mirror of
https://github.com/Sea-Haven-Industries/shoc-pr-review-runner.git
synced 2026-10-01 23:13:27 +00:00
63 lines
2.1 KiB
Bash
63 lines
2.1 KiB
Bash
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#!/usr/bin/env bash
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# Validate the workflow_dispatch inputs (spec §8.2) and normalize PR references.
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#
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# Reads: REVIEW_TYPE, FRONTEND_PR, BACKEND_PR, FRONTEND_REPO, BACKEND_REPO
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# Writes: frontend_pr / backend_pr (numbers, empty when not in scope) to
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# $GITHUB_OUTPUT when present, else stdout.
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=lib.sh
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source "$SCRIPT_DIR/lib.sh"
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require_env REVIEW_TYPE FRONTEND_REPO BACKEND_REPO
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# normalize_pr <raw> <expected-repo> -> prints the PR number
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# Accepts a bare number or a full PR URL. Rejects URLs pointing anywhere other
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# than the expected repository.
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normalize_pr() {
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local raw="$1" repo="$2"
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raw="$(printf '%s' "$raw" | tr -d '[:space:]')"
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if [[ "$raw" =~ ^[0-9]+$ ]]; then
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printf '%s' "$raw"
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return 0
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fi
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if [[ "$raw" =~ ^https://github\.com/([^/]+/[^/]+)/pull/([0-9]+)(/.*)?$ ]]; then
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local url_repo="${BASH_REMATCH[1]}" num="${BASH_REMATCH[2]}"
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[ "$url_repo" = "$repo" ] || die "PR URL points at '$url_repo', expected '$repo'"
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printf '%s' "$num"
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return 0
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fi
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die "invalid PR reference '$raw' (expected a number or a $repo PR URL)"
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}
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frontend_pr=""
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backend_pr=""
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case "$REVIEW_TYPE" in
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frontend)
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[ -n "${FRONTEND_PR:-}" ] || die "review_type=frontend requires frontend_pr"
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frontend_pr="$(normalize_pr "$FRONTEND_PR" "$FRONTEND_REPO")"
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;;
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backend)
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[ -n "${BACKEND_PR:-}" ] || die "review_type=backend requires backend_pr"
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backend_pr="$(normalize_pr "$BACKEND_PR" "$BACKEND_REPO")"
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;;
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paired)
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[ -n "${FRONTEND_PR:-}" ] || die "review_type=paired requires frontend_pr"
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[ -n "${BACKEND_PR:-}" ] || die "review_type=paired requires backend_pr"
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frontend_pr="$(normalize_pr "$FRONTEND_PR" "$FRONTEND_REPO")"
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backend_pr="$(normalize_pr "$BACKEND_PR" "$BACKEND_REPO")"
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;;
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*)
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die "invalid review_type '$REVIEW_TYPE' (frontend|backend|paired)"
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;;
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esac
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out="${GITHUB_OUTPUT:-/dev/stdout}"
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{
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printf 'frontend_pr=%s\n' "$frontend_pr"
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printf 'backend_pr=%s\n' "$backend_pr"
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} >>"$out"
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log "inputs valid: review_type=$REVIEW_TYPE frontend_pr=${frontend_pr:-none} backend_pr=${backend_pr:-none}"
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