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update to handle the default event.before

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Tonye Jack 2022-09-24 19:33:05 -06:00
parent de772eb038
commit ef1134dca7
1 changed files with 8 additions and 0 deletions
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diff-sha.sh
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@ -62,6 +62,14 @@ if [[ -z $GITHUB_BASE_REF ]]; then
if [[ -z $INPUT_BASE_SHA ]]; then
PREVIOUS_SHA=$GITHUB_EVENT_BEFORE
if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "0000000000000000000000000000000000000000" ]]; then
PREVIOUS_SHA=$(git rev-parse "$(git branch -r --sort=-committerdate | head -1)")
fi
if [[ "$INPUT_SHA" == "$PREVIOUS_SHA" ]]; then
PREVIOUS_SHA=$(git rev-parse "$INPUT_SHA^1")
fi
if [[ "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
INITIAL_COMMIT="true"
echo "::debug::Initial commit detected"