strato-infra/nixos/pkgs/glitch-soc/update.sh

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Executable file

#!/usr/bin/env bash
set -e
URL=https://github.com/mastodon/mastodon.git
POSITIONAL=()
while [[ $# -gt 0 ]]; do
key="$1"
case $key in
--url)
URL="$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+=("$1")
shift # past argument
;;
esac
done
if [[ -z "$VERSION" || -n "$POSITIONAL" ]]; then
echo "Usage: update.sh [--url URL] --ver VERSION [--rev REVISION] [--patches PATCHES]"
echo "URL may be any path acceptable to 'git clone' and VERSION the"
echo "semantic version number. If VERSION is not a revision acceptable to"
echo "'git checkout', you must provide one in REVISION. If URL is not"
echo "provided, it defaults to https://github.com/mastodon/mastodon.git."
echo "PATCHES, if provided, should be one or more Nix expressions"
echo "separated by spaces."
exit 1
fi
if [[ -z "$REVISION" ]]; then
REVISION="$VERSION"
fi
rm -f gemset.nix version.nix source.nix
TARGET_DIR="$PWD"
WORK_DIR=$(mktemp -d)
# Check that working directory was created.
if [[ ! "$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 from $URL"
JSON=$(nix-prefetch-git --url "$URL" --rev "$REVISION" 2> $WORK_DIR/nix-prefetch-git.out)
SHA=$(echo $JSON | jq -r .sha256)
FETCHED_SOURCE_DIR=$(grep '^path is' $WORK_DIR/nix-prefetch-git.out | sed 's/^path is //')
echo "Creating version.nix"
echo \"$VERSION\" | sed 's/^"v/"/' > version.nix
cat > source.nix << EOF
# This file was generated by pkgs.mastodon.updateScript.
{ fetchgit, applyPatches }: let
src = fetchgit {
url = "$URL";
rev = "$REVISION";
sha256 = "$SHA";
};
in applyPatches {
inherit src;
patches = [$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 "" >> $TARGET_DIR/gemset.nix # Create trailing newline to please EditorConfig checks