static void adjust_git_path(struct strbuf *buf, int git_dir_len) { const char *base = buf->buf + git_dir_len; if (git_graft_env && is_dir_file(base, "info", "grafts")) strbuf_splice(buf, 0, buf->len, get_graft_file(), strlen(get_graft_file())); else if (git_index_env && !strcmp(base, "index")) strbuf_splice(buf, 0, buf->len, get_index_file(), strlen(get_index_file())); else if (git_db_env && dir_prefix(base, "objects")) replace_dir(buf, git_dir_len + 7, get_object_directory()); else if (git_common_dir_env) update_common_dir(buf, git_dir_len); }
static void run_prepare_commit_msg(void) { write_merge_msg(); run_hook(get_index_file(), "prepare-commit-msg", git_path("MERGE_MSG"), "merge", NULL, NULL); read_merge_msg(); }
static int try_merge_strategy(const char *strategy, struct commit_list *common, const char *head_arg) { int index_fd; struct lock_file *lock = xcalloc(1, sizeof(struct lock_file)); index_fd = hold_locked_index(lock, 1); refresh_cache(REFRESH_QUIET); if (active_cache_changed && (write_cache(index_fd, active_cache, active_nr) || commit_locked_index(lock))) return error(_("Unable to write index.")); rollback_lock_file(lock); if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree")) { int clean, x; struct commit *result; struct lock_file *lock = xcalloc(1, sizeof(struct lock_file)); int index_fd; struct commit_list *reversed = NULL; struct merge_options o; struct commit_list *j; if (remoteheads->next) { error(_("Not handling anything other than two heads merge.")); return 2; } init_merge_options(&o); if (!strcmp(strategy, "subtree")) o.subtree_shift = ""; o.renormalize = option_renormalize; o.show_rename_progress = show_progress == -1 ? isatty(2) : show_progress; for (x = 0; x < xopts_nr; x++) if (parse_merge_opt(&o, xopts[x])) die(_("Unknown option for merge-recursive: -X%s"), xopts[x]); o.branch1 = head_arg; o.branch2 = remoteheads->item->util; for (j = common; j; j = j->next) commit_list_insert(j->item, &reversed); index_fd = hold_locked_index(lock, 1); clean = merge_recursive(&o, lookup_commit(head), remoteheads->item, reversed, &result); if (active_cache_changed && (write_cache(index_fd, active_cache, active_nr) || commit_locked_index(lock))) die (_("unable to write %s"), get_index_file()); rollback_lock_file(lock); return clean ? 0 : 1; } else { return try_merge_command(strategy, xopts_nr, xopts, common, head_arg, remoteheads); } }
static int run_hook(const char *name) { struct child_process hook; const char *argv[3], *env[2]; char index[PATH_MAX]; argv[0] = git_path("hooks/%s", name); if (access(argv[0], X_OK) < 0) return 0; snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", get_index_file()); env[0] = index; env[1] = NULL; if (squash) argv[1] = "1"; else argv[1] = "0"; argv[2] = NULL; memset(&hook, 0, sizeof(hook)); hook.argv = argv; hook.no_stdin = 1; hook.stdout_to_stderr = 1; hook.env = env; return run_command(&hook); }
int hold_locked_index(struct lock_file *lk, int die_on_error) { return hold_lock_file_for_update(lk, get_index_file(), die_on_error ? LOCK_DIE_ON_ERROR : 0); }
int main(int argc, char **argv) { int i, newfd, merge; unsigned char sha1[20]; static char lockfile[MAXPATHLEN+1]; const char *indexfile = get_index_file(); snprintf(lockfile, sizeof(lockfile), "%s.lock", indexfile); newfd = open(lockfile, O_RDWR | O_CREAT | O_EXCL, 0600); if (newfd < 0) die("unable to create new cachefile"); atexit(remove_lock_file); lockfile_name = lockfile; merge = 0; for (i = 1; i < argc; i++) { const char *arg = argv[i]; /* "-m" stands for "merge", meaning we start in stage 1 */ if (!strcmp(arg, "-m")) { int i; if (stage) die("-m needs to come first"); read_cache(); for (i = 0; i < active_nr; i++) { if (ce_stage(active_cache[i])) die("you need to resolve your current index first"); } stage = 1; merge = 1; continue; } if (get_sha1_hex(arg, sha1) < 0) usage(read_tree_usage); if (stage > 3) usage(read_tree_usage); if (unpack_tree(sha1) < 0) die("failed to unpack tree object %s", arg); stage++; } if (merge) { switch (stage) { case 4: /* Three-way merge */ trivially_merge_cache(active_cache, active_nr); break; case 2: /* Just read a tree, merge with old cache contents */ merge_stat_info(active_cache, active_nr); break; default: die("just how do you expect me to merge %d trees?", stage-1); } } if (write_cache(newfd, active_cache, active_nr) || rename(lockfile, indexfile)) die("unable to write new index file"); lockfile_name = NULL; return 0; }
int read_cache(void) { int fd, i; struct stat st; unsigned long size, offset; void *map; struct cache_header *hdr; errno = EBUSY; if (active_cache) return error("more than one cachefile"); errno = ENOENT; sha1_file_directory = getenv(DB_ENVIRONMENT); if (!sha1_file_directory) sha1_file_directory = DEFAULT_DB_ENVIRONMENT; if (access(sha1_file_directory, X_OK) < 0) return error("no access to SHA1 file directory"); fd = open(get_index_file(), O_RDONLY); if (fd < 0) return (errno == ENOENT) ? 0 : error("open failed"); size = 0; // avoid gcc warning map = (void *)-1; if (!fstat(fd, &st)) { size = st.st_size; errno = EINVAL; if (size >= sizeof(struct cache_header) + 20) map = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); } close(fd); if (-1 == (int)(long)map) return error("mmap failed"); hdr = map; if (verify_hdr(hdr, size) < 0) goto unmap; active_nr = ntohl(hdr->hdr_entries); active_alloc = alloc_nr(active_nr); active_cache = calloc(active_alloc, sizeof(struct cache_entry *)); offset = sizeof(*hdr); for (i = 0; i < active_nr; i++) { struct cache_entry *ce = map + offset; offset = offset + ce_size(ce); active_cache[i] = ce; } return active_nr; unmap: munmap(map, size); errno = EINVAL; return error("verify header failed"); }
void wt_status_prepare(struct wt_status *s) { unsigned char sha1[20]; const char *head; memset(s, 0, sizeof(*s)); head = resolve_ref("HEAD", sha1, 0, NULL); s->branch = head ? xstrdup(head) : NULL; s->reference = "HEAD"; s->fp = stdout; s->index_file = get_index_file(); }
void wt_status_prepare(struct wt_status *s) { unsigned char sha1[20]; memset(s, 0, sizeof(*s)); memcpy(s->color_palette, default_wt_status_colors, sizeof(default_wt_status_colors)); s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; s->use_color = -1; s->relative_paths = 1; s->branch = resolve_refdup("HEAD", sha1, 0, NULL); s->reference = "HEAD"; s->fp = stdout; s->index_file = get_index_file(); s->change.strdup_strings = 1; s->untracked.strdup_strings = 1; s->ignored.strdup_strings = 1; }
inline uint32_t LightTable::insert_with_pk(AttrTuple & tuple) { // lookup index int pk_index = mTablefile.mTableHeader.primaryKeyIndex; const char *pk_attr_name = mTablefile.get_pk_attr_name(); PrimaryIndexFile *idx_file = static_cast<PrimaryIndexFile*>(get_index_file(pk_attr_name)); assert(idx_file != NULL); if (idx_file->isExist(tuple[pk_index])) throw exception_t(INSERT_DUPLICATE_TUPLE, "Duplicated tuple"); uint32_t addr = mDatafile.put(tuple); idx_file->set(tuple[pk_index], addr); return addr; }
static void prepare_to_commit(void) { struct strbuf msg = STRBUF_INIT; strbuf_addbuf(&msg, &merge_msg); strbuf_addch(&msg, '\n'); write_merge_msg(&msg); run_hook(get_index_file(), "prepare-commit-msg", git_path("MERGE_MSG"), "merge", NULL, NULL); if (option_edit) { if (launch_editor(git_path("MERGE_MSG"), NULL, NULL)) abort_commit(NULL); } read_merge_msg(&msg); stripspace(&msg, option_edit); if (!msg.len) abort_commit(_("Empty commit message.")); strbuf_release(&merge_msg); strbuf_addbuf(&merge_msg, &msg); strbuf_release(&msg); }
/*========================================= * check_index -- Validate one index node of btree * Created: 2003/09/05, Perry Rapp *=======================================*/ static BOOLEAN check_index (BTREE btr, INDEX index, TABLE fkeytab, RKEY * lo, RKEY * hi) { INT n = nkeys(index); INT i; if (!check_keys((BLOCK)index, lo, hi)) return FALSE; for (i = 0; i <= n; i++) { INDEX newix=0; char scratch[200]; FKEY fkey = fkeys(index, i); RKEY *lox, *hix; get_index_file(scratch, btr, fkey); if (in_table(fkeytab, scratch)) { printf(_("Cycle in indexes, file %s found again!\n"), scratch); return FALSE; } else { insert_table_int(fkeytab, scratch, 1); } newix = readindex(btr, fkey, TRUE); if (!newix) { printf(_("Error loading index at key")); printf("%ld\n", i); printblock((BLOCK)index); } /* figure upper & lower bounds of what keys should be in the child */ lox = (i==0 ? lo : &rkeys(index, i)); hix = (i==n ? hi : &rkeys(index, i+1)); if (ixtype(newix) == BTINDEXTYPE) { if (!check_index(btr, newix, fkeytab, lox, hix)) return FALSE; } else { if (!check_block((BLOCK)newix, lox, hix)) return FALSE; } } /* TODO: use fkeytab */ return TRUE; }
static void prepare_to_commit(struct commit_list *remoteheads) { struct strbuf msg = STRBUF_INIT; strbuf_addbuf(&msg, &merge_msg); strbuf_addch(&msg, '\n'); if (0 < option_edit) strbuf_commented_addf(&msg, _(merge_editor_comment), comment_line_char); write_file_buf(git_path_merge_msg(), msg.buf, msg.len); if (run_commit_hook(0 < option_edit, get_index_file(), "prepare-commit-msg", git_path_merge_msg(), "merge", NULL)) abort_commit(remoteheads, NULL); if (0 < option_edit) { if (launch_editor(git_path_merge_msg(), NULL, NULL)) abort_commit(remoteheads, NULL); } read_merge_msg(&msg); strbuf_stripspace(&msg, 0 < option_edit); if (!msg.len) abort_commit(remoteheads, _("Empty commit message.")); strbuf_release(&merge_msg); strbuf_addbuf(&merge_msg, &msg); strbuf_release(&msg); }
static void prepare_to_commit(struct commit_list *remoteheads) { struct strbuf msg = STRBUF_INIT; const char *comment = _(merge_editor_comment); strbuf_addbuf(&msg, &merge_msg); strbuf_addch(&msg, '\n'); if (0 < option_edit) strbuf_add_lines(&msg, "# ", comment, strlen(comment)); write_merge_msg(&msg); if (run_hook(get_index_file(), "prepare-commit-msg", git_path("MERGE_MSG"), "merge", NULL, NULL)) abort_commit(remoteheads, NULL); if (0 < option_edit) { if (launch_editor(git_path("MERGE_MSG"), NULL, NULL)) abort_commit(remoteheads, NULL); } read_merge_msg(&msg); stripspace(&msg, 0 < option_edit); if (!msg.len) abort_commit(remoteheads, _("Empty commit message.")); strbuf_release(&merge_msg); strbuf_addbuf(&merge_msg, &msg); strbuf_release(&msg); }
int cmd_commit(int argc, const char **argv, const char *prefix) { struct strbuf sb = STRBUF_INIT; const char *index_file, *reflog_msg; char *nl, *p; unsigned char commit_sha1[20]; struct ref_lock *ref_lock; struct commit_list *parents = NULL, **pptr = &parents; struct stat statbuf; int allow_fast_forward = 1; struct wt_status s; wt_status_prepare(&s); git_config(git_commit_config, &s); in_merge = file_exists(git_path("MERGE_HEAD")); s.in_merge = in_merge; if (s.use_color == -1) s.use_color = git_use_color_default; argc = parse_and_validate_options(argc, argv, builtin_commit_usage, prefix, &s); if (dry_run) { if (diff_use_color_default == -1) diff_use_color_default = git_use_color_default; return dry_run_commit(argc, argv, prefix, &s); } index_file = prepare_index(argc, argv, prefix, 0); /* Set up everything for writing the commit object. This includes running hooks, writing the trees, and interacting with the user. */ if (!prepare_to_commit(index_file, prefix, &s)) { rollback_index_files(); return 1; } /* Determine parents */ reflog_msg = getenv("GIT_REFLOG_ACTION"); if (initial_commit) { if (!reflog_msg) reflog_msg = "commit (initial)"; } else if (amend) { struct commit_list *c; struct commit *commit; if (!reflog_msg) reflog_msg = "commit (amend)"; commit = lookup_commit(head_sha1); if (!commit || parse_commit(commit)) die("could not parse HEAD commit"); for (c = commit->parents; c; c = c->next) pptr = &commit_list_insert(c->item, pptr)->next; } else if (in_merge) { struct strbuf m = STRBUF_INIT; FILE *fp; if (!reflog_msg) reflog_msg = "commit (merge)"; pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next; fp = fopen(git_path("MERGE_HEAD"), "r"); if (fp == NULL) die_errno("could not open '%s' for reading", git_path("MERGE_HEAD")); while (strbuf_getline(&m, fp, '\n') != EOF) { unsigned char sha1[20]; if (get_sha1_hex(m.buf, sha1) < 0) die("Corrupt MERGE_HEAD file (%s)", m.buf); pptr = &commit_list_insert(lookup_commit(sha1), pptr)->next; } fclose(fp); strbuf_release(&m); if (!stat(git_path("MERGE_MODE"), &statbuf)) { if (strbuf_read_file(&sb, git_path("MERGE_MODE"), 0) < 0) die_errno("could not read MERGE_MODE"); if (!strcmp(sb.buf, "no-ff")) allow_fast_forward = 0; } if (allow_fast_forward) parents = reduce_heads(parents); } else { if (!reflog_msg) reflog_msg = "commit"; pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next; } /* Finally, get the commit message */ strbuf_reset(&sb); if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) { int saved_errno = errno; rollback_index_files(); die("could not read commit message: %s", strerror(saved_errno)); } /* Truncate the message just before the diff, if any. */ if (verbose) { p = strstr(sb.buf, "\ndiff --git "); if (p != NULL) strbuf_setlen(&sb, p - sb.buf + 1); } if (cleanup_mode != CLEANUP_NONE) stripspace(&sb, cleanup_mode == CLEANUP_ALL); if (message_is_empty(&sb) && !allow_empty_message) { rollback_index_files(); fprintf(stderr, "Aborting commit due to empty commit message.\n"); exit(1); } if (commit_tree(sb.buf, active_cache_tree->sha1, parents, commit_sha1, fmt_ident(author_name, author_email, author_date, IDENT_ERROR_ON_NO_NAME))) { rollback_index_files(); die("failed to write commit object"); } ref_lock = lock_any_ref_for_update("HEAD", initial_commit ? NULL : head_sha1, 0); nl = strchr(sb.buf, '\n'); if (nl) strbuf_setlen(&sb, nl + 1 - sb.buf); else strbuf_addch(&sb, '\n'); strbuf_insert(&sb, 0, reflog_msg, strlen(reflog_msg)); strbuf_insert(&sb, strlen(reflog_msg), ": ", 2); if (!ref_lock) { rollback_index_files(); die("cannot lock HEAD ref"); } if (write_ref_sha1(ref_lock, commit_sha1, sb.buf) < 0) { rollback_index_files(); die("cannot update HEAD ref"); } unlink(git_path("MERGE_HEAD")); unlink(git_path("MERGE_MSG")); unlink(git_path("MERGE_MODE")); unlink(git_path("SQUASH_MSG")); if (commit_index_files()) die ("Repository has been updated, but unable to write\n" "new_index file. Check that disk is not full or quota is\n" "not exceeded, and then \"git reset HEAD\" to recover."); rerere(0); run_hook(get_index_file(), "post-commit", NULL); if (amend && !no_post_rewrite) { struct notes_rewrite_cfg *cfg; cfg = init_copy_notes_for_rewrite("amend"); if (cfg) { copy_note_for_rewrite(cfg, head_sha1, commit_sha1); finish_copy_notes_for_rewrite(cfg); } run_rewrite_hook(head_sha1, commit_sha1); } if (!quiet) print_summary(prefix, commit_sha1); return 0; }
static char *prepare_index(int argc, const char **argv, const char *prefix) { int fd; struct path_list partial; const char **pathspec = NULL; if (interactive) { interactive_add(argc, argv, prefix); commit_style = COMMIT_AS_IS; return get_index_file(); } if (read_cache() < 0) die("index file corrupt"); if (*argv) pathspec = get_pathspec(prefix, argv); /* * Non partial, non as-is commit. * * (1) get the real index; * (2) update the_index as necessary; * (3) write the_index out to the real index (still locked); * (4) return the name of the locked index file. * * The caller should run hooks on the locked real index, and * (A) if all goes well, commit the real index; * (B) on failure, rollback the real index. */ if (all || (also && pathspec && *pathspec)) { int fd = hold_locked_index(&index_lock, 1); add_files_to_cache(0, also ? prefix : NULL, pathspec); refresh_cache(REFRESH_QUIET); if (write_cache(fd, active_cache, active_nr) || close_lock_file(&index_lock)) die("unable to write new_index file"); commit_style = COMMIT_NORMAL; return index_lock.filename; } /* * As-is commit. * * (1) return the name of the real index file. * * The caller should run hooks on the real index, and run * hooks on the real index, and create commit from the_index. * We still need to refresh the index here. */ if (!pathspec || !*pathspec) { fd = hold_locked_index(&index_lock, 1); refresh_cache(REFRESH_QUIET); if (write_cache(fd, active_cache, active_nr) || commit_locked_index(&index_lock)) die("unable to write new_index file"); commit_style = COMMIT_AS_IS; return get_index_file(); } /* * A partial commit. * * (0) find the set of affected paths; * (1) get lock on the real index file; * (2) update the_index with the given paths; * (3) write the_index out to the real index (still locked); * (4) get lock on the false index file; * (5) reset the_index from HEAD; * (6) update the_index the same way as (2); * (7) write the_index out to the false index file; * (8) return the name of the false index file (still locked); * * The caller should run hooks on the locked false index, and * create commit from it. Then * (A) if all goes well, commit the real index; * (B) on failure, rollback the real index; * In either case, rollback the false index. */ commit_style = COMMIT_PARTIAL; if (file_exists(git_path("MERGE_HEAD"))) die("cannot do a partial commit during a merge."); memset(&partial, 0, sizeof(partial)); partial.strdup_paths = 1; if (list_paths(&partial, initial_commit ? NULL : "HEAD", prefix, pathspec)) exit(1); discard_cache(); if (read_cache() < 0) die("cannot read the index"); fd = hold_locked_index(&index_lock, 1); add_remove_files(&partial); refresh_cache(REFRESH_QUIET); if (write_cache(fd, active_cache, active_nr) || close_lock_file(&index_lock)) die("unable to write new_index file"); fd = hold_lock_file_for_update(&false_lock, git_path("next-index-%d", getpid()), 1); create_base_index(); add_remove_files(&partial); refresh_cache(REFRESH_QUIET); if (write_cache(fd, active_cache, active_nr) || close_lock_file(&false_lock)) die("unable to write temporary index file"); discard_cache(); read_cache_from(false_lock.filename); return false_lock.filename; }
int cmd_commit(int argc, const char **argv, const char *prefix) { int header_len; struct strbuf sb; const char *index_file, *reflog_msg; char *nl, *p; unsigned char commit_sha1[20]; struct ref_lock *ref_lock; git_config(git_commit_config); argc = parse_and_validate_options(argc, argv, builtin_commit_usage); index_file = prepare_index(argc, argv, prefix); /* Set up everything for writing the commit object. This includes running hooks, writing the trees, and interacting with the user. */ if (!prepare_to_commit(index_file, prefix)) { rollback_index_files(); return 1; } /* * The commit object */ strbuf_init(&sb, 0); strbuf_addf(&sb, "tree %s\n", sha1_to_hex(active_cache_tree->sha1)); /* Determine parents */ if (initial_commit) { reflog_msg = "commit (initial)"; } else if (amend) { struct commit_list *c; struct commit *commit; reflog_msg = "commit (amend)"; commit = lookup_commit(head_sha1); if (!commit || parse_commit(commit)) die("could not parse HEAD commit"); for (c = commit->parents; c; c = c->next) add_parent(&sb, c->item->object.sha1); } else if (in_merge) { struct strbuf m; FILE *fp; reflog_msg = "commit (merge)"; add_parent(&sb, head_sha1); strbuf_init(&m, 0); fp = fopen(git_path("MERGE_HEAD"), "r"); if (fp == NULL) die("could not open %s for reading: %s", git_path("MERGE_HEAD"), strerror(errno)); while (strbuf_getline(&m, fp, '\n') != EOF) { unsigned char sha1[20]; if (get_sha1_hex(m.buf, sha1) < 0) die("Corrupt MERGE_HEAD file (%s)", m.buf); add_parent(&sb, sha1); } fclose(fp); strbuf_release(&m); } else { reflog_msg = "commit"; strbuf_addf(&sb, "parent %s\n", sha1_to_hex(head_sha1)); } strbuf_addf(&sb, "author %s\n", fmt_ident(author_name, author_email, author_date, IDENT_ERROR_ON_NO_NAME)); strbuf_addf(&sb, "committer %s\n", git_committer_info(IDENT_ERROR_ON_NO_NAME)); if (!is_encoding_utf8(git_commit_encoding)) strbuf_addf(&sb, "encoding %s\n", git_commit_encoding); strbuf_addch(&sb, '\n'); /* Finally, get the commit message */ header_len = sb.len; if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) { rollback_index_files(); die("could not read commit message"); } /* Truncate the message just before the diff, if any. */ p = strstr(sb.buf, "\ndiff --git a/"); if (p != NULL) strbuf_setlen(&sb, p - sb.buf + 1); if (cleanup_mode != CLEANUP_NONE) stripspace(&sb, cleanup_mode == CLEANUP_ALL); if (sb.len < header_len || message_is_empty(&sb, header_len)) { rollback_index_files(); die("no commit message? aborting commit."); } strbuf_addch(&sb, '\0'); if (is_encoding_utf8(git_commit_encoding) && !is_utf8(sb.buf)) fprintf(stderr, commit_utf8_warn); if (write_sha1_file(sb.buf, sb.len - 1, commit_type, commit_sha1)) { rollback_index_files(); die("failed to write commit object"); } ref_lock = lock_any_ref_for_update("HEAD", initial_commit ? NULL : head_sha1, 0); nl = strchr(sb.buf + header_len, '\n'); if (nl) strbuf_setlen(&sb, nl + 1 - sb.buf); else strbuf_addch(&sb, '\n'); strbuf_remove(&sb, 0, header_len); strbuf_insert(&sb, 0, reflog_msg, strlen(reflog_msg)); strbuf_insert(&sb, strlen(reflog_msg), ": ", 2); if (!ref_lock) { rollback_index_files(); die("cannot lock HEAD ref"); } if (write_ref_sha1(ref_lock, commit_sha1, sb.buf) < 0) { rollback_index_files(); die("cannot update HEAD ref"); } unlink(git_path("MERGE_HEAD")); unlink(git_path("MERGE_MSG")); unlink(git_path("SQUASH_MSG")); if (commit_index_files()) die ("Repository has been updated, but unable to write\n" "new_index file. Check that disk is not full or quota is\n" "not exceeded, and then \"git reset HEAD\" to recover."); rerere(); run_hook(get_index_file(), "post-commit", NULL); if (!quiet) print_summary(prefix, commit_sha1); return 0; }
int cmd_update_index(int argc, const char **argv, const char *prefix) { int newfd, entries, has_errors = 0, line_termination = '\n'; int read_from_stdin = 0; int prefix_length = prefix ? strlen(prefix) : 0; int preferred_index_format = 0; char set_executable_bit = 0; struct refresh_params refresh_args = {0, &has_errors}; int lock_error = 0; int split_index = -1; struct lock_file *lock_file; struct parse_opt_ctx_t ctx; int parseopt_state = PARSE_OPT_UNKNOWN; struct option options[] = { OPT_BIT('q', NULL, &refresh_args.flags, N_("continue refresh even when index needs update"), REFRESH_QUIET), OPT_BIT(0, "ignore-submodules", &refresh_args.flags, N_("refresh: ignore submodules"), REFRESH_IGNORE_SUBMODULES), OPT_SET_INT(0, "add", &allow_add, N_("do not ignore new files"), 1), OPT_SET_INT(0, "replace", &allow_replace, N_("let files replace directories and vice-versa"), 1), OPT_SET_INT(0, "remove", &allow_remove, N_("notice files missing from worktree"), 1), OPT_BIT(0, "unmerged", &refresh_args.flags, N_("refresh even if index contains unmerged entries"), REFRESH_UNMERGED), {OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL, N_("refresh stat information"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, refresh_callback}, {OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL, N_("like --refresh, but ignore assume-unchanged setting"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, really_refresh_callback}, {OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL, N_("<mode>,<object>,<path>"), N_("add the specified entry to the index"), PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */ PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP, (parse_opt_cb *) cacheinfo_callback}, {OPTION_CALLBACK, 0, "chmod", &set_executable_bit, N_("(+/-)x"), N_("override the executable bit of the listed files"), PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP, chmod_callback}, {OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL, N_("mark files as \"not changing\""), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, {OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL, N_("clear assumed-unchanged bit"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, {OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL, N_("mark files as \"index-only\""), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, {OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL, N_("clear skip-worktree bit"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, OPT_SET_INT(0, "info-only", &info_only, N_("add to index only; do not add content to object database"), 1), OPT_SET_INT(0, "force-remove", &force_remove, N_("remove named paths even if present in worktree"), 1), OPT_SET_INT('z', NULL, &line_termination, N_("with --stdin: input lines are terminated by null bytes"), '\0'), {OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL, N_("read list of paths to be updated from standard input"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) stdin_callback}, {OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &line_termination, NULL, N_("add entries from standard input to the index"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) stdin_cacheinfo_callback}, {OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL, N_("repopulate stages #2 and #3 for the listed paths"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) unresolve_callback}, {OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL, N_("only update entries that differ from HEAD"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) reupdate_callback}, OPT_BIT(0, "ignore-missing", &refresh_args.flags, N_("ignore files missing from worktree"), REFRESH_IGNORE_MISSING), OPT_SET_INT(0, "verbose", &verbose, N_("report actions to standard output"), 1), {OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL, N_("(for porcelains) forget saved unresolved conflicts"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, resolve_undo_clear_callback}, OPT_INTEGER(0, "index-version", &preferred_index_format, N_("write index in this format")), OPT_BOOL(0, "split-index", &split_index, N_("enable or disable split index")), OPT_END() }; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(update_index_usage, options); git_config(git_default_config, NULL); /* We can't free this memory, it becomes part of a linked list parsed atexit() */ lock_file = xcalloc(1, sizeof(struct lock_file)); newfd = hold_locked_index(lock_file, 0); if (newfd < 0) lock_error = errno; entries = read_cache(); if (entries < 0) die("cache corrupted"); /* * Custom copy of parse_options() because we want to handle * filename arguments as they come. */ parse_options_start(&ctx, argc, argv, prefix, options, PARSE_OPT_STOP_AT_NON_OPTION); while (ctx.argc) { if (parseopt_state != PARSE_OPT_DONE) parseopt_state = parse_options_step(&ctx, options, update_index_usage); if (!ctx.argc) break; switch (parseopt_state) { case PARSE_OPT_HELP: exit(129); case PARSE_OPT_NON_OPTION: case PARSE_OPT_DONE: { const char *path = ctx.argv[0]; const char *p; setup_work_tree(); p = prefix_path(prefix, prefix_length, path); update_one(p); if (set_executable_bit) chmod_path(set_executable_bit, p); free((char *)p); ctx.argc--; ctx.argv++; break; } case PARSE_OPT_UNKNOWN: if (ctx.argv[0][1] == '-') error("unknown option '%s'", ctx.argv[0] + 2); else error("unknown switch '%c'", *ctx.opt); usage_with_options(update_index_usage, options); } } argc = parse_options_end(&ctx); if (preferred_index_format) { if (preferred_index_format < INDEX_FORMAT_LB || INDEX_FORMAT_UB < preferred_index_format) die("index-version %d not in range: %d..%d", preferred_index_format, INDEX_FORMAT_LB, INDEX_FORMAT_UB); if (the_index.version != preferred_index_format) active_cache_changed |= SOMETHING_CHANGED; the_index.version = preferred_index_format; } if (read_from_stdin) { struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT; setup_work_tree(); while (strbuf_getline(&buf, stdin, line_termination) != EOF) { const char *p; if (line_termination && buf.buf[0] == '"') { strbuf_reset(&nbuf); if (unquote_c_style(&nbuf, buf.buf, NULL)) die("line is badly quoted"); strbuf_swap(&buf, &nbuf); } p = prefix_path(prefix, prefix_length, buf.buf); update_one(p); if (set_executable_bit) chmod_path(set_executable_bit, p); free((char *)p); } strbuf_release(&nbuf); strbuf_release(&buf); } if (split_index > 0) { init_split_index(&the_index); the_index.cache_changed |= SPLIT_INDEX_ORDERED; } else if (!split_index && the_index.split_index) { /* * can't discard_split_index(&the_index); because that * will destroy split_index->base->cache[], which may * be shared with the_index.cache[]. So yeah we're * leaking a bit here. */ the_index.split_index = NULL; the_index.cache_changed |= SOMETHING_CHANGED; } if (active_cache_changed) { if (newfd < 0) { if (refresh_args.flags & REFRESH_QUIET) exit(128); unable_to_lock_die(get_index_file(), lock_error); } if (write_locked_index(&the_index, lock_file, COMMIT_LOCK)) die("Unable to write new index file"); } rollback_lock_file(lock_file); return has_errors ? 1 : 0; }
int hold_locked_index(struct lock_file *lk, int die_on_error) { return hold_lock_file_for_update(lk, get_index_file(), die_on_error); }
int cmd_update_index(int argc, const char **argv, const char *prefix) { int i, newfd, entries, has_errors = 0, line_termination = '\n'; int allow_options = 1; int read_from_stdin = 0; int prefix_length = prefix ? strlen(prefix) : 0; char set_executable_bit = 0; unsigned int refresh_flags = 0; int lock_error = 0; struct lock_file *lock_file; git_config(git_default_config, NULL); /* We can't free this memory, it becomes part of a linked list parsed atexit() */ lock_file = xcalloc(1, sizeof(struct lock_file)); newfd = hold_locked_index(lock_file, 0); if (newfd < 0) lock_error = errno; entries = read_cache(); if (entries < 0) die("cache corrupted"); for (i = 1 ; i < argc; i++) { const char *path = argv[i]; const char *p; if (allow_options && *path == '-') { if (!strcmp(path, "--")) { allow_options = 0; continue; } if (!strcmp(path, "-q")) { refresh_flags |= REFRESH_QUIET; continue; } if (!strcmp(path, "--ignore-submodules")) { refresh_flags |= REFRESH_IGNORE_SUBMODULES; continue; } if (!strcmp(path, "--add")) { allow_add = 1; continue; } if (!strcmp(path, "--replace")) { allow_replace = 1; continue; } if (!strcmp(path, "--remove")) { allow_remove = 1; continue; } if (!strcmp(path, "--unmerged")) { refresh_flags |= REFRESH_UNMERGED; continue; } if (!strcmp(path, "--refresh")) { setup_work_tree(); has_errors |= refresh_cache(refresh_flags); continue; } if (!strcmp(path, "--really-refresh")) { setup_work_tree(); has_errors |= refresh_cache(REFRESH_REALLY | refresh_flags); continue; } if (!strcmp(path, "--cacheinfo")) { unsigned char sha1[20]; unsigned int mode; if (i+3 >= argc) die("git update-index: --cacheinfo <mode> <sha1> <path>"); if (strtoul_ui(argv[i+1], 8, &mode) || get_sha1_hex(argv[i+2], sha1) || add_cacheinfo(mode, sha1, argv[i+3], 0)) die("git update-index: --cacheinfo" " cannot add %s", argv[i+3]); i += 3; continue; } if (!strcmp(path, "--chmod=-x") || !strcmp(path, "--chmod=+x")) { if (argc <= i+1) die("git update-index: %s <path>", path); set_executable_bit = path[8]; continue; } if (!strcmp(path, "--assume-unchanged")) { mark_valid_only = MARK_VALID; continue; } if (!strcmp(path, "--no-assume-unchanged")) { mark_valid_only = UNMARK_VALID; continue; } if (!strcmp(path, "--info-only")) { info_only = 1; continue; } if (!strcmp(path, "--force-remove")) { force_remove = 1; continue; } if (!strcmp(path, "-z")) { line_termination = 0; continue; } if (!strcmp(path, "--stdin")) { if (i != argc - 1) die("--stdin must be at the end"); read_from_stdin = 1; break; } if (!strcmp(path, "--index-info")) { if (i != argc - 1) die("--index-info must be at the end"); allow_add = allow_replace = allow_remove = 1; read_index_info(line_termination); break; } if (!strcmp(path, "--unresolve")) { has_errors = do_unresolve(argc - i, argv + i, prefix, prefix_length); if (has_errors) active_cache_changed = 0; goto finish; } if (!strcmp(path, "--again") || !strcmp(path, "-g")) { setup_work_tree(); has_errors = do_reupdate(argc - i, argv + i, prefix, prefix_length); if (has_errors) active_cache_changed = 0; goto finish; } if (!strcmp(path, "--ignore-missing")) { refresh_flags |= REFRESH_IGNORE_MISSING; continue; } if (!strcmp(path, "--verbose")) { verbose = 1; continue; } if (!strcmp(path, "-h") || !strcmp(path, "--help")) usage(update_index_usage); die("unknown option %s", path); } setup_work_tree(); p = prefix_path(prefix, prefix_length, path); update_one(p, NULL, 0); if (set_executable_bit) chmod_path(set_executable_bit, p); if (p < path || p > path + strlen(path)) free((char*)p); } if (read_from_stdin) { struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT; setup_work_tree(); while (strbuf_getline(&buf, stdin, line_termination) != EOF) { const char *p; if (line_termination && buf.buf[0] == '"') { strbuf_reset(&nbuf); if (unquote_c_style(&nbuf, buf.buf, NULL)) die("line is badly quoted"); strbuf_swap(&buf, &nbuf); } p = prefix_path(prefix, prefix_length, buf.buf); update_one(p, NULL, 0); if (set_executable_bit) chmod_path(set_executable_bit, p); if (p < buf.buf || p > buf.buf + buf.len) free((char *)p); } strbuf_release(&nbuf); strbuf_release(&buf); } finish: if (active_cache_changed) { if (newfd < 0) { if (refresh_flags & REFRESH_QUIET) exit(128); unable_to_lock_index_die(get_index_file(), lock_error); } if (write_cache(newfd, active_cache, active_nr) || commit_locked_index(lock_file)) die("Unable to write new index file"); } rollback_lock_file(lock_file); return has_errors ? 1 : 0; }
int cmd_merge_recursive(int argc, const char **argv, const char *prefix) { static const char *bases[20]; static unsigned bases_count = 0; int i, clean; const char *branch1, *branch2; struct commit *result, *h1, *h2; struct commit_list *ca = NULL; struct lock_file *lock = xcalloc(1, sizeof(struct lock_file)); int index_fd; if (argv[0]) { int namelen = strlen(argv[0]); if (8 < namelen && !strcmp(argv[0] + namelen - 8, "-subtree")) subtree_merge = 1; } git_config(merge_config, NULL); if (getenv("GIT_MERGE_VERBOSITY")) verbosity = strtol(getenv("GIT_MERGE_VERBOSITY"), NULL, 10); if (argc < 4) die("Usage: %s <base>... -- <head> <remote> ...\n", argv[0]); for (i = 1; i < argc; ++i) { if (!strcmp(argv[i], "--")) break; if (bases_count < sizeof(bases)/sizeof(*bases)) bases[bases_count++] = argv[i]; } if (argc - i != 3) /* "--" "<head>" "<remote>" */ die("Not handling anything other than two heads merge."); if (verbosity >= 5) buffer_output = 0; branch1 = argv[++i]; branch2 = argv[++i]; h1 = get_ref(branch1); h2 = get_ref(branch2); branch1 = better_branch_name(branch1); branch2 = better_branch_name(branch2); if (show(3)) printf("Merging %s with %s\n", branch1, branch2); index_fd = hold_locked_index(lock, 1); for (i = 0; i < bases_count; i++) { struct commit *ancestor = get_ref(bases[i]); ca = commit_list_insert(ancestor, &ca); } clean = merge_recursive(h1, h2, branch1, branch2, ca, &result); if (active_cache_changed && (write_cache(index_fd, active_cache, active_nr) || commit_locked_index(lock))) die ("unable to write %s", get_index_file()); return clean ? 0: 1; }
int cmd_stash(int argc, const char **argv, const char *prefix) { int i = -1; pid_t pid = getpid(); const char *index_file; struct argv_array args = ARGV_ARRAY_INIT; struct option options[] = { OPT_END() }; if (!use_builtin_stash()) { const char *path = mkpath("%s/git-legacy-stash", git_exec_path()); if (sane_execvp(path, (char **)argv) < 0) die_errno(_("could not exec %s"), path); else BUG("sane_execvp() returned???"); } prefix = setup_git_directory(); trace_repo_setup(prefix); setup_work_tree(); git_config(git_diff_basic_config, NULL); argc = parse_options(argc, argv, prefix, options, git_stash_usage, PARSE_OPT_KEEP_UNKNOWN | PARSE_OPT_KEEP_DASHDASH); index_file = get_index_file(); strbuf_addf(&stash_index_path, "%s.stash.%" PRIuMAX, index_file, (uintmax_t)pid); if (!argc) return !!push_stash(0, NULL, prefix); else if (!strcmp(argv[0], "apply")) return !!apply_stash(argc, argv, prefix); else if (!strcmp(argv[0], "clear")) return !!clear_stash(argc, argv, prefix); else if (!strcmp(argv[0], "drop")) return !!drop_stash(argc, argv, prefix); else if (!strcmp(argv[0], "pop")) return !!pop_stash(argc, argv, prefix); else if (!strcmp(argv[0], "branch")) return !!branch_stash(argc, argv, prefix); else if (!strcmp(argv[0], "list")) return !!list_stash(argc, argv, prefix); else if (!strcmp(argv[0], "show")) return !!show_stash(argc, argv, prefix); else if (!strcmp(argv[0], "store")) return !!store_stash(argc, argv, prefix); else if (!strcmp(argv[0], "create")) return !!create_stash(argc, argv, prefix); else if (!strcmp(argv[0], "push")) return !!push_stash(argc, argv, prefix); else if (!strcmp(argv[0], "save")) return !!save_stash(argc, argv, prefix); else if (*argv[0] != '-') usage_msg_opt(xstrfmt(_("unknown subcommand: %s"), argv[0]), git_stash_usage, options); if (strcmp(argv[0], "-p")) { while (++i < argc && strcmp(argv[i], "--")) { /* * `akpqu` is a string which contains all short options, * except `-m` which is verified separately. */ if ((strlen(argv[i]) == 2) && *argv[i] == '-' && strchr("akpqu", argv[i][1])) continue; if (!strcmp(argv[i], "--all") || !strcmp(argv[i], "--keep-index") || !strcmp(argv[i], "--no-keep-index") || !strcmp(argv[i], "--patch") || !strcmp(argv[i], "--quiet") || !strcmp(argv[i], "--include-untracked")) continue; /* * `-m` and `--message=` are verified separately because * they need to be immediately followed by a string * (i.e.`-m"foobar"` or `--message="foobar"`). */ if (starts_with(argv[i], "-m") || starts_with(argv[i], "--message=")) continue; usage_with_options(git_stash_usage, options); } } argv_array_push(&args, "push"); argv_array_pushv(&args, argv); return !!push_stash(args.argc, args.argv, prefix); }
/* * Skip merging the trees, updating the index and working directory if and * only if we are creating a new branch via "git checkout -b <new_branch>." */ static int skip_merge_working_tree(const struct checkout_opts *opts, const struct branch_info *old_branch_info, const struct branch_info *new_branch_info) { /* * Do the merge if sparse checkout is on and the user has not opted in * to the optimized behavior */ if (core_apply_sparse_checkout && !checkout_optimize_new_branch) return 0; /* * We must do the merge if we are actually moving to a new commit. */ if (!old_branch_info->commit || !new_branch_info->commit || !oideq(&old_branch_info->commit->object.oid, &new_branch_info->commit->object.oid)) return 0; /* * opts->patch_mode cannot be used with switching branches so is * not tested here */ /* * opts->quiet only impacts output so doesn't require a merge */ /* * Honor the explicit request for a three-way merge or to throw away * local changes */ if (opts->merge || opts->force) return 0; /* * --detach is documented as "updating the index and the files in the * working tree" but this optimization skips those steps so fall through * to the regular code path. */ if (opts->force_detach) return 0; /* * opts->writeout_stage cannot be used with switching branches so is * not tested here */ /* * Honor the explicit ignore requests */ if (!opts->overwrite_ignore || opts->ignore_skipworktree || opts->ignore_other_worktrees) return 0; /* * opts->show_progress only impacts output so doesn't require a merge */ /* * opts->overlay_mode cannot be used with switching branches so is * not tested here */ /* * If we aren't creating a new branch any changes or updates will * happen in the existing branch. Since that could only be updating * the index and working directory, we don't want to skip those steps * or we've defeated any purpose in running the command. */ if (!opts->new_branch) return 0; /* * new_branch_force is defined to "create/reset and checkout a branch" * so needs to go through the merge to do the reset */ if (opts->new_branch_force) return 0; /* * A new orphaned branch requrires the index and the working tree to be * adjusted to <start_point> */ if (opts->new_orphan_branch) return 0; /* * Remaining variables are not checkout options but used to track state */ /* * Do the merge if this is the initial checkout. We cannot use * is_cache_unborn() here because the index hasn't been loaded yet * so cache_nr and timestamp.sec are always zero. */ if (!file_exists(get_index_file())) return 0; return 1; }
static int try_merge_strategy(const char *strategy, struct commit_list *common, const char *head_arg) { const char **args; int i = 0, ret; struct commit_list *j; struct strbuf buf = STRBUF_INIT; int index_fd; struct lock_file *lock = xcalloc(1, sizeof(struct lock_file)); index_fd = hold_locked_index(lock, 1); refresh_cache(REFRESH_QUIET); if (active_cache_changed && (write_cache(index_fd, active_cache, active_nr) || commit_locked_index(lock))) return error("Unable to write index."); rollback_lock_file(lock); if (!strcmp(strategy, "recursive") || !strcmp(strategy, "subtree")) { int clean; struct commit *result; struct lock_file *lock = xcalloc(1, sizeof(struct lock_file)); int index_fd; struct commit_list *reversed = NULL; struct merge_options o; if (remoteheads->next) { error("Not handling anything other than two heads merge."); return 2; } init_merge_options(&o); if (!strcmp(strategy, "subtree")) o.subtree_merge = 1; o.branch1 = head_arg; o.branch2 = remoteheads->item->util; for (j = common; j; j = j->next) commit_list_insert(j->item, &reversed); index_fd = hold_locked_index(lock, 1); clean = merge_recursive(&o, lookup_commit(head), remoteheads->item, reversed, &result); if (active_cache_changed && (write_cache(index_fd, active_cache, active_nr) || commit_locked_index(lock))) die ("unable to write %s", get_index_file()); rollback_lock_file(lock); return clean ? 0 : 1; } else { args = xmalloc((4 + commit_list_count(common) + commit_list_count(remoteheads)) * sizeof(char *)); strbuf_addf(&buf, "merge-%s", strategy); args[i++] = buf.buf; for (j = common; j; j = j->next) args[i++] = xstrdup(sha1_to_hex(j->item->object.sha1)); args[i++] = "--"; args[i++] = head_arg; for (j = remoteheads; j; j = j->next) args[i++] = xstrdup(sha1_to_hex(j->item->object.sha1)); args[i] = NULL; ret = run_command_v_opt(args, RUN_GIT_CMD); strbuf_release(&buf); i = 1; for (j = common; j; j = j->next) free((void *)args[i++]); i += 2; for (j = remoteheads; j; j = j->next) free((void *)args[i++]); free(args); discard_cache(); if (read_cache() < 0) die("failed to read the cache"); return ret; } }
void read_request ( struct process* process ) { int sock = process->sock, s; char* buf=process->buf; char read_complete = 0; ssize_t count; while ( 1 ) { count = read ( sock, buf + process->read_pos, BUF_SIZE - process->read_pos ); if ( count == -1 ) { if ( errno != EAGAIN ) { handle_error ( process, "read request" ); return; } else { //errno == EAGAIN表示读取完毕 break; } } else if ( count == 0 ) { // 被客户端关闭连接 cleanup ( process ); return; } else if ( count > 0 ) { process->read_pos += count; } } int header_length = process->read_pos; // determine whether the request is complete if ( header_length > BUF_SIZE - 1 ) { process->response_code = 400; process->status = STATUS_SEND_RESPONSE_HEADER; strcpy ( process->buf, header_400 ); send_response_header ( process ); handle_error ( processes, "bad request" ); return; } buf[header_length]=0; read_complete = ( strstr ( buf, "\n\n" ) != 0 ) || ( strstr ( buf, "\r\n\r\n" ) != 0 ); int error = 0; if ( read_complete ) { //重置读取位置 reset_process ( process ); // get GET info if ( !strncmp ( buf, "GET", 3 ) == 0 ) { process->response_code = 400; process->status = STATUS_SEND_RESPONSE_HEADER; strcpy ( process->buf, header_400 ); send_response_header ( process ); handle_error ( processes, "bad request" ); return; } // get first line int n_loc = ( int ) strchr ( buf, '\n' ); int space_loc = ( int ) strchr ( buf + 4, ' ' ); if ( n_loc <= space_loc ) { process->response_code = 400; process->status = STATUS_SEND_RESPONSE_HEADER; strcpy ( process->buf, header_400 ); send_response_header ( process ); handle_error ( processes, "bad request" ); return; } char path[255]; int len = space_loc - ( int ) buf - 4; if ( len > MAX_URL_LENGTH ) { process->response_code = 400; process->status = STATUS_SEND_RESPONSE_HEADER; strcpy ( process->buf, header_400 ); send_response_header ( process ); handle_error ( processes, "bad request" ); return; } buf[header_length] = 0; strncpy ( path, buf+4, len ); path[len] = 0; struct stat filestat; char fullname[256]; char *prefix = doc_root; strcpy ( fullname, prefix ); strcpy ( fullname + strlen ( prefix ), path ); s = get_index_file ( fullname, &filestat); if ( s == -1 ) { process->response_code = 404; process->status = STATUS_SEND_RESPONSE_HEADER; strcpy ( process->buf, header_404 ); send_response_header ( process ); handle_error ( processes, "not found" ); return; } int fd = open ( fullname, O_RDONLY ); process->fd = fd; if ( fd<0 ) { process->response_code = 404; process->status = STATUS_SEND_RESPONSE_HEADER; strcpy ( process->buf, header_404 ); send_response_header ( process ); handle_error ( processes, "not found" ); return; } else { process->response_code = 200; } char tempstring[256]; //检查有无If-Modified-Since,返回304 char* c = strstr ( buf, HEADER_IF_MODIFIED_SINCE ); if(c!=0){ char* rn = strchr(c, '\r'); if(rn==0){ rn = strchr(c, '\n'); if(rn==0){ process->response_code = 400; process->status = STATUS_SEND_RESPONSE_HEADER; strcpy ( process->buf, header_400 ); send_response_header ( process ); handle_error ( processes, "bad request" ); return; } } int time_len = rn - c - sizeof(HEADER_IF_MODIFIED_SINCE) + 1; strncpy(tempstring, c + sizeof(HEADER_IF_MODIFIED_SINCE) - 1,time_len); tempstring[time_len]=0; { struct tm tm; time_t t; strptime(tempstring, RFC1123_DATE_FMT, &tm); tzset(); t=mktime(&tm); t-=timezone; gmtime_r(&t, &tm); if(t >= filestat.st_mtime){ process->response_code = 304; } } } //开始header process->buf[0] = 0; if(process->response_code == 304){ write_to_header ( header_304_start ); } else { write_to_header ( header_200_start ); } process->total_length = filestat.st_size; { //写入当前时间 struct tm *tm; time_t tmt; tmt = time ( NULL ); tm = gmtime ( &tmt ); strftime ( tempstring, sizeof ( tempstring ), RFC1123_DATE_FMT, tm ); write_to_header ( "Date: " ); write_to_header ( tempstring ); write_to_header ( "\r\n" ); //写入文件修改时间 tm = gmtime ( &filestat.st_mtime ); strftime ( tempstring, sizeof ( tempstring ), RFC1123_DATE_FMT, tm ); write_to_header ( "Last-modified: " ); write_to_header ( tempstring ); write_to_header ( "\r\n" ); if(process->response_code == 200){ //写入content长度 sprintf ( tempstring, "Content-Length: %ld\r\n", filestat.st_size ); write_to_header ( tempstring ); } } //结束header write_to_header ( header_end ); process->status = STATUS_SEND_RESPONSE_HEADER; //修改此sock的监听状态,改为监视写状态 event.data.fd = process->sock; event.events = EPOLLOUT | EPOLLET; s = epoll_ctl ( efd, EPOLL_CTL_MOD, process->sock, &event ); if ( s == -1 ) { perror ( "epoll_ctl" ); abort (); } //发送header send_response_header ( process ); } }
int cmd_commit(int argc, const char **argv, const char *prefix) { static struct wt_status s; static struct option builtin_commit_options[] = { OPT__QUIET(&quiet, N_("suppress summary after successful commit")), OPT__VERBOSE(&verbose, N_("show diff in commit message template")), OPT_GROUP(N_("Commit message options")), OPT_FILENAME('F', "file", &logfile, N_("read message from file")), OPT_STRING(0, "author", &force_author, N_("author"), N_("override author for commit")), OPT_STRING(0, "date", &force_date, N_("date"), N_("override date for commit")), OPT_CALLBACK('m', "message", &message, N_("message"), N_("commit message"), opt_parse_m), OPT_STRING('c', "reedit-message", &edit_message, N_("commit"), N_("reuse and edit message from specified commit")), OPT_STRING('C', "reuse-message", &use_message, N_("commit"), N_("reuse message from specified commit")), OPT_STRING(0, "fixup", &fixup_message, N_("commit"), N_("use autosquash formatted message to fixup specified commit")), OPT_STRING(0, "squash", &squash_message, N_("commit"), N_("use autosquash formatted message to squash specified commit")), OPT_BOOL(0, "reset-author", &renew_authorship, N_("the commit is authored by me now (used with -C/-c/--amend)")), OPT_BOOL('s', "signoff", &signoff, N_("add Signed-off-by:")), OPT_FILENAME('t', "template", &template_file, N_("use specified template file")), OPT_BOOL('e', "edit", &edit_flag, N_("force edit of commit")), OPT_STRING(0, "cleanup", &cleanup_arg, N_("default"), N_("how to strip spaces and #comments from message")), OPT_BOOL(0, "status", &include_status, N_("include status in commit message template")), { OPTION_STRING, 'S', "gpg-sign", &sign_commit, N_("key id"), N_("GPG sign commit"), PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, /* end commit message options */ OPT_GROUP(N_("Commit contents options")), OPT_BOOL('a', "all", &all, N_("commit all changed files")), OPT_BOOL('i', "include", &also, N_("add specified files to index for commit")), OPT_BOOL(0, "interactive", &interactive, N_("interactively add files")), OPT_BOOL('p', "patch", &patch_interactive, N_("interactively add changes")), OPT_BOOL('o', "only", &only, N_("commit only specified files")), OPT_BOOL('n', "no-verify", &no_verify, N_("bypass pre-commit hook")), OPT_BOOL(0, "dry-run", &dry_run, N_("show what would be committed")), OPT_SET_INT(0, "short", &status_format, N_("show status concisely"), STATUS_FORMAT_SHORT), OPT_BOOL(0, "branch", &s.show_branch, N_("show branch information")), OPT_SET_INT(0, "porcelain", &status_format, N_("machine-readable output"), STATUS_FORMAT_PORCELAIN), OPT_SET_INT(0, "long", &status_format, N_("show status in long format (default)"), STATUS_FORMAT_LONG), OPT_BOOL('z', "null", &s.null_termination, N_("terminate entries with NUL")), OPT_BOOL(0, "amend", &amend, N_("amend previous commit")), OPT_BOOL(0, "no-post-rewrite", &no_post_rewrite, N_("bypass post-rewrite hook")), { OPTION_STRING, 'u', "untracked-files", &untracked_files_arg, N_("mode"), N_("show untracked files, optional modes: all, normal, no. (Default: all)"), PARSE_OPT_OPTARG, NULL, (intptr_t)"all" }, /* end commit contents options */ OPT_HIDDEN_BOOL(0, "allow-empty", &allow_empty, N_("ok to record an empty change")), OPT_HIDDEN_BOOL(0, "allow-empty-message", &allow_empty_message, N_("ok to record a change with an empty message")), OPT_END() }; struct strbuf sb = STRBUF_INIT; struct strbuf author_ident = STRBUF_INIT; const char *index_file, *reflog_msg; char *nl; unsigned char sha1[20]; struct ref_lock *ref_lock; struct commit_list *parents = NULL, **pptr = &parents; struct stat statbuf; struct commit *current_head = NULL; struct commit_extra_header *extra = NULL; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(builtin_commit_usage, builtin_commit_options); status_init_config(&s, git_commit_config); status_format = STATUS_FORMAT_NONE; /* Ignore status.short */ s.colopts = 0; if (get_sha1("HEAD", sha1)) current_head = NULL; else { current_head = lookup_commit_or_die(sha1, "HEAD"); if (parse_commit(current_head)) die(_("could not parse HEAD commit")); } argc = parse_and_validate_options(argc, argv, builtin_commit_options, builtin_commit_usage, prefix, current_head, &s); if (dry_run) return dry_run_commit(argc, argv, prefix, current_head, &s); index_file = prepare_index(argc, argv, prefix, current_head, 0); /* Set up everything for writing the commit object. This includes running hooks, writing the trees, and interacting with the user. */ if (!prepare_to_commit(index_file, prefix, current_head, &s, &author_ident)) { rollback_index_files(); return 1; } /* Determine parents */ reflog_msg = getenv("GIT_REFLOG_ACTION"); if (!current_head) { if (!reflog_msg) reflog_msg = "commit (initial)"; } else if (amend) { struct commit_list *c; if (!reflog_msg) reflog_msg = "commit (amend)"; for (c = current_head->parents; c; c = c->next) pptr = &commit_list_insert(c->item, pptr)->next; } else if (whence == FROM_MERGE) { struct strbuf m = STRBUF_INIT; FILE *fp; int allow_fast_forward = 1; if (!reflog_msg) reflog_msg = "commit (merge)"; pptr = &commit_list_insert(current_head, pptr)->next; fp = fopen(git_path("MERGE_HEAD"), "r"); if (fp == NULL) die_errno(_("could not open '%s' for reading"), git_path("MERGE_HEAD")); while (strbuf_getline(&m, fp, '\n') != EOF) { struct commit *parent; parent = get_merge_parent(m.buf); if (!parent) die(_("Corrupt MERGE_HEAD file (%s)"), m.buf); pptr = &commit_list_insert(parent, pptr)->next; } fclose(fp); strbuf_release(&m); if (!stat(git_path("MERGE_MODE"), &statbuf)) { if (strbuf_read_file(&sb, git_path("MERGE_MODE"), 0) < 0) die_errno(_("could not read MERGE_MODE")); if (!strcmp(sb.buf, "no-ff")) allow_fast_forward = 0; } if (allow_fast_forward) parents = reduce_heads(parents); } else { if (!reflog_msg) reflog_msg = (whence == FROM_CHERRY_PICK) ? "commit (cherry-pick)" : "commit"; pptr = &commit_list_insert(current_head, pptr)->next; } /* Finally, get the commit message */ strbuf_reset(&sb); if (strbuf_read_file(&sb, git_path(commit_editmsg), 0) < 0) { int saved_errno = errno; rollback_index_files(); die(_("could not read commit message: %s"), strerror(saved_errno)); } /* Truncate the message just before the diff, if any. */ if (verbose) wt_status_truncate_message_at_cut_line(&sb); if (cleanup_mode != CLEANUP_NONE) stripspace(&sb, cleanup_mode == CLEANUP_ALL); if (template_untouched(&sb) && !allow_empty_message) { rollback_index_files(); fprintf(stderr, _("Aborting commit; you did not edit the message.\n")); exit(1); } if (message_is_empty(&sb) && !allow_empty_message) { rollback_index_files(); fprintf(stderr, _("Aborting commit due to empty commit message.\n")); exit(1); } if (amend) { const char *exclude_gpgsig[2] = { "gpgsig", NULL }; extra = read_commit_extra_headers(current_head, exclude_gpgsig); } else { struct commit_extra_header **tail = &extra; append_merge_tag_headers(parents, &tail); } if (commit_tree_extended(&sb, active_cache_tree->sha1, parents, sha1, author_ident.buf, sign_commit, extra)) { rollback_index_files(); die(_("failed to write commit object")); } strbuf_release(&author_ident); free_commit_extra_headers(extra); ref_lock = lock_any_ref_for_update("HEAD", !current_head ? NULL : current_head->object.sha1, 0, NULL); nl = strchr(sb.buf, '\n'); if (nl) strbuf_setlen(&sb, nl + 1 - sb.buf); else strbuf_addch(&sb, '\n'); strbuf_insert(&sb, 0, reflog_msg, strlen(reflog_msg)); strbuf_insert(&sb, strlen(reflog_msg), ": ", 2); if (!ref_lock) { rollback_index_files(); die(_("cannot lock HEAD ref")); } if (write_ref_sha1(ref_lock, sha1, sb.buf) < 0) { rollback_index_files(); die(_("cannot update HEAD ref")); } unlink(git_path("CHERRY_PICK_HEAD")); unlink(git_path("REVERT_HEAD")); unlink(git_path("MERGE_HEAD")); unlink(git_path("MERGE_MSG")); unlink(git_path("MERGE_MODE")); unlink(git_path("SQUASH_MSG")); if (commit_index_files()) die (_("Repository has been updated, but unable to write\n" "new_index file. Check that disk is not full or quota is\n" "not exceeded, and then \"git reset HEAD\" to recover.")); rerere(0); run_hook(get_index_file(), "post-commit", NULL); if (amend && !no_post_rewrite) { struct notes_rewrite_cfg *cfg; cfg = init_copy_notes_for_rewrite("amend"); if (cfg) { /* we are amending, so current_head is not NULL */ copy_note_for_rewrite(cfg, current_head->object.sha1, sha1); finish_copy_notes_for_rewrite(cfg, "Notes added by 'git commit --amend'"); } run_rewrite_hook(current_head->object.sha1, sha1); } if (!quiet) print_summary(prefix, sha1, !current_head); return 0; }
int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix) { return write_index_as_tree(sha1, &the_index, get_index_file(), flags, prefix); }
static char *prepare_index(int argc, const char **argv, const char *prefix, const struct commit *current_head, int is_status) { int fd; struct string_list partial; struct pathspec pathspec; int refresh_flags = REFRESH_QUIET; if (is_status) refresh_flags |= REFRESH_UNMERGED; parse_pathspec(&pathspec, 0, PATHSPEC_PREFER_FULL, prefix, argv); if (read_cache_preload(&pathspec) < 0) die(_("index file corrupt")); if (interactive) { char *old_index_env = NULL; fd = hold_locked_index(&index_lock, 1); refresh_cache_or_die(refresh_flags); if (write_cache(fd, active_cache, active_nr) || close_lock_file(&index_lock)) die(_("unable to create temporary index")); old_index_env = getenv(INDEX_ENVIRONMENT); setenv(INDEX_ENVIRONMENT, index_lock.filename, 1); if (interactive_add(argc, argv, prefix, patch_interactive) != 0) die(_("interactive add failed")); if (old_index_env && *old_index_env) setenv(INDEX_ENVIRONMENT, old_index_env, 1); else unsetenv(INDEX_ENVIRONMENT); discard_cache(); read_cache_from(index_lock.filename); commit_style = COMMIT_NORMAL; return index_lock.filename; } /* * Non partial, non as-is commit. * * (1) get the real index; * (2) update the_index as necessary; * (3) write the_index out to the real index (still locked); * (4) return the name of the locked index file. * * The caller should run hooks on the locked real index, and * (A) if all goes well, commit the real index; * (B) on failure, rollback the real index. */ if (all || (also && pathspec.nr)) { fd = hold_locked_index(&index_lock, 1); add_files_to_cache(also ? prefix : NULL, &pathspec, 0); refresh_cache_or_die(refresh_flags); update_main_cache_tree(WRITE_TREE_SILENT); if (write_cache(fd, active_cache, active_nr) || close_lock_file(&index_lock)) die(_("unable to write new_index file")); commit_style = COMMIT_NORMAL; return index_lock.filename; } /* * As-is commit. * * (1) return the name of the real index file. * * The caller should run hooks on the real index, * and create commit from the_index. * We still need to refresh the index here. */ if (!only && !pathspec.nr) { fd = hold_locked_index(&index_lock, 1); refresh_cache_or_die(refresh_flags); if (active_cache_changed) { update_main_cache_tree(WRITE_TREE_SILENT); if (write_cache(fd, active_cache, active_nr) || commit_locked_index(&index_lock)) die(_("unable to write new_index file")); } else { rollback_lock_file(&index_lock); } commit_style = COMMIT_AS_IS; return get_index_file(); } /* * A partial commit. * * (0) find the set of affected paths; * (1) get lock on the real index file; * (2) update the_index with the given paths; * (3) write the_index out to the real index (still locked); * (4) get lock on the false index file; * (5) reset the_index from HEAD; * (6) update the_index the same way as (2); * (7) write the_index out to the false index file; * (8) return the name of the false index file (still locked); * * The caller should run hooks on the locked false index, and * create commit from it. Then * (A) if all goes well, commit the real index; * (B) on failure, rollback the real index; * In either case, rollback the false index. */ commit_style = COMMIT_PARTIAL; if (whence != FROM_COMMIT) { if (whence == FROM_MERGE) die(_("cannot do a partial commit during a merge.")); else if (whence == FROM_CHERRY_PICK) die(_("cannot do a partial commit during a cherry-pick.")); } memset(&partial, 0, sizeof(partial)); partial.strdup_strings = 1; if (list_paths(&partial, !current_head ? NULL : "HEAD", prefix, &pathspec)) exit(1); discard_cache(); if (read_cache() < 0) die(_("cannot read the index")); fd = hold_locked_index(&index_lock, 1); add_remove_files(&partial); refresh_cache(REFRESH_QUIET); if (write_cache(fd, active_cache, active_nr) || close_lock_file(&index_lock)) die(_("unable to write new_index file")); fd = hold_lock_file_for_update(&false_lock, git_path("next-index-%"PRIuMAX, (uintmax_t) getpid()), LOCK_DIE_ON_ERROR); create_base_index(current_head); add_remove_files(&partial); refresh_cache(REFRESH_QUIET); if (write_cache(fd, active_cache, active_nr) || close_lock_file(&false_lock)) die(_("unable to write temporary index file")); discard_cache(); read_cache_from(false_lock.filename); return false_lock.filename; }
int cmd_update_index(int argc, const char **argv, const char *prefix) { int newfd, entries, has_errors = 0, nul_term_line = 0; enum uc_mode untracked_cache = UC_UNSPECIFIED; int read_from_stdin = 0; int prefix_length = prefix ? strlen(prefix) : 0; int preferred_index_format = 0; char set_executable_bit = 0; struct refresh_params refresh_args = {0, &has_errors}; int lock_error = 0; int split_index = -1; int force_write = 0; int fsmonitor = -1; struct lock_file lock_file = LOCK_INIT; struct parse_opt_ctx_t ctx; strbuf_getline_fn getline_fn; int parseopt_state = PARSE_OPT_UNKNOWN; struct option options[] = { OPT_BIT('q', NULL, &refresh_args.flags, N_("continue refresh even when index needs update"), REFRESH_QUIET), OPT_BIT(0, "ignore-submodules", &refresh_args.flags, N_("refresh: ignore submodules"), REFRESH_IGNORE_SUBMODULES), OPT_SET_INT(0, "add", &allow_add, N_("do not ignore new files"), 1), OPT_SET_INT(0, "replace", &allow_replace, N_("let files replace directories and vice-versa"), 1), OPT_SET_INT(0, "remove", &allow_remove, N_("notice files missing from worktree"), 1), OPT_BIT(0, "unmerged", &refresh_args.flags, N_("refresh even if index contains unmerged entries"), REFRESH_UNMERGED), {OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL, N_("refresh stat information"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, refresh_callback}, {OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL, N_("like --refresh, but ignore assume-unchanged setting"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, really_refresh_callback}, {OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL, N_("<mode>,<object>,<path>"), N_("add the specified entry to the index"), PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */ PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP, (parse_opt_cb *) cacheinfo_callback}, {OPTION_CALLBACK, 0, "chmod", &set_executable_bit, "(+|-)x", N_("override the executable bit of the listed files"), PARSE_OPT_NONEG, chmod_callback}, {OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL, N_("mark files as \"not changing\""), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, {OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL, N_("clear assumed-unchanged bit"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, {OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL, N_("mark files as \"index-only\""), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, {OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL, N_("clear skip-worktree bit"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, OPT_SET_INT(0, "info-only", &info_only, N_("add to index only; do not add content to object database"), 1), OPT_SET_INT(0, "force-remove", &force_remove, N_("remove named paths even if present in worktree"), 1), OPT_BOOL('z', NULL, &nul_term_line, N_("with --stdin: input lines are terminated by null bytes")), {OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL, N_("read list of paths to be updated from standard input"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) stdin_callback}, {OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &nul_term_line, NULL, N_("add entries from standard input to the index"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) stdin_cacheinfo_callback}, {OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL, N_("repopulate stages #2 and #3 for the listed paths"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) unresolve_callback}, {OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL, N_("only update entries that differ from HEAD"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) reupdate_callback}, OPT_BIT(0, "ignore-missing", &refresh_args.flags, N_("ignore files missing from worktree"), REFRESH_IGNORE_MISSING), OPT_SET_INT(0, "verbose", &verbose, N_("report actions to standard output"), 1), {OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL, N_("(for porcelains) forget saved unresolved conflicts"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, resolve_undo_clear_callback}, OPT_INTEGER(0, "index-version", &preferred_index_format, N_("write index in this format")), OPT_BOOL(0, "split-index", &split_index, N_("enable or disable split index")), OPT_BOOL(0, "untracked-cache", &untracked_cache, N_("enable/disable untracked cache")), OPT_SET_INT(0, "test-untracked-cache", &untracked_cache, N_("test if the filesystem supports untracked cache"), UC_TEST), OPT_SET_INT(0, "force-untracked-cache", &untracked_cache, N_("enable untracked cache without testing the filesystem"), UC_FORCE), OPT_SET_INT(0, "force-write-index", &force_write, N_("write out the index even if is not flagged as changed"), 1), OPT_BOOL(0, "fsmonitor", &fsmonitor, N_("enable or disable file system monitor")), {OPTION_SET_INT, 0, "fsmonitor-valid", &mark_fsmonitor_only, NULL, N_("mark files as fsmonitor valid"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG}, {OPTION_SET_INT, 0, "no-fsmonitor-valid", &mark_fsmonitor_only, NULL, N_("clear fsmonitor valid bit"), PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG}, OPT_END() }; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(update_index_usage, options); git_config(git_default_config, NULL); /* we will diagnose later if it turns out that we need to update it */ newfd = hold_locked_index(&lock_file, 0); if (newfd < 0) lock_error = errno; entries = read_cache(); if (entries < 0) die("cache corrupted"); /* * Custom copy of parse_options() because we want to handle * filename arguments as they come. */ parse_options_start(&ctx, argc, argv, prefix, options, PARSE_OPT_STOP_AT_NON_OPTION); while (ctx.argc) { if (parseopt_state != PARSE_OPT_DONE) parseopt_state = parse_options_step(&ctx, options, update_index_usage); if (!ctx.argc) break; switch (parseopt_state) { case PARSE_OPT_HELP: case PARSE_OPT_ERROR: exit(129); case PARSE_OPT_NON_OPTION: case PARSE_OPT_DONE: { const char *path = ctx.argv[0]; char *p; setup_work_tree(); p = prefix_path(prefix, prefix_length, path); update_one(p); if (set_executable_bit) chmod_path(set_executable_bit, p); free(p); ctx.argc--; ctx.argv++; break; } case PARSE_OPT_UNKNOWN: if (ctx.argv[0][1] == '-') error("unknown option '%s'", ctx.argv[0] + 2); else error("unknown switch '%c'", *ctx.opt); usage_with_options(update_index_usage, options); } } argc = parse_options_end(&ctx); getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; if (preferred_index_format) { if (preferred_index_format < INDEX_FORMAT_LB || INDEX_FORMAT_UB < preferred_index_format) die("index-version %d not in range: %d..%d", preferred_index_format, INDEX_FORMAT_LB, INDEX_FORMAT_UB); if (the_index.version != preferred_index_format) active_cache_changed |= SOMETHING_CHANGED; the_index.version = preferred_index_format; } if (read_from_stdin) { struct strbuf buf = STRBUF_INIT; struct strbuf unquoted = STRBUF_INIT; setup_work_tree(); while (getline_fn(&buf, stdin) != EOF) { char *p; if (!nul_term_line && buf.buf[0] == '"') { strbuf_reset(&unquoted); if (unquote_c_style(&unquoted, buf.buf, NULL)) die("line is badly quoted"); strbuf_swap(&buf, &unquoted); } p = prefix_path(prefix, prefix_length, buf.buf); update_one(p); if (set_executable_bit) chmod_path(set_executable_bit, p); free(p); } strbuf_release(&unquoted); strbuf_release(&buf); } if (split_index > 0) { if (git_config_get_split_index() == 0) warning(_("core.splitIndex is set to false; " "remove or change it, if you really want to " "enable split index")); if (the_index.split_index) the_index.cache_changed |= SPLIT_INDEX_ORDERED; else add_split_index(&the_index); } else if (!split_index) { if (git_config_get_split_index() == 1) warning(_("core.splitIndex is set to true; " "remove or change it, if you really want to " "disable split index")); remove_split_index(&the_index); } switch (untracked_cache) { case UC_UNSPECIFIED: break; case UC_DISABLE: if (git_config_get_untracked_cache() == 1) warning(_("core.untrackedCache is set to true; " "remove or change it, if you really want to " "disable the untracked cache")); remove_untracked_cache(&the_index); report(_("Untracked cache disabled")); break; case UC_TEST: setup_work_tree(); return !test_if_untracked_cache_is_supported(); case UC_ENABLE: case UC_FORCE: if (git_config_get_untracked_cache() == 0) warning(_("core.untrackedCache is set to false; " "remove or change it, if you really want to " "enable the untracked cache")); add_untracked_cache(&the_index); report(_("Untracked cache enabled for '%s'"), get_git_work_tree()); break; default: BUG("bad untracked_cache value: %d", untracked_cache); } if (fsmonitor > 0) { if (git_config_get_fsmonitor() == 0) warning(_("core.fsmonitor is unset; " "set it if you really want to " "enable fsmonitor")); add_fsmonitor(&the_index); report(_("fsmonitor enabled")); } else if (!fsmonitor) { if (git_config_get_fsmonitor() == 1) warning(_("core.fsmonitor is set; " "remove it if you really want to " "disable fsmonitor")); remove_fsmonitor(&the_index); report(_("fsmonitor disabled")); } if (active_cache_changed || force_write) { if (newfd < 0) { if (refresh_args.flags & REFRESH_QUIET) exit(128); unable_to_lock_die(get_index_file(), lock_error); } if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) die("Unable to write new index file"); } rollback_lock_file(&lock_file); return has_errors ? 1 : 0; }