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Re: Git changes permissions on directories when deleting files.

From
Jeff King <peff@peff.net>
Date
Mar 1, 2011, 21:08 UTC
Message-ID
<20110301210852.GB21429@sigill.intra.peff.net>
In-Reply-To
<AANLkTi=UX7VNH+biFgn0FQawP-ttCjW2D7SMf2n6XB6w@mail.gmail.com>
On Tue, Mar 01, 2011 at 03:46:46PM -0500, Chad Joan wrote:
Show 14 quoted lines
> >> I'll do that, but it will probably take a long long time for me to see
> >> the patch.  I'm hoping there's some cheap hack I can use to work
> >> around it in the meantime.
> >
> > I'd say grep for "rmdir" is Git's source code, and replace the calls
> > with a wrapper that does roughly
> >
> > rmdir_wrapper(dir) {
> >        rmdir(dir);
> >        if (stat(dir, &buf))
> >                chmod(dir, buf.st_mode | 0777);
> > }
> >
> OK, I'll try that when I get a chance.
I think this is the cheap hack that you want:
diff --git a/dir.c b/dir.c
index 168dad6..fb6d306 100644
--- a/dir.c
+++ b/dir.c
@@ -1236,6 +1236,29 @@ void setup_standard_excludes(struct dir_struct *dir)
 		add_excludes_from_file(dir, excludes_file);
 }
 
+static int rmdir_on_broken_cifs(const char *path)
+{
+	struct stat sb;
+	if (stat(path, &sb) < 0) {
+		/* Oh well, hopefully if we can't stat it
+		 * it is already gone or we don't have
+		 * permissions to screw it up anyway. */
+		return rmdir(path);
+	}
+	if (rmdir(path) == 0) {
+		/* it worked, nothing to restore */
+		return 0;
+	}
+	/* maybe remove this conditional if you can trigger
+	 * the problem with other types of errors */
+	if (errno != ENOTEMPTY)
+		return -1;
+	if (chmod(path, sb.st_mode) < 0)
+		warning("we probably just screwed up the permissions of %s",
+			path);
+	return -1;
+}
+
 int remove_path(const char *name)
 {
 	char *slash;
@@ -1249,7 +1272,7 @@ int remove_path(const char *name)
 		slash = dirs + (slash - name);
 		do {
 			*slash = '\0';
-		} while (rmdir(dirs) == 0 && (slash = strrchr(dirs, '/')));
+		} while (rmdir_on_broken_cifs(dirs) == 0 && (slash = strrchr(dirs, '/')));
 		free(dirs);
 	}
 	return 0;

Totally untested, of course. But hey, it compiles, so it must be good.

-Peff
Previous: Chad JoanNext: Chad Joan
Message 16 of 19 in “Git changes permissions on directories when deleting files.”
  1. Chad JoanMar 1, 2011
  2. Chad JoanMar 1, 2011
  3. Computer DruidMar 1, 2011
  4. Chad JoanMar 1, 2011
  5. Chad JoanMar 1, 2011
  6. Computer DruidMar 1, 2011
  7. Chad JoanMar 1, 2011
  8. Jeff KingMar 1, 2011
  9. Chad JoanMar 1, 2011
  10. Jeff KingMar 1, 2011
  11. Chad JoanMar 1, 2011
  12. Computer DruidMar 1, 2011
  13. Jeff KingMar 1, 2011
  14. Matthieu MoyMar 1, 2011
  15. Chad JoanMar 1, 2011
  16. Jeff KingMar 1, 2011
  17. Chad JoanMar 3, 2011
  18. Jeff KingMar 3, 2011
  19. Chad JoanMar 11, 2011

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