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