Add "--cacheinfo" option to update-cache.

This allows scripts to manually add entries to the cache explicitly.

Need to do some way to remove them too, even if the path exists.

diff --git a/update-cache.c b/update-cache.c
index 85d0591..065705a 100644 (file)
--- a/update-cache.c
+++ b/update-cache.c
@@ -235,6 +235,35 @@ inside:
        }
 }
 
+static int add_cacheinfo(char *arg1, char *arg2, char *arg3)
+{
+       int size, len;
+       unsigned int mode;
+       unsigned char sha1[20];
+       struct cache_entry *ce;
+
+       if (sscanf(arg1, "%o", &mode) != 1)
+               return -1;
+       printf("got mode %o\n", mode);
+       if (get_sha1_hex(arg2, sha1))
+               return -1;
+       printf("got sha1 %s\n", sha1_to_hex(sha1));
+       if (!verify_path(arg3))
+               return -1;
+       printf("got path %s\n", arg3);
+
+       len = strlen(arg3);
+       size = cache_entry_size(len);
+       ce = malloc(size);
+       memset(ce, 0, size);
+
+       memcpy(ce->sha1, sha1, 20);
+       memcpy(ce->name, arg3, len);
+       ce->ce_namelen = htons(len);
+       ce->ce_mode = htonl(mode);
+       return add_cache_entry(ce, allow_add);
+}
+
 static int remove_lock = 0;
 
 static void remove_lock_file(void)
@@ -279,6 +308,12 @@ int main(int argc, char **argv)
                                refresh_cache();
                                continue;
                        }
+                       if (!strcmp(path, "--cacheinfo")) {
+                               if (i+3 >= argc || add_cacheinfo(argv[i+1], argv[i+2], argv[i+3]))
+                                       die("update-cache: --cacheinfo <mode> <sha1> <path>");
+                               i += 3;
+                               continue;
+                       }
                        die("unknown option %s", path);
                }
                if (!verify_path(path)) {