lix-installer/upload_s3.sh
2023-01-20 09:42:14 -08:00

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set -eu
DEST="$1"
GIT_ISH="$2"
DEST_INSTALL_URL="$3"
is_tag() {
if [[ "$GITHUB_REF_TYPE" == "tag" ]]; then
return 0
else
return 1
fi
}
# If the revision directory has already been created in S3 somehow, we don't want to reupload
if aws s3 ls "$AWS_BUCKET"/"$GIT_ISH"/; then
# Only exit if it's not a tag (since we're tagging a commit previously pushed to main)
if ! is_tag; then
echo "Revision $GIT_ISH was already uploaded; exiting"
exit 1
fi
fi
sudo chown $USER: -R artifacts/
mkdir "$DEST"
mkdir "$GIT_ISH"
cp nix-installer.sh "$DEST"/
cp nix-installer.sh "$GIT_ISH"/
for artifact in $(find artifacts/ -type f); do
chmod +x "$artifact"
cp "$artifact" "$DEST"/
cp "$artifact" "$GIT_ISH"/
done
sed -i "s@https://install.determinate.systems/nix@$DEST_INSTALL_URL@" "$DEST/nix-installer.sh"
sed -i "s@https://install.determinate.systems/nix@https://install.determinate.systems/nix/rev/$GIT_ISH@" "$GIT_ISH/nix-installer.sh"
if is_tag; then
cp "$DEST/nix-installer.sh" ./nix-installer.sh
fi
# If any artifact already exists in S3 and the hash is the same, we don't want to reupload
check_reupload() {
dest="$1"
for file in $(find "$dest" -type f); do
artifact_path="$dest"/"$(basename "$artifact")"
md5="$(md5sum "$artifact" | cut -d' ' -f1)"
obj="$(aws s3api head-object --bucket "$AWS_BUCKET" --key "$artifact_path" || echo '{}')"
obj_md5="$(jq -r .ETag <<<"$obj" | jq -r)" # head-object call returns ETag quoted, so `jq -r` again to unquote it
if [[ "$md5" == "$obj_md5" ]]; then
echo "Artifact $artifact was already uploaded; exiting"
# If we already uploaded to a tag, that's probably bad
is_tag && exit 1 || exit 0
fi
done
}
check_reupload "$DEST"
if ! is_tag; then
check_reupload "$GIT_ISH"
fi
aws s3 sync "$DEST"/ s3://"$AWS_BUCKET"/"$DEST"/ --acl public-read
if ! is_tag; then
aws s3 sync "$GIT_ISH"/ s3://"$AWS_BUCKET"/"$GIT_ISH"/ --acl public-read
fi