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fix: error raised for the first repo commit #554

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merged 1 commit into from Jul 22, 2022
Merged

fix: error raised for the first repo commit #554

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9 changes: 5 additions & 4 deletions diff-sha.sh
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Expand Up @@ -2,6 +2,8 @@

set -eu

INITIAL_COMMIT="false"

echo "::group::changed-files-diff-sha"

if [[ -n $INPUT_PATH ]]; then
Expand Down Expand Up @@ -48,13 +50,12 @@ if [[ -z $GITHUB_BASE_REF ]]; then
echo "::debug::GITHUB_BASE_REF unset using $TARGET_BRANCH..."

if [[ -z $INPUT_BASE_SHA ]]; then
git fetch --no-tags -u --progress --depth=2 origin "${CURRENT_BRANCH}":"${CURRENT_BRANCH}" && exit_status=$? || exit_status=$?

if [[ $(git rev-list --count "HEAD") -gt 1 ]]; then
PREVIOUS_SHA=$(git rev-list -n 1 "HEAD^1" 2>&1) && exit_status=$? || exit_status=$?
PREVIOUS_SHA=$(git rev-parse "@~" 2>&1) && exit_status=$? || exit_status=$?
echo "::debug::Previous SHA: $PREVIOUS_SHA"
else
PREVIOUS_SHA=$CURRENT_SHA && exit_status=$? || exit_status=$?
INITIAL_COMMIT="true"
echo "::debug::Initial commit detected"
echo "::debug::Previous SHA: $PREVIOUS_SHA"
fi
Expand Down Expand Up @@ -107,7 +108,7 @@ else
fi
fi

if [[ -n "$PREVIOUS_SHA" && -n "$CURRENT_SHA" && "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
if [[ -n "$PREVIOUS_SHA" && -n "$CURRENT_SHA" && "$PREVIOUS_SHA" == "$CURRENT_SHA" && "$INITIAL_COMMIT" == "false" ]]; then
echo "::error::Similar commit hashes detected: previous sha: $PREVIOUS_SHA is equivalent to the current sha: $CURRENT_SHA"
echo "::error::You seem to be missing 'fetch-depth: 0' or 'fetch-depth: 2'. See https://github.com/tj-actions/changed-files#usage"
exit 1
Expand Down