Code

unpack-trees: fix path search bug in verify_absent
[git.git] / builtin-prune.c
index bb8ead92cf41c3cbdbc421a1490fb40ce19f11c3..c767a0ac8930166315c26d8ece2e72b4f1942d55 100644 (file)
@@ -4,11 +4,31 @@
 #include "revision.h"
 #include "builtin.h"
 #include "reachable.h"
+#include "parse-options.h"
 
-static const char prune_usage[] = "git-prune [-n]";
+static const char * const prune_usage[] = {
+       "git prune [-n] [--expire <time>] [--] [<head>...]",
+       NULL
+};
 static int show_only;
 static unsigned long expire;
 
+static int prune_tmp_object(char *path, const char *filename)
+{
+       const char *fullpath = mkpath("%s/%s", path, filename);
+       if (expire) {
+               struct stat st;
+               if (lstat(fullpath, &st))
+                       return error("Could not stat '%s'", fullpath);
+               if (st.st_mtime > expire)
+                       return 0;
+       }
+       printf("Removing stale temporary file %s\n", fullpath);
+       if (!show_only)
+               unlink(fullpath);
+       return 0;
+}
+
 static int prune_object(char *path, const char *filename, const unsigned char *sha1)
 {
        const char *fullpath = mkpath("%s/%s", path, filename);
@@ -65,6 +85,10 @@ static int prune_dir(int i, char *path)
                        prune_object(path, de->d_name, sha1);
                        continue;
                }
+               if (!prefixcmp(de->d_name, "tmp_obj_")) {
+                       prune_tmp_object(path, de->d_name);
+                       continue;
+               }
                fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name);
        }
        if (!show_only)
@@ -101,57 +125,43 @@ static void remove_temporary_files(void)
                        dirname);
                return;
        }
-       while ((de = readdir(dir)) != NULL) {
-               if (!prefixcmp(de->d_name, "tmp_")) {
-                       char name[PATH_MAX];
-                       int c = snprintf(name, PATH_MAX, "%s/%s",
-                                        dirname, de->d_name);
-                       if (c < 0 || c >= PATH_MAX)
-                               continue;
-                       if (expire) {
-                               struct stat st;
-                               if (stat(name, &st) != 0 || st.st_mtime >= expire)
-                                       continue;
-                       }
-                       printf("Removing stale temporary file %s\n", name);
-                       if (!show_only)
-                               unlink(name);
-               }
-       }
+       while ((de = readdir(dir)) != NULL)
+               if (!prefixcmp(de->d_name, "tmp_"))
+                       prune_tmp_object(dirname, de->d_name);
        closedir(dir);
 }
 
 int cmd_prune(int argc, const char **argv, const char *prefix)
 {
-       int i;
        struct rev_info revs;
-
-       for (i = 1; i < argc; i++) {
-               const char *arg = argv[i];
-               if (!strcmp(arg, "-n")) {
-                       show_only = 1;
-                       continue;
-               }
-               if (!strcmp(arg, "--expire")) {
-                       if (++i < argc) {
-                               expire = approxidate(argv[i]);
-                               continue;
-                       }
-               }
-               else if (!prefixcmp(arg, "--expire=")) {
-                       expire = approxidate(arg + 9);
-                       continue;
-               }
-               usage(prune_usage);
-       }
+       const struct option options[] = {
+               OPT_BOOLEAN('n', NULL, &show_only,
+                           "do not remove, show only"),
+               OPT_DATE(0, "expire", &expire,
+                        "expire objects older than <time>"),
+               OPT_END()
+       };
 
        save_commit_buffer = 0;
        init_revisions(&revs, prefix);
-       mark_reachable_objects(&revs, 1);
 
+       argc = parse_options(argc, argv, options, prune_usage, 0);
+       while (argc--) {
+               unsigned char sha1[20];
+               const char *name = *argv++;
+
+               if (!get_sha1(name, sha1)) {
+                       struct object *object = parse_object(sha1);
+                       if (!object)
+                               die("bad object: %s", name);
+                       add_pending_object(&revs, object, "");
+               }
+               else
+                       die("unrecognized argument: %s", name);
+       }
+       mark_reachable_objects(&revs, 1);
        prune_object_dir(get_object_directory());
 
-       sync();
        prune_packed_objects(show_only);
        remove_temporary_files();
        return 0;