revert: simplify getting commit subject in format_todo()

diff --git a/builtin/commit.c b/builtin/commit.c
index cbc9613ec661bc2cef8274cd66efb06b9cab55b6..8f2bebecf313a0e4b742f9327ec178c7e3547dd2 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -255,8 +255,9 @@ static int list_paths(struct string_list *list, const char *with_tree,
        m = xcalloc(1, i);
 
        if (with_tree) {
-               const char *max_prefix = pathspec_prefix(prefix, pattern);
-               overlay_tree_on_cache(with_tree, max_prefix);
+               char *max_prefix = common_prefix(pattern);
+               overlay_tree_on_cache(with_tree, max_prefix ? max_prefix : prefix);
+               free(max_prefix);
        }
 
        for (i = 0; i < active_nr; i++) {
@@ -1392,7 +1393,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
        if (get_sha1("HEAD", sha1))
                current_head = NULL;
        else {
-               current_head = lookup_commit(sha1);
+               current_head = lookup_commit_or_die(sha1, "HEAD");
                if (!current_head || parse_commit(current_head))
                        die(_("could not parse HEAD commit"));
        }
@@ -1424,6 +1425,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                        pptr = &commit_list_insert(c->item, pptr)->next;
        } else if (whence == FROM_MERGE) {
                struct strbuf m = STRBUF_INIT;
+               struct commit *commit;
                FILE *fp;
 
                if (!reflog_msg)
@@ -1437,7 +1439,8 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                        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;
+                       commit = lookup_commit_or_die(sha1, "MERGE_HEAD");
+                       pptr = &commit_list_insert(commit, pptr)->next;
                }
                fclose(fp);
                strbuf_release(&m);
@@ -1511,6 +1514,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
        }
 
        unlink(git_path("CHERRY_PICK_HEAD"));
+       unlink(git_path("REVERT_HEAD"));
        unlink(git_path("MERGE_HEAD"));
        unlink(git_path("MERGE_MSG"));
        unlink(git_path("MERGE_MODE"));