1 files changed, 112 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/servers/mastodon/update.sh b/nixpkgs/pkgs/servers/mastodon/update.sh
new file mode 100755
index 000000000000..8e8350431e21
--- /dev/null
+++ b/nixpkgs/pkgs/servers/mastodon/update.sh
@@ -0,0 +1,112 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i bash -p bundix coreutils diffutils nix-prefetch-github gnused jq prefetch-yarn-deps
+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')"
+fi
+
+VERSION="$(echo "$REVISION" | cut -c2-)"
+
+rm -f gemset.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 "$JSON" | jq -r .hash)
+
+cat > source.nix << EOF
+# This file was generated by pkgs.mastodon.updateScript.
+{ fetchFromGitHub, applyPatches, patches ? [] }:
+let
+  version = "$VERSION";
+in
+(
+  applyPatches {
+    src = fetchFromGitHub {
+      owner = "$OWNER";
+      repo = "$REPO";
+      rev = "v\${version}";
+      hash = "$HASH";
+    };
+    patches = patches ++ [$PATCHES];
+  }) // {
+  inherit version;
+  yarnHash = "sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=";
+}
+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="$SOURCE_DIR/Gemfile"
+echo "" >> gemset.nix  # Create trailing newline to please EditorConfig checks
+
+echo "Creating yarn-hash.nix"
+YARN_HASH="$(prefetch-yarn-deps "$SOURCE_DIR/yarn.lock")"
+YARN_HASH="$(nix hash to-sri --type sha256 "$YARN_HASH")"
+sed -i "s/sha256-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=/$YARN_HASH/g" source.nix