Trigger beta on updated beta build file

Can get rid of dummy job.

.beta-build

@@ -0,0 +1 @@
+2942

.github/workflows/beta.yml

@@ -4,6 +4,8 @@ on:
   push:
     branches:
       - 'master'
+    paths:
+      - '.beta-build'
 
 env:
   APP_STORE_CONNECT_API_KEY: ${{ secrets.APP_STORE_CONNECT_API_KEY }}
@@ -22,16 +24,8 @@ env:
   CHANGELOG_PREFACE: ${{ secrets.CHANGELOG_PREFACE }}
 
 jobs:
-  check_beta:
-    if: contains(github.event.head_commit.message, 'Attempt beta release')
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check beta commit
-        run: |
-          echo
   build_upload_ios:
     runs-on: macos-11
-    needs: check_beta
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@v2
@@ -49,7 +43,6 @@ jobs:
           bundle exec fastlane --env ios,beta store_beta
   build_upload_mac:
     runs-on: macos-11
-    needs: check_beta
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@v2

scripts/commit-beta.sh

@@ -7,8 +7,10 @@ fi
 
 # set build number
 . .env
+MARKER_FILE=".beta-build"
 BUILD=$((BASE_BUILD_NUMBER + `git rev-list HEAD --count` + 1))
 ci/set-build.sh $BUILD
+echo $BUILD >$MARKER_FILE
 
 # set release notes
 ci/update-release-notes.sh ios &&
@@ -21,6 +23,7 @@ git -C PassepartoutCore/Sources/PassepartoutCore/API pull origin master
 git add */PassepartoutCore/API
 
 # add build number
+git add $MARKER_FILE
 git add Passepartout.xcodeproj
 git add *.plist