From ae98d9d18415f10ba65aeebdcd942d86f30ddb60 Mon Sep 17 00:00:00 2001
From: "Kyle J. McKay" <mackyle@gmail.com>
Date: Mon, 19 Jun 2017 16:41:26 -0700
Subject: [PATCH] helper/needs_update_check.sh: allow test scripts access

Signed-off-by: Kyle J. McKay <mackyle@gmail.com>
---
 t/helper/.gitignore            |  1 +
 t/helper/needs_update_check.sh | 98 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 99 insertions(+)
 create mode 100644 t/helper/needs_update_check.sh

diff --git a/t/helper/.gitignore b/t/helper/.gitignore
index c77e5db..0990995 100644
--- a/t/helper/.gitignore
+++ b/t/helper/.gitignore
@@ -1,3 +1,4 @@
 /branch_needs_update
 /navigate_deps
+/needs_update_check
 /recurse_deps_internal
diff --git a/t/helper/needs_update_check.sh b/t/helper/needs_update_check.sh
new file mode 100644
index 0000000..9ab3dfd
--- /dev/null
+++ b/t/helper/needs_update_check.sh
@@ -0,0 +1,98 @@
+#!/bin/sh
+# TopGit needs_update_check test helper command
+# Copyright (C) 2015,2017 Kyle J. McKay <mackyle@gmail.com>
+# All rights reserved.
+# License GPLv2
+
+USAGE="\
+Usage: ${0##*/} [-C <dir>] [-r <remote>] [-u] [--no-cache] [--no-remotes] [--no-self] [--no-same] [--] <options_and_args>"
+
+usage()
+{
+	if [ "${1:-0}" != 0 ]; then
+		printf '%s\n' "$USAGE" >&2
+	else
+		printf '%s\n' "$USAGE"
+	fi
+	exit ${1:-0}
+}
+
+fatal()
+{
+        printf 'fatal: %s\n' "$*" >&2
+        exit 1
+}
+
+cmd_path() (
+        { "unset" -f command unset unalias "$1"; } >/dev/null 2>&1 || :
+        { "unalias" -a || unalias -m "*"; } >/dev/null 2>&1 || :
+        command -v "$1"
+)
+
+# unset that ignnores error code that shouldn't be produced according to POSIX
+unset_() {
+	unset "$@" || :
+}
+
+set -e
+
+tgbin="$(cmd_path tg)" && [ -n "$tgbin" ] && [ -x "$tgbin" ] && [ -r "$tgbin" ] ||
+	fatal "tg not found in \$PATH or not executable or not readable"
+
+unset_ noremote nocache
+while [ $# -gt 0 ]; do case "$1" in
+	-h|--help)
+		usage
+		;;
+	-C)
+		shift
+		[ -n "$1" ] || fatal "option -C requires an argument"
+		cd "$1"
+		;;
+	-u)
+		noremote=1
+		;;
+	-r)
+		shift
+		[ -n "$1" ] || fatal "option -r requires an argument"
+		base_remote="$1"
+		unset_ noremote
+		;;
+	--no-cache)
+		nocache=1
+		;;
+	--no-remotes)
+		no_remotes=1
+		;;
+	--no-self)
+		needs_update_check_no_self=1
+		;;
+	--no-same)
+		needs_update_check_no_same=1
+		;;
+	--)
+		shift
+		break
+		;;
+	-?*)
+		echo "Unknown option: $1" >&2
+		usage 1
+		;;
+	*)
+		break
+		;;
+esac; shift; done
+
+tg__include=1
+# MUST do this AFTER changing the current directory since it sets $git_dir!
+. "$tgbin"
+[ -z "$noremote" ] || base_remote=
+
+[ -n "$nocache" ] || become_cacheable
+[ $# -gt 0 ] || set -- $(navigate_deps -s=-1)
+needs_update_check "$@"
+printf '%s\n' \
+	"${needs_update_processed:-:}" \
+	"${needs_update_behind:-:}" \
+	"${needs_update_ahead:-:}" \
+	"${needs_update_partial:-:}"
-- 
2.11.4.GIT