Avoid segfault with 'git branch' when the HEAD is detached

[git.git] / builtin-checkout.c

diff --git a/builtin-checkout.c b/builtin-checkout.c
index b0a101bac7432719d62c013d98bb0e6171e45406..20b34ce6e10d9b863226b501cf5a35178b898995 100644 (file)
--- a/builtin-checkout.c
+++ b/builtin-checkout.c
@@ -38,23 +38,13 @@ struct checkout_opts {
 static int post_checkout_hook(struct commit *old, struct commit *new,
                              int changed)
 {
-       struct child_process proc;
-       const char *name = git_path("hooks/post-checkout");
-       const char *argv[5];
+       return run_hook(NULL, "post-checkout",
+                       sha1_to_hex(old ? old->object.sha1 : null_sha1),
+                       sha1_to_hex(new ? new->object.sha1 : null_sha1),
+                       changed ? "1" : "0", NULL);
+       /* "new" can be NULL when checking out from the index before
+          a commit exists. */
 
-       if (access(name, X_OK) < 0)
-               return 0;
-
-       memset(&proc, 0, sizeof(proc));
-       argv[0] = name;
-       argv[1] = xstrdup(sha1_to_hex(old ? old->object.sha1 : null_sha1));
-       argv[2] = xstrdup(sha1_to_hex(new->object.sha1));
-       argv[3] = changed ? "1" : "0";
-       argv[4] = NULL;
-       proc.argv = argv;
-       proc.no_stdin = 1;
-       proc.stdout_to_stderr = 1;
-       return run_command(&proc);
 }
 
 static int update_some(const unsigned char *sha1, const char *base, int baselen,
@@ -240,7 +230,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec,
 
        for (pos = 0; pos < active_nr; pos++) {
                struct cache_entry *ce = active_cache[pos];
-               pathspec_match(pathspec, ps_matched, ce->name, 0);
+               match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, ps_matched);
        }
 
        if (report_path_error(ps_matched, pathspec, 0))
@@ -249,7 +239,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec,
        /* Any unmerged paths? */
        for (pos = 0; pos < active_nr; pos++) {
                struct cache_entry *ce = active_cache[pos];
-               if (pathspec_match(pathspec, NULL, ce->name, 0)) {
+               if (match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, NULL)) {
                        if (!ce_stage(ce))
                                continue;
                        if (opts->force) {
@@ -274,7 +264,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec,
        state.refresh_cache = 1;
        for (pos = 0; pos < active_nr; pos++) {
                struct cache_entry *ce = active_cache[pos];
-               if (pathspec_match(pathspec, NULL, ce->name, 0)) {
+               if (match_pathspec(pathspec, ce->name, ce_namelen(ce), 0, NULL)) {
                        if (!ce_stage(ce)) {
                                errs |= checkout_entry(ce, &state, NULL);
                                continue;