Only set git user in CI

Author: thomas-zahner

bump-lychee.sh

@@ -1,21 +1,24 @@
 #! /usr/bin/env bash
 
-set -euo pipefail
+set -eo pipefail
 
 LATEST=$(curl --fail "https://api.github.com/repos/lycheeverse/lychee/releases/latest" | jq -er ".name")
 FILE=src/generate/lychee-version.ts
 
 sed -i -e "s/LYCHEE_VERSION = \"[^\"]*\"/LYCHEE_VERSION = \"$LATEST\"/" $FILE
 
+if [ -n "$CI" ]; then
+    git config user.name "lychee bot"
+    git config user.email "noreply@lychee.cli.rs"
+fi
+
 if git status --porcelain | grep $FILE; then
     echo New version found: $LATEST
     git add $FILE
     BRANCH="bump-$LATEST"
     MESSAGE="Bump lychee: $LATEST"
     git checkout -b $BRANCH
     git add $FILE
-    git config user.name "lychee bot"
-    git config user.email "noreply@lychee.cli.rs"
     git commit --message "$MESSAGE"
     git push -u origin $BRANCH
     gh pr create -B master -H $BRANCH --title "$MESSAGE" --body 'Created by Github action'