void print_commit(struct commit *commit, struct rev_info *revs)
{
struct commitinfo *info;
int cols = revs->graph ? 3 : 2;
struct strbuf graphbuf = STRBUF_INIT;
struct strbuf msgbuf = STRBUF_INIT;
if (ctx.repo->enable_log_filecount)
cols++;
if (ctx.repo->enable_log_linecount)
cols++;
if (revs->graph) {
/* Advance graph until current commit */
while (!graph_next_line(revs->graph, &graphbuf)) {
/* Print graph segment in otherwise empty table row */
html("<tr class='nohover'><td class='commitgraph'>");
html(graphbuf.buf);
htmlf("</td><td colspan='%d' /></tr>\n", cols);
strbuf_setlen(&graphbuf, 0);
}
/* Current commit's graph segment is now ready in graphbuf */
}
info = cgit_parse_commit(commit);
htmlf("<tr%s>", ctx.qry.showmsg ? " class='logheader'" : "");
if (revs->graph) {
/* Print graph segment for current commit */
html("<td class='commitgraph'>");
html(graphbuf.buf);
html("</td>");
strbuf_setlen(&graphbuf, 0);
}
else {
html("<td>");
cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
html("</td>");
}
htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
if (ctx.qry.showmsg) {
/* line-wrap long commit subjects instead of truncating them */
size_t subject_len = strlen(info->subject);
if (subject_len > ctx.cfg.max_msg_len &&
ctx.cfg.max_msg_len >= 15) {
/* symbol for signaling line-wrap (in PAGE_ENCODING) */
const char wrap_symbol[] = { ' ', 0xE2, 0x86, 0xB5, 0 };
int i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
/* Rewind i to preceding space character */
while (i > 0 && !isspace(info->subject[i]))
--i;
if (!i) /* Oops, zero spaces. Reset i */
i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
/* add remainder starting at i to msgbuf */
strbuf_add(&msgbuf, info->subject + i, subject_len - i);
strbuf_trim(&msgbuf);
strbuf_add(&msgbuf, "\n\n", 2);
/* Place wrap_symbol at position i in info->subject */
strcpy(info->subject + i, wrap_symbol);
}
}
cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
sha1_to_hex(commit->object.sha1), ctx.qry.vpath, 0);
show_commit_decorations(commit);
html("</td><td>");
html_txt(info->author);
if (revs->graph) {
html("</td><td>");
cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
}
if (ctx.repo->enable_log_filecount || ctx.repo->enable_log_linecount) {
files = 0;
add_lines = 0;
rem_lines = 0;
cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
}
if (ctx.repo->enable_log_filecount)
htmlf("</td><td>%d", files);
if (ctx.repo->enable_log_linecount)
htmlf("</td><td>-%d/+%d", rem_lines, add_lines);
html("</td></tr>\n");
if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
html("<tr class='nohover'>");
if (ctx.qry.showmsg) {
/* Concatenate commit message + notes in msgbuf */
if (info->msg && *(info->msg)) {
strbuf_addstr(&msgbuf, info->msg);
strbuf_addch(&msgbuf, '\n');
}
format_note(NULL, commit->object.sha1, &msgbuf,
PAGE_ENCODING,
NOTES_SHOW_HEADER | NOTES_INDENT);
strbuf_addch(&msgbuf, '\n');
strbuf_ltrim(&msgbuf);
}
if (revs->graph) {
int lines = 0;
/* Calculate graph padding */
if (ctx.qry.showmsg) {
/* Count #lines in commit message + notes */
const char *p = msgbuf.buf;
lines = 1;
while ((p = strchr(p, '\n'))) {
p++;
lines++;
}
}
/* Print graph padding */
html("<td class='commitgraph'>");
while (lines > 0 || !graph_is_commit_finished(revs->graph)) {
if (graphbuf.len)
html("\n");
strbuf_setlen(&graphbuf, 0);
graph_next_line(revs->graph, &graphbuf);
html(graphbuf.buf);
lines--;
}
html("</td>\n");
}
else
html("<td/>"); /* Empty 'Age' column */
/* Print msgbuf into remainder of table row */
htmlf("<td colspan='%d'%s>\n", cols,
ctx.qry.showmsg ? " class='logmsg'" : "");
html_txt(msgbuf.buf);
html("</td></tr>\n");
}
strbuf_release(&msgbuf);
strbuf_release(&graphbuf);
cgit_free_commitinfo(info);
}
/*
* Move the iterator to the next record in the snapshot, without
* respect for whether the record is actually required by the current
* iteration. Adjust the fields in `iter` and return `ITER_OK` or
* `ITER_DONE`. This function does not free the iterator in the case
* of `ITER_DONE`.
*/
static int next_record(struct packed_ref_iterator *iter)
{
const char *p = iter->pos, *eol;
strbuf_reset(&iter->refname_buf);
if (iter->pos == iter->eof)
return ITER_DONE;
iter->base.flags = REF_ISPACKED;
if (iter->eof - p < GIT_SHA1_HEXSZ + 2 ||
parse_oid_hex(p, &iter->oid, &p) ||
!isspace(*p++))
die_invalid_line(iter->snapshot->refs->path,
iter->pos, iter->eof - iter->pos);
eol = memchr(p, '\n', iter->eof - p);
if (!eol)
die_unterminated_line(iter->snapshot->refs->path,
iter->pos, iter->eof - iter->pos);
strbuf_add(&iter->refname_buf, p, eol - p);
iter->base.refname = iter->refname_buf.buf;
if (check_refname_format(iter->base.refname, REFNAME_ALLOW_ONELEVEL)) {
if (!refname_is_safe(iter->base.refname))
die("packed refname is dangerous: %s",
iter->base.refname);
oidclr(&iter->oid);
iter->base.flags |= REF_BAD_NAME | REF_ISBROKEN;
}
if (iter->snapshot->peeled == PEELED_FULLY ||
(iter->snapshot->peeled == PEELED_TAGS &&
starts_with(iter->base.refname, "refs/tags/")))
iter->base.flags |= REF_KNOWS_PEELED;
iter->pos = eol + 1;
if (iter->pos < iter->eof && *iter->pos == '^') {
p = iter->pos + 1;
if (iter->eof - p < GIT_SHA1_HEXSZ + 1 ||
parse_oid_hex(p, &iter->peeled, &p) ||
*p++ != '\n')
die_invalid_line(iter->snapshot->refs->path,
iter->pos, iter->eof - iter->pos);
iter->pos = p;
/*
* Regardless of what the file header said, we
* definitely know the value of *this* reference. But
* we suppress it if the reference is broken:
*/
if ((iter->base.flags & REF_ISBROKEN)) {
oidclr(&iter->peeled);
iter->base.flags &= ~REF_KNOWS_PEELED;
} else {
iter->base.flags |= REF_KNOWS_PEELED;
}
} else {
oidclr(&iter->peeled);
}
return ITER_OK;
}
static void start_put(struct transfer_request *request)
{
char *hex = oid_to_hex(&request->obj->oid);
struct active_request_slot *slot;
struct strbuf buf = STRBUF_INIT;
enum object_type type;
char hdr[50];
void *unpacked;
unsigned long len;
int hdrlen;
ssize_t size;
git_zstream stream;
unpacked = read_sha1_file(request->obj->oid.hash, &type, &len);
hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", typename(type), len) + 1;
/* Set it up */
git_deflate_init(&stream, zlib_compression_level);
size = git_deflate_bound(&stream, len + hdrlen);
strbuf_init(&request->buffer.buf, size);
request->buffer.posn = 0;
/* Compress it */
stream.next_out = (unsigned char *)request->buffer.buf.buf;
stream.avail_out = size;
/* First header.. */
stream.next_in = (void *)hdr;
stream.avail_in = hdrlen;
while (git_deflate(&stream, 0) == Z_OK)
; /* nothing */
/* Then the data itself.. */
stream.next_in = unpacked;
stream.avail_in = len;
while (git_deflate(&stream, Z_FINISH) == Z_OK)
; /* nothing */
git_deflate_end(&stream);
free(unpacked);
request->buffer.buf.len = stream.total_out;
strbuf_addstr(&buf, "Destination: ");
append_remote_object_url(&buf, repo->url, hex, 0);
request->dest = strbuf_detach(&buf, NULL);
append_remote_object_url(&buf, repo->url, hex, 0);
strbuf_add(&buf, request->lock->tmpfile_suffix, 41);
request->url = strbuf_detach(&buf, NULL);
slot = get_active_slot();
slot->callback_func = process_response;
slot->callback_data = request;
curl_setup_http(slot->curl, request->url, DAV_PUT,
&request->buffer, fwrite_null);
if (start_active_slot(slot)) {
request->slot = slot;
request->state = RUN_PUT;
} else {
request->state = ABORTED;
FREE_AND_NULL(request->url);
}
}
/*
* First, one directory to try is determined by the following algorithm.
*
* (0) If "strict" is given, the path is used as given and no DWIM is
* done. Otherwise:
* (1) "~/path" to mean path under the running user's home directory;
* (2) "~user/path" to mean path under named user's home directory;
* (3) "relative/path" to mean cwd relative directory; or
* (4) "/absolute/path" to mean absolute directory.
*
* Unless "strict" is given, we check "%s/.git", "%s", "%s.git/.git", "%s.git"
* in this order. We select the first one that is a valid git repository, and
* chdir() to it. If none match, or we fail to chdir, we return NULL.
*
* If all goes well, we return the directory we used to chdir() (but
* before ~user is expanded), avoiding getcwd() resolving symbolic
* links. User relative paths are also returned as they are given,
* except DWIM suffixing.
*/
const char *enter_repo(const char *path, int strict)
{
static struct strbuf validated_path = STRBUF_INIT;
static struct strbuf used_path = STRBUF_INIT;
if (!path)
return NULL;
if (!strict) {
static const char *suffix[] = {
"/.git", "", ".git/.git", ".git", NULL,
};
const char *gitfile;
int len = strlen(path);
int i;
while ((1 < len) && (path[len-1] == '/'))
len--;
/*
* We can handle arbitrary-sized buffers, but this remains as a
* sanity check on untrusted input.
*/
if (PATH_MAX <= len)
return NULL;
strbuf_reset(&used_path);
strbuf_reset(&validated_path);
strbuf_add(&used_path, path, len);
strbuf_add(&validated_path, path, len);
if (used_path.buf[0] == '~') {
char *newpath = expand_user_path(used_path.buf, 0);
if (!newpath)
return NULL;
strbuf_attach(&used_path, newpath, strlen(newpath),
strlen(newpath));
}
for (i = 0; suffix[i]; i++) {
struct stat st;
size_t baselen = used_path.len;
strbuf_addstr(&used_path, suffix[i]);
if (!stat(used_path.buf, &st) &&
(S_ISREG(st.st_mode) ||
(S_ISDIR(st.st_mode) && is_git_directory(used_path.buf)))) {
strbuf_addstr(&validated_path, suffix[i]);
break;
}
strbuf_setlen(&used_path, baselen);
}
if (!suffix[i])
return NULL;
gitfile = read_gitfile(used_path.buf);
if (gitfile) {
strbuf_reset(&used_path);
strbuf_addstr(&used_path, gitfile);
}
if (chdir(used_path.buf))
return NULL;
path = validated_path.buf;
}
else {
const char *gitfile = read_gitfile(path);
if (gitfile)
path = gitfile;
if (chdir(path))
return NULL;
}
if (is_git_directory(".")) {
set_git_dir(".");
check_repository_format();
return path;
}
return NULL;
}
void pp_user_info(const struct pretty_print_context *pp,
const char *what, struct strbuf *sb,
const char *line, const char *encoding)
{
char *date;
int namelen;
unsigned long time;
int tz;
if (pp->fmt == CMIT_FMT_ONELINE)
return;
date = strchr(line, '>');
if (!date)
return;
namelen = ++date - line;
time = strtoul(date, &date, 10);
tz = strtol(date, NULL, 10);
if (pp->fmt == CMIT_FMT_EMAIL) {
char *name_tail = strchr(line, '<');
int display_name_length;
int final_line;
if (!name_tail)
return;
while (line < name_tail && isspace(name_tail[-1]))
name_tail--;
display_name_length = name_tail - line;
strbuf_addstr(sb, "From: ");
if (!has_rfc822_specials(line, display_name_length)) {
add_rfc2047(sb, line, display_name_length, encoding);
} else {
struct strbuf quoted = STRBUF_INIT;
add_rfc822_quoted("ed, line, display_name_length);
add_rfc2047(sb, quoted.buf, quoted.len, encoding);
strbuf_release("ed);
}
for (final_line = 0; final_line < sb->len; final_line++)
if (sb->buf[sb->len - final_line - 1] == '\n')
break;
if (namelen - display_name_length + final_line > 78) {
strbuf_addch(sb, '\n');
if (!isspace(name_tail[0]))
strbuf_addch(sb, ' ');
}
strbuf_add(sb, name_tail, namelen - display_name_length);
strbuf_addch(sb, '\n');
} else {
strbuf_addf(sb, "%s: %.*s%.*s\n", what,
(pp->fmt == CMIT_FMT_FULLER) ? 4 : 0,
" ", namelen, line);
}
switch (pp->fmt) {
case CMIT_FMT_MEDIUM:
strbuf_addf(sb, "Date: %s\n", show_date(time, tz, pp->date_mode));
break;
case CMIT_FMT_EMAIL:
strbuf_addf(sb, "Date: %s\n", show_date(time, tz, DATE_RFC2822));
break;
case CMIT_FMT_FULLER:
strbuf_addf(sb, "%sDate: %s\n", what, show_date(time, tz, pp->date_mode));
break;
default:
/* notin' */
break;
}
}
static int merge(int argc, const char **argv, const char *prefix)
{
struct strbuf remote_ref = STRBUF_INIT, msg = STRBUF_INIT;
unsigned char result_sha1[20];
struct notes_tree *t;
struct notes_merge_options o;
int do_merge = 0, do_commit = 0, do_abort = 0;
int verbosity = 0, result;
const char *strategy = NULL;
struct option options[] = {
OPT_GROUP("General options"),
OPT__VERBOSITY(&verbosity),
OPT_GROUP("Merge options"),
OPT_STRING('s', "strategy", &strategy, "strategy",
"resolve notes conflicts using the given strategy "
"(manual/ours/theirs/union/cat_sort_uniq)"),
OPT_GROUP("Committing unmerged notes"),
{ OPTION_BOOLEAN, 0, "commit", &do_commit, NULL,
"finalize notes merge by committing unmerged notes",
PARSE_OPT_NOARG | PARSE_OPT_NONEG },
OPT_GROUP("Aborting notes merge resolution"),
{ OPTION_BOOLEAN, 0, "abort", &do_abort, NULL,
"abort notes merge",
PARSE_OPT_NOARG | PARSE_OPT_NONEG },
OPT_END()
};
argc = parse_options(argc, argv, prefix, options,
git_notes_merge_usage, 0);
if (strategy || do_commit + do_abort == 0)
do_merge = 1;
if (do_merge + do_commit + do_abort != 1) {
error("cannot mix --commit, --abort or -s/--strategy");
usage_with_options(git_notes_merge_usage, options);
}
if (do_merge && argc != 1) {
error("Must specify a notes ref to merge");
usage_with_options(git_notes_merge_usage, options);
} else if (!do_merge && argc) {
error("too many parameters");
usage_with_options(git_notes_merge_usage, options);
}
init_notes_merge_options(&o);
o.verbosity = verbosity + NOTES_MERGE_VERBOSITY_DEFAULT;
if (do_abort)
return merge_abort(&o);
if (do_commit)
return merge_commit(&o);
o.local_ref = default_notes_ref();
strbuf_addstr(&remote_ref, argv[0]);
expand_notes_ref(&remote_ref);
o.remote_ref = remote_ref.buf;
if (strategy) {
if (!strcmp(strategy, "manual"))
o.strategy = NOTES_MERGE_RESOLVE_MANUAL;
else if (!strcmp(strategy, "ours"))
o.strategy = NOTES_MERGE_RESOLVE_OURS;
else if (!strcmp(strategy, "theirs"))
o.strategy = NOTES_MERGE_RESOLVE_THEIRS;
else if (!strcmp(strategy, "union"))
o.strategy = NOTES_MERGE_RESOLVE_UNION;
else if (!strcmp(strategy, "cat_sort_uniq"))
o.strategy = NOTES_MERGE_RESOLVE_CAT_SORT_UNIQ;
else {
error("Unknown -s/--strategy: %s", strategy);
usage_with_options(git_notes_merge_usage, options);
}
}
t = init_notes_check("merge");
strbuf_addf(&msg, "notes: Merged notes from %s into %s",
remote_ref.buf, default_notes_ref());
strbuf_add(&(o.commit_msg), msg.buf + 7, msg.len - 7); /* skip "notes: " */
result = notes_merge(&o, t, result_sha1);
if (result >= 0) /* Merge resulted (trivially) in result_sha1 */
/* Update default notes ref with new commit */
update_ref(msg.buf, default_notes_ref(), result_sha1, NULL,
0, DIE_ON_ERR);
else { /* Merge has unresolved conflicts */
/* Update .git/NOTES_MERGE_PARTIAL with partial merge result */
update_ref(msg.buf, "NOTES_MERGE_PARTIAL", result_sha1, NULL,
0, DIE_ON_ERR);
/* Store ref-to-be-updated into .git/NOTES_MERGE_REF */
if (create_symref("NOTES_MERGE_REF", default_notes_ref(), NULL))
die("Failed to store link to current notes ref (%s)",
default_notes_ref());
printf("Automatic notes merge failed. Fix conflicts in %s and "
"commit the result with 'git notes merge --commit', or "
"abort the merge with 'git notes merge --abort'.\n",
git_path(NOTES_MERGE_WORKTREE));
}
free_notes(t);
strbuf_release(&remote_ref);
strbuf_release(&msg);
return result < 0; /* return non-zero on conflicts */
}
static int prepare_to_commit(const char *index_file, const char *prefix,
struct wt_status *s)
{
struct stat statbuf;
int commitable, saved_color_setting;
struct strbuf sb = STRBUF_INIT;
char *buffer;
FILE *fp;
const char *hook_arg1 = NULL;
const char *hook_arg2 = NULL;
int ident_shown = 0;
if (!no_verify && run_hook(index_file, "pre-commit", NULL))
return 0;
if (message.len) {
strbuf_addbuf(&sb, &message);
hook_arg1 = "message";
} else if (logfile && !strcmp(logfile, "-")) {
if (isatty(0))
fprintf(stderr, "(reading log message from standard input)\n");
if (strbuf_read(&sb, 0, 0) < 0)
die_errno("could not read log from standard input");
hook_arg1 = "message";
} else if (logfile) {
if (strbuf_read_file(&sb, logfile, 0) < 0)
die_errno("could not read log file '%s'",
logfile);
hook_arg1 = "message";
} else if (use_message) {
buffer = strstr(use_message_buffer, "\n\n");
if (!buffer || buffer[2] == '\0')
die("commit has empty message");
strbuf_add(&sb, buffer + 2, strlen(buffer + 2));
hook_arg1 = "commit";
hook_arg2 = use_message;
} else if (!stat(git_path("MERGE_MSG"), &statbuf)) {
if (strbuf_read_file(&sb, git_path("MERGE_MSG"), 0) < 0)
die_errno("could not read MERGE_MSG");
hook_arg1 = "merge";
} else if (!stat(git_path("SQUASH_MSG"), &statbuf)) {
if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0)
die_errno("could not read SQUASH_MSG");
hook_arg1 = "squash";
} else if (template_file && !stat(template_file, &statbuf)) {
if (strbuf_read_file(&sb, template_file, 0) < 0)
die_errno("could not read '%s'", template_file);
hook_arg1 = "template";
}
/*
* This final case does not modify the template message,
* it just sets the argument to the prepare-commit-msg hook.
*/
else if (in_merge)
hook_arg1 = "merge";
fp = fopen(git_path(commit_editmsg), "w");
if (fp == NULL)
die_errno("could not open '%s'", git_path(commit_editmsg));
if (cleanup_mode != CLEANUP_NONE)
stripspace(&sb, 0);
if (signoff) {
struct strbuf sob = STRBUF_INIT;
int i;
strbuf_addstr(&sob, sign_off_header);
strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"),
getenv("GIT_COMMITTER_EMAIL")));
strbuf_addch(&sob, '\n');
for (i = sb.len - 1; i > 0 && sb.buf[i - 1] != '\n'; i--)
; /* do nothing */
if (prefixcmp(sb.buf + i, sob.buf)) {
if (!i || !ends_rfc2822_footer(&sb))
strbuf_addch(&sb, '\n');
strbuf_addbuf(&sb, &sob);
}
strbuf_release(&sob);
}
if (fwrite(sb.buf, 1, sb.len, fp) < sb.len)
die_errno("could not write commit template");
strbuf_release(&sb);
determine_author_info();
/* This checks if committer ident is explicitly given */
git_committer_info(0);
if (use_editor && include_status) {
char *author_ident;
const char *committer_ident;
if (in_merge)
fprintf(fp,
"#\n"
"# It looks like you may be committing a MERGE.\n"
"# If this is not correct, please remove the file\n"
"# %s\n"
"# and try again.\n"
"#\n",
git_path("MERGE_HEAD"));
fprintf(fp,
"\n"
"# Please enter the commit message for your changes.");
if (cleanup_mode == CLEANUP_ALL)
fprintf(fp,
" Lines starting\n"
"# with '#' will be ignored, and an empty"
" message aborts the commit.\n");
else /* CLEANUP_SPACE, that is. */
fprintf(fp,
" Lines starting\n"
"# with '#' will be kept; you may remove them"
" yourself if you want to.\n"
"# An empty message aborts the commit.\n");
if (only_include_assumed)
fprintf(fp, "# %s\n", only_include_assumed);
author_ident = xstrdup(fmt_name(author_name, author_email));
committer_ident = fmt_name(getenv("GIT_COMMITTER_NAME"),
getenv("GIT_COMMITTER_EMAIL"));
if (strcmp(author_ident, committer_ident))
fprintf(fp,
"%s"
"# Author: %s\n",
ident_shown++ ? "" : "#\n",
author_ident);
free(author_ident);
if (!user_ident_sufficiently_given())
fprintf(fp,
"%s"
"# Committer: %s\n",
ident_shown++ ? "" : "#\n",
committer_ident);
if (ident_shown)
fprintf(fp, "#\n");
saved_color_setting = s->use_color;
s->use_color = 0;
commitable = run_status(fp, index_file, prefix, 1, s);
s->use_color = saved_color_setting;
} else {
unsigned char sha1[20];
const char *parent = "HEAD";
if (!active_nr && read_cache() < 0)
die("Cannot read index");
if (amend)
parent = "HEAD^1";
if (get_sha1(parent, sha1))
commitable = !!active_nr;
else
commitable = index_differs_from(parent, 0);
}
fclose(fp);
if (!commitable && !in_merge && !allow_empty &&
!(amend && is_a_merge(head_sha1))) {
run_status(stdout, index_file, prefix, 0, s);
return 0;
}
/*
* Re-read the index as pre-commit hook could have updated it,
* and write it out as a tree. We must do this before we invoke
* the editor and after we invoke run_status above.
*/
discard_cache();
read_cache_from(index_file);
if (!active_cache_tree)
active_cache_tree = cache_tree();
if (cache_tree_update(active_cache_tree,
active_cache, active_nr, 0, 0) < 0) {
error("Error building trees");
return 0;
}
if (run_hook(index_file, "prepare-commit-msg",
git_path(commit_editmsg), hook_arg1, hook_arg2, NULL))
return 0;
if (use_editor) {
char index[PATH_MAX];
const char *env[2] = { index, NULL };
snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
if (launch_editor(git_path(commit_editmsg), NULL, env)) {
fprintf(stderr,
"Please supply the message using either -m or -F option.\n");
exit(1);
}
}
if (!no_verify &&
run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) {
return 0;
}
return 1;
}
/*
* If we feed all the commits we want to verify to this command
*
* $ git rev-list --objects --stdin --not --all
*
* and if it does not error out, that means everything reachable from
* these commits locally exists and is connected to our existing refs.
* Note that this does _not_ validate the individual objects.
*
* Returns 0 if everything is connected, non-zero otherwise.
*/
int check_connected(sha1_iterate_fn fn, void *cb_data,
struct check_connected_options *opt)
{
struct child_process rev_list = CHILD_PROCESS_INIT;
struct check_connected_options defaults = CHECK_CONNECTED_INIT;
char commit[41];
unsigned char sha1[20];
int err = 0;
struct packed_git *new_pack = NULL;
struct transport *transport;
size_t base_len;
if (!opt)
opt = &defaults;
transport = opt->transport;
if (fn(cb_data, sha1)) {
if (opt->err_fd)
close(opt->err_fd);
return err;
}
if (transport && transport->smart_options &&
transport->smart_options->self_contained_and_connected &&
transport->pack_lockfile &&
strip_suffix(transport->pack_lockfile, ".keep", &base_len)) {
struct strbuf idx_file = STRBUF_INIT;
strbuf_add(&idx_file, transport->pack_lockfile, base_len);
strbuf_addstr(&idx_file, ".idx");
new_pack = add_packed_git(idx_file.buf, idx_file.len, 1);
strbuf_release(&idx_file);
}
if (opt->shallow_file) {
argv_array_push(&rev_list.args, "--shallow-file");
argv_array_push(&rev_list.args, opt->shallow_file);
}
argv_array_push(&rev_list.args,"rev-list");
argv_array_push(&rev_list.args, "--objects");
argv_array_push(&rev_list.args, "--stdin");
argv_array_push(&rev_list.args, "--not");
argv_array_push(&rev_list.args, "--all");
argv_array_push(&rev_list.args, "--quiet");
if (opt->progress)
argv_array_pushf(&rev_list.args, "--progress=%s",
_("Checking connectivity"));
rev_list.git_cmd = 1;
rev_list.env = opt->env;
rev_list.in = -1;
rev_list.no_stdout = 1;
if (opt->err_fd)
rev_list.err = opt->err_fd;
else
rev_list.no_stderr = opt->quiet;
if (start_command(&rev_list))
return error(_("Could not run 'git rev-list'"));
sigchain_push(SIGPIPE, SIG_IGN);
commit[40] = '\n';
do {
/*
* If index-pack already checked that:
* - there are no dangling pointers in the new pack
* - the pack is self contained
* Then if the updated ref is in the new pack, then we
* are sure the ref is good and not sending it to
* rev-list for verification.
*/
if (new_pack && find_pack_entry_one(sha1, new_pack))
continue;
memcpy(commit, sha1_to_hex(sha1), 40);
if (write_in_full(rev_list.in, commit, 41) < 0) {
if (errno != EPIPE && errno != EINVAL)
error_errno(_("failed write to rev-list"));
err = -1;
break;
}
} while (!fn(cb_data, sha1));
if (close(rev_list.in))
err = error_errno(_("failed to close rev-list's stdin"));
sigchain_pop(SIGPIPE);
return finish_command(&rev_list) || err;
}
static void end_headers(struct strbuf *hdr)
{
strbuf_add(hdr, "\r\n", 2);
write_or_die(1, hdr->buf, hdr->len);
strbuf_release(hdr);
}
/*
* Read a directory tree. We currently ignore anything but
* directories, regular files and symlinks. That's because git
* doesn't handle them at all yet. Maybe that will change some
* day.
*
* Also, we ignore the name ".git" (even if it is not a directory).
* That likely will not change.
*
* Returns the most significant path_treatment value encountered in the scan.
*/
static enum path_treatment read_directory_recursive(struct dir_struct *dir,
const char *base, int baselen,
int check_only,
const struct path_simplify *simplify)
{
DIR *fdir;
enum path_treatment state, subdir_state, dir_state = path_none;
struct dirent *de;
struct strbuf path = STRBUF_INIT;
strbuf_add(&path, base, baselen);
fdir = opendir(path.len ? path.buf : ".");
if (!fdir)
goto out;
while ((de = readdir(fdir)) != NULL) {
/* check how the file or directory should be treated */
state = treat_path(dir, de, &path, baselen, simplify);
if (state > dir_state)
dir_state = state;
/* recurse into subdir if instructed by treat_path */
if (state == path_recurse) {
subdir_state = read_directory_recursive(dir, path.buf,
path.len, check_only, simplify);
if (subdir_state > dir_state)
dir_state = subdir_state;
}
if (check_only) {
/* abort early if maximum state has been reached */
if (dir_state == path_untracked)
break;
/* skip the dir_add_* part */
continue;
}
/* add the path to the appropriate result list */
switch (state) {
case path_excluded:
if (dir->flags & DIR_SHOW_IGNORED)
dir_add_name(dir, path.buf, path.len);
else if ((dir->flags & DIR_SHOW_IGNORED_TOO) ||
((dir->flags & DIR_COLLECT_IGNORED) &&
exclude_matches_pathspec(path.buf, path.len,
simplify)))
dir_add_ignored(dir, path.buf, path.len);
break;
case path_untracked:
if (!(dir->flags & DIR_SHOW_IGNORED))
dir_add_name(dir, path.buf, path.len);
break;
default:
break;
}
}
closedir(fdir);
out:
strbuf_release(&path);
return dir_state;
}
void show_submodule_summary(FILE *f, const char *path,
unsigned char one[20], unsigned char two[20],
unsigned dirty_submodule,
const char *del, const char *add, const char *reset)
{
struct rev_info rev;
struct commit *commit, *left = left, *right = right;
struct commit_list *merge_bases, *list;
const char *message = NULL;
struct strbuf sb = STRBUF_INIT;
static const char *format = " %m %s";
int fast_forward = 0, fast_backward = 0;
if (is_null_sha1(two))
message = "(submodule deleted)";
else if (add_submodule_odb(path))
message = "(not checked out)";
else if (is_null_sha1(one))
message = "(new submodule)";
else if (!(left = lookup_commit_reference(one)) ||
!(right = lookup_commit_reference(two)))
message = "(commits not present)";
if (!message) {
init_revisions(&rev, NULL);
setup_revisions(0, NULL, &rev, NULL);
rev.left_right = 1;
rev.first_parent_only = 1;
left->object.flags |= SYMMETRIC_LEFT;
add_pending_object(&rev, &left->object, path);
add_pending_object(&rev, &right->object, path);
merge_bases = get_merge_bases(left, right, 1);
if (merge_bases) {
if (merge_bases->item == left)
fast_forward = 1;
else if (merge_bases->item == right)
fast_backward = 1;
}
for (list = merge_bases; list; list = list->next) {
list->item->object.flags |= UNINTERESTING;
add_pending_object(&rev, &list->item->object,
sha1_to_hex(list->item->object.sha1));
}
if (prepare_revision_walk(&rev))
message = "(revision walker failed)";
}
strbuf_addf(&sb, "Submodule %s %s..", path,
find_unique_abbrev(one, DEFAULT_ABBREV));
if (!fast_backward && !fast_forward)
strbuf_addch(&sb, '.');
strbuf_addf(&sb, "%s", find_unique_abbrev(two, DEFAULT_ABBREV));
if (dirty_submodule)
strbuf_add(&sb, "-dirty", 6);
if (message)
strbuf_addf(&sb, " %s\n", message);
else
strbuf_addf(&sb, "%s:\n", fast_backward ? " (rewind)" : "");
fwrite(sb.buf, sb.len, 1, f);
if (!message) {
while ((commit = get_revision(&rev))) {
struct pretty_print_context ctx = {0};
ctx.date_mode = rev.date_mode;
strbuf_setlen(&sb, 0);
if (commit->object.flags & SYMMETRIC_LEFT) {
if (del)
strbuf_addstr(&sb, del);
}
else if (add)
strbuf_addstr(&sb, add);
format_commit_message(commit, format, &sb, &ctx);
if (reset)
strbuf_addstr(&sb, reset);
strbuf_addch(&sb, '\n');
fprintf(f, "%s", sb.buf);
}
clear_commit_marks(left, ~0);
clear_commit_marks(right, ~0);
}
strbuf_release(&sb);
}
/*
* Wrap the text, if necessary. The variable indent is the indent for the
* first line, indent2 is the indent for all other lines.
* If indent is negative, assume that already -indent columns have been
* consumed (and no extra indent is necessary for the first line).
*/
void strbuf_add_wrapped_text(struct strbuf *buf,
const char *text, int indent1, int indent2, int width)
{
int indent, w, assume_utf8 = 1;
const char *bol, *space, *start = text;
size_t orig_len = buf->len;
if (width <= 0) {
strbuf_add_indented_text(buf, text, indent1, indent2);
return;
}
retry:
bol = text;
w = indent = indent1;
space = NULL;
if (indent < 0) {
w = -indent;
space = text;
}
for (;;) {
char c;
size_t skip;
while ((skip = display_mode_esc_sequence_len(text)))
text += skip;
c = *text;
if (!c || isspace(c)) {
if (w <= width || !space) {
const char *start = bol;
if (!c && text == start)
return;
if (space)
start = space;
else
strbuf_addchars(buf, ' ', indent);
strbuf_add(buf, start, text - start);
if (!c)
return;
space = text;
if (c == '\t')
w |= 0x07;
else if (c == '\n') {
space++;
if (*space == '\n') {
strbuf_addch(buf, '\n');
goto new_line;
}
else if (!isalnum(*space))
goto new_line;
else
strbuf_addch(buf, ' ');
}
w++;
text++;
}
else {
new_line:
strbuf_addch(buf, '\n');
text = bol = space + isspace(*space);
space = NULL;
w = indent = indent2;
}
continue;
}
if (assume_utf8) {
w += utf8_width(&text, NULL);
if (!text) {
assume_utf8 = 0;
text = start;
strbuf_setlen(buf, orig_len);
goto retry;
}
} else {
w++;
text++;
}
}
}
static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
void *context)
{
struct format_commit_context *c = context;
const struct commit *commit = c->commit;
const char *msg = c->message;
struct commit_list *p;
int h1, h2;
/* these are independent of the commit */
switch (placeholder[0]) {
case 'C':
if (placeholder[1] == '(') {
const char *end = strchr(placeholder + 2, ')');
char color[COLOR_MAXLEN];
if (!end)
return 0;
color_parse_mem(placeholder + 2,
end - (placeholder + 2),
"--pretty format", color);
strbuf_addstr(sb, color);
return end - placeholder + 1;
}
if (!prefixcmp(placeholder + 1, "red")) {
strbuf_addstr(sb, GIT_COLOR_RED);
return 4;
} else if (!prefixcmp(placeholder + 1, "green")) {
strbuf_addstr(sb, GIT_COLOR_GREEN);
return 6;
} else if (!prefixcmp(placeholder + 1, "blue")) {
strbuf_addstr(sb, GIT_COLOR_BLUE);
return 5;
} else if (!prefixcmp(placeholder + 1, "reset")) {
strbuf_addstr(sb, GIT_COLOR_RESET);
return 6;
} else
return 0;
case 'n': /* newline */
strbuf_addch(sb, '\n');
return 1;
case 'x':
/* %x00 == NUL, %x0a == LF, etc. */
if (0 <= (h1 = hexval_table[0xff & placeholder[1]]) &&
h1 <= 16 &&
0 <= (h2 = hexval_table[0xff & placeholder[2]]) &&
h2 <= 16) {
strbuf_addch(sb, (h1<<4)|h2);
return 3;
} else
return 0;
case 'w':
if (placeholder[1] == '(') {
unsigned long width = 0, indent1 = 0, indent2 = 0;
char *next;
const char *start = placeholder + 2;
const char *end = strchr(start, ')');
if (!end)
return 0;
if (end > start) {
width = strtoul(start, &next, 10);
if (*next == ',') {
indent1 = strtoul(next + 1, &next, 10);
if (*next == ',') {
indent2 = strtoul(next + 1,
&next, 10);
}
}
if (*next != ')')
return 0;
}
rewrap_message_tail(sb, c, width, indent1, indent2);
return end - placeholder + 1;
} else
return 0;
}
/* these depend on the commit */
if (!commit->object.parsed)
parse_object(commit->object.sha1);
switch (placeholder[0]) {
case 'H': /* commit hash */
strbuf_addstr(sb, sha1_to_hex(commit->object.sha1));
return 1;
case 'h': /* abbreviated commit hash */
if (add_again(sb, &c->abbrev_commit_hash))
return 1;
strbuf_addstr(sb, find_unique_abbrev(commit->object.sha1,
c->pretty_ctx->abbrev));
c->abbrev_commit_hash.len = sb->len - c->abbrev_commit_hash.off;
return 1;
case 'T': /* tree hash */
strbuf_addstr(sb, sha1_to_hex(commit->tree->object.sha1));
return 1;
case 't': /* abbreviated tree hash */
if (add_again(sb, &c->abbrev_tree_hash))
return 1;
strbuf_addstr(sb, find_unique_abbrev(commit->tree->object.sha1,
c->pretty_ctx->abbrev));
c->abbrev_tree_hash.len = sb->len - c->abbrev_tree_hash.off;
return 1;
case 'P': /* parent hashes */
for (p = commit->parents; p; p = p->next) {
if (p != commit->parents)
strbuf_addch(sb, ' ');
strbuf_addstr(sb, sha1_to_hex(p->item->object.sha1));
}
return 1;
case 'p': /* abbreviated parent hashes */
if (add_again(sb, &c->abbrev_parent_hashes))
return 1;
for (p = commit->parents; p; p = p->next) {
if (p != commit->parents)
strbuf_addch(sb, ' ');
strbuf_addstr(sb, find_unique_abbrev(
p->item->object.sha1,
c->pretty_ctx->abbrev));
}
c->abbrev_parent_hashes.len = sb->len -
c->abbrev_parent_hashes.off;
return 1;
case 'm': /* left/right/bottom */
strbuf_addstr(sb, get_revision_mark(NULL, commit));
return 1;
case 'd':
format_decoration(sb, commit);
return 1;
case 'g': /* reflog info */
switch(placeholder[1]) {
case 'd': /* reflog selector */
case 'D':
if (c->pretty_ctx->reflog_info)
get_reflog_selector(sb,
c->pretty_ctx->reflog_info,
c->pretty_ctx->date_mode,
(placeholder[1] == 'd'));
return 2;
case 's': /* reflog message */
if (c->pretty_ctx->reflog_info)
get_reflog_message(sb, c->pretty_ctx->reflog_info);
return 2;
}
return 0; /* unknown %g placeholder */
case 'N':
if (c->pretty_ctx->show_notes) {
format_display_notes(commit->object.sha1, sb,
get_log_output_encoding(), 0);
return 1;
}
return 0;
}
if (placeholder[0] == 'G') {
if (!c->commit_signature_parsed)
parse_commit_signature(c);
switch (placeholder[1]) {
case 'G':
if (c->signature.gpg_output)
strbuf_addstr(sb, c->signature.gpg_output);
break;
case '?':
switch (c->signature.good_bad) {
case 'G':
case 'B':
strbuf_addch(sb, c->signature.good_bad);
}
break;
case 'S':
if (c->signature.signer)
strbuf_addstr(sb, c->signature.signer);
break;
}
return 2;
}
/* For the rest we have to parse the commit header. */
if (!c->commit_header_parsed)
parse_commit_header(c);
switch (placeholder[0]) {
case 'a': /* author ... */
return format_person_part(sb, placeholder[1],
msg + c->author.off, c->author.len,
c->pretty_ctx->date_mode);
case 'c': /* committer ... */
return format_person_part(sb, placeholder[1],
msg + c->committer.off, c->committer.len,
c->pretty_ctx->date_mode);
case 'e': /* encoding */
strbuf_add(sb, msg + c->encoding.off, c->encoding.len);
return 1;
case 'B': /* raw body */
/* message_off is always left at the initial newline */
strbuf_addstr(sb, msg + c->message_off + 1);
return 1;
}
/* Now we need to parse the commit message. */
if (!c->commit_message_parsed)
parse_commit_message(c);
switch (placeholder[0]) {
case 's': /* subject */
format_subject(sb, msg + c->subject_off, " ");
return 1;
case 'f': /* sanitized subject */
format_sanitized_subject(sb, msg + c->subject_off);
return 1;
case 'b': /* body */
strbuf_addstr(sb, msg + c->body_off);
return 1;
}
return 0; /* unknown placeholder */
}
static size_t format_person_part(struct strbuf *sb, char part,
const char *msg, int len, enum date_mode dmode)
{
/* currently all placeholders have same length */
const int placeholder_len = 2;
int start, end, tz = 0;
unsigned long date = 0;
char *ep;
const char *name_start, *name_end, *mail_start, *mail_end, *msg_end = msg+len;
char person_name[1024];
char person_mail[1024];
/* advance 'end' to point to email start delimiter */
for (end = 0; end < len && msg[end] != '<'; end++)
; /* do nothing */
/*
* When end points at the '<' that we found, it should have
* matching '>' later, which means 'end' must be strictly
* below len - 1.
*/
if (end >= len - 2)
goto skip;
/* Seek for both name and email part */
name_start = msg;
name_end = msg+end;
while (name_end > name_start && isspace(*(name_end-1)))
name_end--;
mail_start = msg+end+1;
mail_end = mail_start;
while (mail_end < msg_end && *mail_end != '>')
mail_end++;
if (mail_end == msg_end)
goto skip;
end = mail_end-msg;
if (part == 'N' || part == 'E') { /* mailmap lookup */
strlcpy(person_name, name_start, name_end-name_start+1);
strlcpy(person_mail, mail_start, mail_end-mail_start+1);
mailmap_name(person_mail, sizeof(person_mail), person_name, sizeof(person_name));
name_start = person_name;
name_end = name_start + strlen(person_name);
mail_start = person_mail;
mail_end = mail_start + strlen(person_mail);
}
if (part == 'n' || part == 'N') { /* name */
strbuf_add(sb, name_start, name_end-name_start);
return placeholder_len;
}
if (part == 'e' || part == 'E') { /* email */
strbuf_add(sb, mail_start, mail_end-mail_start);
return placeholder_len;
}
/* advance 'start' to point to date start delimiter */
for (start = end + 1; start < len && isspace(msg[start]); start++)
; /* do nothing */
if (start >= len)
goto skip;
date = strtoul(msg + start, &ep, 10);
if (msg + start == ep)
goto skip;
if (part == 't') { /* date, UNIX timestamp */
strbuf_add(sb, msg + start, ep - (msg + start));
return placeholder_len;
}
/* parse tz */
for (start = ep - msg + 1; start < len && isspace(msg[start]); start++)
; /* do nothing */
if (start + 1 < len) {
tz = strtoul(msg + start + 1, NULL, 10);
if (msg[start] == '-')
tz = -tz;
}
switch (part) {
case 'd': /* date */
strbuf_addstr(sb, show_date(date, tz, dmode));
return placeholder_len;
case 'D': /* date, RFC2822 style */
strbuf_addstr(sb, show_date(date, tz, DATE_RFC2822));
return placeholder_len;
case 'r': /* date, relative */
strbuf_addstr(sb, show_date(date, tz, DATE_RELATIVE));
return placeholder_len;
case 'i': /* date, ISO 8601 */
strbuf_addstr(sb, show_date(date, tz, DATE_ISO8601));
return placeholder_len;
}
skip:
/*
* bogus commit, 'sb' cannot be updated, but we still need to
* compute a valid return value.
*/
if (part == 'n' || part == 'e' || part == 't' || part == 'd'
|| part == 'D' || part == 'r' || part == 'i')
return placeholder_len;
return 0; /* unknown placeholder */
}
/**
* Given a fd, read stuff into pushobj
*/
static int read_pobj(FILE * fp, struct pushobj *po)
{
int ii;
int head = 0;
char * cbuf = NULL;
struct strbuf buf = STRBUF_INIT;
struct strbuf sig = STRBUF_INIT;
struct string_list list;
pobj_release(po);
memset(&list, 0, sizeof(struct string_list));
memset(po->head, 0, 40);
while (strbuf_getline(&buf, fp, '\n') != EOF) {
if (strncmp(buf.buf, PGP_SIGNATURE, strlen(PGP_SIGNATURE)) == 0)
break;
// check to see if this is the HEAD ref
if (strncmp(buf.buf + 41, "HEAD", 4) == 0) {
strncpy(po->head, buf.buf, 40);
head = 1;
continue;
}
cbuf = (char*)malloc(buf.len);
strcpy(cbuf, buf.buf);
string_list_append(cbuf, &list);
}
if (!head)
die("pushobject did not contain HEAD ref");
po->lines = list.nr;
po->refs = (char**)malloc(sizeof(char*) * list.nr);
for (ii = 0; ii < list.nr; ii++) {
po->refs[ii] = (char*)malloc(strlen(list.items[ii].string) + 1);
strcpy(po->refs[ii], list.items[ii].string);
}
// rest of the stuff is signature
strbuf_add(&sig, buf.buf, buf.len);
strbuf_addstr(&sig, "\n");
while (strbuf_getline(&buf, fp, '\n') != EOF) {
strbuf_add(&sig, buf.buf, buf.len);
strbuf_addstr(&sig, "\n");
if (strncmp(buf.buf, END_PGP_SIGNATURE, strlen(END_PGP_SIGNATURE)) == 0)
break;
}
po->signature = (char*)malloc(sig.len);
strcpy(po->signature, sig.buf);
memset(po->prev, 0, 40);
// now the rest of the stuff is the prev pointer
if (strbuf_getline(&buf, fp, '\n') != EOF) {
strncpy(po->prev, buf.buf, 40);
po->prev[40] = '\0';
}
strbuf_release(&buf);
strbuf_release(&sig);
string_list_clear(&list, 0);
return 1;
}
static int update_one(struct cache_tree *it,
struct cache_entry **cache,
int entries,
const char *base,
int baselen,
int missing_ok,
int dryrun)
{
struct strbuf buffer;
int i;
if (0 <= it->entry_count && has_sha1_file(it->sha1))
return it->entry_count;
/*
* We first scan for subtrees and update them; we start by
* marking existing subtrees -- the ones that are unmarked
* should not be in the result.
*/
for (i = 0; i < it->subtree_nr; i++)
it->down[i]->used = 0;
/*
* Find the subtrees and update them.
*/
for (i = 0; i < entries; i++) {
struct cache_entry *ce = cache[i];
struct cache_tree_sub *sub;
const char *path, *slash;
int pathlen, sublen, subcnt;
path = ce->name;
pathlen = ce_namelen(ce);
if (pathlen <= baselen || memcmp(base, path, baselen))
break; /* at the end of this level */
slash = strchr(path + baselen, '/');
if (!slash)
continue;
/*
* a/bbb/c (base = a/, slash = /c)
* ==>
* path+baselen = bbb/c, sublen = 3
*/
sublen = slash - (path + baselen);
sub = find_subtree(it, path + baselen, sublen, 1);
if (!sub->cache_tree)
sub->cache_tree = cache_tree();
subcnt = update_one(sub->cache_tree,
cache + i, entries - i,
path,
baselen + sublen + 1,
missing_ok,
dryrun);
if (subcnt < 0)
return subcnt;
i += subcnt - 1;
sub->used = 1;
}
discard_unused_subtrees(it);
/*
* Then write out the tree object for this level.
*/
strbuf_init(&buffer, 8192);
for (i = 0; i < entries; i++) {
struct cache_entry *ce = cache[i];
struct cache_tree_sub *sub;
const char *path, *slash;
int pathlen, entlen;
const unsigned char *sha1;
unsigned mode;
path = ce->name;
pathlen = ce_namelen(ce);
if (pathlen <= baselen || memcmp(base, path, baselen))
break; /* at the end of this level */
slash = strchr(path + baselen, '/');
if (slash) {
entlen = slash - (path + baselen);
sub = find_subtree(it, path + baselen, entlen, 0);
if (!sub)
die("cache-tree.c: '%.*s' in '%s' not found",
entlen, path + baselen, path);
i += sub->cache_tree->entry_count - 1;
sha1 = sub->cache_tree->sha1;
mode = S_IFDIR;
}
else {
sha1 = ce->sha1;
mode = ce->ce_mode;
entlen = pathlen - baselen;
}
if (mode != S_IFGITLINK && !missing_ok && !has_sha1_file(sha1))
return error("invalid object %s", sha1_to_hex(sha1));
if (ce->ce_flags & CE_REMOVE)
continue; /* entry being removed */
strbuf_grow(&buffer, entlen + 100);
strbuf_addf(&buffer, "%o %.*s%c", mode, entlen, path + baselen, '\0');
strbuf_add(&buffer, sha1, 20);
#if DEBUG
fprintf(stderr, "cache-tree update-one %o %.*s\n",
mode, entlen, path + baselen);
#endif
}
if (dryrun)
hash_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1);
else if (write_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1)) {
strbuf_release(&buffer);
return -1;
}
strbuf_release(&buffer);
it->entry_count = i;
#if DEBUG
fprintf(stderr, "cache-tree update-one (%d ent, %d subtree) %s\n",
it->entry_count, it->subtree_nr,
sha1_to_hex(it->sha1));
#endif
return i;
}
void create_branch(const char *head,
const char *name, const char *start_name,
int force, int reflog, enum branch_track track)
{
struct ref_lock *lock;
struct commit *commit;
unsigned char sha1[20];
char *real_ref, msg[PATH_MAX + 20];
struct strbuf ref = STRBUF_INIT;
int forcing = 0;
int len;
len = strlen(name);
if (interpret_nth_last_branch(name, &ref) != len) {
strbuf_reset(&ref);
strbuf_add(&ref, name, len);
}
strbuf_splice(&ref, 0, 0, "refs/heads/", 11);
if (check_ref_format(ref.buf))
die("'%s' is not a valid branch name.", name);
if (resolve_ref(ref.buf, sha1, 1, NULL)) {
if (!force)
die("A branch named '%s' already exists.", name);
else if (!is_bare_repository() && !strcmp(head, name))
die("Cannot force update the current branch.");
forcing = 1;
}
real_ref = NULL;
if (get_sha1(start_name, sha1))
die("Not a valid object name: '%s'.", start_name);
switch (dwim_ref(start_name, strlen(start_name), sha1, &real_ref)) {
case 0:
/* Not branching from any existing branch */
if (track == BRANCH_TRACK_EXPLICIT)
die("Cannot setup tracking information; starting point is not a branch.");
break;
case 1:
/* Unique completion -- good, only if it is a real ref */
if (track == BRANCH_TRACK_EXPLICIT && !strcmp(real_ref, "HEAD"))
die("Cannot setup tracking information; starting point is not a branch.");
break;
default:
die("Ambiguous object name: '%s'.", start_name);
break;
}
if ((commit = lookup_commit_reference(sha1)) == NULL)
die("Not a valid branch point: '%s'.", start_name);
hashcpy(sha1, commit->object.sha1);
lock = lock_any_ref_for_update(ref.buf, NULL, 0);
if (!lock)
die("Failed to lock ref for update: %s.", strerror(errno));
if (reflog)
log_all_ref_updates = 1;
if (forcing)
snprintf(msg, sizeof msg, "branch: Reset from %s",
start_name);
else
snprintf(msg, sizeof msg, "branch: Created from %s",
start_name);
if (real_ref && track)
setup_tracking(name, real_ref, track);
if (write_ref_sha1(lock, sha1, msg) < 0)
die("Failed to write ref: %s.", strerror(errno));
strbuf_release(&ref);
free(real_ref);
}
static void insert_one_record(struct shortlog *log,
const char *author,
const char *oneline)
{
const char *dot3 = log->common_repo_prefix;
char *buffer, *p;
struct string_list_item *item;
const char *mailbuf, *namebuf;
size_t namelen, maillen;
const char *eol;
struct strbuf subject = STRBUF_INIT;
struct strbuf namemailbuf = STRBUF_INIT;
struct ident_split ident;
if (split_ident_line(&ident, author, strlen(author)))
return;
namebuf = ident.name_begin;
mailbuf = ident.mail_begin;
namelen = ident.name_end - ident.name_begin;
maillen = ident.mail_end - ident.mail_begin;
map_user(&log->mailmap, &mailbuf, &maillen, &namebuf, &namelen);
strbuf_add(&namemailbuf, namebuf, namelen);
if (log->email)
strbuf_addf(&namemailbuf, " <%.*s>", (int)maillen, mailbuf);
item = string_list_insert(&log->list, namemailbuf.buf);
if (item->util == NULL)
item->util = xcalloc(1, sizeof(struct string_list));
/* Skip any leading whitespace, including any blank lines. */
while (*oneline && isspace(*oneline))
oneline++;
eol = strchr(oneline, '\n');
if (!eol)
eol = oneline + strlen(oneline);
if (!prefixcmp(oneline, "[PATCH")) {
char *eob = strchr(oneline, ']');
if (eob && (!eol || eob < eol))
oneline = eob + 1;
}
while (*oneline && isspace(*oneline) && *oneline != '\n')
oneline++;
format_subject(&subject, oneline, " ");
buffer = strbuf_detach(&subject, NULL);
if (dot3) {
int dot3len = strlen(dot3);
if (dot3len > 5) {
while ((p = strstr(buffer, dot3)) != NULL) {
int taillen = strlen(p) - dot3len;
memcpy(p, "/.../", 5);
memmove(p + 5, p + dot3len, taillen + 1);
}
}
}
string_list_append(item->util, buffer);
}
static int merge(int argc, const char **argv, const char *prefix)
{
struct strbuf remote_ref = STRBUF_INIT, msg = STRBUF_INIT;
struct object_id result_oid;
struct notes_tree *t;
struct notes_merge_options o;
int do_merge = 0, do_commit = 0, do_abort = 0;
int verbosity = 0, result;
const char *strategy = NULL;
struct option options[] = {
OPT_GROUP(N_("General options")),
OPT__VERBOSITY(&verbosity),
OPT_GROUP(N_("Merge options")),
OPT_STRING('s', "strategy", &strategy, N_("strategy"),
N_("resolve notes conflicts using the given strategy "
"(manual/ours/theirs/union/cat_sort_uniq)")),
OPT_GROUP(N_("Committing unmerged notes")),
{ OPTION_SET_INT, 0, "commit", &do_commit, NULL,
N_("finalize notes merge by committing unmerged notes"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1},
OPT_GROUP(N_("Aborting notes merge resolution")),
{ OPTION_SET_INT, 0, "abort", &do_abort, NULL,
N_("abort notes merge"),
PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1},
OPT_END()
};
argc = parse_options(argc, argv, prefix, options,
git_notes_merge_usage, 0);
if (strategy || do_commit + do_abort == 0)
do_merge = 1;
if (do_merge + do_commit + do_abort != 1) {
error(_("cannot mix --commit, --abort or -s/--strategy"));
usage_with_options(git_notes_merge_usage, options);
}
if (do_merge && argc != 1) {
error(_("must specify a notes ref to merge"));
usage_with_options(git_notes_merge_usage, options);
} else if (!do_merge && argc) {
error(_("too many parameters"));
usage_with_options(git_notes_merge_usage, options);
}
init_notes_merge_options(&o);
o.verbosity = verbosity + NOTES_MERGE_VERBOSITY_DEFAULT;
if (do_abort)
return merge_abort(&o);
if (do_commit)
return merge_commit(&o);
o.local_ref = default_notes_ref();
strbuf_addstr(&remote_ref, argv[0]);
expand_loose_notes_ref(&remote_ref);
o.remote_ref = remote_ref.buf;
t = init_notes_check("merge", NOTES_INIT_WRITABLE);
if (strategy) {
if (parse_notes_merge_strategy(strategy, &o.strategy)) {
error(_("unknown -s/--strategy: %s"), strategy);
usage_with_options(git_notes_merge_usage, options);
}
} else {
struct strbuf merge_key = STRBUF_INIT;
const char *short_ref = NULL;
if (!skip_prefix(o.local_ref, "refs/notes/", &short_ref))
die("BUG: local ref %s is outside of refs/notes/",
o.local_ref);
strbuf_addf(&merge_key, "notes.%s.mergeStrategy", short_ref);
if (git_config_get_notes_strategy(merge_key.buf, &o.strategy))
git_config_get_notes_strategy("notes.mergeStrategy", &o.strategy);
strbuf_release(&merge_key);
}
strbuf_addf(&msg, "notes: Merged notes from %s into %s",
remote_ref.buf, default_notes_ref());
strbuf_add(&(o.commit_msg), msg.buf + 7, msg.len - 7); /* skip "notes: " */
result = notes_merge(&o, t, &result_oid);
if (result >= 0) /* Merge resulted (trivially) in result_oid */
/* Update default notes ref with new commit */
update_ref(msg.buf, default_notes_ref(), result_oid.hash, NULL,
0, UPDATE_REFS_DIE_ON_ERR);
else { /* Merge has unresolved conflicts */
const struct worktree *wt;
/* Update .git/NOTES_MERGE_PARTIAL with partial merge result */
update_ref(msg.buf, "NOTES_MERGE_PARTIAL", result_oid.hash, NULL,
0, UPDATE_REFS_DIE_ON_ERR);
/* Store ref-to-be-updated into .git/NOTES_MERGE_REF */
wt = find_shared_symref("NOTES_MERGE_REF", default_notes_ref());
if (wt)
die(_("a notes merge into %s is already in-progress at %s"),
default_notes_ref(), wt->path);
if (create_symref("NOTES_MERGE_REF", default_notes_ref(), NULL))
die(_("failed to store link to current notes ref (%s)"),
default_notes_ref());
printf(_("Automatic notes merge failed. Fix conflicts in %s and "
"commit the result with 'git notes merge --commit', or "
"abort the merge with 'git notes merge --abort'.\n"),
git_path(NOTES_MERGE_WORKTREE));
}
free_notes(t);
strbuf_release(&remote_ref);
strbuf_release(&msg);
return result < 0; /* return non-zero on conflicts */
}
static int prepare_to_commit(const char *index_file, const char *prefix,
struct commit *current_head,
struct wt_status *s,
struct strbuf *author_ident)
{
struct stat statbuf;
struct strbuf committer_ident = STRBUF_INIT;
int commitable, saved_color_setting;
struct strbuf sb = STRBUF_INIT;
char *buffer;
const char *hook_arg1 = NULL;
const char *hook_arg2 = NULL;
int ident_shown = 0;
int clean_message_contents = (cleanup_mode != CLEANUP_NONE);
/* This checks and barfs if author is badly specified */
determine_author_info(author_ident);
if (!no_verify && run_hook(index_file, "pre-commit", NULL))
return 0;
if (squash_message) {
/*
* Insert the proper subject line before other commit
* message options add their content.
*/
if (use_message && !strcmp(use_message, squash_message))
strbuf_addstr(&sb, "squash! ");
else {
struct pretty_print_context ctx = {0};
struct commit *c;
c = lookup_commit_reference_by_name(squash_message);
if (!c)
die(_("could not lookup commit %s"), squash_message);
ctx.output_encoding = get_commit_output_encoding();
format_commit_message(c, "squash! %s\n\n", &sb,
&ctx);
}
}
if (message.len) {
strbuf_addbuf(&sb, &message);
hook_arg1 = "message";
} else if (logfile && !strcmp(logfile, "-")) {
if (isatty(0))
fprintf(stderr, _("(reading log message from standard input)\n"));
if (strbuf_read(&sb, 0, 0) < 0)
die_errno(_("could not read log from standard input"));
hook_arg1 = "message";
} else if (logfile) {
if (strbuf_read_file(&sb, logfile, 0) < 0)
die_errno(_("could not read log file '%s'"),
logfile);
hook_arg1 = "message";
} else if (use_message) {
buffer = strstr(use_message_buffer, "\n\n");
if (!use_editor && (!buffer || buffer[2] == '\0'))
die(_("commit has empty message"));
strbuf_add(&sb, buffer + 2, strlen(buffer + 2));
hook_arg1 = "commit";
hook_arg2 = use_message;
} else if (fixup_message) {
struct pretty_print_context ctx = {0};
struct commit *commit;
commit = lookup_commit_reference_by_name(fixup_message);
if (!commit)
die(_("could not lookup commit %s"), fixup_message);
ctx.output_encoding = get_commit_output_encoding();
format_commit_message(commit, "fixup! %s\n\n",
&sb, &ctx);
hook_arg1 = "message";
} else if (!stat(git_path("MERGE_MSG"), &statbuf)) {
if (strbuf_read_file(&sb, git_path("MERGE_MSG"), 0) < 0)
die_errno(_("could not read MERGE_MSG"));
hook_arg1 = "merge";
} else if (!stat(git_path("SQUASH_MSG"), &statbuf)) {
if (strbuf_read_file(&sb, git_path("SQUASH_MSG"), 0) < 0)
die_errno(_("could not read SQUASH_MSG"));
hook_arg1 = "squash";
} else if (template_file) {
if (strbuf_read_file(&sb, template_file, 0) < 0)
die_errno(_("could not read '%s'"), template_file);
hook_arg1 = "template";
clean_message_contents = 0;
}
/*
* The remaining cases don't modify the template message, but
* just set the argument(s) to the prepare-commit-msg hook.
*/
else if (whence == FROM_MERGE)
hook_arg1 = "merge";
else if (whence == FROM_CHERRY_PICK) {
hook_arg1 = "commit";
hook_arg2 = "CHERRY_PICK_HEAD";
}
if (squash_message) {
/*
* If squash_commit was used for the commit subject,
* then we're possibly hijacking other commit log options.
* Reset the hook args to tell the real story.
*/
hook_arg1 = "message";
hook_arg2 = "";
}
s->fp = fopen(git_path(commit_editmsg), "w");
if (s->fp == NULL)
die_errno(_("could not open '%s'"), git_path(commit_editmsg));
if (clean_message_contents)
stripspace(&sb, 0);
if (signoff) {
/*
* See if we have a Conflicts: block at the end. If yes, count
* its size, so we can ignore it.
*/
int ignore_footer = 0;
int i, eol, previous = 0;
const char *nl;
for (i = 0; i < sb.len; i++) {
nl = memchr(sb.buf + i, '\n', sb.len - i);
if (nl)
eol = nl - sb.buf;
else
eol = sb.len;
if (!prefixcmp(sb.buf + previous, "\nConflicts:\n")) {
ignore_footer = sb.len - previous;
break;
}
while (i < eol)
i++;
previous = eol;
}
append_signoff(&sb, ignore_footer);
}
if (fwrite(sb.buf, 1, sb.len, s->fp) < sb.len)
die_errno(_("could not write commit template"));
strbuf_release(&sb);
/* This checks if committer ident is explicitly given */
strbuf_addstr(&committer_ident, git_committer_info(IDENT_STRICT));
if (use_editor && include_status) {
char *ai_tmp, *ci_tmp;
if (whence != FROM_COMMIT)
status_printf_ln(s, GIT_COLOR_NORMAL,
whence == FROM_MERGE
? _("\n"
"It looks like you may be committing a merge.\n"
"If this is not correct, please remove the file\n"
" %s\n"
"and try again.\n")
: _("\n"
"It looks like you may be committing a cherry-pick.\n"
"If this is not correct, please remove the file\n"
" %s\n"
"and try again.\n"),
git_path(whence == FROM_MERGE
? "MERGE_HEAD"
: "CHERRY_PICK_HEAD"));
fprintf(s->fp, "\n");
if (cleanup_mode == CLEANUP_ALL)
status_printf(s, GIT_COLOR_NORMAL,
_("Please enter the commit message for your changes."
" Lines starting\nwith '#' will be ignored, and an empty"
" message aborts the commit.\n"));
else /* CLEANUP_SPACE, that is. */
status_printf(s, GIT_COLOR_NORMAL,
_("Please enter the commit message for your changes."
" Lines starting\n"
"with '#' will be kept; you may remove them"
" yourself if you want to.\n"
"An empty message aborts the commit.\n"));
if (only_include_assumed)
status_printf_ln(s, GIT_COLOR_NORMAL,
"%s", only_include_assumed);
ai_tmp = cut_ident_timestamp_part(author_ident->buf);
ci_tmp = cut_ident_timestamp_part(committer_ident.buf);
if (strcmp(author_ident->buf, committer_ident.buf))
status_printf_ln(s, GIT_COLOR_NORMAL,
_("%s"
"Author: %s"),
ident_shown++ ? "" : "\n",
author_ident->buf);
if (!committer_ident_sufficiently_given())
status_printf_ln(s, GIT_COLOR_NORMAL,
_("%s"
"Committer: %s"),
ident_shown++ ? "" : "\n",
committer_ident.buf);
if (ident_shown)
status_printf_ln(s, GIT_COLOR_NORMAL, "");
saved_color_setting = s->use_color;
s->use_color = 0;
commitable = run_status(s->fp, index_file, prefix, 1, s);
s->use_color = saved_color_setting;
*ai_tmp = ' ';
*ci_tmp = ' ';
} else {
unsigned char sha1[20];
const char *parent = "HEAD";
if (!active_nr && read_cache() < 0)
die(_("Cannot read index"));
if (amend)
parent = "HEAD^1";
if (get_sha1(parent, sha1))
commitable = !!active_nr;
else
commitable = index_differs_from(parent, 0);
}
strbuf_release(&committer_ident);
fclose(s->fp);
/*
* Reject an attempt to record a non-merge empty commit without
* explicit --allow-empty. In the cherry-pick case, it may be
* empty due to conflict resolution, which the user should okay.
*/
if (!commitable && whence != FROM_MERGE && !allow_empty &&
!(amend && is_a_merge(current_head))) {
run_status(stdout, index_file, prefix, 0, s);
if (amend)
fputs(_(empty_amend_advice), stderr);
else if (whence == FROM_CHERRY_PICK)
fputs(_(empty_cherry_pick_advice), stderr);
return 0;
}
/*
* Re-read the index as pre-commit hook could have updated it,
* and write it out as a tree. We must do this before we invoke
* the editor and after we invoke run_status above.
*/
discard_cache();
read_cache_from(index_file);
if (update_main_cache_tree(0)) {
error(_("Error building trees"));
return 0;
}
if (run_hook(index_file, "prepare-commit-msg",
git_path(commit_editmsg), hook_arg1, hook_arg2, NULL))
return 0;
if (use_editor) {
char index[PATH_MAX];
const char *env[2] = { NULL };
env[0] = index;
snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
if (launch_editor(git_path(commit_editmsg), NULL, env)) {
fprintf(stderr,
_("Please supply the message using either -m or -F option.\n"));
exit(1);
}
}
if (!no_verify &&
run_hook(index_file, "commit-msg", git_path(commit_editmsg), NULL)) {
return 0;
}
return 1;
}
static void strbuf_out(struct grep_opt *opt, const void *buf, size_t size)
{
struct work_item *w = opt->output_priv;
strbuf_add(&w->out, buf, size);
}
/*
* Create a newly-allocated `snapshot` of the `packed-refs` file in
* its current state and return it. The return value will already have
* its reference count incremented.
*
* A comment line of the form "# pack-refs with: " may contain zero or
* more traits. We interpret the traits as follows:
*
* Neither `peeled` nor `fully-peeled`:
*
* Probably no references are peeled. But if the file contains a
* peeled value for a reference, we will use it.
*
* `peeled`:
*
* References under "refs/tags/", if they *can* be peeled, *are*
* peeled in this file. References outside of "refs/tags/" are
* probably not peeled even if they could have been, but if we find
* a peeled value for such a reference we will use it.
*
* `fully-peeled`:
*
* All references in the file that can be peeled are peeled.
* Inversely (and this is more important), any references in the
* file for which no peeled value is recorded is not peelable. This
* trait should typically be written alongside "peeled" for
* compatibility with older clients, but we do not require it
* (i.e., "peeled" is a no-op if "fully-peeled" is set).
*
* `sorted`:
*
* The references in this file are known to be sorted by refname.
*/
static struct snapshot *create_snapshot(struct packed_ref_store *refs)
{
struct snapshot *snapshot = xcalloc(1, sizeof(*snapshot));
int sorted = 0;
snapshot->refs = refs;
acquire_snapshot(snapshot);
snapshot->peeled = PEELED_NONE;
if (!load_contents(snapshot))
return snapshot;
/* If the file has a header line, process it: */
if (snapshot->buf < snapshot->eof && *snapshot->buf == '#') {
struct strbuf tmp = STRBUF_INIT;
char *p;
const char *eol;
struct string_list traits = STRING_LIST_INIT_NODUP;
eol = memchr(snapshot->buf, '\n',
snapshot->eof - snapshot->buf);
if (!eol)
die_unterminated_line(refs->path,
snapshot->buf,
snapshot->eof - snapshot->buf);
strbuf_add(&tmp, snapshot->buf, eol - snapshot->buf);
if (!skip_prefix(tmp.buf, "# pack-refs with:", (const char **)&p))
die_invalid_line(refs->path,
snapshot->buf,
snapshot->eof - snapshot->buf);
string_list_split_in_place(&traits, p, ' ', -1);
if (unsorted_string_list_has_string(&traits, "fully-peeled"))
snapshot->peeled = PEELED_FULLY;
else if (unsorted_string_list_has_string(&traits, "peeled"))
snapshot->peeled = PEELED_TAGS;
sorted = unsorted_string_list_has_string(&traits, "sorted");
/* perhaps other traits later as well */
/* The "+ 1" is for the LF character. */
snapshot->header_len = eol + 1 - snapshot->buf;
string_list_clear(&traits, 0);
strbuf_release(&tmp);
}
verify_buffer_safe(snapshot);
if (!sorted) {
sort_snapshot(snapshot);
/*
* Reordering the records might have moved a short one
* to the end of the buffer, so verify the buffer's
* safety again:
*/
verify_buffer_safe(snapshot);
}
if (mmap_strategy != MMAP_OK && snapshot->mmapped) {
/*
* We don't want to leave the file mmapped, so we are
* forced to make a copy now:
*/
size_t size = snapshot->eof -
(snapshot->buf + snapshot->header_len);
char *buf_copy = xmalloc(size);
memcpy(buf_copy, snapshot->buf + snapshot->header_len, size);
clear_snapshot_buffer(snapshot);
snapshot->buf = buf_copy;
snapshot->eof = buf_copy + size;
}
return snapshot;
}
void format_note(struct notes_tree *t, const unsigned char *object_sha1,
struct strbuf *sb, const char *output_encoding, int flags)
{
static const char utf8[] = "utf-8";
const unsigned char *sha1;
char *msg, *msg_p;
unsigned long linelen, msglen;
enum object_type type;
if (!t)
t = &default_notes_tree;
if (!t->initialized)
init_notes(t, NULL, NULL, 0);
sha1 = get_note(t, object_sha1);
if (!sha1)
return;
if (!(msg = read_sha1_file(sha1, &type, &msglen)) || !msglen ||
type != OBJ_BLOB) {
free(msg);
return;
}
if (output_encoding && *output_encoding &&
strcmp(utf8, output_encoding)) {
char *reencoded = reencode_string(msg, output_encoding, utf8);
if (reencoded) {
free(msg);
msg = reencoded;
msglen = strlen(msg);
}
}
/* we will end the annotation by a newline anyway */
if (msglen && msg[msglen - 1] == '\n')
msglen--;
if (flags & NOTES_SHOW_HEADER) {
const char *ref = t->ref;
if (!ref || !strcmp(ref, GIT_NOTES_DEFAULT_REF)) {
strbuf_addstr(sb, "\nNotes:\n");
} else {
if (!prefixcmp(ref, "refs/"))
ref += 5;
if (!prefixcmp(ref, "notes/"))
ref += 6;
strbuf_addf(sb, "\nNotes (%s):\n", ref);
}
}
for (msg_p = msg; msg_p < msg + msglen; msg_p += linelen + 1) {
linelen = strchrnul(msg_p, '\n') - msg_p;
if (flags & NOTES_INDENT)
strbuf_addstr(sb, " ");
strbuf_add(sb, msg_p, linelen);
strbuf_addch(sb, '\n');
}
free(msg);
}
/*
* new path should be added to combine diff
*
* 3 cases on how/when it should be called and behaves:
*
* t, !tp -> path added, all parents lack it
* !t, tp -> path removed from all parents
* t, tp -> path modified/added
* (M for tp[i]=tp[imin], A otherwise)
*/
static struct combine_diff_path *emit_path(struct combine_diff_path *p,
struct strbuf *base, struct diff_options *opt, int nparent,
struct tree_desc *t, struct tree_desc *tp,
int imin)
{
unsigned mode;
const char *path;
const unsigned char *sha1;
int pathlen;
int old_baselen = base->len;
int i, isdir, recurse = 0, emitthis = 1;
/* at least something has to be valid */
assert(t || tp);
if (t) {
/* path present in resulting tree */
sha1 = tree_entry_extract(t, &path, &mode);
pathlen = tree_entry_len(&t->entry);
isdir = S_ISDIR(mode);
} else {
/*
* a path was removed - take path from imin parent. Also take
* mode from that parent, to decide on recursion(1).
*
* 1) all modes for tp[i]=tp[imin] should be the same wrt
* S_ISDIR, thanks to base_name_compare().
*/
tree_entry_extract(&tp[imin], &path, &mode);
pathlen = tree_entry_len(&tp[imin].entry);
isdir = S_ISDIR(mode);
sha1 = NULL;
mode = 0;
}
if (DIFF_OPT_TST(opt, RECURSIVE) && isdir) {
recurse = 1;
emitthis = DIFF_OPT_TST(opt, TREE_IN_RECURSIVE);
}
if (emitthis) {
int keep;
struct combine_diff_path *pprev = p;
p = path_appendnew(p, nparent, base, path, pathlen, mode, sha1);
for (i = 0; i < nparent; ++i) {
/*
* tp[i] is valid, if present and if tp[i]==tp[imin] -
* otherwise, we should ignore it.
*/
int tpi_valid = tp && !(tp[i].entry.mode & S_IFXMIN_NEQ);
const unsigned char *sha1_i;
unsigned mode_i;
p->parent[i].status =
!t ? DIFF_STATUS_DELETED :
tpi_valid ?
DIFF_STATUS_MODIFIED :
DIFF_STATUS_ADDED;
if (tpi_valid) {
sha1_i = tp[i].entry.sha1;
mode_i = tp[i].entry.mode;
}
else {
sha1_i = NULL;
mode_i = 0;
}
p->parent[i].mode = mode_i;
hashcpy(p->parent[i].oid.hash, sha1_i ? sha1_i : null_sha1);
}
keep = 1;
if (opt->pathchange)
keep = opt->pathchange(opt, p);
/*
* If a path was filtered or consumed - we don't need to add it
* to the list and can reuse its memory, leaving it as
* pre-allocated element on the tail.
*
* On the other hand, if path needs to be kept, we need to
* correct its .next to NULL, as it was pre-initialized to how
* much memory was allocated.
*
* see path_appendnew() for details.
*/
if (!keep)
p = pprev;
else
p->next = NULL;
}
if (recurse) {
const unsigned char **parents_sha1;
parents_sha1 = xalloca(nparent * sizeof(parents_sha1[0]));
for (i = 0; i < nparent; ++i) {
/* same rule as in emitthis */
int tpi_valid = tp && !(tp[i].entry.mode & S_IFXMIN_NEQ);
parents_sha1[i] = tpi_valid ? tp[i].entry.sha1
: NULL;
}
strbuf_add(base, path, pathlen);
strbuf_addch(base, '/');
p = ll_diff_tree_paths(p, sha1, parents_sha1, nparent, base, opt);
xalloca_free(parents_sha1);
}
strbuf_setlen(base, old_baselen);
return p;
}
