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