convert/gnuarch: retrieve known archive names list
This will make possible in a followup patch to prevent
following history that is not reachable because an archive
is unknown to the user.
#!/bin/sh
mkdir t
cd t
hg init
echo "invalid" > .hg/hgrc
hg status 2>&1 |sed -e "s:/.*\(/t/.*\):...\1:"
#issue 1199, escaping
cd ..
hg init "foo%bar"
hg clone "foo%bar" foobar
p=`pwd`
cd foobar
cat .hg/hgrc |sed -e "s:$p:...:"
hg paths |sed -e "s:$p:...:"
hg showconfig |sed -e "s:$p:...:"