39 lines
1 KiB
Nix
39 lines
1 KiB
Nix
{
|
|
nix-prefetch-docker,
|
|
skopeo,
|
|
writeShellApplication,
|
|
...
|
|
}:
|
|
writeShellApplication {
|
|
name = "updateImages";
|
|
|
|
runtimeInputs = [
|
|
(writeShellApplication {
|
|
name = "pullImage";
|
|
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)
|
|
|
|
output="$IMAGE $TAG"
|
|
|
|
if ! grep "Locked" "$FILE"; then
|
|
if [[ "$CURRENT_DIGEST" != "$NEW_DIGEST" ]]; then
|
|
echo -e "• $output:\n $CURRENT_DIGEST\n → $NEW_DIGEST\n"
|
|
PREFETCH=$(nix-prefetch-docker "$IMAGE" "$TAG")
|
|
echo -e "pkgs:\npkgs.dockerTools.pullImage $PREFETCH" > "$FILE"
|
|
fi
|
|
fi
|
|
'';
|
|
})
|
|
];
|
|
|
|
text = ''
|
|
DIR=''${1:-"."}
|
|
find "$DIR"/images -type f -exec pullImage {} \;
|
|
'';
|
|
}
|