mirror of
https://github.com/tj-actions/changed-files
synced 2024-12-17 13:47:20 +00:00
246 lines
8.6 KiB
Bash
246 lines
8.6 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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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 $GITHUB_BASE_REF ]]; then
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echo "Running on a push event..."
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TARGET_BRANCH=${GITHUB_REF/refs\/heads\//} && exit_status=$? || exit_status=$?
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CURRENT_BRANCH=$TARGET_BRANCH && exit_status=$? || exit_status=$?
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echo "::debug::Getting HEAD SHA..."
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if [[ -n "$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 2>&1) && exit_status=$? || exit_status=$?
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else
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git fetch --no-tags -u --progress --deepen="$INPUT_FETCH_DEPTH"
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CURRENT_SHA=$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=$GITHUB_EVENT_BEFORE
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fi
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else
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PREVIOUS_SHA=$(git rev-list -n 1 "$TARGET_BRANCH" 2>&1) && exit_status=$? || exit_status=$?
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if [[ -z "$PREVIOUS_SHA" ]]; then
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if [[ "$GITHUB_EVENT_FORCED" == "false" || -z "$GITHUB_EVENT_FORCED" ]]; then
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PREVIOUS_SHA=$GITHUB_EVENT_BEFORE
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fi
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fi
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fi
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if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "0000000000000000000000000000000000000000" ]]; then
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PREVIOUS_SHA=$(git rev-parse "$(git branch -r --sort=-committerdate | head -1 | xargs)")
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fi
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if [[ "$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 "$PREVIOUS_SHA" ]]; then
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echo "::error::Unable to locate a previous commit"
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exit 1
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fi
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fi
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fi
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else
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git fetch --no-tags -u --progress --deepen="$INPUT_FETCH_DEPTH"
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PREVIOUS_SHA=$INPUT_BASE_SHA
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TARGET_BRANCH=$(git name-rev --name-only "$PREVIOUS_SHA" 2>&1) && exit_status=$? || exit_status=$?
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CURRENT_BRANCH=$TARGET_BRANCH
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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_BASE_REF
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CURRENT_BRANCH=$GITHUB_HEAD_REF
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echo "Fetching remote refs..."
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if [[ "$INPUT_SINCE_LAST_REMOTE_COMMIT" == "false" ]]; then
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git fetch --no-tags --depth="$INPUT_FETCH_DEPTH" origin +refs/heads/"$TARGET_BRANCH":refs/remotes/origin/"$TARGET_BRANCH"
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git branch --track "$TARGET_BRANCH" origin/"$TARGET_BRANCH" 2>/dev/null || true
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depth=$INPUT_FETCH_DEPTH
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while [ -z "$( git merge-base "$TARGET_BRANCH" HEAD )" ]; do
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git fetch --no-tags --deepen="$depth" origin "$TARGET_BRANCH" HEAD;
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depth=$((depth * 10))
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max_depth=5000
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if [[ $depth -gt $max_depth ]]; then
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echo "::error::Unable to find merge-base between $TARGET_BRANCH and HEAD."
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fi
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done
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fi
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echo "::debug::Getting HEAD SHA..."
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if [[ -n "$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 --no-merges -n 1 HEAD 2>&1) && 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=""
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if [[ "$GITHUB_EVENT_FORCED" == "false" || -z "$GITHUB_EVENT_FORCED" ]]; then
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PREVIOUS_SHA=$GITHUB_EVENT_BEFORE
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fi
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if [[ -z "$PREVIOUS_SHA" || "$PREVIOUS_SHA" == "0000000000000000000000000000000000000000" ]]; then
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PREVIOUS_SHA=$(git rev-list --no-merges -n 1 "$TARGET_BRANCH" 2>&1) && exit_status=$? || exit_status=$?
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fi
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else
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PREVIOUS_SHA=$(git rev-list --no-merges -n 1 "$TARGET_BRANCH" 2>&1) && exit_status=$? || exit_status=$?
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fi
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if [[ -z "$PREVIOUS_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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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 $INPUT_FETCH_DEPTH."
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exit 1
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fi
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fi
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if [[ "$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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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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EOF
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fi
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echo "::endgroup::"
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