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Updated to fetch the common ancestor

This commit is contained in:
Tonye Jack 2022-12-13 13:24:35 -07:00
parent 1ae6035162
commit 6497e8ef99
2 changed files with 29 additions and 6 deletions

View file

@ -176,6 +176,7 @@ runs:
GITHUB_EVENT_HEAD_REPO_FORK: ${{ github.event.pull_request.head.repo.fork }}
GITHUB_EVENT_PULL_REQUEST_BASE_SHA: ${{ github.event.pull_request.base.sha }}
GITHUB_EVENT_PULL_REQUEST_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
GITHUB_EVENT_PULL_REQUEST_COMMITS: ${{ github.event.pull_request.commits }}
GITHUB_EVENT_BEFORE: ${{ github.event.before }}
GITHUB_EVENT_FORCED: ${{ github.event.forced }}
GITHUB_REFNAME: ${{ github.ref_name }}

View file

@ -4,13 +4,13 @@ set -euo pipefail
INITIAL_COMMIT="false"
GITHUB_OUTPUT=${GITHUB_OUTPUT:-""}
EXTRA_ARGS="--no-tags"
EXTRA_ARGS="--no-tags --prune --no-recurse-submodules"
PREVIOUS_SHA=""
CURRENT_SHA=""
DIFF="..."
if [[ "$GITHUB_REF" == "refs/tags/"* ]]; then
EXTRA_ARGS=""
EXTRA_ARGS="--prune --no-recurse-submodules"
fi
if [[ "$GITHUB_EVENT_HEAD_REPO_FORK" == "true" ]]; then
@ -162,6 +162,28 @@ else
# shellcheck disable=SC2086
git fetch -u --progress $EXTRA_ARGS --depth="$INPUT_FETCH_DEPTH" origin +refs/heads/"$TARGET_BRANCH":refs/remotes/origin/"$TARGET_BRANCH" 1>/dev/null 2>&1
git branch --track "$TARGET_BRANCH" origin/"$TARGET_BRANCH" 1>/dev/null 2>&1 || true
# shellcheck disable=SC2086
git fetch $EXTRA_ARGS -u --progress --depth=$(( GITHUB_EVENT_PULL_REQUEST_COMMITS + 1 )) origin +"$GITHUB_REF":refs/remotes/origin/"$CURRENT_BRANCH" 1>/dev/null 2>&1
COMMON_ANCESTOR=$(git rev-list --first-parent --max-parents=0 --max-count=1 origin/"$CURRENT_BRANCH" 2>&1) && exit_status=$? || exit_status=$?
if [[ -z "$COMMON_ANCESTOR" ]]; then
echo "::error::Unable to locate a common ancestor for the current branch: $CURRENT_BRANCH"
exit 1
else
echo "::debug::Common ancestor: $COMMON_ANCESTOR"
fi
DATE=$(git log --date=iso8601 --format=%cd "${COMMON_ANCESTOR}")
if [[ -z "$DATE" ]]; then
echo "::error::Unable to locate a date for the common ancestor: $COMMON_ANCESTOR"
exit 1
else
# shellcheck disable=SC2086
git fetch $EXTRA_ARGS --shallow-since="${DATE}" origin +refs/heads/"$TARGET_BRANCH":refs/remotes/origin/"$TARGET_BRANCH" 1>/dev/null 2>&1
echo "::debug::Date: $DATE"
fi
else
# shellcheck disable=SC2086
git fetch $EXTRA_ARGS -u --progress --depth="$INPUT_FETCH_DEPTH" origin +"$GITHUB_REF":refs/remotes/origin/"$CURRENT_BRANCH" 1>/dev/null 2>&1
@ -221,14 +243,14 @@ else
max_depth=$INPUT_MAX_FETCH_DEPTH
for ((i=depth; i<max_depth; i+=depth)); do
if git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
break
fi
echo "Fetching $i commits..."
# shellcheck disable=SC2086
git fetch $EXTRA_ARGS -u --progress --depth="$i" origin +"$GITHUB_REF":refs/remotes/origin/"$CURRENT_BRANCH" 1>/dev/null 2>&1
if git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
break
fi
done
if ((i >= max_depth)); then