run-tests: fix _checkhglib() so it's correct when using --with-hg.
Since this makes the warning less likely, upgrade it to a "real"
warning to stderr.
% clone
updating working directory
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
% commit
adding a
% commit
% push
pushing to ../a
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files
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MIME-Version: 1.0
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Date:
Subject: test-notify-changegroup/a: 2 new changesets
From: test
X-Hg-Notification: changeset cb9a9f314b8b
Message-Id:
To: baz, foo@bar
changeset cb9a9f314b8b in test-notify-changegroup/a
details: test-notify-changegroup/a?cmd=changeset;node=cb9a9f314b8b
summary: a
changeset ba677d0156c1 in test-notify-changegroup/a
details: test-notify-changegroup/a?cmd=changeset;node=ba677d0156c1
summary: b
diffs (6 lines):
diff -r 000000000000 -r ba677d0156c1 a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/a Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,2 @@
+a
+a