ci: use cargo-semver-checks to detect semver violations

.github/workflows/main.yml

@@ -91,8 +91,14 @@ jobs:
     steps:
       - uses: actions/checkout@v3
         with:
-          fetch-depth: 0 # make `git diff` work
+          fetch-depth: 0
       - run: rustup update stable && rustup default stable
+      - name: Install cargo-semver-checks
+        run: |
+          mkdir installed-bins
+          curl -Lf https://github.com/obi1kenobi/cargo-semver-checks/releases/download/v0.22.1/cargo-semver-checks-x86_64-unknown-linux-gnu.tar.gz \
+            | tar -xz --directory=./installed-bins
+          echo `pwd`/installed-bins >> $GITHUB_PATH
       - run: ci/validate-version-bump.sh
 
   test:

ci/validate-version-bump.sh

@@ -1,9 +1,6 @@
 #!/bin/bash
-# This script checks if a crate needs a version bump.
-#
-# At the time of writing, it doesn't check what kind of bump is required.
-# In the future, we could take SemVer compatibliity into account, like
-# integrating `cargo-semver-checks` of else
+# Use `cargo-semver-checks` to detect if a crate needs a version bump due to
+# SemVer violation.
 #
 # Inputs:
 #     BASE_SHA    The commit SHA of the branch where the PR wants to merge into.
@@ -19,43 +16,4 @@ head_sha=$(git rev-parse "${HEAD_SHA:-HEAD}")
 echo "Base branch  is $base_sha"
 echo "Current head is $head_sha"
 
-# Gets crate names of members that has been changed from $bash_sha to $head_sha.
-changed_crates=$(
-    git diff --name-only "$base_sha" "$head_sha" -- crates/ credential/ benches/ \
-    | cut  -d'/' -f2 \
-    | sort -u
-)
-
-if  [ -z "$changed_crates" ]
-then
-    echo "No file changed in member crates."
-    exit 0
-fi
-
-# Checks publish status for only crates with code changes.
-publish_status_table=$(
-    echo "$changed_crates" \
-    | xargs printf -- '--package %s\n' \
-    | xargs cargo unpublished
-)
-
-# "yes" -> code changed but no version difference -> need a bump
-# Prints 2nd column (sep by space), which is the name of the crate.
-crates_need_bump=$(
-    echo "$publish_status_table" \
-    | { grep '| yes ' || true; } \
-    | awk '{print $2}'
-)
-
-if  [ -z "$crates_need_bump" ]
-then
-    echo "No version bump needed for member crates."
-    exit 0
-fi
-
-echo "Detected changes in these crates but no version bump found:"
-echo "$crates_need_bump"
-echo
-echo "Please bump at least one patch version for each corresponding Cargo.toml:"
-echo 'Run "cargo unpublished" to read the publish status table for details.'
-exit 1
+cargo semver-checks --workspace --baseline-rev "$base_sha"