diff options
Diffstat (limited to 'builtin/receive-pack.c')
| -rw-r--r-- | builtin/receive-pack.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 70e9ce5f96..5292bb5a50 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -743,6 +743,22 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si) return 0; } +/* + * NEEDSWORK: we should consolidate various implementions of "are we + * on an unborn branch?" test into one, and make the unified one more + * robust. !get_sha1() based check used here and elsewhere would not + * allow us to tell an unborn branch from corrupt ref, for example. + * For the purpose of fixing "deploy-to-update does not work when + * pushing into an empty repository" issue, this should suffice for + * now. + */ +static int head_has_history(void) +{ + unsigned char sha1[20]; + + return !get_sha1("HEAD", sha1); +} + static const char *push_to_deploy(unsigned char *sha1, struct argv_array *env, const char *work_tree) @@ -755,7 +771,7 @@ static const char *push_to_deploy(unsigned char *sha1, }; const char *diff_index[] = { "diff-index", "--quiet", "--cached", "--ignore-submodules", - "HEAD", "--", NULL + NULL, "--", NULL }; const char *read_tree[] = { "read-tree", "-u", "-m", NULL, NULL @@ -782,6 +798,9 @@ static const char *push_to_deploy(unsigned char *sha1, if (run_command(&child)) return "Working directory has unstaged changes"; + /* diff-index with either HEAD or an empty tree */ + diff_index[4] = head_has_history() ? "HEAD" : EMPTY_TREE_SHA1_HEX; + child_process_init(&child); child.argv = diff_index; child.env = env->argv; |