Add workflow to change env vars

.github/workflows/replace-env-value.yml

@@ -0,0 +1,84 @@
+name: Replace environment variable in file
+on:
+  workflow_dispatch:
+    inputs:
+      filepath:
+        type: string
+        description: "What file needs to be edited?"
+      envvar:
+        type: string
+        description: "What environment variable needs to be edited?"
+      envvalue:
+        type: string
+        description: "What environment variable value needs to be used?"
+permissions:
+  contents: write
+  pull-requests: write
+
+env:
+  INPUT_FILEPATH: ${{ github.event.inputs.filepath }}
+  INPUT_ENVVAR: ${{ github.event.inputs.envvar }}
+  INPUT_ENVVALUE: ${{ github.event.inputs.envvalue }}
+
+jobs:
+  tag:
+    name: Replace environment variable in file
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v2
+      - name: Replace tags
+        run: |
+          bash ./scripts/replace-env-value-in-file.sh ${INPUT_FILEPATH} ${INPUT_ENVVAR} ${INPUT_ENVVALUE}
+      - name: Check for repository changes
+        run: |
+          if git diff --name-only --exit-code; then
+            echo "No changes found in repository"
+            echo "changes_exist=false" >> $GITHUB_ENV
+          else
+            echo "Changes found in repository"
+            git diff --name-only
+            echo "changes_exist=true" >> $GITHUB_ENV
+          fi
+      - name: Create branch, commit and push
+        if: ${{ env.changes_exist == 'true' }}
+        id: branch
+        run: |
+          BRANCH="githubaction-replace-envvar-$(date +%Y-%m-%d-%H-%M-%S)"
+          echo "::set-output name=branch::$BRANCH"
+          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git config --global user.name "github-actions[bot]"
+          git checkout -b "$BRANCH"
+          git commit -a -m "change env var ${INPUT_ENVVAR} to ${INPUT_ENVVALUE} [CI SKIP]"
+          git push origin "$BRANCH"
+      - name: Create Pull Request
+        if: ${{ env.changes_exist == 'true' }}
+        id: cpr
+        uses: actions/github-script@v5.0.0
+        env:
+          SOURCE_BRANCH: ${{ steps.branch.outputs.branch }}
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const { INPUT_ENVVAR, INPUT_ENVVALUE } = process.env
+
+            const { data: pr } = await github.rest.pulls.create({
+              title: `[${{ github.ref_name }}] change env var ${INPUT_ENVVAR} to ${INPUT_ENVVALUE}`,
+              body: 'Auto-generated by GitHub Actions',
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              base: "${{ github.ref_name }}",
+              head: `${ process.env.SOURCE_BRANCH }`
+            });
+            await github.rest.issues.addLabels({
+              ...context.repo,
+              issue_number: pr.number,
+              labels: ["status/auto-created"],
+            });
+            console.log('Created new pull request');
+            return pr.html_url;
+      - name: Check outputs
+        if: ${{ env.changes_exist == 'true' }}
+        run: |
+          echo "Pull Request URL - ${{ steps.cpr.outputs.result }}"
+          echo "::notice file=.github,line=1,col=1::Pull Request URL - ${{ steps.cpr.outputs.result }}"

scripts/replace-env-value-in-file.sh

@@ -0,0 +1,18 @@
+if [ $# -ne 3 ]; then
+  echo "Usage: $0 <filepath> <env_var_to_replace> <new_value>"
+  exit 1
+fi
+
+FILEPATH=$1
+REPLACE_ENV=$2
+REPLACE_VALUE=$3
+
+TMPFILE=$(mktemp)
+
+# Check if equal sign is present
+if grep "ENV ${REPLACE_ENV}" $FILEPATH | grep -q '='; then
+  awk -F'=' 'BEGIN {OFS = FS} /ENV '"${REPLACE_ENV}"'/{$NF="'"${REPLACE_VALUE}"'"} 1' $FILEPATH > $TMPFILE && mv $TMPFILE $FILEPATH
+else
+  awk '/ENV '"${REPLACE_ENV}"'/{$NF="'"${REPLACE_VALUE}"'"} 1' $FILEPATH > $TMPFILE && mv $TMPFILE $FILEPATH
+fi
+