Tidy the test comments and shell portability

1 file changed, 10 insertions, 3 deletions

diff --git a/tests/t0203-dates.sh b/tests/t0203-dates.sh
index 1bd6253..02f12f1 100755
--- a/tests/t0203-dates.sh
+++ b/tests/t0203-dates.sh
@@ -1,10 +1,16 @@
 #!/bin/sh
 
+# Checks how cgit shows a commit date, which is either an age relative to now
+# or a calendar date in the format the config names. The config is rewritten
+# between cases so that each one names only the settings it is about and
+# leaves the rest at their defaults.
+
 test_description='Check the date display options'
 . ./setup.sh
 
-# An old commit and a fresh one, so a single log page exercises both the
-# relative rendering and the calendar fallback past the two week cutoff.
+# One old commit and one fresh one, so a single page shows both the relative
+# rendering and the calendar fallback that takes over past the two week
+# cutoff.
 test_expect_success 'set up a dated repo' '
 	mkrepo repos/dated 1 &&
 	(
@@ -18,7 +24,8 @@ test_expect_success 'set up a dated repo' '
 	)
 '
 
-# Each argument is written as one extra config line.
+# Writes the config afresh, one extra line per argument, which is what lets a
+# test below name a setting or two and say nothing about the rest.
 daterc() {
 	{
 		echo "virtual-root=/"