diff options
Diffstat (limited to 'read-tree.c')
-rw-r--r-- | read-tree.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/read-tree.c b/read-tree.c index 9ace5bb0ab..4db154db2b 100644 --- a/read-tree.c +++ b/read-tree.c @@ -12,6 +12,7 @@ static int merge = 0; static int update = 0; +static int index_only = 0; static int head_idx = -1; static int merge_size = 0; @@ -306,6 +307,9 @@ static void verify_uptodate(struct cache_entry *ce) { struct stat st; + if (index_only) + return; + if (!lstat(ce->name, &st)) { unsigned changed = ce_match_stat(ce, &st); if (!changed) @@ -576,7 +580,7 @@ static int read_cache_unmerged(void) return deleted; } -static const char read_tree_usage[] = "git-read-tree (<sha> | -m [-u] <sha1> [<sha2> [<sha3>]])"; +static const char read_tree_usage[] = "git-read-tree (<sha> | -m [-u | -i] <sha1> [<sha2> [<sha3>]])"; static struct cache_file cache_file; @@ -595,12 +599,22 @@ int main(int argc, char **argv) for (i = 1; i < argc; i++) { const char *arg = argv[i]; - /* "-u" means "update", meaning that a merge will update the working directory */ + /* "-u" means "update", meaning that a merge will update + * the working tree. + */ if (!strcmp(arg, "-u")) { update = 1; continue; } + /* "-i" means "index only", meaning that a merge will + * not even look at the working tree. + */ + if (!strcmp(arg, "-i")) { + index_only = 1; + continue; + } + /* This differs from "-m" in that we'll silently ignore unmerged entries */ if (!strcmp(arg, "--reset")) { if (stage || merge) @@ -628,6 +642,10 @@ int main(int argc, char **argv) continue; } + /* using -u and -i at the same time makes no sense */ + if (1 < index_only + update) + usage(read_tree_usage); + if (get_sha1(arg, sha1) < 0) usage(read_tree_usage); if (list_tree(sha1) < 0) |