t4201: make use of abbreviation in the test more robust

diff --git a/builtin/commit.c b/builtin/commit.c
index 276c74034e278fe40975c6390839112d0493664d..2de5f6cc6401b48852d8174edcbf4e149cbe51cf 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -351,7 +351,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
 
        if (interactive) {
                char *old_index_env = NULL;
-               hold_locked_index(&index_lock, 1);
+               hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
 
                refresh_cache_or_die(refresh_flags);
 
@@ -396,7 +396,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
         * (B) on failure, rollback the real index.
         */
        if (all || (also && pathspec.nr)) {
-               hold_locked_index(&index_lock, 1);
+               hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
                add_files_to_cache(also ? prefix : NULL, &pathspec, 0);
                refresh_cache_or_die(refresh_flags);
                update_main_cache_tree(WRITE_TREE_SILENT);
@@ -416,7 +416,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
         * We still need to refresh the index here.
         */
        if (!only && !pathspec.nr) {
-               hold_locked_index(&index_lock, 1);
+               hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
                refresh_cache_or_die(refresh_flags);
                if (active_cache_changed
                    || !cache_tree_fully_valid(active_cache_tree))
@@ -468,7 +468,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
        if (read_cache() < 0)
                die(_("cannot read the index"));
 
-       hold_locked_index(&index_lock, 1);
+       hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
        add_remove_files(&partial);
        refresh_cache(REFRESH_QUIET);
        update_main_cache_tree(WRITE_TREE_SILENT);
@@ -790,7 +790,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                strbuf_stripspace(&sb, 0);
 
        if (signoff)
-               append_signoff(&sb, ignore_non_trailer(&sb), 0);
+               append_signoff(&sb, ignore_non_trailer(sb.buf, sb.len), 0);
 
        if (fwrite(sb.buf, 1, sb.len, s->fp) < sb.len)
                die_errno(_("could not write commit template"));
@@ -960,15 +960,15 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                return 0;
 
        if (use_editor) {
-               char index[PATH_MAX];
-               const char *env[2] = { NULL };
-               env[0] =  index;
-               snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
-               if (launch_editor(git_path_commit_editmsg(), NULL, env)) {
+               struct argv_array env = ARGV_ARRAY_INIT;
+
+               argv_array_pushf(&env, "GIT_INDEX_FILE=%s", index_file);
+               if (launch_editor(git_path_commit_editmsg(), NULL, env.argv)) {
                        fprintf(stderr,
                        _("Please supply the message using either -m or -F option.\n"));
                        exit(1);
                }
+               argv_array_clear(&env);
        }
 
        if (!no_verify &&
@@ -1525,12 +1525,10 @@ static int git_commit_config(const char *k, const char *v, void *cb)
 static int run_rewrite_hook(const unsigned char *oldsha1,
                            const unsigned char *newsha1)
 {
-       /* oldsha1 SP newsha1 LF NUL */
-       static char buf[2*40 + 3];
        struct child_process proc = CHILD_PROCESS_INIT;
        const char *argv[3];
        int code;
-       size_t n;
+       struct strbuf sb = STRBUF_INIT;
 
        argv[0] = find_hook("post-rewrite");
        if (!argv[0])
@@ -1546,34 +1544,33 @@ static int run_rewrite_hook(const unsigned char *oldsha1,
        code = start_command(&proc);
        if (code)
                return code;
-       n = snprintf(buf, sizeof(buf), "%s %s\n",
-                    sha1_to_hex(oldsha1), sha1_to_hex(newsha1));
+       strbuf_addf(&sb, "%s %s\n", sha1_to_hex(oldsha1), sha1_to_hex(newsha1));
        sigchain_push(SIGPIPE, SIG_IGN);
-       write_in_full(proc.in, buf, n);
+       write_in_full(proc.in, sb.buf, sb.len);
        close(proc.in);
+       strbuf_release(&sb);
        sigchain_pop(SIGPIPE);
        return finish_command(&proc);
 }
 
 int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...)
 {
-       const char *hook_env[3] =  { NULL };
-       char index[PATH_MAX];
+       struct argv_array hook_env = ARGV_ARRAY_INIT;
        va_list args;
        int ret;
 
-       snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);
-       hook_env[0] = index;
+       argv_array_pushf(&hook_env, "GIT_INDEX_FILE=%s", index_file);
 
        /*
         * Let the hook know that no editor will be launched.
         */
        if (!editor_is_used)
-               hook_env[1] = "GIT_EDITOR=:";
+               argv_array_push(&hook_env, "GIT_EDITOR=:");
 
        va_start(args, name);
-       ret = run_hook_ve(hook_env, name, args);
+       ret = run_hook_ve(hook_env.argv,name, args);
        va_end(args);
+       argv_array_clear(&hook_env);
 
        return ret;
 }