98 lines
2.7 KiB
Bash
Executable file
98 lines
2.7 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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URL=https://github.com/mastodon/mastodon.git
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POSITIONAL=()
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while [[ $# -gt 0 ]]; do
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key="$1"
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case $key in
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--url)
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URL="$2"
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shift # past argument
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shift # past value
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;;
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--ver)
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VERSION="$2"
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shift # past argument
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shift # past value
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;;
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--rev)
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REVISION="$2"
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shift # past argument
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shift # past value
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;;
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--patches)
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PATCHES="$2"
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shift # past argument
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shift # past value
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;;
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*) # unknown option
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POSITIONAL+=("$1")
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shift # past argument
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;;
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esac
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done
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if [[ -z "$VERSION" || -n "$POSITIONAL" ]]; then
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echo "Usage: update.sh [--url URL] --ver VERSION [--rev REVISION] [--patches PATCHES]"
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echo "URL may be any path acceptable to 'git clone' and VERSION the"
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echo "semantic version number. If VERSION is not a revision acceptable to"
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echo "'git checkout', you must provide one in REVISION. If URL is not"
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echo "provided, it defaults to https://github.com/mastodon/mastodon.git."
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echo "PATCHES, if provided, should be one or more Nix expressions"
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echo "separated by spaces."
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exit 1
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fi
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if [[ -z "$REVISION" ]]; then
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REVISION="$VERSION"
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fi
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rm -f gemset.nix version.nix source.nix
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TARGET_DIR="$PWD"
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WORK_DIR=$(mktemp -d)
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# Check that working directory was created.
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if [[ ! "$WORK_DIR" || ! -d "$WORK_DIR" ]]; then
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echo "Could not create temporary directory"
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exit 1
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fi
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# Delete the working directory on exit.
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function cleanup {
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# Report errors, if any, from nix-prefetch-git
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grep "fatal" $WORK_DIR/nix-prefetch-git.out >/dev/stderr || true
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rm -rf "$WORK_DIR"
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}
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trap cleanup EXIT
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echo "Fetching source code $REVISION from $URL"
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JSON=$(nix-prefetch-git --url "$URL" --rev "$REVISION" 2> $WORK_DIR/nix-prefetch-git.out)
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SHA=$(echo $JSON | jq -r .sha256)
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FETCHED_SOURCE_DIR=$(grep '^path is' $WORK_DIR/nix-prefetch-git.out | sed 's/^path is //')
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echo "Creating version.nix"
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echo \"$VERSION\" | sed 's/^"v/"/' > version.nix
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cat > source.nix << EOF
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# This file was generated by pkgs.mastodon.updateScript.
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{ fetchgit, applyPatches }: let
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src = fetchgit {
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url = "$URL";
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rev = "$REVISION";
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sha256 = "$SHA";
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};
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in applyPatches {
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inherit src;
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patches = [$PATCHES];
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}
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EOF
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SOURCE_DIR="$(nix-build --no-out-link -E '(import <nixpkgs> {}).callPackage ./source.nix {}')"
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echo "Creating gemset.nix"
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bundix --lockfile="$SOURCE_DIR/Gemfile.lock" --gemfile="$SOURCE_DIR/Gemfile"
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echo "" >> $TARGET_DIR/gemset.nix # Create trailing newline to please EditorConfig checks
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