dm6: get rid of temporary links during garbage collection

If dm6 is interrupted, it can leave temporary link files in the link-dir.
These will artificially inflate the link counts, and prevent those files
from ever being deleted.

diff --git a/dm6 b/dm6
index dbec0475301f71e49e7fdc90adff13ffc6978b92..c824c0e517832fe418d3fb8fc7cec2278d1102c4 100755 (executable)
--- a/dm6
+++ b/dm6
@@ -219,8 +219,8 @@ while (<STDIN>) {
 # Garbage collection
 print STDERR "\nGarbage collection in '$link_dir'...";
 chdir($link_dir) || die "chdir: $link_dir: $!";
-print STDERR "\nRemoving files with link count < 3...";
-system("find . -type f -links -3 -print0 | xargs -0rt rm -f") and die "system: exit status $?";
+print STDERR "\nRemoving files with link count < 3 and temporary links...";
+system('find . -type f \( -links -3 -o -name ".*" \) -print0 | xargs -0rt rm -f') and die "system: exit status $?";
 print STDERR "\nRemoving empty directories...";
 system("find . -type d -empty -print0 | xargs -0rt rmdir -p --ignore-fail-on-non-empty") and die "system: exit status $?";
 print STDERR "\nDone.\n";