fix: use yes/no instead of true/false for using a binary built from source (#948)

and add information from steps and inputs context for future debug.

---

For debugging a temporary commit [that trims the tests is used](https://code.forgejo.org/forgejo/end-to-end/pulls/948/commits/5e6bd041158847de99908464d629cbd85d14b951)

## No build from source

- https://code.forgejo.org/forgejo/end-to-end/actions/runs/3905
   ![image](/attachments/66ef5aa0-25a8-4624-9d92-dd18dce0a427)

## Build from source

A temporary commit [is used to build from sources](https://code.forgejo.org/forgejo/end-to-end/pulls/948/commits/ffa5170ba21c070208c7934d727327efc0ec248f).

- https://code.forgejo.org/forgejo/end-to-end/actions/runs/3904
  ![image](/attachments/e335ee9f-fa07-43e0-aaf4-dfa745aa2a6a)

Reviewed-on: https://code.forgejo.org/forgejo/end-to-end/pulls/948
Co-authored-by: Earl Warren <contact@earl-warren.org>
Co-committed-by: Earl Warren <contact@earl-warren.org>

.forgejo/prepare-end-to-end/action.yml

@@ -19,8 +19,14 @@ runs:
         with:
           install-only: true
       - run: forgejo-binary.sh ensure_user forgejo
+      - name: inputs context dump for debug
+        run: |
+          set -x
+          cat <<EOF
+          ${{ toJSON(inputs) }}
+          EOF
       - uses: actions/download-artifact@v3
-        if: ${{ inputs.built == true }}
+        if: ${{ inputs.built == 'yes' }}
         with:
           name: forgejo-dev
           path: /srv/forgejo-binaries

.forgejo/workflows/end-to-end.yml

@@ -41,7 +41,7 @@ jobs:
 
           if ! test -f forgejo/build-from-sources; then
              echo forgejo/build-from-sources is not present, do not build any version from source
-             echo "built=false" >> $FORGEJO_OUTPUT
+             echo "built=no" >> $FORGEJO_OUTPUT
              exit 0
           fi
 
@@ -62,10 +62,17 @@ jobs:
             mv $forgejo /tmp/forgejo-upload/forgejo-$version
           done
 
-          echo "built=true" >> $FORGEJO_OUTPUT
+          echo "built=yes" >> $FORGEJO_OUTPUT
+
+      - name: steps context dump for debug
+        run: |
+          set -x
+          cat <<EOF
+          ${{ toJSON(steps) }}
+          EOF
 
       - uses: actions/upload-artifact@v3
-        if: ${{ steps.build.outputs.built == true }}
+        if: ${{ steps.build.outputs.built == 'yes' }}
         with:
           name: forgejo-dev
           path: /tmp/forgejo-upload