fix: allow PowerShell CRLF line endings

scripts/test-verify-line-endings.sh

@@ -9,6 +9,7 @@ printf '#!/bin/sh\nexit 0\n' > "$fixture_root/ok.sh"
 printf '#!/bin/sh\r\nexit 0\r\n' > "$fixture_root/bad.sh"
 printf 'services:\r\n  app:\r\n    image: example\r\n' > "$fixture_root/compose.yaml"
 printf 'FROM scratch\r\n' > "$fixture_root/Dockerfile"
+printf 'Write-Output "ok"\r\n' > "$fixture_root/valid.ps1"
 
 set +e
 output="$("$repo_root/scripts/verify-line-endings.sh" "$fixture_root" 2>&1)"
@@ -32,6 +33,11 @@ if grep -Fq 'ok.sh' <<< "$output"; then
   exit 1
 fi
 
+if grep -Fq 'valid.ps1' <<< "$output"; then
+  echo "reported compliant CRLF PowerShell path: valid.ps1" >&2
+  exit 1
+fi
+
 printf '#!/bin/sh\nexit 0\n' > "$fixture_root/bad.sh"
 printf 'services:\n  app:\n    image: example\n' > "$fixture_root/compose.yaml"
 printf 'FROM scratch\n' > "$fixture_root/Dockerfile"

scripts/verify-line-endings.sh

@@ -23,6 +23,10 @@ root="$(cd "$root" && pwd)"
 offenders=()
 
 while IFS= read -r -d '' file; do
+  case "$file" in
+    *.ps1) continue ;;
+  esac
+
   if LC_ALL=C grep -Il $'\r' "$file" >/dev/null; then
     offenders+=("${file#"$root"/}")
   fi