close-merge input

Fixes: https://code.forgejo.org/actions/cascading-pr/issues/7

README.md

@@ -46,6 +46,7 @@ pushed as a new commit in the PR.
 | destination-token | a token with write permission on destination-repo | `true` |  |
 | update | path to the script to update the content of the cascading PR | `true` |  |
 | prefix | prefix of the cascading PR created on destination-repo (default to {origin-repo}) | `false` |  |
+| close-merge | if true the cascading PR will be closed and the branch deleted when the PR is merged | `false` | false |
 | verbose | if true print verbose information | `false` | false |
 | debug | if true print debug information | `false` | false |
 <!-- action-docs-inputs -->

action.yml

@@ -60,6 +60,9 @@ inputs:
     required: true
   prefix:
     description: 'prefix of the cascading PR created on destination-repo (default to {origin-repo})'
+  close-merge:
+    description: 'if true the cascading PR will be closed and the branch deleted when the PR is merged'
+    default: false
   verbose:
     description: 'if true print verbose information'
     default: false
@@ -97,4 +100,5 @@ runs:
                         --destination-branch "${{ inputs.destination-branch }}" \
                         --update "${{ inputs.update }}" \
                         --prefix "${{ inputs.prefix }}" \
+                        --close-merge "${{ inputs.close-merge }}" \
                         run

cascading-pr.sh

@@ -241,6 +241,7 @@ function finalize_options() {
     options[destination_base]=${options[destination_branch]}
     : ${options[prefix]:=${options[origin_repo]}}
     options[destination_head]=${options[prefix]}-${options[origin_pr]}
+    : ${options[close_merge]:=false}
 }
 
 function run() {
@@ -262,11 +263,17 @@ function run() {
 	    ;;
 	closed)
 	    if "$(pr_merged origin)"; then
-		log_info "PR was merged, update the cascade PR"
-		repo_login ${options[destination_repo]}
-		pr_get origin
-		pr_get destination
-		update
+		if "${options[close_merge]}" ; then
+		    log_info "PR is merged, close the cascade PR and remove the branch"
+		    repo_login ${options[destination_repo]}
+		    close_pr
+		else
+		    log_info "PR was merged, update the cascade PR"
+		    repo_login ${options[destination_repo]}
+		    pr_get origin
+		    pr_get destination
+		    update
+		fi
 	    else
 		log_info "PR is closed, close the cascade PR and remove the branch"
 		repo_login ${options[destination_repo]}
@@ -340,6 +347,11 @@ function main() {
 		options[prefix]=$1
 		shift
 		;;
+	    --close-merge)
+		shift
+		options[close_merge]=$1
+		shift
+		;;
 	    *)
 		finalize_options
 		"${1:-run}"

tests/originrepo-close-merge/.forgejo/workflows/test.yml

@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: MIT
+name: test
+on:
+  pull_request_target:
+    types:
+      - opened
+      - synchronize
+      - closed
+jobs:
+  test:
+    runs-on: docker
+    steps:
+      - uses: actions/checkout@v4
+      - uses: SELF@vTest
+        with:
+          origin-url: ${{ env.GITHUB_SERVER_URL }}
+          origin-repo: user1/originrepo-close-merge
+          origin-token: ${{ secrets.ORIGIN_TOKEN }}
+          origin-pr: ${{ github.event.pull_request.number }}
+          destination-url: ${{ env.GITHUB_SERVER_URL }}
+          destination-repo: user2/destinationrepo
+          destination-branch: main
+          destination-token: ${{ secrets.DESTINATION_TOKEN }}
+          update: ./upgraded
+          close-merge: true
+          debug: true

tests/originrepo-close-merge/README

@@ -0,0 +1 @@
+originrepo

tests/originrepo-close-merge/upgraded

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+set -ex
+
+destination_checkout="$1"
+destination_pr_json="$2"
+origin_pr_json="$3"
+
+test -d $destination_checkout
+test -f $origin_pr_json
+
+date +%s > $destination_checkout/last

tests/run.sh

@@ -64,13 +64,15 @@ function close_pull_request() {
 }
 
 function merge_pull_request() {
-    forgejo-curl.sh api_json ${options[url]}/api/v1/repos/user1/originrepo/pulls | jq --raw-output '.[] | .number' | while read pr ; do
-	forgejo-curl.sh api_json --data '{"Do":"merge"}' ${options[url]}/api/v1/repos/user1/originrepo/pulls/$pr/merge
+    local repo=$1
+
+    forgejo-curl.sh api_json ${options[url]}/api/v1/repos/user1/${repo}/pulls | jq --raw-output '.[] | .number' | while read pr ; do
+	forgejo-curl.sh api_json --data '{"Do":"merge"}' ${options[url]}/api/v1/repos/user1/${repo}/pulls/$pr/merge
     done
 }
 
 function has_cascade_pull_request() {
-    pr_count=$(forgejo-curl.sh api_json ${options[url]}/api/v1/repos/user2/destinationrepo/pulls | jq '. | length')
+    pr_count=$(forgejo-curl.sh api_json ${options[url]}/api/v1/repos/user2/destinationrepo/pulls | jq '[ .[] | select(.state == "open") ] | length')
     test $pr_count -gt 0
 }
 
@@ -227,8 +229,20 @@ function create_and_merge() {
     create_pull_request user1 user1 originrepo
     wait_success ${options[url]}/api/v1/repos/user1/originrepo $(cat $TMPDIR/user1-originrepo.sha)
     has_cascade_pull_request
-    merge_pull_request
+    merge_pull_request originrepo
     wait_success ${options[url]}/api/v1/repos/user1/originrepo $(cat $TMPDIR/user1-originrepo.sha)
+    has_cascade_pull_request
+}
+
+function create_and_merge_close() {
+    fixture originrepo-close-merge destinationrepo
+
+    create_pull_request user1 user1 originrepo-close-merge
+    wait_success ${options[url]}/api/v1/repos/user1/originrepo-close-merge $(cat $TMPDIR/user1-originrepo-close-merge.sha)
+    has_cascade_pull_request
+    merge_pull_request originrepo-close-merge
+    wait_success ${options[url]}/api/v1/repos/user1/originrepo-close-merge $(cat $TMPDIR/user1-originrepo-close-merge.sha)
+    ! has_cascade_pull_request
 }
 
 function integration() {
@@ -236,6 +250,7 @@ function integration() {
     create_from_fork_and_close
     create_and_close
     create_and_merge
+    create_and_merge_close
 }
 
 function unit() {