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-rwxr-xr-xpkgs/build-support/fetchgit/nix-prefetch-git2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/build-support/fetchgit/nix-prefetch-git b/pkgs/build-support/fetchgit/nix-prefetch-git
index 17962d08acc3..2441da156d1a 100755
--- a/pkgs/build-support/fetchgit/nix-prefetch-git
+++ b/pkgs/build-support/fetchgit/nix-prefetch-git
@@ -184,7 +184,7 @@ init_submodules(){
         local url
 
         # checkout each submodule
-        hash=$(echo "$l" | awk '{print substr($1,2)}')
+        hash=$(echo "$l" | awk '{print $1}' | tr -d '-')
         dir=$(echo "$l" | awk '{print $2}')
         name=$(
             git config -f .gitmodules --get-regexp submodule\..*\.path |