git-shell: accept "git foo" form

diff --git a/builtin-commit.c b/builtin-commit.c
index 02279360f78f3533bcc3b9ab7caae866cb7ee97b..2f4d6cc87e9c775f94bfd5463694f1408580f6a2 100644 (file)
--- a/builtin-commit.c
+++ b/builtin-commit.c
@@ -89,7 +89,7 @@ static struct option builtin_commit_options[] = {
        OPT_CALLBACK('m', "message", &message, "MESSAGE", "specify commit message", opt_parse_m),
        OPT_STRING('c', "reedit-message", &edit_message, "COMMIT", "reuse and edit message from specified commit "),
        OPT_STRING('C', "reuse-message", &use_message, "COMMIT", "reuse message from specified commit"),
-       OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by: header"),
+       OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
        OPT_STRING('t', "template", &template_file, "FILE", "use specified template file"),
        OPT_BOOLEAN('e', "edit", &edit_flag, "force edit of commit"),
 
@@ -97,10 +97,10 @@ static struct option builtin_commit_options[] = {
        OPT_BOOLEAN('a', "all", &all, "commit all changed files"),
        OPT_BOOLEAN('i', "include", &also, "add specified files to index for commit"),
        OPT_BOOLEAN(0, "interactive", &interactive, "interactively add files"),
-       OPT_BOOLEAN('o', "only", &only, ""),
+       OPT_BOOLEAN('o', "only", &only, "commit only specified files"),
        OPT_BOOLEAN('n', "no-verify", &no_verify, "bypass pre-commit hook"),
        OPT_BOOLEAN(0, "amend", &amend, "amend previous commit"),
-       OPT_BOOLEAN(0, "untracked-files", &untracked_files, "show all untracked files"),
+       OPT_BOOLEAN('u', "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"),
 
@@ -122,19 +122,23 @@ static void rollback_index_files(void)
        }
 }
 
-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;
 }
 
 /*
@@ -313,6 +317,10 @@ static char *prepare_index(int argc, const char **argv, const char *prefix)
        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;
 }
 
@@ -597,7 +605,7 @@ static int parse_and_validate_options(int argc, const char *argv[],
 
                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);
 
@@ -739,6 +747,8 @@ static void print_summary(const char *prefix, const unsigned char *sha1)
 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;
        }
@@ -925,8 +935,12 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 
        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);