git/list[1] front-page[2] threads[3] people[4] search[5] about
 

[PATCH v2 10/25] prune-packed: use for_each_loose_file_in_objdir

From
Jeff King <peff@peff.net>
Date
Oct 15, 2014, 22:40 UTC
Message-ID
<20141015224053.GJ25630@peff.net>
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
Previous: Jeff KingNext: Jeff King
Message 17 of 48 in “prune-safety”
  1. 0/25 prune-safetyJeff King, Oct 15, 2014
  2. 01/25 foreach_alt_odb: propagate return value from callbackJeff King, Oct 15, 2014
  3. 02/25 isxdigit: cast input to unsigned charJeff King, Oct 15, 2014
  4. Junio C HamanoOct 16, 2014
  5. 03/25 object_array: factor out slopbuf-freeing logicJeff King, Oct 15, 2014
  6. Junio C HamanoOct 16, 2014
  7. git-bundle rev handling and de-dupingJeff King, Oct 17, 2014
  8. Philip OakleyOct 17, 2014
  9. Junio C HamanoOct 17, 2014
  10. 04/25 object_array: add a "clear" functionJeff King, Oct 15, 2014
  11. 05/25 clean up name allocation in prepare_revision_walkJeff King, Oct 15, 2014
  12. 06/25 reachable: use traverse_commit_list instead of custom walkJeff King, Oct 15, 2014
  13. Junio C HamanoOct 16, 2014
  14. 07/25 reachable: reuse revision.c "add all reflogs" codeJeff King, Oct 15, 2014
  15. 08/25 prune: factor out loose-object directory traversalJeff King, Oct 15, 2014
  16. 09/25 reachable: mark index blobs as SEENJeff King, Oct 15, 2014
  17. 10/25 prune-packed: use for_each_loose_file_in_objdirJeff King, Oct 15, 2014
  18. 11/25 count-objects: do not use xsize_t when counting object sizeJeff King, Oct 15, 2014
  19. 12/25 count-objects: use for_each_loose_file_in_objdirJeff King, Oct 15, 2014
  20. 13/25 sha1_file: add for_each iterators for loose and packed objectsJeff King, Oct 15, 2014
  21. 14/25 prune: keep objects reachable from recent objectsJeff King, Oct 15, 2014
  22. 15/25 pack-objects: refactor unpack-unreachable expiration checkJeff King, Oct 15, 2014
  23. 16/25 pack-objects: match prune logic for discarding objectsJeff King, Oct 15, 2014
  24. 17/25 write_sha1_file: freshen existing objectsJeff King, Oct 15, 2014
  25. 18/25 make add_object_array_with_context interface more saneJeff King, Oct 15, 2014
  26. 19/25 traverse_commit_list: support pending blobs/trees with pathsJeff King, Oct 15, 2014
  27. 20/25 rev-list: document --reflog optionJeff King, Oct 15, 2014
  28. 21/25 rev-list: add --index-objects optionJeff King, Oct 15, 2014
  29. Junio C HamanoOct 16, 2014
  30. Jeff KingOct 17, 2014
  31. Jeff KingOct 17, 2014
  32. 22/26 rev-list: add --indexed-objects optionJeff King, Oct 17, 2014
  33. 23/26 reachable: use revision machinery's --indexed-objects codeJeff King, Oct 17, 2014
  34. 24/26 pack-objects: use argv_arrayJeff King, Oct 17, 2014
  35. 25/26 repack: pack objects mentioned by the indexJeff King, Oct 17, 2014
  36. 26/26 pack-objects: double-check options before discarding objectsJeff King, Oct 17, 2014
  37. 22/25 reachable: use revision machinery's --index-objects codeJeff King, Oct 15, 2014
  38. 23/25 pack-objects: use argv_arrayJeff King, Oct 15, 2014
  39. 24/25 repack: pack objects mentioned by the indexJeff King, Oct 15, 2014
  40. 25/25 pack-objects: double-check options before discarding objectsJeff King, Oct 15, 2014
  41. Junio C HamanoOct 16, 2014
  42. Junio C HamanoOct 16, 2014
  43. Jeff KingOct 16, 2014
  44. Jeff KingOct 16, 2014
  45. Junio C HamanoOct 16, 2014
  46. Jeff KingOct 17, 2014
  47. Jeff KingOct 18, 2014
  48. Jeff KingOct 17, 2014

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.