sys/src/cmd/git/compat

   1 #!/bin/rc
   2
   3 rfork e
   4
   5 opts=()
   6 args=()
   7
   8 fn cmd_init{
   9         while(~ $#* 0){
  10                 switch($1){
  11                 case --bare
  12                         opts=(-b)
  13                 case --
  14                         # go likes to use these
  15                 case -*
  16                         die unknown command init $*
  17                 case *
  18                         args=($args $1)
  19                 }
  20                 shift
  21         }
  22         ls >[1=2]
  23         git/init $opts $args
  24 }
  25
  26 fn cmd_clone{
  27         branch=()
  28         while( ! ~ $#* 0){
  29                 switch($1){
  30                 case -b
  31                         branch=$2
  32                         shift
  33                 case --
  34                         # go likes to use these
  35                 case -*
  36                         die unknown command clone $*
  37                 case *
  38                         args=($args $1)
  39                 }
  40                 shift
  41         }
  42         git/clone $opts $args
  43         if(~ $#branch 1)
  44                 git/branch -n -b $1 origin/$1
  45 }
  46
  47 fn cmd_pull{
  48         if(~ $1 -*)
  49                 die unknown options for pull $*
  50         git/pull
  51 }
  52
  53 fn cmd_fetch{
  54         while(~ $#* 0){
  55                 switch($1){
  56                 case --all
  57                         opts=($opts -a)
  58                 case -f
  59                         opts=($opts -u $2)
  60                         shift
  61                 case --
  62                         # go likes to use these
  63                 case -*
  64                         die unknown command clone $*
  65                 case *
  66                         args=($args $1)
  67                 }
  68                 shift
  69         }
  70         git/pull -f $opts
  71 }
  72
  73
  74 fn cmd_checkout{
  75         if(~ $1 -*)
  76                 die unknown command pull $*
  77         if(~ $#* 0)
  78                 die git checkout branch
  79         git/branch $b
  80 }
  81
  82 fn cmd_submodule {
  83         if(test -f .gitmodules)
  84                 die 'submodules unsupported'
  85 }
  86
  87 fn cmd_rev-parse{
  88         while(~ $1 -*){
  89                 switch($1){
  90                 case --git-dir
  91                         echo $gitroot/.git
  92                         shift
  93                 case --abbrev-ref
  94                         echo `{dcmd git9/branch | sed s@^heads/@@g}
  95                         shift
  96                 case *
  97                         dprint option $opt
  98                 }
  99                 shift
 100         }
 101 }
 102
 103 fn cmd_show-ref{
 104         if(~ $1 -*)
 105                 die unknown command pull $*
 106         filter=cat
 107         if(~ $#* 0)
 108                 filter=cat
 109         if not
 110                 filter='-e(^|/)'^$*^'$'
 111         for(b in `$nl{cd $gitroot/.git/refs/ && walk -f})
 112                 echo `{cat $gitroot/.git/refs/$b} refs/$b
 113 }
 114
 115 fn cmd_remote{
 116         if({! ~ $#* 3 && ! ~ $#* 4} || ! ~ $1 add)
 117                 die unimplemented remote cmd $*
 118         name=$2
 119         url=$3
 120         if(~ $3 '--')
 121                 url=$4
 122         >>$gitroot/.git/config{
 123                 echo '[remote "'$name'"]'
 124                 echo '  url='$url
 125         }
 126 }
 127
 128 fn cmd_version{
 129         echo git version 2.2.0
 130 }
 131
 132
 133 fn usage{
 134         echo 'git <command> <args>' >[1=2]
 135         exit usage
 136 }
 137
 138 fn die {
 139         >[1=2] echo git $_cmdname: $*
 140         exit $_cmdname: $*
 141 }
 142
 143 _cmdname=$1
 144 if(~ $0 *compat){
 145         ramfs -m /n/gitcompat
 146         touch /n/gitcompat/git
 147         bind $0 /n/gitcompat/git
 148         path=( /n/gitcompat $path )
 149         exec rc
 150 }
 151
 152 if(! test -f '/env/fn#cmd_'$1)
 153         die git $1: commmand not implemented
 154 if(! ~ $1 init && ! ~ $1 clone)
 155         gitroot=`{git/conf -r} || die repo
 156
 157 cmd_$1 $*(2-)
 158 exit ''