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entrypoint.sh
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entrypoint.sh
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#!/usr/bin/env bash
set -e
echo "::group::changed-files"
echo "Resolving repository path..."
if [[ -n $INPUT_PATH ]]; then
REPO_DIR="$GITHUB_WORKSPACE/$INPUT_PATH"
if [[ ! -d "$REPO_DIR" ]]; then
echo "::warning::Invalid repository path"
exit 1
fi
cd "$REPO_DIR"
fi
SERVER_URL=$(echo "$GITHUB_SERVER_URL" | awk -F/ '{print $3}')
git remote add temp_changed_files "https://${INPUT_TOKEN}@${SERVER_URL}/${GITHUB_REPOSITORY}"
echo "Getting HEAD info..."
if [[ -z $INPUT_SHA ]]; then
CURRENT_SHA=$(git rev-parse HEAD 2>&1) && exit_status=$? || exit_status=$?
else
CURRENT_SHA=$INPUT_SHA
fi
if [[ $exit_status -ne 0 ]]; then
echo "::warning::Unable to determine the current head sha"
exit 1
fi
if [[ -z $GITHUB_BASE_REF ]]; then
if [[ -z $INPUT_BASE_SHA ]]; then
PREVIOUS_SHA=$(git rev-parse HEAD^1 2>&1) && exit_status=$? || exit_status=$?
else
PREVIOUS_SHA=$INPUT_BASE_SHA
fi
TARGET_BRANCH=${GITHUB_REF/refs\/heads\//}
CURRENT_BRANCH=$TARGET_BRANCH
if [[ $exit_status -ne 0 ]]; then
echo "::warning::Unable to determine the previous commit sha"
echo "::warning::You seem to be missing 'fetch-depth: 0' or 'fetch-depth: 2'. See https://github.com/tj-actions/changed-files#usage"
exit 1
fi
else
TARGET_BRANCH=$GITHUB_BASE_REF
CURRENT_BRANCH=$GITHUB_HEAD_REF
git fetch temp_changed_files -u "${TARGET_BRANCH}":"${TARGET_BRANCH}"
if [[ -z $INPUT_BASE_SHA ]]; then
PREVIOUS_SHA=$(git rev-parse "${TARGET_BRANCH}" 2>&1) && exit_status=$? || exit_status=$?
else
PREVIOUS_SHA=$INPUT_BASE_SHA
fi
if [[ $exit_status -ne 0 ]]; then
echo "::warning::Unable to determine the base ref sha for ${TARGET_BRANCH}"
exit 1
fi
fi
echo "Retrieving changes between $PREVIOUS_SHA ($TARGET_BRANCH) → $CURRENT_SHA ($CURRENT_BRANCH)"
if [[ -z "${INPUT_FILES[*]}" ]]; then
echo "Getting diff..."
ADDED=$(git diff --diff-filter=A --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
COPIED=$(git diff --diff-filter=C --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
DELETED=$(git diff --diff-filter=D --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
MODIFIED=$(git diff --diff-filter=M --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
RENAMED=$(git diff --diff-filter=R --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
TYPE_CHANGED=$(git diff --diff-filter=T --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
UNMERGED=$(git diff --diff-filter=U --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
UNKNOWN=$(git diff --diff-filter=X --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
ALL_CHANGED_AND_MODIFIED=$(git diff --diff-filter="*ACDMRTUX" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
ALL_MODIFIED_FILES=$(git diff --diff-filter="ACMR" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
else
ADDED_ARRAY=()
COPIED_ARRAY=()
DELETED_ARRAY=()
MODIFIED_ARRAY=()
RENAMED_ARRAY=()
TYPE_CHANGED_ARRAY=()
UNMERGED_ARRAY=()
UNKNOWN_ARRAY=()
ALL_CHANGED_ARRAY=()
ALL_MODIFIED_FILES_ARRAY=()
echo "Input files: ${INPUT_FILES[*]}"
for path in ${INPUT_FILES}
do
echo "Checking for file changes: \"${path}\"..."
IFS=" "
# shellcheck disable=SC2207
ADDED_ARRAY+=($(git diff --diff-filter=A --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | grep -E "(${path})" | xargs -0 || true))
# shellcheck disable=SC2207
COPIED_ARRAY+=($(git diff --diff-filter=C --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | grep -E "(${path})" | xargs -0 || true))
# shellcheck disable=SC2207
DELETED_ARRAY+=($(git diff --diff-filter=D --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | grep -E "(${path})" | xargs -0 || true))
# shellcheck disable=SC2207
MODIFIED_ARRAY+=($(git diff --diff-filter=M --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | grep -E "(${path})" | xargs -0 || true))
# shellcheck disable=SC2207
RENAMED_ARRAY+=($(git diff --diff-filter=R --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | grep -E "(${path})" | xargs -0 || true))
# shellcheck disable=SC2207
TYPE_CHANGED_ARRAY+=($(git diff --diff-filter=T --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | grep -E "(${path})" | xargs -0 || true))
# shellcheck disable=SC2207
UNMERGED_ARRAY+=($(git diff --diff-filter=U --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | grep -E "(${path})" | xargs -0 || true))
# shellcheck disable=SC2207
UNKNOWN_ARRAY+=($(git diff --diff-filter=X --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | grep -E "(${path})" | xargs -0 || true))
# shellcheck disable=SC2207
ALL_CHANGED_ARRAY+=($(git diff --diff-filter="*ACDMRTUX" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | grep -E "(${path})" | xargs -0 || true))
# shellcheck disable=SC2207
ALL_MODIFIED_FILES_ARRAY+=($(git diff --diff-filter="ACMR" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA" | grep -E "(${path})" | xargs -0 || true))
done
ADDED=$(echo "${ADDED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
COPIED=$(echo "${COPIED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
DELETED=$(echo "${DELETED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
MODIFIED=$(echo "${MODIFIED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
RENAMED=$(echo "${RENAMED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
TYPE_CHANGED=$(echo "${TYPE_CHANGED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
UNMERGED=$(echo "${UNMERGED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
UNKNOWN=$(echo "${UNKNOWN_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
ALL_CHANGED_AND_MODIFIED=$(echo "${ALL_CHANGED_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
ALL_MODIFIED_FILES=$(echo "${ALL_MODIFIED_FILES_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
ALL_OTHER_MODIFIED_FILES=$(git diff --diff-filter="ACMR" --name-only "$PREVIOUS_SHA" "$CURRENT_SHA")
IFS=" " read -r -a UNIQUE_ALL_MODIFIED_FILES_ARRAY <<< "$(echo "${ALL_MODIFIED_FILES_ARRAY[*]}" | tr " " "\n" | sort -u | tr "\n" " ")"
IFS=" " read -r -a OTHER_MODIFIED_FILES_ARRAY <<< "$(echo "${ALL_OTHER_MODIFIED_FILES[@]}" "${UNIQUE_ALL_MODIFIED_FILES_ARRAY[@]}" | tr " " "\n" | sort | uniq -u | tr "\n" " ")"
OTHER_MODIFIED_FILES=$(echo "${OTHER_MODIFIED_FILES_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
echo "Matching modified files: ${UNIQUE_ALL_MODIFIED_FILES_ARRAY[*]}"
if [[ -n "${UNIQUE_ALL_MODIFIED_FILES_ARRAY[*]}" ]]; then
echo "::set-output name=any_changed::true"
else
echo "::set-output name=any_changed::false"
fi
if [[ -n "${OTHER_MODIFIED_FILES_ARRAY[*]}" ]]; then
echo "Non Matching modified files: ${OTHER_MODIFIED_FILES_ARRAY[*]}"
echo "::set-output name=only_changed::false"
echo "::set-output name=other_changed_files::$OTHER_MODIFIED_FILES"
elif [[ -n "${UNIQUE_ALL_MODIFIED_FILES_ARRAY[*]}" ]]; then
echo "::set-output name=only_changed::true"
fi
OTHER_DELETED_FILES=$(git diff --diff-filter=D --name-only "$PREVIOUS_SHA" "$CURRENT_SHA")
IFS=" " read -r -a UNIQUE_DELETED_FILES_ARRAY <<< "$(echo "${DELETED_ARRAY[*]}" | tr " " "\n" | sort -u | tr "\n" " ")"
IFS=" " read -r -a OTHER_DELETED_FILES_ARRAY <<< "$(echo "${OTHER_DELETED_FILES[@]}" "${UNIQUE_DELETED_FILES_ARRAY[@]}" | tr " " "\n" | sort | uniq -u | tr "\n" " ")"
OTHER_DELETED_FILES=$(echo "${OTHER_DELETED_FILES_ARRAY[*]}" | tr " " "\n" | sort -u | awk -v d="$INPUT_SEPARATOR" '{s=(NR==1?s:s d)$0}END{print s}')
echo "Matching deleted files: ${UNIQUE_DELETED_FILES_ARRAY[*]}"
if [[ -n "${UNIQUE_DELETED_FILES_ARRAY[*]}" ]]; then
echo "::set-output name=any_deleted::true"
else
echo "::set-output name=any_deleted::false"
fi
if [[ -n "${OTHER_DELETED_FILES_ARRAY[*]}" ]]; then
echo "Non Matching deleted files: ${OTHER_DELETED_FILES_ARRAY[*]}"
echo "::set-output name=only_deleted::false"
echo "::set-output name=other_deleted_files::$OTHER_DELETED_FILES"
elif [[ -n "${UNIQUE_DELETED_FILES_ARRAY[*]}" ]]; then
echo "::set-output name=only_deleted::true"
fi
fi
echo "Added files: $ADDED"
echo "Copied files: $COPIED"
echo "Deleted files: $DELETED"
echo "Modified files: $MODIFIED"
echo "Renamed files: $RENAMED"
echo "Type Changed files: $TYPE_CHANGED"
echo "Unmerged files: $UNMERGED"
echo "Unknown files: $UNKNOWN"
echo "All changed files: $ALL_CHANGED_AND_MODIFIED"
echo "All modified files: $ALL_MODIFIED_FILES"
git remote remove temp_changed_files
echo "::set-output name=added_files::$ADDED"
echo "::set-output name=copied_files::$COPIED"
echo "::set-output name=deleted_files::$DELETED"
echo "::set-output name=modified_files::$MODIFIED"
echo "::set-output name=renamed_files::$RENAMED"
echo "::set-output name=type_changed_files::$TYPE_CHANGED"
echo "::set-output name=unmerged_files::$UNMERGED"
echo "::set-output name=unknown_files::$UNKNOWN"
echo "::set-output name=all_changed_and_modified_files::$ALL_CHANGED_AND_MODIFIED"
echo "::set-output name=all_modified_files::$ALL_MODIFIED_FILES"
echo "::endgroup::"