ref: e2232a8ce3e56bd8bc0d6a83d82c28e49beacfec
dir: /pull/
#!/bin/rc -e rfork en nl=' ' fn update{ update=$1 branch=$2 upstream=$3 url=$4 dir=$5 {git/fetch -b $branch -u $upstream $url >[2=3] | awk -v 'update='^$update ' function writeref(ref, hash) { outfile = ".git/"ref system("mkdir -p `{basename -d "outfile"}") print hash > outfile close(outfile) } /^remote/{ if($2=="HEAD") next if(update) writeref($2, $3) gsub("^refs/heads", "refs/remotes/'$upstream'", $2) writeref($2, $3) } '} |[3] tr '\x0d' '\x0a' } fn usage{ echo usage: $0 '[-a] [-u upstream] [-b branch] -u up: pull from upstream "up" (default: origin) -f: fetch without updating working copy' >[1=2] exit usage } git/fs branch=`{awk '$1=="branch"{print $2}' < /mnt/git/ctl} remote=() update='true' upstream=origin while(~ $1 -*){ switch($1){ case -u upstream=SOMEONE remote=$2 shift case -b branch=$2 shift case -f update='' case * usage } shift } if(! ~ $#* 0) usage if(~ $#remote 0) remote=`{git/conf 'remote "'$upstream'".url'} if(~ $#remote 0){ echo 'no idea from where to pull' exit upstream } if(! cd `{git/conf -r}) exit 'not in git repository' dir=/mnt/git/branch/$branch/tree if(! git/walk -q){ echo $status echo 'repository is dirty; commit before pulling' >[1=2] exit 'dirty' } oldfiles=`$nl{git/walk -cfT} update $update $branch $upstream $remote $dir if(! ~ $update 0){ rm -f $oldfiles tree=/mnt/git/HEAD/tree @{builtin cd $tree && tar cif /fd/1 .} | @{tar xf /fd/0} for(f in `$nl{walk -f $tree | sed 's@^'$tree'/*@@'}){ if(! ~ $#f 0){ idx=.git/index9/tracked/$f mkdir -p `{basename -d $idx} walk -eq $f > $idx } } }