ci: split checks and fix gitea workflow

scripts/tests/test-install-selections.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -euo pipefail
+summary=false
+while [ $# -gt 0 ]; do
+  case "$1" in
+    --summary) summary=true; shift ;;
+    *) printf 'Unknown argument: %s\n' "$1" >&2; exit 1 ;;
+  esac
+done
+root=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/../.." && pwd)
+for shell_selection in 1 2; do
+  for client_selection in 1 2 3; do
+    output=$(printf '%s\n%s\n' "$shell_selection" "$client_selection" | bash "$root/scripts/commands/install.sh" --dry-run 2>&1) || { printf '%s\n' "$output" >&2; exit 1; }
+    printf '%s\n' "$output" | grep -E 'WARN|FAIL|WARNING|ERROR' || true
+    [[ "$output" == *'PASS install dry-run'* ]]
+    shell=powershell
+    [ "$shell_selection" != 2 ] || shell=bash
+    [[ "$output" == *"-$shell"* ]]
+  done
+done
+if [ "$summary" = true ]; then printf 'Tests: PASS | install selections\n'; else printf 'PASS six shell and client selections\n'; fi