buildrpm: complain when hg command isn't available
Before it complained "You are not inside a Mercurial repository!" which wasn't true.
--- a/contrib/buildrpm Thu Nov 27 00:57:32 2008 +0100
+++ b/contrib/buildrpm Thu Nov 27 01:09:11 2008 +0100
@@ -3,9 +3,16 @@
# Build a Mercurial RPM in place.
# Known to work on:
# - Fedora 9
+# - Fedora 10
#
# Bryan O'Sullivan <bos@serpentine.com>
+if hg --version > /dev/null 2>&1; then :
+else
+ echo 'hg command not available!' 1>&2
+ exit 1
+fi
+
root="`hg root 2>/dev/null`"
specfile=contrib/mercurial.spec