Add prepare script for Safari

From refined-github/refined-github#5491

.gitignore

@@ -3,3 +3,4 @@ yarn.lock
 distribution
 .cache
 .parcel-cache
+LocalOverrides.xcconfig

package.json

@@ -4,6 +4,7 @@
 		"build": "parcel build source/manifest.json --dist-dir distribution --no-cache --no-content-hash --no-source-maps --detailed-report 0",
 		"lint": "xo",
 		"pack:safari": "xcodebuild -project 'safari/GhostText.xcodeproj'",
+		"prepare:safari": "bash safari/prepare-release.sh",
 		"start:safari": "open 'safari/build/Release/GhostText.app'",
 		"test": "xo && npm run build",
 		"watch": "parcel watch source/manifest.json --dist-dir distribution --no-cache --no-hmr"

safari/Shared.xcconfig

@@ -1,2 +1,4 @@
-MARKETING_VERSION = 21.2.4
-CURRENT_PROJECT_VERSION = 2
+MARKETING_VERSION = 0.0.0
+CURRENT_PROJECT_VERSION = 1
+
+#include? "LocalOverrides.xcconfig"

safari/prepare-release.sh

@@ -0,0 +1,29 @@
+#! /bin/bash
+
+# Automatically exit on error
+set -e
+
+CONFIG_FILE=./safari/LocalOverrides.xcconfig
+
+TAG=$(git describe --tags --abbrev=0)
+
+if [[ $(git describe --tags) != "$TAG" ]]; then
+	echo You’re ahead of the latest tag. Run:
+	echo git checkout "$TAG"
+	exit 1
+fi
+
+PROJECT_VERSION=$(sed -n 's/^CURRENT_PROJECT_VERSION = \(.*\)/\1/p' < $CONFIG_FILE)
+NEXT_PROJECT_VERSION=$((PROJECT_VERSION + 1))
+
+echo "Will bump the project version" "$PROJECT_VERSION"
+
+trash distribution
+npm run build
+npx dot-json distribution/manifest.json version "$TAG"
+
+sed -i '' '/MARKETING_VERSION/d' $CONFIG_FILE
+sed -i '' '/CURRENT_PROJECT_VERSION/d' $CONFIG_FILE
+
+echo "MARKETING_VERSION = $TAG" >> $CONFIG_FILE
+echo "CURRENT_PROJECT_VERSION = $NEXT_PROJECT_VERSION" >> $CONFIG_FILE