Tidy the test comments and shell portability

1 file changed, 12 insertions, 5 deletions

diff --git a/tests/t0202-stats.sh b/tests/t0202-stats.sh
index 1589776..2ada672 100755
--- a/tests/t0202-stats.sh
+++ b/tests/t0202-stats.sh
@@ -1,9 +1,15 @@
 #!/bin/sh
 
+# Checks the per repository statistics page, which stays off until a config
+# turns it on and then reports commits per author beside a breakdown of the
+# tree by language. A second config caps the period so that what max-stats
+# takes out of the period selector is covered as well.
+
 test_description='Check the statistics page'
 . ./setup.sh
 
-# The default test config carries no enable-stats.
+# The shared test config sets no enable-stats, so this is what an untouched
+# install does.
 test_expect_success 'stats are off by default' '
 	cgit_url "foo/stats" >tmp &&
 	grep "Status: 404" tmp &&
@@ -11,10 +17,11 @@ test_expect_success 'stats are off by default' '
 	! grep ">stats</a>" tmp
 '
 
-# A repo with one commit dated now, so the authors table has something
-# to count beside the 2005-dated fixture commits. The commit graph
-# makes the language walk take the graph lookup path, which once
-# returned another commit after the history walk released memory.
+# The authors table counts only recent periods, so the fixture needs a commit
+# dated now to sit beside the 2005 dates the shared repositories carry. The
+# commit graph is written on purpose, because it sends the language walk down
+# the graph lookup path, which once handed back another commit after the
+# history walk had released its memory.
 test_expect_success 'set up a stats config' '
 	mkrepo repos/pulse 2 &&
 	(