commit-tree: update the command line parsing

diff --git a/builtin/commit.c b/builtin/commit.c
index b9ab5ef3146ff0536cb79dabf8c77605e4974c31..fca7ea01f3369b6c7df0796ec4b6142472e46904 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1382,6 +1382,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
        int allow_fast_forward = 1;
        struct wt_status s;
        struct commit *current_head = NULL;
+       struct commit_extra_header *extra = NULL;
 
        if (argc == 2 && !strcmp(argv[1], "-h"))
                usage_with_options(builtin_commit_usage, builtin_commit_options);
@@ -1393,7 +1394,7 @@ 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"));
        }
@@ -1435,10 +1436,12 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                        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)
+                       struct commit *parent;
+
+                       parent = get_merge_parent(m.buf);
+                       if (!parent)
                                die(_("Corrupt MERGE_HEAD file (%s)"), m.buf);
-                       pptr = &commit_list_insert(lookup_commit(sha1), pptr)->next;
+                       pptr = &commit_list_insert(parent, pptr)->next;
                }
                fclose(fp);
                strbuf_release(&m);
@@ -1481,12 +1484,16 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
                exit(1);
        }
 
-       if (commit_tree(sb.buf, active_cache_tree->sha1, parents, sha1,
-                       author_ident.buf)) {
+       if (amend)
+               extra = read_commit_extra_headers(current_head);
+
+       if (commit_tree_extended(sb.buf, active_cache_tree->sha1, parents, sha1,
+                                author_ident.buf, extra)) {
                rollback_index_files();
                die(_("failed to write commit object"));
        }
        strbuf_release(&author_ident);
+       free_commit_extra_headers(extra);
 
        ref_lock = lock_any_ref_for_update("HEAD",
                                           !current_head