update-index: be specific what part of the index has changed

diff --git a/builtin/reset.c b/builtin/reset.c
index 4fd1c6c51d3ce5af60f2978f3839c0e595d3fece..0c56d28e168c24cc1444add7c7ca46bef7d61858 100644 (file)
--- a/builtin/reset.c
+++ b/builtin/reset.c
@@ -333,7 +333,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
        if (reset_type == NONE)
                reset_type = MIXED; /* by default */
 
-       if (reset_type != SOFT && reset_type != MIXED)
+       if (reset_type != SOFT && (reset_type != MIXED || get_git_work_tree()))
                setup_work_tree();
 
        if (reset_type == MIXED && is_bare_repository())
@@ -351,13 +351,14 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
 
        if (reset_type != SOFT) {
                struct lock_file *lock = xcalloc(1, sizeof(*lock));
-               int newfd = hold_locked_index(lock, 1);
+               hold_locked_index(lock, 1);
                if (reset_type == MIXED) {
                        int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN;
                        if (read_from_tree(&pathspec, sha1, intent_to_add))
                                return 1;
-                       refresh_index(&the_index, flags, NULL, NULL,
-                                     _("Unstaged changes after reset:"));
+                       if (get_git_work_tree())
+                               refresh_index(&the_index, flags, NULL, NULL,
+                                             _("Unstaged changes after reset:"));
                } else {
                        int err = reset_index(sha1, reset_type, quiet);
                        if (reset_type == KEEP && !err)
@@ -366,8 +367,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
                                die(_("Could not reset index file to revision '%s'."), rev);
                }
 
-               if (write_cache(newfd, active_cache, active_nr) ||
-                   commit_locked_index(lock))
+               if (write_locked_index(&the_index, lock, COMMIT_LOCK))
                        die(_("Could not write new index file."));
        }