diff options
Diffstat (limited to 'update-index.c')
| -rw-r--r-- | update-index.c | 88 |
1 files changed, 75 insertions, 13 deletions
diff --git a/update-index.c b/update-index.c index 1c1f13bd70..f6b09a4800 100644 --- a/update-index.c +++ b/update-index.c @@ -374,12 +374,12 @@ static void update_one(const char *path, const char *prefix, int prefix_length) const char *p = prefix_path(prefix, prefix_length, path); if (!verify_path(p)) { fprintf(stderr, "Ignoring path %s\n", path); - return; + goto free_return; } if (mark_valid_only) { if (mark_valid(p)) die("Unable to mark file %s", path); - return; + goto free_return; } cache_tree_invalidate_path(active_cache_tree, path); @@ -387,11 +387,14 @@ static void update_one(const char *path, const char *prefix, int prefix_length) if (remove_file_from_cache(p)) die("git-update-index: unable to remove %s", path); report("remove '%s'", path); - return; + goto free_return; } if (add_file_to_cache(p)) die("Unable to process file %s", path); report("add '%s'", path); + free_return: + if (p < path || p > path + strlen(path)) + free((char*)p); } static void read_index_info(int line_termination) @@ -485,7 +488,7 @@ static void read_index_info(int line_termination) } static const char update_index_usage[] = -"git-update-index [-q] [--add] [--replace] [--remove] [--unmerged] [--refresh] [--cacheinfo] [--chmod=(+|-)x] [--info-only] [--force-remove] [--stdin] [--index-info] [--ignore-missing] [-z] [--verbose] [--] <file>..."; +"git-update-index [-q] [--add] [--replace] [--remove] [--unmerged] [--refresh] [--really-refresh] [--cacheinfo] [--chmod=(+|-)x] [--assume-unchanged] [--info-only] [--force-remove] [--stdin] [--index-info] [--unresolve] [--again] [--ignore-missing] [-z] [--verbose] [--] <file>..."; static unsigned char head_sha1[20]; static unsigned char merge_head_sha1[20]; @@ -500,11 +503,13 @@ static struct cache_entry *read_one_ent(const char *which, struct cache_entry *ce; if (get_tree_entry(ent, path, sha1, &mode)) { - error("%s: not in %s branch.", path, which); + if (which) + error("%s: not in %s branch.", path, which); return NULL; } if (mode == S_IFDIR) { - error("%s: not a blob in %s branch.", path, which); + if (which) + error("%s: not a blob in %s branch.", path, which); return NULL; } size = cache_entry_size(namelen); @@ -589,7 +594,8 @@ static void read_head_pointers(void) } } -static int do_unresolve(int ac, const char **av) +static int do_unresolve(int ac, const char **av, + const char *prefix, int prefix_length) { int i; int err = 0; @@ -601,11 +607,57 @@ static int do_unresolve(int ac, const char **av) for (i = 1; i < ac; i++) { const char *arg = av[i]; - err |= unresolve_one(arg); + const char *p = prefix_path(prefix, prefix_length, arg); + err |= unresolve_one(p); + if (p < arg || p > arg + strlen(arg)) + free((char*)p); } return err; } +static int do_reupdate(int ac, const char **av, + const char *prefix, int prefix_length) +{ + /* Read HEAD and run update-index on paths that are + * merged and already different between index and HEAD. + */ + int pos; + int has_head = 1; + const char **pathspec = get_pathspec(prefix, av + 1); + + if (read_ref(git_path("HEAD"), head_sha1)) + /* If there is no HEAD, that means it is an initial + * commit. Update everything in the index. + */ + has_head = 0; + redo: + for (pos = 0; pos < active_nr; pos++) { + struct cache_entry *ce = active_cache[pos]; + struct cache_entry *old = NULL; + int save_nr; + + if (ce_stage(ce) || !ce_path_match(ce, pathspec)) + continue; + if (has_head) + old = read_one_ent(NULL, head_sha1, + ce->name, ce_namelen(ce), 0); + if (old && ce->ce_mode == old->ce_mode && + !memcmp(ce->sha1, old->sha1, 20)) { + free(old); + continue; /* unchanged */ + } + /* Be careful. The working tree may not have the + * path anymore, in which case, under 'allow_remove', + * or worse yet 'allow_replace', active_nr may decrease. + */ + save_nr = active_nr; + update_one(ce->name + prefix_length, prefix, prefix_length); + if (save_nr != active_nr) + goto redo; + } + return 0; +} + int main(int argc, const char **argv) { int i, newfd, entries, has_errors = 0, line_termination = '\n'; @@ -717,7 +769,15 @@ int main(int argc, const char **argv) break; } if (!strcmp(path, "--unresolve")) { - has_errors = do_unresolve(argc - i, argv + i); + has_errors = do_unresolve(argc - i, argv + i, + prefix, prefix_length); + if (has_errors) + active_cache_changed = 0; + goto finish; + } + if (!strcmp(path, "--again")) { + has_errors = do_reupdate(argc - i, argv + i, + prefix, prefix_length); if (has_errors) active_cache_changed = 0; goto finish; @@ -743,6 +803,7 @@ int main(int argc, const char **argv) strbuf_init(&buf); while (1) { char *path_name; + const char *p; read_line(&buf, stdin, line_termination); if (buf.eof) break; @@ -750,11 +811,12 @@ int main(int argc, const char **argv) path_name = unquote_c_style(buf.buf, NULL); else path_name = buf.buf; - update_one(path_name, prefix, prefix_length); - if (set_executable_bit) { - const char *p = prefix_path(prefix, prefix_length, path_name); + p = prefix_path(prefix, prefix_length, path_name); + update_one(p, NULL, 0); + if (set_executable_bit) chmod_path(set_executable_bit, p); - } + if (p < path_name || p > path_name + strlen(path_name)) + free((char*) p); if (path_name != buf.buf) free(path_name); } |