nightly.yml: Nightly build and upload releases to separate repo

.github/workflows/nightly.yml

@@ -0,0 +1,65 @@
+name: F* nightly build
+
+# For this to work, there must a repo called FStar-nightly
+# in the same org as FStar, and a DZOMO_GITHUB_TOKEN secret configured
+# in the FStar repo that has write access to FStar-nightly (i.e. 'Contents'
+# permission), *AND* also workflow access (or you'll get "Refusing to
+# allow a Personal Access Token to create or update workflow").
+#
+# The default GITHUB_TOKEN only allows access to the current repo, so it's
+# not useful.
+
+on:
+  push:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+
+jobs:
+  build-all:
+    uses: ./.github/workflows/build-all.yml
+
+  publish:
+    runs-on: ubuntu-latest
+    needs: build-all
+    steps:
+      - uses: actions/checkout@master
+        with:
+          fetch-depth: 0 # full clone, so we can push objects
+
+      - name: Set up git
+        run: |
+          git config --global user.name "Dzomo, the Everest Yak"
+          git config --global user.email "[email protected]"
+
+      - uses: actions/download-artifact@v4
+        with:
+          path: artifacts
+          merge-multiple: true
+          # ^ Download all artifacts into the same dir.
+          # Each of them is a single file, so no clashes happen.
+
+      - name: Publish artifacts in nightly tag
+        run: |
+          git config --unset-all http.https://github.com/.extraheader
+          # ^ https://stackoverflow.com/questions/64374179/how-to-push-to-another-repository-in-github-actions
+
+          # We push nightly builds to a different repo (same org)
+          REPO="${{github.repository}}-nightly"
+          TAG=nightly-$(date -I)
+
+          # Create tag
+          git tag $TAG ${{github.sha}}
+
+          # Add new remote and push tag
+          git remote add nightly-repo https://${{secrets.DZOMO_GITHUB_TOKEN}}@github.com/$REPO
+          git push nightly-repo $TAG
+
+          # Create release
+          gh release create -R "$REPO" \
+            --generate-notes \
+            --target ${{ github.sha }} \
+            $TAG artifacts/*
+
+        env:
+          GH_TOKEN: ${{ secrets.DZOMO_GITHUB_TOKEN }}

.github/workflows/release.yml

@@ -79,4 +79,4 @@ jobs:
             --generate-notes \
             --target ${{ github.sha }} \
             -t "F* v$V" \
-            "v$V" ../artifacts/fstar-*
+            "v$V" ../artifacts/*

.gitignore

@@ -8,6 +8,7 @@
 /_srcpak*
 _build
 # ^ build output
+/nightly
 /bin/fstar.exe
 /bin/get_fstar_z3.sh
 

.scripts/setup_nightly.sh

@@ -2,21 +2,26 @@
 
 set -euo pipefail
 
+NIGHTLY_REPO=FStarLang/FStar-nightly
+NIGHTLY_REPO_URL=https://api.github.com/repos/$NIGHTLY_REPO/releases/latest
+
 kernel="$(uname -s)"
 case "$kernel" in
   CYGWIN*) kernel=Windows ;;
 esac
 
 arch="$(uname -m)"
-case "$arch" in
-  arm64) arch=aarch64 ;;
-esac
 
-URL="https://github.com/FStarLang/FStar/releases/download/nightly/fstar-$kernel-$arch.tar.gz"
-FILE="$(basename "$URL")"
+# Get info about latest release
+LATEST_CURL=$(curl -L -H "Accept: application/vnd.github+json" -H "X-GitHub-Api-Version: 2022-11-28" $NIGHTLY_REPO_URL)
+
+# Find the asset that seems to match our architecture and OS
+ASSET=$(echo "$LATEST_CURL" | jq -r '.assets[] | select(.name | contains("'$kernel'-'$arch'")) | .browser_download_url')
+
+FILE="$(basename "$ASSET")"
 
 # Get artifact
-wget "$URL" -O "$FILE"
+wget "$ASSET" -O "$FILE"
 
 # Warn if too old (over 48 hours)
 S_NOW=$(date +%s)
@@ -27,9 +32,10 @@ if [[ $((S_NOW - S_FILE)) -gt $((48 * 60 * 60)) ]]; then
 fi
 
 # Untar
-rm -rf out
-mkdir out
-tar xzf "$FILE" -C out
+rm -rf nightly
+mkdir nightly
+tar xzf "$FILE" -C nightly
+ln -Trsf nightly/fstar out
 rm "$FILE"
 
 echo Done.