tests/test-convert-svn-branches

convert/svn: make sink recover gracefully from empty changeset

Otherwise when processing a changeset that in fact changes no files
(perhaps due to bug in import from CVS) can get something like:
  unexpected svn output:
  abort: unable to cope with svn output

Bug report and patch draft by Jesse Glick <[e-mail]>

#!/bin/sh

"$TESTDIR/hghave" svn svn-bindings || exit 80

fix_path()
{
    tr '\\' /
}

echo "[extensions]" >> $HGRCPATH
echo "convert = " >> $HGRCPATH
echo "hgext.graphlog =" >> $HGRCPATH

svnadmin create svn-repo
cat "$TESTDIR/svn/branches.svndump" | svnadmin load svn-repo > /dev/null

echo % convert trunk and branches
cat >branchmap <<EOF
old3 newbranch
EOF
hg convert --branchmap=branchmap --datesort -r 10 svn-repo A-hg

echo % convert again
hg convert --branchmap=branchmap --datesort svn-repo A-hg

cd A-hg
hg glog --template 'branch={branches} {rev} {desc|firstline} files: {files}\n'
hg branches | sed 's/:.*/:/'
hg tags -q
cd ..

echo '% test hg failing to call itself'
HG=foobar hg convert svn-repo B-hg 2>&1 | grep -v foobar