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

diff --git a/builtin/checkout.c b/builtin/checkout.c
index 1b86d9c868c35c7f0ad3f4b39f9d225c8365c77c..944a634bc038fb17439f70d75ec78f035fb6db6f 100644 (file)
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -225,7 +225,6 @@ static int checkout_paths(const struct checkout_opts *opts,
        int flag;
        struct commit *head;
        int errs = 0;
-       int newfd;
        struct lock_file *lock_file;
 
        if (opts->track != BRANCH_TRACK_UNSPECIFIED)
@@ -256,7 +255,7 @@ static int checkout_paths(const struct checkout_opts *opts,
 
        lock_file = xcalloc(1, sizeof(struct lock_file));
 
-       newfd = hold_locked_index(lock_file, 1);
+       hold_locked_index(lock_file, 1);
        if (read_cache_preload(&opts->pathspec) < 0)
                return error(_("corrupt index file"));
 
@@ -352,8 +351,7 @@ static int checkout_paths(const struct checkout_opts *opts,
                }
        }
 
-       if (write_cache(newfd, active_cache, active_nr) ||
-           commit_locked_index(lock_file))
+       if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
                die(_("unable to write new index file"));
 
        read_ref_full("HEAD", rev, 0, &flag);
@@ -444,8 +442,8 @@ static int merge_working_tree(const struct checkout_opts *opts,
 {
        int ret;
        struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
-       int newfd = hold_locked_index(lock_file, 1);
 
+       hold_locked_index(lock_file, 1);
        if (read_cache_preload(NULL) < 0)
                return error(_("corrupt index file"));
 
@@ -553,8 +551,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
                }
        }
 
-       if (write_cache(newfd, active_cache, active_nr) ||
-           commit_locked_index(lock_file))
+       if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
                die(_("unable to write new index file"));
 
        if (!opts->force && !opts->quiet)
@@ -895,7 +892,7 @@ static int parse_branchname_arg(int argc, const char **argv,
         *       between A and B, A...B names that merge base.
         *
         *   (b) If <something> is _not_ a commit, either "--" is present
-        *       or <something> is not a path, no -t nor -b was given, and
+        *       or <something> is not a path, no -t or -b was given, and
         *       and there is a tracking branch whose name is <something>
         *       in one and only one remote, then this is a short-hand to
         *       fork local <something> from that remote-tracking branch.
@@ -1095,7 +1092,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
                OPT_BOOL(0, "detach", &opts.force_detach, N_("detach the HEAD at named commit")),
                OPT_SET_INT('t', "track",  &opts.track, N_("set upstream info for new branch"),
                        BRANCH_TRACK_EXPLICIT),
-               OPT_STRING(0, "orphan", &opts.new_orphan_branch, N_("new branch"), N_("new unparented branch")),
+               OPT_STRING(0, "orphan", &opts.new_orphan_branch, N_("new-branch"), N_("new unparented branch")),
                OPT_SET_INT('2', "ours", &opts.writeout_stage, N_("checkout our version for unmerged files"),
                            2),
                OPT_SET_INT('3', "theirs", &opts.writeout_stage, N_("checkout their version for unmerged files"),