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feat: add support for fetching more history

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This commit is contained in:
Tonye Jack
2022-10-25 14:12:36 -06:00
parent f10717dc73
commit fe56d428c0
3 changed files with 34 additions and 14 deletions
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31
diff-sha.sh
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@@ -67,6 +67,26 @@ else
echo "::debug::Current SHA: $CURRENT_SHA"
fi
function deepenShallowCloneToFindCommit() {
local ref="$1"
local target_branch="$2"
local depth=20
local max_depth=$INPUT_MAX_FETCH_DEPTH
while ! git rev-parse --quiet --verify "$ref^{commit}" 1>/dev/null 2>&1; do # !0 = true = not found
echo "::debug::Unable to find commit '$ref' in shallow clone. Increasing depth to $((depth * 2))..."
depth=$((depth * 2))
if [[ $depth -gt $max_depth ]]; then
echo "::error::Unable to find commit '$ref' in shallow clone. Maximum depth of $max_depth reached."
exit 1
fi
git fetch --no-tags -u --progress --deepen="$depth" origin "$target_branch":"$target_branch"
done
}
if [[ -z $GITHUB_BASE_REF ]]; then
echo "Running on a push event..."
TARGET_BRANCH=${GITHUB_REF/refs\/heads\//} && exit_status=$? || exit_status=$?
@@ -82,8 +102,6 @@ if [[ -z $GITHUB_BASE_REF ]]; then
exit 1
fi
else
git fetch --no-tags -u --progress origin --depth="$INPUT_TARGET_BRANCH_FETCH_DEPTH" "${TARGET_BRANCH}":"${TARGET_BRANCH}" && exit_status=$? || exit_status=$?
PREVIOUS_SHA=""
if [[ "$GITHUB_EVENT_FORCED" == "false" ]]; then
@@ -117,6 +135,9 @@ if [[ -z $GITHUB_BASE_REF ]]; then
echo "::debug::Target branch $TARGET_BRANCH..."
echo "::debug::Current branch $CURRENT_BRANCH..."
echo "::debug::Fetching previous commit SHA: $PREVIOUS_SHA"
deepenShallowCloneToFindCommit "$PREVIOUS_SHA" "$TARGET_BRANCH"
echo "::debug::Verifying the previous commit SHA: $PREVIOUS_SHA"
git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
@@ -130,9 +151,6 @@ else
TARGET_BRANCH=$GITHUB_BASE_REF
CURRENT_BRANCH=$GITHUB_HEAD_REF
git fetch --no-tags -u --progress origin --depth="$INPUT_TARGET_BRANCH_FETCH_DEPTH" "${TARGET_BRANCH}":"${TARGET_BRANCH}" &&
exit_status=$? || exit_status=$?
if [[ -z $INPUT_BASE_SHA ]]; then
PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA && exit_status=$? || exit_status=$?
echo "::debug::Previous SHA: $PREVIOUS_SHA"
@@ -143,6 +161,9 @@ else
echo "::debug::Target branch: $TARGET_BRANCH"
echo "::debug::Current branch: $CURRENT_BRANCH"
echo "::debug::Fetching previous commit SHA: $PREVIOUS_SHA"
deepenShallowCloneToFindCommit "$PREVIOUS_SHA" "$TARGET_BRANCH"
echo "::debug::Verifying the previous commit SHA: $PREVIOUS_SHA"
git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?