performance: normalize self._root, avoid calling os.path.join() in dirstate
In dirstate, self._join() might get called a lot. Instead of calling it
we create self._rootdir and we then only need to append the filename.
# Some default global settings for common merge tools
[merge-tools]
kdiff3.args=--auto --L1 base --L2 local --L3 other $base $local $other -o $output
kdiff3.regkey=Software\KDiff3
kdiff3.regappend=\kdiff3.exe
kdiff3.fixeol=True
kdiff3.gui=True
gvimdiff.args=--nofork -d -g -O $local $other $base
gvimdiff.regkey=Software\Vim\GVim
gvimdiff.regname=path
gvimdiff.priority=-9
merge.checkconflicts=True
merge.priority=-10
gpyfm.gui=True
meld.gui=True
tkdiff.args=$local $other -a $base -o $output
tkdiff.gui=True
tkdiff.priority=-8
xxdiff.args=--show-merged-pane --exit-with-merge-status --title1 local --title2 base --title3 other --merged-filename $output --merge $local $base $other
xxdiff.gui=True
xxdiff.priority=-8
diffmerge.args=--nosplash --merge --title1=base --title2=local --title3=other $base $local $other
diffmerge.checkchanged=True
diffmerge.gui=True
p4merge.args=$base $local $other $output
p4merge.regkey=Software\Perforce\Environment
p4merge.regname=P4INSTROOT
p4merge.regappend=\p4merge.exe
p4merge.gui=True
p4merge.priority=-8
tortoisemerge.args=/base: $output /mine:$local /theirs:$other /merged:$output
tortoisemerge.regkey=Software\TortoiseSVN
tortoisemerge.gui=True
ecmerge.args=$base $local $other --mode=merge3 --title0=base --title1=local --title2=other --to=$output
ecmerge.regkey=Software\Elli\xc3\xa9 Computing\Merge
ecmerge.gui=True
filemerge.args=-left $other -right $local -ancestor $base -merge $output
filemerge.gui=True