AAE-11760 git-latest-tag-sha action (#201)

Co-authored-by: Giovanni Toraldo <giovanni.toraldo@hyland.com>

.github/actions/git-latest-tag/action.yml

@@ -22,12 +22,4 @@ runs:
       env:
         PATTERN: ${{ inputs.pattern }}
         REPO_DIR: ${{ inputs.repository-directory }}
-      run: |
-        if [ -n "$REPO_DIR" ]
-        then
-          cd $REPO_DIR
-        fi
-        git fetch --tags
-        TAG=$(git tag --list "$PATTERN" --sort=-creatordate | head -n 1)
-        echo "Latest tag for the pattern $PATTERN is $TAG"
-        echo "tag=$TAG" >> $GITHUB_OUTPUT
+      run: ${{ github.action_path }}/git-latest-tag.sh

.github/actions/git-latest-tag/git-latest-tag.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+if [ -n "$REPO_DIR" ]; then
+    cd "$REPO_DIR"
+fi
+git fetch --tags
+TAG=$(git tag --list "$PATTERN" --sort=-creatordate | head -n 1)
+TAG_LONG_SHA=$(git rev-list -n 1 $TAG)
+echo "Tag for the pattern $PATTERN is $TAG ($TAG_LONG_SHA)"
+echo "tag=$TAG" >> "$GITHUB_OUTPUT"
+echo "tag_long_sha=$TAG_LONG_SHA" >> "$GITHUB_OUTPUT"

.github/actions/git-latest-tag/tests/git-latest-tag.bats

@@ -0,0 +1,35 @@
+setup() {
+    git fetch --tags
+
+    # Runs everywhere
+    DIR="$( cd "$( dirname "$BATS_TEST_FILENAME" )" >/dev/null 2>&1 && pwd )"
+    PATH="$DIR/..:$PATH"
+
+    # Mock GitHub Actions default variables
+    export GITHUB_ENV=/dev/null
+    export GITHUB_HEAD_REF="AAE-11760-get-latest-tag-sha"
+
+    # Mock git-latest-tag defaults
+    export PATTERN="*"
+    export REPO_DIR="$PWD"
+}
+
+@test "latest_tag" {
+    regex="v[0-9]+\.[0-9]+\.[0-9]+"
+    run git-latest-tag.sh
+    [ "$status" -eq 0 ]
+    if [[ ! $output =~ $regex ]]; then
+        echo "Output does not match regex: $regex"
+        exit 1
+    fi
+}
+
+@test "tag_v1.0.0" {
+    export PATTERN="v1.0.0"
+    tag="v1.0.0"
+    tag_sha="93891a5cfd55868bdfbd145ed8016ea8c63e37be"
+    run git-latest-tag.sh
+
+    [ "$status" -eq 0 ]
+    [ "$output" = "Tag for the pattern $PATTERN is $tag ($tag_sha)" ]
+}

docs/README.md

@@ -367,7 +367,7 @@ Commits local changes after configuring git user and showing the status of what
 
 ### git-latest-tag
 
-Gets the latest tag for the given pattern. The result is returned in the output named `tag`.
+Gets the latest tag and commit sha for the given pattern. The result is returned in the output named `tag` and `tag_long_sha`.
 
 ```yaml
       - uses: Alfresco/alfresco-build-tools/.github/actions/git-latest-tag@ref