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feat(updateImage): check version before downloading image
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matt1432 2024-04-09 20:33:00 -04:00
parent 974d231027
commit b1162ce7a8
1 changed files with 10 additions and 3 deletions
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13
modules/arion/default.nix
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@ -103,17 +103,24 @@ in {
runtimeInputs = [
(writeShellApplication {
name = "pullImage";
runtimeInputs = [nix-prefetch-docker];
runtimeInputs = [nix-prefetch-docker skopeo];
text = ''
FILE="$1"
IMAGE=$(sed -n 's/.*imageName = "\([^"]*\).*/\1/p' "$FILE")
TAG=$(sed -n 's/.*finalImageTag = "\([^"]*\).*/\1/p' "$FILE")
CURRENT_DIGEST=$(sed -n 's/.*imageDigest = "\([^"]*\).*/\1/p' "$FILE")
NEW_DIGEST=$(skopeo inspect "docker://$IMAGE:$TAG" | jq '.Digest' -r)
echo "$IMAGE $TAG"
if ! grep "Locked" "$FILE"; then
PREFETCH=$(nix-prefetch-docker "$IMAGE" "$TAG")
echo -e "pkgs:\npkgs.dockerTools.pullImage $PREFETCH" > "$FILE"
if [[ "$CURRENT_DIGEST" == "$NEW_DIGEST" ]]; then
echo "Already up-to-date"
else
PREFETCH=$(nix-prefetch-docker "$IMAGE" "$TAG")
echo -e "pkgs:\npkgs.dockerTools.pullImage $PREFETCH" > "$FILE"
fi
fi
'';
})