[CI] Update homebrew tap on tag/release. (#85)

Author: iamazeem

.github/workflows/ci.yml

@@ -317,3 +317,14 @@ jobs:
           ${{ env.ARTIFACT_DIR }}/*.deb
           ${{ env.ARTIFACT_DIR }}/*.rpm
           ${{ env.ARTIFACT_DIR }}/*.nupkg
+
+    # --- Update homebrew tap ---
+
+    - name: Update homebrew tap (liquidaty/homebrew-zsv)
+      if: ${{ startsWith(github.ref, 'refs/tags/v') && runner.os == 'macOS' }}
+      env:
+        HOMEBREW_TAP_DEPLOY_KEY: ${{ secrets.HOMEBREW_TAP_DEPLOY_KEY }}
+        TAG: ${{ env.TAG }}
+        TRIPLET: ${{ env.AMD64_MACOSX_GCC }}
+      run: |
+        ./scripts/ci-update-homebrew-tap.sh

.gitignore

@@ -57,3 +57,4 @@ amd64-macosx-clang
 amd64-freebsd-gcc
 jq
 nuget-feed
+homebrew-zsv

scripts/ci-update-homebrew-tap.sh

@@ -0,0 +1,77 @@
+#!/bin/sh
+
+set -e
+
+echo "[INF] Running $0"
+
+if [ "$HOMEBREW_TAP_DEPLOY_KEY" = "" ] || [ "$TAG" = "" ] || [ "$TRIPLET" = "" ]; then
+  echo "[ERR] One or more environment variable(s) are not set!"
+  echo "[ERR] Set HOMEBREW_TAP_DEPLOY_KEY, TAG, and TRIPLET before running $0 script."
+  exit 1
+fi
+
+TAR="zsv-$TAG-$TRIPLET.tar.gz"
+TAR_URL="https://github.com/liquidaty/zsv/releases/download/v$TAG/$TAR"
+HOMEBREW_TAP_REPO="[email protected]:liquidaty/homebrew-zsv.git"
+HOMEBREW_TAP_DIR="homebrew-zsv"
+HOMEBREW_TAP_FORMULA="formula/zsv.rb"
+HOMEBREW_TAP_DEPLOY_KEY_FILE="homebrew_tap_deploy_key_file"
+
+echo "[INF] Updating homebrew tap"
+
+echo "[INF] PWD:                  $PWD"
+echo "[INF] TAG:                  $TAG"
+echo "[INF] TAR:                  $TAR"
+echo "[INF] TAR_URL:              $TAR_URL"
+echo "[INF] HOMEBREW_TAP_REPO:    $HOMEBREW_TAP_REPO"
+echo "[INF] HOMEBREW_TAP_DIR:     $HOMEBREW_TAP_DIR"
+echo "[INF] HOMEBREW_TAP_FORMULA: $HOMEBREW_TAP_FORMULA"
+
+echo "[INF] Downloading release tar file [$TAR_URL]"
+wget -q "$TAR_URL"
+ls -Gghl "$TAR"
+
+echo "[INF] Calculating SHA256 of $TAR"
+SHA256=$(openssl dgst -sha256 "$TAR" | cut -d ' ' -f2 | tr -d '\n')
+echo "[INF] SHA256: $SHA256"
+rm -f "$TAR"
+
+echo "[INF] Setting up GitHub credentials"
+echo "$HOMEBREW_TAP_DEPLOY_KEY" > $HOMEBREW_TAP_DEPLOY_KEY_FILE
+chmod 400 $HOMEBREW_TAP_DEPLOY_KEY_FILE
+export GIT_SSH_COMMAND="ssh -i $PWD/$HOMEBREW_TAP_DEPLOY_KEY_FILE -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no"
+git config --global user.name "zsv-ci"
+git config --global user.email "zsv-ci@localhost"
+
+rm -rf "$HOMEBREW_TAP_DIR"
+
+git clone "$HOMEBREW_TAP_REPO"
+cd "$HOMEBREW_TAP_DIR"
+
+echo "[INF] Replacing 'url' and 'sha256' fields [$HOMEBREW_TAP_FORMULA]"
+sed -i -e "s|url .*|url '$TAR_URL'|" $HOMEBREW_TAP_FORMULA
+sed -i -e "s|sha256 .*|sha256 '$SHA256'|" $HOMEBREW_TAP_FORMULA
+
+DIFF=$(git diff "$HOMEBREW_TAP_FORMULA")
+if [ "$DIFF" = "" ]; then
+  echo "[INF] 'url' and 'sha256' fields are the same."
+  echo "[INF] Homebrew tap formula is already updated."
+  echo "[INF] No changes required. Exiting!"
+  exit 0
+fi
+
+echo "[INF] --- git diff $HOMEBREW_TAP_FORMULA STARTS ---"
+echo "$DIFF"
+echo "[INF] ---- git diff $HOMEBREW_TAP_FORMULA ENDS ----"
+
+echo "[INF] Commiting and pushing changes"
+git add "$HOMEBREW_TAP_FORMULA"
+git commit -m "Automatic bump version to v$TAG."
+git push origin main
+
+cd ..
+rm -rf "$HOMEBREW_TAP_DIR"
+
+echo "[INF] Homebrew tap updated successfully!"
+
+echo "[INF] --- [DONE] ---"