checkout-index: work from subdirectory.

With this, git-checkout-index from a subdirectory works as
expected.  Note that "git-checkout-index -a" checks out files
only in the current directory and under.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/checkout-index.c b/checkout-index.c
index dab3778..f1e716d 100644 (file)
--- a/checkout-index.c
+++ b/checkout-index.c
@@ -34,6 +34,9 @@
  */
 #include "cache.h"
 
+static const char *prefix;
+static int prefix_length;
+
 static struct checkout state = {
        .base_dir = "",
        .base_dir_len = 0,
@@ -69,6 +72,10 @@ static int checkout_all(void)
                struct cache_entry *ce = active_cache[i];
                if (ce_stage(ce))
                        continue;
+               if (prefix && *prefix &&
+                   ( ce_namelen(ce) <= prefix_length ||
+                     memcmp(prefix, ce->name, prefix_length) ))
+                       continue;
                if (checkout_entry(ce, &state) < 0)
                        errs++;
        }
@@ -91,6 +98,9 @@ int main(int argc, char **argv)
        int newfd = -1;
        int all = 0;
 
+       prefix = setup_git_directory();
+       prefix_length = prefix ? strlen(prefix) : 0;
+
        if (read_cache() < 0) {
                die("invalid cache");
        }
@@ -155,7 +165,7 @@ int main(int argc, char **argv)
 
                if (all)
                        die("git-checkout-index: don't mix '--all' and explicit filenames");
-               checkout_file(arg);
+               checkout_file(prefix_path(prefix, prefix_length, arg));
        }
 
        if (all)