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-rwxr-xr-xpkgs/build-support/docker/nix-prefetch-docker7
1 files changed, 4 insertions, 3 deletions
diff --git a/pkgs/build-support/docker/nix-prefetch-docker b/pkgs/build-support/docker/nix-prefetch-docker
index 839dc87487a0..bf01384ccdb4 100755
--- a/pkgs/build-support/docker/nix-prefetch-docker
+++ b/pkgs/build-support/docker/nix-prefetch-docker
@@ -12,6 +12,7 @@ finalImageTag=
 hashType=$NIX_HASH_ALGO
 hashFormat=$hashFormat
 format=nix
+skopeoCmd="skopeo --insecure-policy --tmpdir=$TMPDIR"
 
 usage(){
     echo  >&2 "syntax: nix-prefetch-docker [options] [IMAGE_NAME [IMAGE_TAG|IMAGE_DIGEST]]
@@ -38,7 +39,7 @@ get_image_digest(){
         imageTag="latest"
     fi
 
-    skopeo inspect "docker://$imageName:$imageTag" | jq '.Digest' -r
+    "$skopeoCmd" inspect "docker://$imageName:$imageTag" | jq '.Digest' -r
 }
 
 get_name() {
@@ -127,9 +128,9 @@ trap "rm -rf \"$tmpPath\"" EXIT
 tmpFile="$tmpPath/$(get_name $finalImageName $finalImageTag)"
 
 if test -z "$QUIET"; then
-    skopeo --override-os ${os} --override-arch ${arch} copy "$sourceUrl" "docker-archive://$tmpFile:$finalImageName:$finalImageTag"
+    "$skopeoCmd" --override-os ${os} --override-arch ${arch} copy "$sourceUrl" "docker-archive://$tmpFile:$finalImageName:$finalImageTag"
 else
-    skopeo --override-os ${os} --override-arch ${arch} copy "$sourceUrl" "docker-archive://$tmpFile:$finalImageName:$finalImageTag" > /dev/null
+    "$skopeoCmd" --override-os ${os} --override-arch ${arch} copy "$sourceUrl" "docker-archive://$tmpFile:$finalImageName:$finalImageTag" > /dev/null
 fi
 
 # Compute the hash.