nixpkgs/pkgs/servers/mastodon/update.sh
2023-07-22 01:46:47 +02:00

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#!/usr/bin/env nix-shell
#! nix-shell -i bash -p yarn2nix bundix coreutils diffutils nix-prefetch-github gnused jq
set -e
OWNER=mastodon
REPO=mastodon
POSITIONAL=()
while [[ $# -gt 0 ]]; do
key="$1"
case $key in
--owner)
OWNER="$2"
shift # past argument
shift # past value
;;
--repo)
REPO="$2"
shift # past argument
shift # past value
;;
--ver)
VERSION="$2"
shift # past argument
shift # past value
;;
--rev)
REVISION="$2"
shift # past argument
shift # past value
;;
--patches)
PATCHES="$2"
shift # past argument
shift # past value
;;
*) # unknown option
POSITIONAL+=("$1")
shift # past argument
;;
esac
done
if [[ -n "$POSITIONAL" ]]; then
echo "Usage: update.sh [--owner OWNER] [--repo REPO] [--ver VERSION] [--rev REVISION] [--patches PATCHES]"
echo "OWNER and REPO must be paths on github."
echo "If REVISION is not provided, the latest tag from github.com/mastodon/mastodon is fetched and VERSION is calculated from it."
echo "If OWNER and REPO are not provided, it defaults they default to mastodon and mastodon."
echo "PATCHES, if provided, should be one or more Nix expressions separated by spaces."
exit 1
fi
if [[ -z "$REVISION" ]]; then
REVISION="$(curl ${GITHUB_TOKEN:+" -u \":$GITHUB_TOKEN\""} -s "https://api.github.com/repos/$OWNER/$REPO/releases" | jq -r 'map(select(.prerelease == false)) | .[0].tag_name')"
VERSION="$(echo "$REVISION" | cut -c2-)"
fi
rm -f gemset.nix version.nix source.nix
cd "$(dirname "${BASH_SOURCE[0]}")" || exit 1
WORK_DIR=$(mktemp -d)
# Check that working directory was created.
if [[ -z "$WORK_DIR" || ! -d "$WORK_DIR" ]]; then
echo "Could not create temporary directory"
exit 1
fi
# Delete the working directory on exit.
function cleanup {
# Report errors, if any, from nix-prefetch-git
grep "fatal" $WORK_DIR/nix-prefetch-git.out >/dev/stderr || true
rm -rf "$WORK_DIR"
}
trap cleanup EXIT
echo "Fetching source code $REVISION"
JSON=$(nix-prefetch-github "$OWNER" "$REPO" --rev "$REVISION" 2> $WORK_DIR/nix-prefetch-git.out)
HASH=$(echo "$JSON" | jq -r .hash)
echo "Creating version.nix"
echo "\"$VERSION\"" | sed 's/^"v/"/' > version.nix
cat > source.nix << EOF
# This file was generated by pkgs.mastodon.updateScript.
{ fetchFromGitHub, applyPatches }: let
src = fetchFromGitHub {
owner = "$OWNER";
repo = "$REPO";
rev = "$REVISION";
hash = "$HASH";
};
in applyPatches {
inherit src;
patches = [$PATCHES];
}
EOF
SOURCE_DIR="$(nix-build --no-out-link -E '(import <nixpkgs> {}).callPackage ./source.nix {}')"
echo "Creating gemset.nix"
bundix --lockfile="$SOURCE_DIR/Gemfile.lock" --gemfile="$SOURCE_DIR/Gemfile"
echo "" >> gemset.nix # Create trailing newline to please EditorConfig checks