929b0ff087
This caused some confusion, so to make it clear that it's plumbing and has nothing to do with 'git fetch', rename it.
115 lines
2.6 KiB
Bash
Executable file
115 lines
2.6 KiB
Bash
Executable file
#!/bin/rc
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rfork en
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. /sys/lib/git/common.rc
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flagfmt='d:debug, b:branch branch'; args='remote [local]'
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eval `''{aux/getflags $*} || exec aux/usage
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if(~ $debug 1)
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debug=(-d)
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remote=`{echo $1 | sed 's@/*$@@'}
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local=$2
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if(~ $#remote 0)
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exec aux/usage
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if(~ $#local 0)
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local=`{basename $remote .git}
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if(~ $#branch 1)
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branchflag=(-b $branch)
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if(test -e $local)
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die 'repository already exists:' $local
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fn clone{
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flag +e
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mkdir -p $local/.git
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mkdir -p $local/.git/fs
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mkdir -p $local/.git/objects/pack/
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mkdir -p $local/.git/refs/heads/
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cd $local
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>>.git/config {
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echo '[remote "origin"]'
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echo ' url='$remote
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}
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{git/get $debug $branchflag $remote >[2=3] | awk '
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BEGIN{
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headref=""
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if(ENVIRON["branch"] != "")
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headref="refs/remotes/origin/"ENVIRON["branch"]
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headhash=""
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}
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/^symref / && headref == "" {
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if($2 == "HEAD"){
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gsub("^refs/heads", "refs/remotes/origin", $3)
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gsub("^refs/tags", "refs/remotes/origin/tags", $3)
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}
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}
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/^remote /{
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if($2=="HEAD"){
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headhash=$3
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}else if(match($2, "^refs/(heads|tags)/")){
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gsub("^refs/heads", "refs/remotes/origin", $2)
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if($2 == headref || (headref == "" && $3 == headhash))
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headref=$2
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outfile = ".git/" $2
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outdir = outfile
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gsub("/?[^/]*/?$", "", outdir)
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system("mkdir -p "outdir)
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print $3 > outfile
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close(outfile)
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}
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}
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END{
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if(headref != ""){
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remote = headref;
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refdir = headref;
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gsub("/?[^/]*/?$", "", refdir)
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gsub("^refs/remotes/origin", "refs/heads", headref)
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system("mkdir -p .git/"refdir);
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system("cp .git/" remote " .git/" headref)
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print "ref: " headref > ".git/HEAD"
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}else if(headhash != ""){
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print "warning: detached head "headhash > "/fd/2"
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print headhash > ".git/HEAD"
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}
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}
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'} |[3] tr '\x0d' '\x0a' || die 'could not clone repository'
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tree=.git/fs/HEAD/tree
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lbranch=`{git/branch}
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rbranch=`{echo $lbranch | subst 'heads' 'remotes/origin'}
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echo checking out repository...
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if(test -f .git/refs/$rbranch){
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cp .git/refs/$rbranch .git/refs/$lbranch
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git/fs
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@ {builtin cd $tree && tar cif /fd/1 .} | @ {tar xf /fd/0} \
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|| die 'checkout failed:' $status
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for(f in `$nl{walk -f $tree | drop $tree}){
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idx=.git/index9/tracked/$f
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mkdir -p `$nl{basename -d $idx}
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walk -eq ./$f > $idx
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}
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}
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if not{
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echo no default branch >[1=2]
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echo check out your code with git/branch >[1=2]
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}
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}
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fn sigint {
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echo cancelled clone $remote: cleaning $local >[1=2]
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rm -rf $local
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exit interrupted
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}
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@{clone}
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st=$status
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if(! ~ $st ''){
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echo failed to clone $remote: cleaning $local >[1=2]
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rm -rf $local
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exit $st
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}
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exit ''
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