#include "utf8.h"
#include "parse-options.h"
#include "path-list.h"
+#include "unpack-trees.h"
static const char * const builtin_commit_usage[] = {
"git-commit [options] [--] <filepattern>...",
static char *edit_message, *use_message;
static int all, edit_flag, also, interactive, only, amend, signoff;
static int quiet, verbose, untracked_files, no_verify, allow_empty;
+/*
+ * The default commit message cleanup mode will remove the lines
+ * beginning with # (shell comments) and leading and trailing
+ * whitespaces (empty lines or containing only whitespaces)
+ * if editor is used, and only the whitespaces if the message
+ * is specified explicitly.
+ */
+static enum {
+ CLEANUP_SPACE,
+ CLEANUP_NONE,
+ CLEANUP_ALL,
+} cleanup_mode;
+static char *cleanup_arg;
-static int no_edit, initial_commit, in_merge;
+static int use_editor = 1, initial_commit, in_merge;
const char *only_include_assumed;
struct strbuf message;
OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"),
OPT_BOOLEAN(0, "untracked-files", &untracked_files, "show all untracked files"),
OPT_BOOLEAN(0, "allow-empty", &allow_empty, "ok to record an empty change"),
+ OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"),
OPT_END()
};
}
}
-static void commit_index_files(void)
+static int commit_index_files(void)
{
+ int err = 0;
+
switch (commit_style) {
case COMMIT_AS_IS:
break; /* nothing to do */
case COMMIT_NORMAL:
- commit_lock_file(&index_lock);
+ err = commit_lock_file(&index_lock);
break;
case COMMIT_PARTIAL:
- commit_lock_file(&index_lock);
+ err = commit_lock_file(&index_lock);
rollback_lock_file(&false_lock);
break;
}
+
+ return err;
}
/*
}
}
+static void create_base_index(void)
+{
+ struct tree *tree;
+ struct unpack_trees_options opts;
+ struct tree_desc t;
+
+ if (initial_commit) {
+ discard_cache();
+ return;
+ }
+
+ memset(&opts, 0, sizeof(opts));
+ opts.head_idx = 1;
+ opts.index_only = 1;
+ opts.merge = 1;
+
+ opts.fn = oneway_merge;
+ tree = parse_tree_indirect(head_sha1);
+ if (!tree)
+ die("failed to unpack HEAD tree object");
+ parse_tree(tree);
+ init_tree_desc(&t, tree->buffer, tree->size);
+ unpack_trees(1, &t, &opts);
+}
+
static char *prepare_index(int argc, const char **argv, const char *prefix)
{
int fd;
- struct tree *tree;
struct path_list partial;
const char **pathspec = NULL;
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(fd))
+ 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;
fd = hold_locked_index(&index_lock, 1);
refresh_cache(REFRESH_QUIET);
if (write_cache(fd, active_cache, active_nr) ||
- close(fd) || commit_locked_index(&index_lock))
+ commit_locked_index(&index_lock))
die("unable to write new_index file");
commit_style = COMMIT_AS_IS;
return get_index_file();
fd = hold_locked_index(&index_lock, 1);
add_remove_files(&partial);
refresh_cache(REFRESH_QUIET);
- if (write_cache(fd, active_cache, active_nr) || close(fd))
+ 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);
- discard_cache();
- if (!initial_commit) {
- tree = parse_tree_indirect(head_sha1);
- if (!tree)
- die("failed to unpack HEAD tree object");
- if (read_tree(tree, 0, NULL))
- die("failed to read HEAD tree object");
- }
+
+ create_base_index();
add_remove_files(&partial);
refresh_cache(REFRESH_QUIET);
- if (write_cache(fd, active_cache, active_nr) || close(fd))
+ 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;
}
if (fp == NULL)
die("could not open %s", git_path(commit_editmsg));
- stripspace(&sb, 0);
+ if (cleanup_mode != CLEANUP_NONE)
+ stripspace(&sb, 0);
if (signoff) {
struct strbuf sob;
strbuf_release(&sb);
- if (no_edit) {
+ if (!use_editor) {
struct rev_info rev;
- unsigned char sha1[40];
+ unsigned char sha1[20];
+ const char *parent = "HEAD";
fclose(fp);
if (!active_nr && read_cache() < 0)
die("Cannot read index");
- if (get_sha1("HEAD", sha1) != 0)
+ if (amend)
+ parent = "HEAD^1";
+
+ if (get_sha1(parent, sha1))
return !!active_nr;
init_revisions(&rev, "");
rev.abbrev = 0;
- setup_revisions(0, NULL, &rev, "HEAD");
+ setup_revisions(0, NULL, &rev, parent);
DIFF_OPT_SET(&rev.diffopt, QUIET);
DIFF_OPT_SET(&rev.diffopt, EXIT_WITH_STATUS);
run_diff_index(&rev, 1 /* cached */);
return !!DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES);
}
- if (in_merge && !no_edit)
+ if (in_merge)
fprintf(fp,
"#\n"
"# It looks like you may be committing a MERGE.\n"
fprintf(fp,
"\n"
"# Please enter the commit message for your changes.\n"
- "# (Comment lines starting with '#' will not be included)\n");
+ "# (Comment lines starting with '#' will ");
+ if (cleanup_mode == CLEANUP_ALL)
+ fprintf(fp, "not be included)\n");
+ else /* CLEANUP_SPACE, that is. */
+ fprintf(fp, "be kept.\n"
+ "# You can remove them yourself if you want to)\n");
if (only_include_assumed)
fprintf(fp, "# %s\n", only_include_assumed);
const char *nl;
int eol, i;
+ if (cleanup_mode == CLEANUP_NONE && sb->len)
+ return 0;
+
/* See if the template is just a prefix of the message. */
strbuf_init(&tmpl, 0);
if (template_file && strbuf_read_file(&tmpl, template_file, 0) > 0) {
- stripspace(&tmpl, 1);
+ stripspace(&tmpl, cleanup_mode == CLEANUP_ALL);
if (start + tmpl.len <= sb->len &&
memcmp(tmpl.buf, sb->buf + start, tmpl.len) == 0)
start += tmpl.len;
argc = parse_options(argc, argv, builtin_commit_options, usage, 0);
if (logfile || message.len || use_message)
- no_edit = 1;
+ use_editor = 0;
if (edit_flag)
- no_edit = 0;
+ use_editor = 1;
if (get_sha1("HEAD", head_sha1))
initial_commit = 1;
die("Option -m cannot be combined with -c/-C/-F.");
if (edit_message)
use_message = edit_message;
- if (amend)
+ if (amend && !use_message)
use_message = "HEAD";
if (use_message) {
unsigned char sha1[20];
if (get_sha1(use_message, sha1))
die("could not lookup commit %s", use_message);
- commit = lookup_commit(sha1);
+ commit = lookup_commit_reference(sha1);
if (!commit || parse_commit(commit))
die("could not parse commit %s", use_message);
only_include_assumed = "Explicit paths specified without -i nor -o; assuming --only paths...";
also = 0;
}
+ if (!cleanup_arg || !strcmp(cleanup_arg, "default"))
+ cleanup_mode = use_editor ? CLEANUP_ALL : CLEANUP_SPACE;
+ else if (!strcmp(cleanup_arg, "verbatim"))
+ cleanup_mode = CLEANUP_NONE;
+ else if (!strcmp(cleanup_arg, "whitespace"))
+ cleanup_mode = CLEANUP_SPACE;
+ else if (!strcmp(cleanup_arg, "strip"))
+ cleanup_mode = CLEANUP_ALL;
+ else
+ die("Invalid cleanup mode %s", cleanup_arg);
if (all && argc > 0)
die("Paths with -a does not make sense.");
rev.show_root_diff = 1;
rev.commit_format = get_commit_format("format:%h: %s");
rev.always_show_header = 0;
+ rev.diffopt.detect_rename = 1;
+ rev.diffopt.rename_limit = 100;
+ rev.diffopt.break_opt = 0;
+ diff_setup_done(&rev.diffopt);
printf("Created %scommit ", initial_commit ? "initial " : "");
int git_commit_config(const char *k, const char *v)
{
if (!strcmp(k, "commit.template")) {
+ if (!v)
+ return config_error_nonbool(v);
template_file = xstrdup(v);
return 0;
}
"You may want to amend it after fixing the message, or set the config\n"
"variable i18n.commitencoding to the encoding your project uses.\n";
+static void add_parent(struct strbuf *sb, const unsigned char *sha1)
+{
+ struct object *obj = parse_object(sha1);
+ const char *parent = sha1_to_hex(sha1);
+ if (!obj)
+ die("Unable to find commit parent %s", parent);
+ if (obj->type != OBJ_COMMIT)
+ die("Parent %s isn't a proper commit", parent);
+ strbuf_addf(sb, "parent %s\n", parent);
+}
+
int cmd_commit(int argc, const char **argv, const char *prefix)
{
int header_len;
die("could not parse HEAD commit");
for (c = commit->parents; c; c = c->next)
- strbuf_addf(&sb, "parent %s\n",
- sha1_to_hex(c->item->object.sha1));
+ add_parent(&sb, c->item->object.sha1);
} else if (in_merge) {
struct strbuf m;
FILE *fp;
reflog_msg = "commit (merge)";
- strbuf_addf(&sb, "parent %s\n", sha1_to_hex(head_sha1));
+ 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)
- strbuf_addf(&sb, "parent %s\n", m.buf);
+ 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 {
/* Get the commit message and validate it */
header_len = sb.len;
- if (!no_edit) {
+ if (use_editor) {
char index[PATH_MAX];
const char *env[2] = { index, NULL };
snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
if (p != NULL)
strbuf_setlen(&sb, p - sb.buf + 1);
- stripspace(&sb, 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.");
unlink(git_path("MERGE_HEAD"));
unlink(git_path("MERGE_MSG"));
+ unlink(git_path("SQUASH_MSG"));
- commit_index_files();
+ 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);