130 lines
4.6 KiB
Bash
Executable file
130 lines
4.6 KiB
Bash
Executable file
#!/bin/bash
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# Copyright (C) 2025-2026 MDW <mdeweerd@users.noreply.github.com>
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# shellcheck disable=2129,2128,2034,2016
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set -euo pipefail
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# This script retrieves the list of changed PHP files for a pull request
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# using the GitHub API and sets two outputs:
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# - any_changed: "true" if at least one PHP file changed, "false" otherwise
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# - all_changed_files: space-separated list of changed PHP file paths
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#
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# Required environment variables:
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# GITHUB_TOKEN - GitHub token with repo access
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# GITHUB_REPOSITORY - "owner/repo"
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# GITHUB_EVENT_PATH - Path to the event JSON payload
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# Verify required environment variables are set
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if [[ -z "${GITHUB_TOKEN:-}" ]]; then
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echo "GITHUB_TOKEN is not set" >&2
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exit 1
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fi
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if [[ -z "${GITHUB_REPOSITORY:-}" ]]; then
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echo "GITHUB_REPOSITORY is not set" >&2
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exit 2
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fi
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if [[ -z "${GITHUB_EVENT_PATH:-}" ]]; then
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echo "GITHUB_EVENT_PATH is not set" >&2
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exit 3
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fi
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# Extract the pull request number from the event payload
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pr_number=$(jq --raw-output '.pull_request.number' "$GITHUB_EVENT_PATH")
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if [[ "$pr_number" == "null" ]]; then
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echo "Not a pull request event"
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exit 0
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fi
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# Split repository into owner and repo name using Bash parameter expansion
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owner="${GITHUB_REPOSITORY%%/*}" # Extract text before the first '/'
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repo="${GITHUB_REPOSITORY##*/}" # Extract text after the last '/'
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page=1
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per_page=100
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changed_php_files=()
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changed_phan_files=()
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changed_lang_files=()
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# Get phan path configuration
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phan_directory_list=$(php -r '$config = require("dev/tools/phan/config.php"); echo "^".implode("|",$config["directory_list"]);')
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phan_exclude_directory=$(php -r '$config = require("dev/tools/phan/config.php"); echo "^".implode("|",$config["exclude_analysis_directory_list"]);')
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phan_exclude_file_regex=$(php -r '$config = require("dev/tools/phan/config.php"); echo $config["exclude_file_regex"];')
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phan_exclude_file_regex=${phan_exclude_file_regex#@}
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phan_exclude_file_regex=${phan_exclude_file_regex%@}
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# Loop through all pages to gather changed files
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while true; do
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response=$(curl -s -H "Authorization: token ${GITHUB_TOKEN}" \
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"https://api.github.com/repos/${owner}/${repo}/pulls/${pr_number}/files?per_page=${per_page}&page=${page}")
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# Filter for files ending with .php and add them to the list
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mapfile -t files < <(echo "$response" | jq -r '.[] | select((.filename | test("\\.php$")) and (.filename | test("^dev/") | not)) | .filename')
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changed_php_files+=("${files[@]}")
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mapfile -t files < <(echo "$response" | jq -r '.[] | select((.filename | test("\\.php$")) and (.filename | test("'"$phan_directory_list"'"))) | .filename' | grep -vP "$phan_exclude_file_regex")
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changed_phan_files+=("${files[@]}")
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mapfile -t files < <(echo "$response" | jq -r '.[] | select(.filename | test("\\.lang$")) | .filename')
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changed_lang_files+=("${files[@]}")
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# Check if we have reached the last page (less than per_page results)
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count=$(echo "$response" | jq 'length')
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if (( count < per_page )); then
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break
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fi
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((page++))
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done
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# Build a space-separated string of changed PHP and lang files
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# This does not cope with files that have spaces.
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# But such files do not exist in the project (at least not for the
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# files we are filtering).
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all_changed_files=$(IFS=" " ; echo "${changed_php_files[*]}")
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all_changed_lang=$(IFS=" " ; echo "${changed_lang_files[*]}")
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phan_changed_files=$(IFS=" " ; echo "${changed_phan_files[*]}")
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forbidden_files=""
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#forbidden_files=$(echo "$all_changed_lang" | grep -E 'htdocs/langs/([^/]+)/.*\.lang$' | grep -v 'htdocs/langs/en_US/')
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#if [ -n "$forbidden_files" ]; then
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# echo "You tried to modify one or more language files that are not allowed to be modified in Pull requests."
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# echo "$forbidden_files"
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# echo "To modify translations that are not the source language (en_US), you must modify them from transifex.com"
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# exit 10
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#fi
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# Determine changed files flags
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if [ -z "${all_changed_files}" ]; then
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any_changed="false"
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else
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any_changed="true"
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fi
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if [ -z "${phan_changed_files}" ]; then
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phan_changed="false"
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else
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phan_changed="true"
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fi
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# Set outputs for GitHub Actions if GITHUB_OUTPUT is available
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if [ -n "${GITHUB_OUTPUT:-}" ]; then
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echo "any_changed=${any_changed}" >> "$GITHUB_OUTPUT"
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echo "phan_changed=${phan_changed}" >> "$GITHUB_OUTPUT"
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echo "all_changed_files=${all_changed_files}" >> "$GITHUB_OUTPUT"
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echo "phan_changed_files=${phan_changed_files[*]}" >> "$GITHUB_OUTPUT"
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echo "forbidden_files=${forbidden_files}" >> "$GITHUB_OUTPUT"
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else
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# Otherwise, print the outputs
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echo "any_changed=${any_changed}"
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echo "phan_changed=${phan_changed}"
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echo "phan_changed_files=${phan_changed_files[*]}"
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echo "all_changed_files=${all_changed_files}"
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echo "forbidden_files=${forbidden_files}"
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fi
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