mirror of
https://github.com/tj-actions/changed-files
synced 2024-09-13 04:20:53 +02:00
288 lines
10 KiB
Bash
288 lines
10 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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INITIAL_COMMIT="false"
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GITHUB_OUTPUT=${GITHUB_OUTPUT:-""}
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EXTRA_ARGS="--no-tags --prune --recurse-submodules"
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PREVIOUS_SHA=""
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CURRENT_SHA=""
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DIFF="..."
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IS_TAG="false"
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if [[ "$GITHUB_REF" == "refs/tags/"* ]]; then
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IS_TAG="true"
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EXTRA_ARGS="--prune --no-recurse-submodules"
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fi
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if [[ -z $GITHUB_EVENT_PULL_REQUEST_BASE_REF || "$GITHUB_EVENT_HEAD_REPO_FORK" == "true" ]]; then
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DIFF=".."
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fi
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echo "::group::changed-files-diff-sha"
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if [[ -n $INPUT_PATH ]]; then
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REPO_DIR="$GITHUB_WORKSPACE/$INPUT_PATH"
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echo "::debug::Resolving repository path: $REPO_DIR"
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if [[ ! -d "$REPO_DIR" ]]; then
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echo "::error::Invalid repository path: $REPO_DIR"
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exit 1
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fi
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cd "$REPO_DIR"
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fi
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function __version() {
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echo "$@" | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }';
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}
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echo "Verifying git version..."
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GIT_VERSION=$(git --version | awk '{print $3}') && exit_status=$? || exit_status=$?
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if [[ $exit_status -ne 0 ]]; then
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echo "::error::git not installed"
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exit 1
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fi
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if [[ $(__version "$GIT_VERSION") -lt $(__version "2.18.0") ]]; then
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echo "::error::Invalid git version. Please upgrade ($GIT_VERSION) to >= (2.18.0)"
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exit 1
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else
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echo "Valid git version found: ($GIT_VERSION)"
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fi
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if [[ -z $GITHUB_EVENT_PULL_REQUEST_BASE_REF ]]; then
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echo "Running on a push event..."
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TARGET_BRANCH=$GITHUB_REFNAME
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CURRENT_BRANCH=$TARGET_BRANCH
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if [[ -f .git/shallow ]]; then
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echo "Fetching remote refs..."
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# shellcheck disable=SC2086
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git fetch $EXTRA_ARGS -u --progress --deepen="$INPUT_FETCH_DEPTH" origin +refs/heads/"$CURRENT_BRANCH":refs/remotes/origin/"$CURRENT_BRANCH" 1>/dev/null
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# shellcheck disable=SC2086
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git submodule foreach git fetch $EXTRA_ARGS -u --progress --deepen="$INPUT_FETCH_DEPTH" || true
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fi
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echo "::debug::Getting HEAD SHA..."
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if [[ -n "$INPUT_UNTIL" ]]; then
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echo "::debug::Getting HEAD SHA for '$INPUT_UNTIL'..."
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CURRENT_SHA=$(git log -1 --format="%H" --date=local --until="$INPUT_UNTIL") && exit_status=$? || exit_status=$?
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if [[ $exit_status -ne 0 ]]; then
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echo "::error::Invalid until date: $INPUT_UNTIL"
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exit 1
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fi
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else
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if [[ -z $INPUT_SHA ]]; then
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CURRENT_SHA=$(git rev-list -n 1 HEAD) && exit_status=$? || exit_status=$?
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else
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CURRENT_SHA=$INPUT_SHA; exit_status=$?
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fi
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fi
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echo "::debug::Verifying the current commit SHA: $CURRENT_SHA"
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git rev-parse --quiet --verify "$CURRENT_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
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if [[ $exit_status -ne 0 ]]; then
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echo "::error::Unable to locate the current sha: $CURRENT_SHA"
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echo "::error::Please verify that current sha is valid, and increase the fetch_depth to a number higher than $INPUT_FETCH_DEPTH."
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exit 1
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else
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echo "::debug::Current SHA: $CURRENT_SHA"
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fi
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if [[ -z $INPUT_BASE_SHA ]]; then
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if [[ -n "$INPUT_SINCE" ]]; then
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echo "::debug::Getting base SHA for '$INPUT_SINCE'..."
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PREVIOUS_SHA=$(git log --format="%H" --date=local --since="$INPUT_SINCE" | tail -1) && exit_status=$? || exit_status=$?
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if [[ -z "$PREVIOUS_SHA" ]]; then
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echo "::error::Unable to locate a previous commit for the specified date: $INPUT_SINCE"
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exit 1
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fi
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else
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if [[ "$INPUT_SINCE_LAST_REMOTE_COMMIT" == "true" ]]; then
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PREVIOUS_SHA=""
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if [[ "$GITHUB_EVENT_FORCED" == "false" || -z "$GITHUB_EVENT_FORCED" ]]; then
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PREVIOUS_SHA=$GITHUB_EVENT_BEFORE && exit_status=$? || exit_status=$?
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else
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PREVIOUS_SHA=$(git rev-list -n 1 "HEAD^") && exit_status=$? || exit_status=$?
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fi
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else
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PREVIOUS_SHA=$(git rev-list -n 1 "HEAD^") && exit_status=$? || exit_status=$?
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fi
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if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "0000000000000000000000000000000000000000" ]]; then
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PREVIOUS_SHA=$(git rev-list -n 1 "HEAD^") && exit_status=$? || exit_status=$?
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fi
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if [[ "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
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if ! git rev-parse "$PREVIOUS_SHA^1" &>/dev/null; then
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INITIAL_COMMIT="true"
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PREVIOUS_SHA=$(git rev-parse "$CURRENT_SHA")
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echo "::warning::Initial commit detected no previous commit found."
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else
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PREVIOUS_SHA=$(git rev-parse "$PREVIOUS_SHA^1")
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fi
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else
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if [[ -z "$PREVIOUS_SHA" ]]; then
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echo "::error::Unable to locate a previous commit."
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exit 1
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fi
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fi
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fi
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else
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PREVIOUS_SHA=$INPUT_BASE_SHA
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if [[ "$IS_TAG" == "true" ]]; then
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TARGET_BRANCH=$(git describe --tags "$PREVIOUS_SHA")
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fi
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fi
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echo "::debug::Target branch $TARGET_BRANCH..."
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echo "::debug::Current branch $CURRENT_BRANCH..."
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echo "::debug::Verifying the previous commit SHA: $PREVIOUS_SHA"
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git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
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if [[ $exit_status -ne 0 ]]; then
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echo "::error::Unable to locate the previous sha: $PREVIOUS_SHA"
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echo "::error::Please verify that the previous sha commit is valid, and increase the fetch_depth to a number higher than $INPUT_FETCH_DEPTH."
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exit 1
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fi
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else
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echo "Running on a pull request event..."
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TARGET_BRANCH=$GITHUB_EVENT_PULL_REQUEST_BASE_REF
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CURRENT_BRANCH=$GITHUB_EVENT_PULL_REQUEST_HEAD_REF
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if [[ "$INPUT_SINCE_LAST_REMOTE_COMMIT" == "true" ]]; then
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TARGET_BRANCH=$CURRENT_BRANCH
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fi
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if [[ -f .git/shallow ]]; then
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echo "Fetching remote refs..."
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# shellcheck disable=SC2086
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git fetch $EXTRA_ARGS -u --progress origin pull/"$GITHUB_EVENT_PULL_REQUEST_NUMBER"/head:"$CURRENT_BRANCH" 1>/dev/null
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if [[ "$INPUT_SINCE_LAST_REMOTE_COMMIT" != "true" ]]; then
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echo "::debug::Fetching remote target branch..."
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# shellcheck disable=SC2086
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git fetch $EXTRA_ARGS -u --progress --deepen="$INPUT_FETCH_DEPTH" origin +refs/heads/"$TARGET_BRANCH":refs/remotes/origin/"$TARGET_BRANCH" 1>/dev/null
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git branch --track "$TARGET_BRANCH" origin/"$TARGET_BRANCH" 1>/dev/null || true
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fi
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fi
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echo "::debug::Getting HEAD SHA..."
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if [[ -n "$INPUT_UNTIL" ]]; then
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echo "::debug::Getting HEAD SHA for '$INPUT_UNTIL'..."
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CURRENT_SHA=$(git log -1 --format="%H" --date=local --until="$INPUT_UNTIL") && exit_status=$? || exit_status=$?
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if [[ $exit_status -ne 0 ]]; then
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echo "::error::Invalid until date: $INPUT_UNTIL"
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exit 1
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fi
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else
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if [[ -z $INPUT_SHA ]]; then
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CURRENT_SHA=$(git rev-list -n 1 HEAD) && exit_status=$? || exit_status=$?
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else
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CURRENT_SHA=$INPUT_SHA; exit_status=$?
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fi
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fi
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echo "::debug::Verifying the current commit SHA: $CURRENT_SHA"
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git rev-parse --quiet --verify "$CURRENT_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
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if [[ $exit_status -ne 0 ]]; then
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echo "::error::Unable to locate the current sha: $CURRENT_SHA"
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echo "::error::Please verify that current sha is valid, and increase the fetch_depth to a number higher than $INPUT_FETCH_DEPTH."
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exit 1
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else
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echo "::debug::Current SHA: $CURRENT_SHA"
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fi
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if [[ -z $INPUT_BASE_SHA ]]; then
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if [[ "$INPUT_SINCE_LAST_REMOTE_COMMIT" == "true" ]]; then
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PREVIOUS_SHA=$GITHUB_EVENT_BEFORE
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if ! git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1; then
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PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA
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fi
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else
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PREVIOUS_SHA=$(git rev-parse origin/"$TARGET_BRANCH") && exit_status=$? || exit_status=$?
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if [[ -f .git/shallow ]]; then
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# check if the merge base is in the local history
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if ! git merge-base "$PREVIOUS_SHA" "$CURRENT_SHA" 1>/dev/null 2>&1; then
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echo "::debug::Merge base is not in the local history, fetching remote target branch..."
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# Fetch more of the target branch history until the merge base is found
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for i in {1..10}; do
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# shellcheck disable=SC2086
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git fetch $EXTRA_ARGS -u --progress --deepen="$INPUT_FETCH_DEPTH" origin +refs/heads/"$TARGET_BRANCH":refs/remotes/origin/"$TARGET_BRANCH" 1>/dev/null
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if git merge-base "$PREVIOUS_SHA" "$CURRENT_SHA" 1>/dev/null 2>&1; then
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break
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fi
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echo "::debug::Merge base is not in the local history, fetching remote target branch again..."
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echo "::debug::Attempt $i/10"
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done
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fi
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fi
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fi
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if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
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PREVIOUS_SHA=$GITHUB_EVENT_PULL_REQUEST_BASE_SHA && exit_status=$? || exit_status=$?
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fi
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echo "::debug::Previous SHA: $PREVIOUS_SHA"
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else
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PREVIOUS_SHA=$INPUT_BASE_SHA && exit_status=$? || exit_status=$?
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fi
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if ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
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DIFF=".."
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fi
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echo "::debug::Target branch: $TARGET_BRANCH"
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echo "::debug::Current branch: $CURRENT_BRANCH"
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echo "::debug::Verifying the previous commit SHA: $PREVIOUS_SHA"
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git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
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if [[ $exit_status -ne 0 ]]; then
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echo "::error::Unable to locate the previous sha: $PREVIOUS_SHA"
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echo "::error::Please verify that the previous sha is valid, and increase the fetch_depth to a number higher than $INPUT_FETCH_DEPTH."
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exit 1
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fi
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if ! git diff --name-only --ignore-submodules=all "$PREVIOUS_SHA$DIFF$CURRENT_SHA" 1>/dev/null 2>&1; then
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echo "::error::Unable to determine a difference between $PREVIOUS_SHA$DIFF$CURRENT_SHA"
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exit 1
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fi
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fi
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if [[ "$PREVIOUS_SHA" == "$CURRENT_SHA" && "$INITIAL_COMMIT" == "false" ]]; then
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echo "::error::Similar commit hashes detected: previous sha: $PREVIOUS_SHA is equivalent to the current sha: $CURRENT_SHA."
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echo "::error::Please verify that both commits are valid, and increase the fetch_depth to a number higher than $INPUT_FETCH_DEPTH."
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exit 1
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fi
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if [[ -z "$GITHUB_OUTPUT" ]]; then
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echo "::set-output name=target_branch::$TARGET_BRANCH"
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echo "::set-output name=current_branch::$CURRENT_BRANCH"
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echo "::set-output name=previous_sha::$PREVIOUS_SHA"
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echo "::set-output name=current_sha::$CURRENT_SHA"
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echo "::set-output name=diff::$DIFF"
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else
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cat <<EOF >> "$GITHUB_OUTPUT"
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target_branch=$TARGET_BRANCH
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current_branch=$CURRENT_BRANCH
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previous_sha=$PREVIOUS_SHA
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current_sha=$CURRENT_SHA
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diff=$DIFF
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EOF
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fi
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echo "::endgroup::"
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