always allow workflows to mount /srv/example

because it is generally useful to store informations about how the
workflow ran

actions/example-cron/.forgejo/workflows/test.yml

@@ -7,8 +7,8 @@ jobs:
     runs-on: docker
     container:
       image: code.forgejo.org/oci/debian:bookworm
-      options: "--volume /srv/example-cron-volume:/srv/example-cron-volume"
+      options: "--volume /srv/example:/srv/example"
 
     steps:
       - run: |
-          touch /srv/example-cron-volume/DONE
+          touch /srv/example/cron-volume/DONE

actions/example-cron/run.sh

@@ -16,7 +16,7 @@ forgejo-curl.sh api_json --data '{"new_branch_name":"zzzz"}' $api/repos/root/exa
 verify_ref
 
 # cron runs once per minute, give it three minutes max before declaring failure
-if ! RETRY_DELAYS="30 30 30 30 30 30" forgejo.sh retry test -f /srv/example-cron-volume/DONE ; then
+if ! RETRY_DELAYS="30 30 30 30 30 30" forgejo.sh retry test -f /srv/example/cron-volume/DONE ; then
     cat $FORGEJO_RUNNER_LOGS
     false
 fi

actions/example-cron/runner-config.yaml

@@ -1,30 +0,0 @@
-
-log:
-  level: info
-
-runner:
-  file: .runner
-  capacity: 1
-  env_file: .env
-  timeout: 3h
-  insecure: false
-  fetch_timeout: 5s
-  fetch_interval: 2s
-  labels: ["docker:docker://code.forgejo.org/oci/node:16-bullseye"]
-
-cache:
-  enabled: false
-  dir: ""
-  host: ""
-  port: 0
-
-container:
-  network: ""
-  privileged: false
-  options:
-  workdir_parent:
-  valid_volumes: ["/srv/example-cron-volume"]
-  docker_host: ""
-
-host:
-  workdir_parent:

actions/example-cron/setup.sh

@@ -1,3 +1 @@
-rm -fr /srv/example-cron-volume
-mkdir -p /srv/example-cron-volume
-FORGEJO_RUNNER_CONFIG=$EXAMPLE_DIR/runner-config.yaml forgejo-runner.sh reload
+mkdir -p /srv/example/cron-volume

actions/example-cron/teardown.sh

@@ -1 +0,0 @@
-forgejo-runner.sh reload

actions/example-pull-request/.forgejo/workflows/test.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: docker
     container:
       image: code.forgejo.org/oci/node:20-bookworm
-      options: "--volume /srv/example-pull-request:/srv/example-pull-request"
+      options: "--volume /srv/example:/srv/example"
 
     steps:
       - name: setup
@@ -115,7 +115,7 @@ jobs:
 
       - name: save event
         run: |
-          d=/srv/example-pull-request/${{ github.event.pull_request.head.repo.owner.username }}/$GITHUB_EVENT_NAME/${{ github.event.action }}
+          d=/srv/example/pull-request/${{ github.event.pull_request.head.repo.owner.username }}/$GITHUB_EVENT_NAME/${{ github.event.action }}
           mkdir -p $d
           cat > $d/event <<'EOF'
           ${{ toJSON(github.event) }}

actions/example-pull-request/run.sh

@@ -1,9 +1,11 @@
 api=$url/api/v1
-export d=/srv/example-pull-request
+export d=/srv/example/pull-request
 
 PROOF='some proof'
 
 function setup() {
+    mkdir -p $d
+
     forgejo-test-helper.sh push_workflow actions/example-$example $url root example-$example setup-forgejo $token
 
     forgejo-curl.sh api_json --data-raw '{"username":"fork-org"}' $api/orgs

actions/example-pull-request/setup.sh

@@ -1,8 +1,2 @@
-if test $(id -u) != 0 ; then
-    SUDO=sudo
-fi
+mkdir -p /srv/example/pull-request
 
-$SUDO rm -fr /srv/example-pull-request/{root,fork-org}
-rm -fr /srv/example-pull-request
-mkdir -p /srv/example-pull-request
-FORGEJO_RUNNER_CONFIG=$EXAMPLE_DIR/runner-config.yaml forgejo-runner.sh reload

actions/example-pull-request/teardown.sh

@@ -1 +0,0 @@
-forgejo-runner.sh reload

actions/run.sh

@@ -2,11 +2,13 @@
 
 set -e
 
+SELF_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
 function run() {
   local example=$1
 
   export example
-  export EXAMPLE_DIR=$(pwd)/actions/example-$example
+  export EXAMPLE_DIR=$SELF_DIR/example-$example
 
   if test -f $EXAMPLE_DIR/setup.sh ; then
     echo "============================ SETUP example-$example ==================="
@@ -39,9 +41,24 @@ function examples_v1_22() {
     examples_v1_21
 }
 
+function cleanup_example_volume() {
+    if ! test -d /srv/example ; then
+	mkdir -p /srv/example
+	return
+    fi
+
+    if test $(id -u) != 0 ; then
+	SUDO=sudo
+    fi
+
+    $SUDO rm -fr /srv/example/*
+}
+
 function setup() {
     local binary=$1
     forgejo-binary.sh setup root admin1234 $binary
+    cleanup_example_volume
+    export FORGEJO_RUNNER_CONFIG=$SELF_DIR/runner-config.yaml
     forgejo-runner.sh setup
 }
 
@@ -90,6 +107,7 @@ function main() {
 	  false
       fi
       echo "======================== END example-$example ==================="
+      cleanup_example_volume
     done
 }
 

actions/runner-config.yaml

@@ -23,7 +23,7 @@ container:
   privileged: false
   options:
   workdir_parent:
-  valid_volumes: ["/srv/example-pull-request"]
+  valid_volumes: ["/srv/example"]
   docker_host: ""
 
 host: