view tests/test-convert-svn-branches @ 8742:a964ab624385

merge: allow merging going backwards

New behavior is generally superior and more correct, except possibly
with regards to missing files. hg up . is now effectively a no-op,
which is probably the desired behavior for people expecting to move to
tip, but may surprise people who were expecting deleted files to
reappear.

case 1: update to .

a-w -> a-w

classic: ancestor a
 missing     recreated     right?
 rmed        recreated     WRONG
 added       forgotten     WRONG
 changed     preserved     RIGHT
 conflicted  can't happen

backward merge: ancestor a  (NO EFFECT)
 missing     missing      wrong?
 rm'ed       rm'ed        RIGHT
 added       preserved	  RIGHT
 changed     preserved    RIGHT
 conflicted  can't happen

case 2: update to ancestor of .

a-b-w -> b-w
          \
           a

classic:  ancestor a
 missing       recreated        right?
 rmed          recreated        wrong?
 added         forgotten        wrong?
 changed       preserved        RIGHT
 conflicted    preserved        wrong?

backwards merge: ancestor b
 missing       missing or conflict  right?
 rm'ed         missing or conflict  right?
 changed       preserved            RIGHT
 conflicted    merge                RIGHT
 added         preserved            right?

#!/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

svnpath=`pwd | fix_path`
# SVN wants all paths to start with a slash. Unfortunately,
# Windows ones don't. Handle that.
expr $svnpath : "\/" > /dev/null
if [ $? -ne 0 ]; then
    svnpath='/'$svnpath
fi
svnurl=file://$svnpath/svn-repo

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

echo % convert again
hg convert --branchmap=branchmap --datesort $svnurl A-hg

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