Merge branch 'lt/maint-diff-reduce-lstat' into maint

* lt/maint-diff-reduce-lstat:
Teach 'git checkout' to preload the index contents
Avoid unnecessary 'lstat()' calls in 'get_stat_data()'

diff --git a/builtin-checkout.c b/builtin-checkout.c
index f2d7ef01b0bbe667ae8042f7a806a634fa0aa46b..b8a4b0139b3b9c2f731315413a73db30edaf9231 100644 (file)
--- a/builtin-checkout.c
+++ b/builtin-checkout.c
@@ -216,7 +216,7 @@ static int checkout_paths(struct tree *source_tree, const char **pathspec,
        struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
 
        newfd = hold_locked_index(lock_file, 1);
-       if (read_cache() < 0)
+       if (read_cache_preload(pathspec) < 0)
                return error("corrupt index file");
 
        if (source_tree)
@@ -366,7 +366,7 @@ static int merge_working_tree(struct checkout_opts *opts,
        struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
        int newfd = hold_locked_index(lock_file, 1);
 
-       if (read_cache() < 0)
+       if (read_cache_preload(NULL) < 0)
                return error("corrupt index file");
 
        if (opts->force) {

diff --git a/diff-lib.c b/diff-lib.c
index a310fb2ad08cfb5fac01f5519e8b95b2338b07db..0aba6cda3c01e17b07bb7235b0395ba50256aedd 100644 (file)
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -214,7 +214,7 @@ static int get_stat_data(struct cache_entry *ce,
        const unsigned char *sha1 = ce->sha1;
        unsigned int mode = ce->ce_mode;
 
-       if (!cached) {
+       if (!cached && !ce_uptodate(ce)) {
                int changed;
                struct stat st;
                changed = check_removed(ce, &st);