Mercurial > hg
view contrib/plan9/9diff @ 33155:b8ae289a7707
patch: add close() to abstractbackend
patchbackend() seems to call it on an arbitrary backend, so it seems
to be part of the API. Since all subclasses do something in their
close() methods, I decided to let this one raise an exception rather
than just pass.
author | Martin von Zweigbergk <martinvonz@google.com> |
---|---|
date | Fri, 30 Jun 2017 09:07:24 -0700 |
parents | f9262456fb01 |
children |
line wrap: on
line source
#!/bin/rc # 9diff - Mercurial extdiff wrapper for diff(1) rfork e fn getfiles { cd $1 && for(f in `{du -as | awk '{print $2}'}) test -f $f && echo `{cleanname $f} } fn usage { echo >[1=2] usage: 9diff [diff options] parent child root exit usage } opts=() while(~ $1 -*){ opts=($opts $1) shift } if(! ~ $#* 3) usage # extdiff will set the parent and child to a single file if there is # only one change. If there are multiple changes, directories will be # set. diff(1) does not cope particularly with directories; instead we # do the recursion ourselves and diff each file individually. if(test -f $1) diff $opts $1 $2 if not{ # extdiff will create a snapshot of the working copy to prevent # conflicts during the diff. We circumvent this behavior by # diffing against the repository root to produce plumbable # output. This is antisocial. for(f in `{sort -u <{getfiles $1} <{getfiles $2}}){ file1=$1/$f; test -f $file1 || file1=/dev/null file2=$3/$f; test -f $file2 || file2=/dev/null diff $opts $file1 $file2 } } exit ''