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-rw-r--r--lib/PublicInbox/Git.pm3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/PublicInbox/Git.pm b/lib/PublicInbox/Git.pm
index f125b029..af12f141 100644
--- a/lib/PublicInbox/Git.pm
+++ b/lib/PublicInbox/Git.pm
@@ -96,7 +96,8 @@ sub new {
         $git_dir =~ tr!/!/!s;
         chop $git_dir;
         # may contain {-tmp} field for File::Temp::Dir
-        bless { git_dir => $git_dir }, $class
+        my %dedupe = ($git_dir => undef);
+        bless { git_dir => (keys %dedupe)[0] }, $class
 }
 
 sub git_path ($$) {