ref: 45001b2700f817cc4a3609574031437040de393e
dir: /pull/
#!/bin/rc -e rfork en . /sys/lib/git/common.rc fn update{ upstream=$1 url=$2 dir=$3 dflag=() if(! ~ $#debug 0) dflag='-d' {git/get $dflag -u $upstream $url >[2=3] || die $status} | awk ' /^remote/{ if($2=="HEAD") next ref=$2 hash=$3 gsub("^refs/heads", "refs/remotes/'$upstream'", ref) outfile = ".git/"ref system("mkdir -p `{basename -d "outfile"}"); print hash > outfile; close(outfile); } ' |[3] tr '\x0d' '\x0a' } gitup flagfmt='d:debug, q:quiet, f:fetchonly, u:upstream upstream' args='' eval `''{aux/getflags $*} || exec aux/usage if(~ $#upstream 0) upstream=origin remote=`$nl{git/conf 'remote "'$upstream'".url'} if(~ $#remote 0){ remote=$upstream upstream=THEM } update $upstream $remote if (~ $fetchonly 1) exit local=`{git/branch} remote=`{git/branch | subst '^(refs/)?heads' 'remotes/'$upstream} # we have local commits, but the remote hasn't changed. # in this case, we want to keep the local commits untouched. if(~ `{git/query HEAD $remote @} `{git/query $remote}){ echo 'up to date' >[1=2] exit } # The remote repository and our HEAD have diverged: we # need to merge. if(! ~ `{git/query HEAD $remote @} `{git/query HEAD}){ >[1=2]{ echo ours: `{git/query HEAD} echo theirs: `{git/query $remote} echo common: `{git/query HEAD $remote @} echo git/merge $remote } exit diverged } # The remote is directly ahead of the local, and we have # no local commits that need merging. if(~ $#quiet 0) git/log -s -e $local'..'$remote echo $remote':' `{git/query $local} '=>' `{git/query $remote} git/branch -mnb $remote $local exit ''