sysupdate: insert tombstone

after this update, we're on git: update sysupdate
to switch repositories.

diff --git a/rc/bin/sysupdate b/rc/bin/sysupdate
index e0420b50fe4e6a308aa962d4d24a9eb4b2a8f937..88fec033cce4ab14056442d542257907dfd12017 100755 (executable)
--- a/rc/bin/sysupdate
+++ b/rc/bin/sysupdate
@@ -1,17 +1,35 @@
 #!/bin/rc
+
 rfork en
-source=https://code.9front.org/hg/plan9front
-cd /
-if(! test -d .hg)
-       bind -ac /dist/plan9front /
-while(! ~ $#* 0){
-       switch($1){
-       case -i
-               hg incoming $source
-       case *
-               echo usage: sysupdate '[-i]' >[1=2]
-               exit usage
+
+updating=()
+nl='
+'
+if(! test -d /dist/plan9front/.git){
+       >[1=2] echo 'end of line for hg: moving to git.'
+       updating=1
+
+       if(! test -f /bin/git/pull){
+               >[1=2] echo 'git is required:'
+               >[1=2] echo '   cd /sys/src/cmd/git && mk install'
+               exit gitless
        }
-       shift
+
+       >[1=2] echo '   fetching snapshot...'
+       cd /dist/plan9front
+       hget http://git.9front.org/static/plan9front-seed.tar.gz | tar xz
+       mv .git-snap .git
+
+       git/fs
+       git/walk >/dev/null
+       >[1=2] echo '   pulling with git...'
 }
-hg -v pull -u $source
+
+cd /
+if(! test -d .git)
+       bind -ac /dist/plan9front /
+git/pull -u gits://git.9front.org/plan9front/plan9front
+
+if(~ $updating 1)
+       >[1=2] echo 'got git: you may remove /dist/plan9front/.hg'
+exit ''