fix: re-add ability to change the max fetch depth

action.yml

@@ -81,6 +81,10 @@ inputs:
     description: "Limit depth of the branch history fetched. **NOTE**: This can be adjusted to resolve errors with insufficient history."
     required: false
     default: "40"
+  max_fetch_depth:
+    description: "Maximum depth of the branch history fetched. **NOTE**: This can be adjusted to resolve errors with insufficient history."
+    required: false
+    default: "5000"
   since_last_remote_commit:
     description: "Use the last commit on the remote branch as the `base_sha`. Defaults to the last non merge commit on the target branch for pull request events and the previous commit of the current branch for push events."
     required: true
@@ -177,6 +181,7 @@ runs:
         INPUT_UNTIL: ${{ inputs.until }}
         INPUT_PATH: ${{ inputs.path }}
         INPUT_FETCH_DEPTH: ${{ inputs.fetch_depth }}
+        INPUT_MAX_FETCH_DEPTH: ${{ inputs.max_fetch_depth }}
         INPUT_SINCE_LAST_REMOTE_COMMIT: ${{ inputs.since_last_remote_commit }}
     - name: Glob match
       uses: tj-actions/glob@v16

diff-sha.sh

@@ -159,7 +159,7 @@ else
       # shellcheck disable=SC2086
       git fetch $EXTRA_ARGS --deepen="$depth" origin "$TARGET_BRANCH" HEAD;
       depth=$((depth * 10))
-      max_depth=5000
+      max_depth=$INPUT_MAX_FETCH_DEPTH
 
       if [[ $depth -gt $max_depth ]]; then
          echo "::error::Unable to find merge-base between $TARGET_BRANCH and HEAD."