diff options
Diffstat (limited to 'builtin-revert.c')
| -rw-r--r-- | builtin-revert.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/builtin-revert.c b/builtin-revert.c index ebfa3bb488..e9da870d22 100644 --- a/builtin-revert.c +++ b/builtin-revert.c @@ -206,6 +206,7 @@ static int merge_recursive(const char *base_sha1, { char buffer[256]; const char *argv[6]; + int i = 0; sprintf(buffer, "GITHEAD_%s", head_sha1); setenv(buffer, head_name, 1); @@ -218,12 +219,13 @@ static int merge_recursive(const char *base_sha1, * and $prev on top of us (when reverting), or the change between * $prev and $commit on top of us (when cherry-picking or replaying). */ - argv[0] = "merge-recursive"; - argv[1] = base_sha1; - argv[2] = "--"; - argv[3] = head_sha1; - argv[4] = next_sha1; - argv[5] = NULL; + argv[i++] = "merge-recursive"; + if (base_sha1) + argv[i++] = base_sha1; + argv[i++] = "--"; + argv[i++] = head_sha1; + argv[i++] = next_sha1; + argv[i++] = NULL; return run_command_v_opt(argv, RUN_COMMAND_NO_STDIN | RUN_GIT_CMD); } @@ -297,9 +299,12 @@ static int revert_or_cherry_pick(int argc, const char **argv) discard_cache(); } - if (!commit->parents) - die ("Cannot %s a root commit", me); - if (commit->parents->next) { + if (!commit->parents) { + if (action == REVERT) + die ("Cannot revert a root commit"); + parent = NULL; + } + else if (commit->parents->next) { /* Reverting or cherry-picking a merge commit */ int cnt; struct commit_list *p; @@ -368,7 +373,8 @@ static int revert_or_cherry_pick(int argc, const char **argv) } } - if (merge_recursive(sha1_to_hex(base->object.sha1), + if (merge_recursive(base == NULL ? + NULL : sha1_to_hex(base->object.sha1), sha1_to_hex(head), "HEAD", sha1_to_hex(next->object.sha1), oneline) || write_cache_as_tree(head, 0, NULL)) { |