tests/test-hgk.t

hgweb: set minimum number of revision to display to 1 when revcount is 0

When revcount goes to 0 nothing is displayed in hgweb. This patch sets revcount to max(revcount, 1).

Minimal hgk check

  $ echo "[extensions]" >> $HGRCPATH
  $ echo "hgk=" >> $HGRCPATH
  $ hg init repo
  $ cd repo
  $ echo a > a
  $ hg ci -Am adda
  adding a
  $ hg debug-cat-file commit 0
  tree a0c8bcbbb45c
  parent 000000000000
  author test 0 0
  committer test 0 0
  revision 0
  branch default
  
  adda