# HG changeset patch
# User Franz Glasner <fzglas.hg@dom66.de>
# Date 1580043766 -3600
# Node ID 90bdc5eff028495afe0fcd570ad01a7041e6227d
# Parent  0e70a4ba3bd3f382bb3ff58dc63309c3fa9d9dc7
Factor out the environment test into a shell function

diff -r 0e70a4ba3bd3 -r 90bdc5eff028 tests/lib-test-timestamps.sh
--- a/tests/lib-test-timestamps.sh	Sun Jan 26 13:53:00 2020 +0100
+++ b/tests/lib-test-timestamps.sh	Sun Jan 26 14:02:46 2020 +0100
@@ -12,12 +12,13 @@
 #   - # ... do some manual tests
 #
 
+
 #
-# Prepare a "canonical" repository for testing the timestamps extension
+# Check environment
 #
-# prepare_repo REPO SHOW_OUTPUT
+# _check_environment
 #
-prepare_repo() {
+_check_environment() {
     if [ -z "$TESTDIR" ]; then
 	echo "TESTDIR is not set"
 	return 1
@@ -37,12 +38,22 @@
 	    echo "HGRCPATH is not set"
 	    return 1
 	else
-	    # Path after changing wd into $1
+	    # Path after changing wd into the repo in caller's $1
 	    LOCAL_HGRCPATH=".hg/hgrc"
 	fi
     else
 	LOCAL_HGRCPATH="$HGRCPATH"
     fi
+}
+
+
+#
+# Prepare a "canonical" repository for testing the timestamps extension
+#
+# prepare_repo REPO SHOW_OUTPUT
+#
+prepare_repo() {
+    _check_environment || return 1
     SHOW_OUTPUT="$2"
     hg init "$1"
     cd "$1"