ci: bisect step 1 — own checkout via external URL only

Bumps 0.1.2 -> 0.1.3.

Signed-off-by: flemming-it <sf@flemming.it>

.forgejo/workflows/ci.yml

@@ -10,14 +10,18 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  smoke:
+  ci:
     name: Linux x86_64 (Forgejo)
     runs-on: ubuntu-latest
     steps:
-      - name: Smoke
+      - name: Checkout text-extract via external URL
         run: |
-          echo "runner alive"
-          echo "GITHUB_WORKSPACE=$GITHUB_WORKSPACE"
-          echo "GITHUB_REPOSITORY=$GITHUB_REPOSITORY"
-          echo "GITHUB_SHA=$GITHUB_SHA"
-          uname -a
+          set -eu
+          mkdir -p "$GITHUB_WORKSPACE"
+          cd "$GITHUB_WORKSPACE"
+          git init -q
+          git remote add origin \
+            "https://x-access-token:${GITHUB_TOKEN}@git.flemming.ws/${GITHUB_REPOSITORY}.git"
+          git fetch --depth=1 origin "$GITHUB_SHA"
+          git checkout -q FETCH_HEAD
+          echo "checkout: ok, ls = $(ls)"