git-verify-pack: make builtin

[thirdparty/git.git] / builtin-verify-pack.c

diff --git a/builtin-verify-pack.c b/builtin-verify-pack.c
new file mode 100644 (file)
index 0000000..d700761
--- /dev/null
+++ b/builtin-verify-pack.c
@@ -0,0 +1,79 @@
+#include "builtin.h"
+#include "cache.h"
+#include "pack.h"
+
+static int verify_one_pack(const char *path, int verbose)
+{
+       char arg[PATH_MAX];
+       int len;
+       struct packed_git *pack;
+       int err;
+
+       len = strlcpy(arg, path, PATH_MAX);
+       if (len >= PATH_MAX)
+               return error("name too long: %s", path);
+
+       /*
+        * In addition to "foo.idx" we accept "foo.pack" and "foo";
+        * normalize these forms to "foo.idx" for add_packed_git().
+        */
+       if (has_extension(arg, len, ".pack")) {
+               strcpy(arg + len - 5, ".idx");
+               len--;
+       } else if (!has_extension(arg, len, ".idx")) {
+               if (len + 4 >= PATH_MAX)
+                       return error("name too long: %s.idx", arg);
+               strcpy(arg + len, ".idx");
+               len += 4;
+       }
+
+       /*
+        * add_packed_git() uses our buffer (containing "foo.idx") to
+        * build the pack filename ("foo.pack").  Make sure it fits.
+        */
+       if (len + 1 >= PATH_MAX) {
+               arg[len - 4] = '\0';
+               return error("name too long: %s.pack", arg);
+       }
+
+       pack = add_packed_git(arg, len, 1);
+       if (!pack)
+               return error("packfile %s not found.", arg);
+
+       err = verify_pack(pack, verbose);
+       free(pack);
+
+       return err;
+}
+
+static const char verify_pack_usage[] = "git-verify-pack [-v] <pack>...";
+
+int cmd_verify_pack(int argc, const char **argv, const char *prefix)
+{
+       int err = 0;
+       int verbose = 0;
+       int no_more_options = 0;
+       int nothing_done = 1;
+
+       while (1 < argc) {
+               if (!no_more_options && argv[1][0] == '-') {
+                       if (!strcmp("-v", argv[1]))
+                               verbose = 1;
+                       else if (!strcmp("--", argv[1]))
+                               no_more_options = 1;
+                       else
+                               usage(verify_pack_usage);
+               }
+               else {
+                       if (verify_one_pack(argv[1], verbose))
+                               err = 1;
+                       nothing_done = 0;
+               }
+               argc--; argv++;
+       }
+
+       if (nothing_done)
+               usage(verify_pack_usage);
+
+       return err;
+}