git-remote-testgit.sh

   1 #!/bin/sh
   2 # Copyright (c) 2012 Felipe Contreras
   3
   4 alias=$1
   5 url=$2
   6
   7 dir="$GIT_DIR/testgit/$alias"
   8 prefix="refs/testgit/$alias"
   9
  10 default_refspec="refs/heads/*:${prefix}/heads/*"
  11
  12 refspec="${GIT_REMOTE_TESTGIT_REFSPEC-$default_refspec}"
  13
  14 test -z "$refspec" && prefix="refs"
  15
  16 export GIT_DIR="$url/.git"
  17
  18 force=
  19
  20 mkdir -p "$dir"
  21
  22 if test -z "$GIT_REMOTE_TESTGIT_NO_MARKS"
  23 then
  24         gitmarks="$dir/git.marks"
  25         testgitmarks="$dir/testgit.marks"
  26         test -e "$gitmarks" || >"$gitmarks"
  27         test -e "$testgitmarks" || >"$testgitmarks"
  28 fi
  29
  30 while read line
  31 do
  32         case $line in
  33         capabilities)
  34                 echo 'import'
  35                 echo 'export'
  36                 test -n "$refspec" && echo "refspec $refspec"
  37                 if test -n "$gitmarks"
  38                 then
  39                         echo "*import-marks $gitmarks"
  40                         echo "*export-marks $gitmarks"
  41                 fi
  42                 test -n "$GIT_REMOTE_TESTGIT_SIGNED_TAGS" && echo "signed-tags"
  43                 test -n "$GIT_REMOTE_TESTGIT_NO_PRIVATE_UPDATE" && echo "no-private-update"
  44                 echo 'option'
  45                 echo
  46                 ;;
  47         list)
  48                 git for-each-ref --format='? %(refname)' 'refs/heads/'
  49                 head=$(git symbolic-ref HEAD)
  50                 echo "@$head HEAD"
  51                 echo
  52                 ;;
  53         import*)
  54                 # read all import lines
  55                 while true
  56                 do
  57                         ref="${line#* }"
  58                         refs="$refs $ref"
  59                         read line
  60                         test "${line%% *}" != "import" && break
  61                 done
  62
  63                 if test -n "$gitmarks"
  64                 then
  65                         echo "feature import-marks=$gitmarks"
  66                         echo "feature export-marks=$gitmarks"
  67                 fi
  68
  69                 if test -n "$GIT_REMOTE_TESTGIT_FAILURE"
  70                 then
  71                         echo "feature done"
  72                         exit 1
  73                 fi
  74
  75                 echo "feature done"
  76                 git fast-export \
  77                         ${testgitmarks:+"--import-marks=$testgitmarks"} \
  78                         ${testgitmarks:+"--export-marks=$testgitmarks"} \
  79                         $refs |
  80                 sed -e "s#refs/heads/#${prefix}/heads/#g"
  81                 echo "done"
  82                 ;;
  83         export)
  84                 if test -n "$GIT_REMOTE_TESTGIT_FAILURE"
  85                 then
  86                         # consume input so fast-export doesn't get SIGPIPE;
  87                         # git would also notice that case, but we want
  88                         # to make sure we are exercising the later
  89                         # error checks
  90                         while read line; do
  91                                 test "done" = "$line" && break
  92                         done
  93                         exit 1
  94                 fi
  95
  96                 before=$(git for-each-ref --format=' %(refname) %(objectname) ')
  97
  98                 git fast-import \
  99                         ${force:+--force} \
 100                         ${testgitmarks:+"--import-marks=$testgitmarks"} \
 101                         ${testgitmarks:+"--export-marks=$testgitmarks"} \
 102                         --quiet
 103
 104                 # figure out which refs were updated
 105                 git for-each-ref --format='%(refname) %(objectname)' |
 106                 while read ref a
 107                 do
 108                         case "$before" in
 109                         *" $ref $a "*)
 110                                 continue ;;     # unchanged
 111                         esac
 112                         if test -z "$GIT_REMOTE_TESTGIT_PUSH_ERROR"
 113                         then
 114                                 echo "ok $ref"
 115                         else
 116                                 echo "error $ref $GIT_REMOTE_TESTGIT_PUSH_ERROR"
 117                         fi
 118                 done
 119
 120                 echo
 121                 ;;
 122         option\ *)
 123                 read cmd opt val <<-EOF
 124                 $line
 125                 EOF
 126                 case $opt in
 127                 force)
 128                         test $val = "true" && force="true" || force=
 129                         echo "ok"
 130                         ;;
 131                 *)
 132                         echo "unsupported"
 133                         ;;
 134                 esac
 135                 ;;
 136         '')
 137                 exit
 138                 ;;
 139         esac
 140 done