X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-prune.c;h=7b4ec80e62997fe70f53c92380cd4d66e80d62a0;hb=20f7a39825e30891056ab00ea620eaffda6aa451;hp=b5e768421ba548efaf0dd62ca876c15911df55d2;hpb=c477553b2f4f621216b25800e121af52e0750087;p=git.git

diff --git a/builtin-prune.c b/builtin-prune.c
index b5e768421..7b4ec80e6 100644
--- a/builtin-prune.c
+++ b/builtin-prune.c
@@ -4,11 +4,32 @@
 #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] [-v] [--expire <time>] [--] [<head>...]",
+	NULL
+};
 static int show_only;
+static int verbose;
 static unsigned long expire;
 
+static int prune_tmp_object(const 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);
@@ -19,11 +40,12 @@ static int prune_object(char *path, const char *filename, const unsigned char *s
 		if (st.st_mtime > expire)
 			return 0;
 	}
-	if (show_only) {
+	if (show_only || verbose) {
 		enum object_type type = sha1_object_info(sha1, NULL);
 		printf("%s %s\n", sha1_to_hex(sha1),
 		       (type > 0) ? typename(type) : "unknown");
-	} else
+	}
+	if (!show_only)
 		unlink(fullpath);
 	return 0;
 }
@@ -65,6 +87,10 @@ 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)
@@ -83,37 +109,66 @@ static void prune_object_dir(const char *path)
 	}
 }
 
-int cmd_prune(int argc, const char **argv, const char *prefix)
+/*
+ * Write errors (particularly out of space) can result in
+ * failed temporary packs (and more rarely indexes and other
+ * files begining with "tmp_") accumulating in the object
+ * and the pack directories.
+ */
+static void remove_temporary_files(const char *path)
 {
-	int i;
-	struct rev_info revs;
+	DIR *dir;
+	struct dirent *de;
 
-	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);
+	dir = opendir(path);
+	if (!dir) {
+		fprintf(stderr, "Unable to open directory %s\n", path);
+		return;
 	}
+	while ((de = readdir(dir)) != NULL)
+		if (!prefixcmp(de->d_name, "tmp_"))
+			prune_tmp_object(path, de->d_name);
+	closedir(dir);
+}
+
+int cmd_prune(int argc, const char **argv, const char *prefix)
+{
+	struct rev_info revs;
+	const struct option options[] = {
+		OPT_BOOLEAN('n', NULL, &show_only,
+			    "do not remove, show only"),
+		OPT_BOOLEAN('v', NULL, &verbose,
+			"report pruned objects"),
+		OPT_DATE(0, "expire", &expire,
+			 "expire objects older than <time>"),
+		OPT_END()
+	};
+	char *s;
 
 	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(get_object_directory());
+	s = xstrdup(mkpath("%s/pack", get_object_directory()));
+	remove_temporary_files(s);
+	free(s);
 	return 0;
 }
