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From: Jeff King <peff@peff•net>
To: git@vger•kernel.org
Cc: Michael Haggerty <mhagger@alum•mit.edu>,
	Junio C Hamano <gitster@pobox•com>
Subject: [PATCH v2 10/25] prune-packed: use for_each_loose_file_in_objdir
Date: Wed, 15 Oct 2014 18:40:53 -0400	[thread overview]
Message-ID: <20141015224053.GJ25630@peff.net> (raw)
In-Reply-To: <20141015223244.GA25368@peff.net>

This saves us from manually traversing the directory
structure ourselves.

Signed-off-by: Jeff King <peff@peff•net>
---
 builtin/prune-packed.c | 69 +++++++++++++++++---------------------------------
 1 file changed, 23 insertions(+), 46 deletions(-)

diff --git a/builtin/prune-packed.c b/builtin/prune-packed.c
index d430731..f24a2c2 100644
--- a/builtin/prune-packed.c
+++ b/builtin/prune-packed.c
@@ -10,65 +10,42 @@ static const char * const prune_packed_usage[] = {
 
 static struct progress *progress;
 
-static void prune_dir(int i, DIR *dir, struct strbuf *pathname, int opts)
+static int prune_subdir(int nr, const char *path, void *data)
 {
-	struct dirent *de;
-	char hex[40];
-	int top_len = pathname->len;
+	int *opts = data;
+	display_progress(progress, nr + 1);
+	if (!(*opts & PRUNE_PACKED_DRY_RUN))
+		rmdir(path);
+	return 0;
+}
+
+static int prune_object(const unsigned char *sha1, const char *path,
+			 void *data)
+{
+	int *opts = data;
 
-	sprintf(hex, "%02x", i);
-	while ((de = readdir(dir)) != NULL) {
-		unsigned char sha1[20];
-		if (strlen(de->d_name) != 38)
-			continue;
-		memcpy(hex + 2, de->d_name, 38);
-		if (get_sha1_hex(hex, sha1))
-			continue;
-		if (!has_sha1_pack(sha1))
-			continue;
+	if (!has_sha1_pack(sha1))
+		return 0;
 
-		strbuf_add(pathname, de->d_name, 38);
-		if (opts & PRUNE_PACKED_DRY_RUN)
-			printf("rm -f %s\n", pathname->buf);
-		else
-			unlink_or_warn(pathname->buf);
-		display_progress(progress, i + 1);
-		strbuf_setlen(pathname, top_len);
-	}
+	if (*opts & PRUNE_PACKED_DRY_RUN)
+		printf("rm -f %s\n", path);
+	else
+		unlink_or_warn(path);
+	return 0;
 }
 
 void prune_packed_objects(int opts)
 {
-	int i;
-	const char *dir = get_object_directory();
-	struct strbuf pathname = STRBUF_INIT;
-	int top_len;
-
-	strbuf_addstr(&pathname, dir);
 	if (opts & PRUNE_PACKED_VERBOSE)
 		progress = start_progress_delay(_("Removing duplicate objects"),
 			256, 95, 2);
 
-	if (pathname.len && pathname.buf[pathname.len - 1] != '/')
-		strbuf_addch(&pathname, '/');
-
-	top_len = pathname.len;
-	for (i = 0; i < 256; i++) {
-		DIR *d;
+	for_each_loose_file_in_objdir(get_object_directory(),
+				      prune_object, NULL, prune_subdir, &opts);
 
-		display_progress(progress, i + 1);
-		strbuf_setlen(&pathname, top_len);
-		strbuf_addf(&pathname, "%02x/", i);
-		d = opendir(pathname.buf);
-		if (!d)
-			continue;
-		prune_dir(i, d, &pathname, opts);
-		closedir(d);
-		strbuf_setlen(&pathname, top_len + 2);
-		rmdir(pathname.buf);
-	}
+	/* Ensure we show 100% before finishing progress */
+	display_progress(progress, 256);
 	stop_progress(&progress);
-	strbuf_release(&pathname);
 }
 
 int cmd_prune_packed(int argc, const char **argv, const char *prefix)
-- 
2.1.2.596.g7379948

  parent reply	other threads:[~2014-10-15 22:41 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-15 22:32 [PATCH v2 0/25] prune-safety Jeff King
2014-10-15 22:33 ` [PATCH v2 01/25] foreach_alt_odb: propagate return value from callback Jeff King
2014-10-15 22:34 ` [PATCH v2 02/25] isxdigit: cast input to unsigned char Jeff King
2014-10-16 17:16   ` Junio C Hamano
2014-10-15 22:34 ` [PATCH v2 03/25] object_array: factor out slopbuf-freeing logic Jeff King
2014-10-16 17:39   ` Junio C Hamano
2014-10-17  0:33     ` git-bundle rev handling and de-duping Jeff King
2014-10-17 21:03       ` Philip Oakley
2014-10-17 22:41         ` Junio C Hamano
2014-10-15 22:34 ` [PATCH v2 04/25] object_array: add a "clear" function Jeff King
2014-10-15 22:35 ` [PATCH v2 05/25] clean up name allocation in prepare_revision_walk Jeff King
2014-10-15 22:37 ` [PATCH v2 06/25] reachable: use traverse_commit_list instead of custom walk Jeff King
2014-10-16 17:53   ` Junio C Hamano
2014-10-15 22:38 ` [PATCH v2 07/25] reachable: reuse revision.c "add all reflogs" code Jeff King
2014-10-15 22:38 ` [PATCH v2 08/25] prune: factor out loose-object directory traversal Jeff King
2014-10-15 22:40 ` [PATCH v2 09/25] reachable: mark index blobs as SEEN Jeff King
2014-10-15 22:40 ` Jeff King [this message]
2014-10-15 22:40 ` [PATCH v2 11/25] count-objects: do not use xsize_t when counting object size Jeff King
2014-10-15 22:41 ` [PATCH v2 12/25] count-objects: use for_each_loose_file_in_objdir Jeff King
2014-10-15 22:41 ` [PATCH v2 13/25] sha1_file: add for_each iterators for loose and packed objects Jeff King
2014-10-15 22:41 ` [PATCH v2 14/25] prune: keep objects reachable from recent objects Jeff King
2014-10-15 22:41 ` [PATCH v2 15/25] pack-objects: refactor unpack-unreachable expiration check Jeff King
2014-10-15 22:42 ` [PATCH v2 16/25] pack-objects: match prune logic for discarding objects Jeff King
2014-10-15 22:42 ` [PATCH v2 17/25] write_sha1_file: freshen existing objects Jeff King
2014-10-15 22:42 ` [PATCH v2 18/25] make add_object_array_with_context interface more sane Jeff King
2014-10-15 22:43 ` [PATCH v2 19/25] traverse_commit_list: support pending blobs/trees with paths Jeff King
2014-10-15 22:43 ` [PATCH v2 20/25] rev-list: document --reflog option Jeff King
2014-10-15 22:44 ` [PATCH v2 21/25] rev-list: add --index-objects option Jeff King
2014-10-16 18:41   ` Junio C Hamano
2014-10-17  0:12     ` Jeff King
2014-10-17  0:43       ` Jeff King
2014-10-17  0:44         ` [PATCH v3 22/26] rev-list: add --indexed-objects option Jeff King
2014-10-17  0:44         ` [PATCH v3 23/26] reachable: use revision machinery's --indexed-objects code Jeff King
2014-10-17  0:44         ` [PATCH v3 24/26] pack-objects: use argv_array Jeff King
2014-10-17  0:44         ` [PATCH v3 25/26] repack: pack objects mentioned by the index Jeff King
2014-10-17  0:44         ` [PATCH v3 26/26] pack-objects: double-check options before discarding objects Jeff King
2014-10-15 22:44 ` [PATCH v2 22/25] reachable: use revision machinery's --index-objects code Jeff King
2014-10-15 22:45 ` [PATCH v2 23/25] pack-objects: use argv_array Jeff King
2014-10-15 22:46 ` [PATCH v2 24/25] repack: pack objects mentioned by the index Jeff King
2014-10-15 22:48 ` [PATCH v2 25/25] pack-objects: double-check options before discarding objects Jeff King
2014-10-16 21:07 ` [PATCH v2 0/25] prune-safety Junio C Hamano
2014-10-16 21:10   ` Junio C Hamano
2014-10-16 21:21   ` Jeff King
2014-10-16 21:39     ` Jeff King
2014-10-16 22:18       ` Junio C Hamano
2014-10-17  0:03         ` Jeff King
     [not found]       ` <CAPc5daX0AFv9jDrFyd_OnupW5AfZW9Je_rgzaViX_xxs3SG5zg@mail.gmail.com>
2014-10-17  4:49         ` Jeff King
2014-10-18 12:31       ` Jeff King

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