const char *git_author_info(int flag)
{
return fmt_ident(getenv("GIT_AUTHOR_NAME"),
getenv("GIT_AUTHOR_EMAIL"),
getenv("GIT_AUTHOR_DATE"),
flag);
}
static void determine_author_info(struct strbuf *author_ident)
{
char *name, *email, *date;
struct ident_split author;
name = getenv("GIT_AUTHOR_NAME");
email = getenv("GIT_AUTHOR_EMAIL");
date = getenv("GIT_AUTHOR_DATE");
if (author_message) {
const char *a, *lb, *rb, *eol;
size_t len;
a = strstr(author_message_buffer, "\nauthor ");
if (!a)
die(_("invalid commit: %s"), author_message);
lb = strchrnul(a + strlen("\nauthor "), '<');
rb = strchrnul(lb, '>');
eol = strchrnul(rb, '\n');
if (!*lb || !*rb || !*eol)
die(_("invalid commit: %s"), author_message);
if (lb == a + strlen("\nauthor "))
/* \nauthor <*****@*****.**> */
name = xcalloc(1, 1);
else
name = xmemdupz(a + strlen("\nauthor "),
(lb - strlen(" ") -
(a + strlen("\nauthor "))));
email = xmemdupz(lb + strlen("<"), rb - (lb + strlen("<")));
date = xmemdupz(rb + strlen("> "), eol - (rb + strlen("> ")));
len = eol - (rb + strlen("> "));
date = xmalloc(len + 2);
*date = '@';
memcpy(date + 1, rb + strlen("> "), len);
date[len + 1] = '\0';
}
if (force_author) {
const char *lb = strstr(force_author, " <");
const char *rb = strchr(force_author, '>');
if (!lb || !rb)
die(_("malformed --author parameter"));
name = xstrndup(force_author, lb - force_author);
email = xstrndup(lb + 2, rb - (lb + 2));
}
if (force_date)
date = force_date;
strbuf_addstr(author_ident, fmt_ident(name, email, date, IDENT_STRICT));
if (!split_ident_line(&author, author_ident->buf, author_ident->len) &&
sane_ident_split(&author)) {
export_one("GIT_AUTHOR_NAME", author.name_begin, author.name_end, 0);
export_one("GIT_AUTHOR_EMAIL", author.mail_begin, author.mail_end, 0);
export_one("GIT_AUTHOR_DATE", author.date_begin, author.tz_end, '@');
}
}
const char *git_committer_info(int flag)
{
if (getenv("GIT_COMMITTER_NAME") &&
getenv("GIT_COMMITTER_EMAIL"))
user_ident_explicitly_given = 1;
return fmt_ident(getenv("GIT_COMMITTER_NAME"),
getenv("GIT_COMMITTER_EMAIL"),
getenv("GIT_COMMITTER_DATE"),
flag);
}
const char *git_committer_info(int flag)
{
if (getenv("GIT_COMMITTER_NAME"))
committer_ident_explicitly_given |= IDENT_NAME_GIVEN;
if (getenv("GIT_COMMITTER_EMAIL"))
committer_ident_explicitly_given |= IDENT_MAIL_GIVEN;
return fmt_ident(getenv("GIT_COMMITTER_NAME"),
getenv("GIT_COMMITTER_EMAIL"),
getenv("GIT_COMMITTER_DATE"),
flag);
}
const char *git_author_info(int flag)
{
if (getenv("GIT_AUTHOR_NAME"))
author_ident_explicitly_given |= IDENT_NAME_GIVEN;
if (getenv("GIT_AUTHOR_EMAIL"))
author_ident_explicitly_given |= IDENT_MAIL_GIVEN;
return fmt_ident(getenv("GIT_AUTHOR_NAME"),
getenv("GIT_AUTHOR_EMAIL"),
getenv("GIT_AUTHOR_DATE"),
flag);
}
static void determine_author_info(struct strbuf *author_ident)
{
char *name, *email, *date;
name = getenv("GIT_AUTHOR_NAME");
email = getenv("GIT_AUTHOR_EMAIL");
date = getenv("GIT_AUTHOR_DATE");
if (author_message) {
const char *a, *lb, *rb, *eol;
a = strstr(author_message_buffer, "\nauthor ");
if (!a)
die(_("invalid commit: %s"), author_message);
lb = strchrnul(a + strlen("\nauthor "), '<');
rb = strchrnul(lb, '>');
eol = strchrnul(rb, '\n');
if (!*lb || !*rb || !*eol)
die(_("invalid commit: %s"), author_message);
if (lb == a + strlen("\nauthor "))
/* \nauthor <*****@*****.**> */
name = xcalloc(1, 1);
else
name = xmemdupz(a + strlen("\nauthor "),
(lb - strlen(" ") -
(a + strlen("\nauthor "))));
email = xmemdupz(lb + strlen("<"), rb - (lb + strlen("<")));
date = xmemdupz(rb + strlen("> "), eol - (rb + strlen("> ")));
}
if (force_author) {
const char *lb = strstr(force_author, " <");
const char *rb = strchr(force_author, '>');
if (!lb || !rb)
die(_("malformed --author parameter"));
name = xstrndup(force_author, lb - force_author);
email = xstrndup(lb + 2, rb - (lb + 2));
}
if (force_date)
date = force_date;
strbuf_addstr(author_ident, fmt_ident(name, email, date,
IDENT_ERROR_ON_NO_NAME));
}
const char *fmt_name(const char *name, const char *email)
{
return fmt_ident(name, email, NULL, IDENT_STRICT | IDENT_NO_DATE);
}
/*
* Prepare a dummy commit that represents the work tree (or staged) item.
* Note that annotating work tree item never works in the reverse.
*/
static struct commit *fake_working_tree_commit(struct diff_options *opt,
const char *path,
const char *contents_from)
{
struct commit *commit;
struct blame_origin *origin;
struct commit_list **parent_tail, *parent;
struct object_id head_oid;
struct strbuf buf = STRBUF_INIT;
const char *ident;
time_t now;
int size, len;
struct cache_entry *ce;
unsigned mode;
struct strbuf msg = STRBUF_INIT;
read_cache();
time(&now);
commit = alloc_commit_node();
commit->object.parsed = 1;
commit->date = now;
parent_tail = &commit->parents;
if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_oid.hash, NULL))
die("no such ref: HEAD");
parent_tail = append_parent(parent_tail, &head_oid);
append_merge_parents(parent_tail);
verify_working_tree_path(commit, path);
origin = make_origin(commit, path);
ident = fmt_ident("Not Committed Yet", "not.committed.yet", NULL, 0);
strbuf_addstr(&msg, "tree 0000000000000000000000000000000000000000\n");
for (parent = commit->parents; parent; parent = parent->next)
strbuf_addf(&msg, "parent %s\n",
oid_to_hex(&parent->item->object.oid));
strbuf_addf(&msg,
"author %s\n"
"committer %s\n\n"
"Version of %s from %s\n",
ident, ident, path,
(!contents_from ? path :
(!strcmp(contents_from, "-") ? "standard input" : contents_from)));
set_commit_buffer_from_strbuf(commit, &msg);
if (!contents_from || strcmp("-", contents_from)) {
struct stat st;
const char *read_from;
char *buf_ptr;
unsigned long buf_len;
if (contents_from) {
if (stat(contents_from, &st) < 0)
die_errno("Cannot stat '%s'", contents_from);
read_from = contents_from;
}
else {
if (lstat(path, &st) < 0)
die_errno("Cannot lstat '%s'", path);
read_from = path;
}
mode = canon_mode(st.st_mode);
switch (st.st_mode & S_IFMT) {
case S_IFREG:
if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) &&
textconv_object(read_from, mode, &null_oid, 0, &buf_ptr, &buf_len))
strbuf_attach(&buf, buf_ptr, buf_len, buf_len + 1);
else if (strbuf_read_file(&buf, read_from, st.st_size) != st.st_size)
die_errno("cannot open or read '%s'", read_from);
break;
case S_IFLNK:
if (strbuf_readlink(&buf, read_from, st.st_size) < 0)
die_errno("cannot readlink '%s'", read_from);
break;
default:
die("unsupported file type %s", read_from);
}
}
else {
/* Reading from stdin */
mode = 0;
if (strbuf_read(&buf, 0, 0) < 0)
die_errno("failed to read from stdin");
}
convert_to_git(path, buf.buf, buf.len, &buf, 0);
origin->file.ptr = buf.buf;
origin->file.size = buf.len;
pretend_sha1_file(buf.buf, buf.len, OBJ_BLOB, origin->blob_oid.hash);
/*
* Read the current index, replace the path entry with
* origin->blob_sha1 without mucking with its mode or type
* bits; we are not going to write this index out -- we just
* want to run "diff-index --cached".
*/
discard_cache();
read_cache();
len = strlen(path);
if (!mode) {
int pos = cache_name_pos(path, len);
if (0 <= pos)
mode = active_cache[pos]->ce_mode;
else
/* Let's not bother reading from HEAD tree */
mode = S_IFREG | 0644;
}
size = cache_entry_size(len);
ce = xcalloc(1, size);
oidcpy(&ce->oid, &origin->blob_oid);
memcpy(ce->name, path, len);
ce->ce_flags = create_ce_flags(0);
ce->ce_namelen = len;
ce->ce_mode = create_ce_mode(mode);
add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE);
cache_tree_invalidate_path(&the_index, path);
return commit;
}
const char *fmt_name(const char *name, const char *email)
{
return fmt_ident(name, email, NULL, IDENT_ERROR_ON_NO_NAME | IDENT_NO_DATE);
}
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_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;
}