httprepo: record the url after a request, makes pull + redirect works
POST+redirect doesn't work in python, as a workaround we record the url
from the previous GETs so that when we do a POST it uses the redirected url
fix issue327
#!/bin/sh
# Test for changeset ba7c74081861
# (update dirstate correctly for non-branchmerge updates)
hg init a
cd a
echo a > a
hg add a
hg commit -m a
cd ..
hg clone a b
cd a
hg mv a b
hg commit -m move
echo b >> b
hg commit -m b
cd ../b
hg pull ../a
hg update