Chore: release sqlglotrs only when Cargo.toml is updated (#3408)

* Chore: release sqlglotrs only when Cargo.toml is updated

* typo

* fixup

.github/workflows/python-publish.yml

@@ -9,7 +9,21 @@ permissions:
   contents: read
 
 jobs:
+  should-deploy-rs:
+    runs-on: ubuntu-latest
+    outputs:
+      deploy: ${{ steps.check_deploy.outputs.deploy }}
+    steps:
+      - uses: actions/checkout@v3
+      - id: check_deploy
+        name: Check if sqlglotrs should be deployed
+        run: |
+          bash ./.github/workflows/should_deploy_sqlglotrs.sh
+          if [ $? -eq 0]; then echo "deploy=true"; else echo "deploy=false"; fi >> "$GITHUB_OUTPUT"
+
   build-rs:
+    needs: should-deploy-rs
+    if: ${{ needs.should-deploy-rs.outputs.deploy == 'true' }}
     strategy:
       matrix:
         os: [linux, macos, windows]
@@ -51,6 +65,8 @@ jobs:
         path: sqlglotrs/dist
 
   sdist-rs:
+    needs: should-deploy-rs
+    if: ${{ needs.should-deploy-rs.outputs.deploy == 'true' }}
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
@@ -67,8 +83,9 @@ jobs:
         path: sqlglotrs/dist
 
   deploy-rs:
+    needs: [should-deploy-rs, build-rs, sdist-rs]
+    if: ${{ needs.should-deploy-rs.outputs.deploy == 'true' }}
     runs-on: ubuntu-latest
-    needs: [build-rs, sdist-rs]
     steps:
     - uses: actions/download-artifact@v3
       with:

.github/workflows/should_deploy_sqlglotrs.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -ex
+
+CARGO_TOML_PATH="./sqlglotrs/Cargo.toml"
+CARGO_TOML_MOST_RECENT_COMMIT=$(git log -1 --pretty="%H" -- $CARGO_TOML_PATH | head -1)
+
+PREVIOUS_TAG=$(git tag --sort=-creatordate | head -n 2 | tail -n 1)
+PREVIOUS_TAG_COMMIT=$(git rev-list -n 1 $PREVIOUS_TAG)
+
+# We should only deploy sqlglotrs if Cargo.toml was modified between this tag and the previous one
+exit $(git merge-base --is-ancestor $PREVIOUS_TAG_COMMIT $CARGO_TOML_MOST_RECENT_COMMIT)