ci: add manual workflow

Author: mpsq

.github/workflows/manual.yml

@@ -0,0 +1,57 @@
+name: build-manual
+on:
+  workflow_dispatch:
+    inputs:
+      new_commit_n:
+        description: "Commit for last release"
+        required: true
+      old_commit_n:
+        description: "Commit # for upstream"
+        required: true
+
+env:
+  UPSTREAM_API: https://api.github.com/repos/flatwhatson/emacs
+  UPSTREAM_BRANCH: pgtk-nativecomp
+  UPSTREAM_REPO: https://github.com/flatwhatson/emacs
+  UPSTREAM_SRC: https://raw.githubusercontent.com/flatwhatson/emacs/pgtk-nativecomp
+
+jobs:
+  check:
+    runs-on: ubuntu-20.04
+    env:
+      OLD_COMMIT_N: ${{ github.event.inputs.old_commit_n }}
+      NEW_COMMIT_N: ${{ github.event.inputs.new_commit_n }}
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v2
+      - name: Check last version
+        run: bash ./ci/check-last-version.bash
+      - name: Set env vars
+        id: var
+        run: . ./ci/set-env-vars.bash
+    outputs:
+      pkg_version: ${{ steps.var.outputs.pkg_version }}
+
+  artifact:
+    runs-on: ubuntu-20.04
+    needs: check
+    container:
+      image: mpsq/emacs-builder:latest
+      options: --user root
+    env:
+      OLD_COMMIT_N: ${{ github.event.inputs.old_commit_n }}
+      NEW_COMMIT_N: ${{ github.event.inputs.new_commit_n }}
+      PKG_VERSION: ${{ needs.check.outputs.pkg_version }}
+    steps:
+      - name: Checkout the repo
+        uses: actions/checkout@v2
+      - name: Patch glibc
+        run: bash ./ci/patch-glibc.bash
+      - name: Build artifacts
+        run: bash ./ci/build-artifacts.bash
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: emacs-manual-build
+          path: /home/pcr/${{ needs.check.outputs.pkg_version }}.tar.gz
+          retention-days: 5