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="$url/.git"
  17
  18 mkdir -p "$dir"
  19
  20 if test -z "$GIT_REMOTE_TESTGIT_NO_MARKS"
  21 then
  22         gitmarks="$dir/git.marks"
  23         testgitmarks="$dir/testgit.marks"
  24         test -e "$gitmarks" || >"$gitmarks"
  25         test -e "$testgitmarks" || >"$testgitmarks"
  26 fi
  27
  28 while read line
  29 do
  30         case $line in
  31         capabilities)
  32                 echo 'import'
  33                 echo 'export'
  34                 test -n "$refspec" && echo "refspec $refspec"
  35                 if test -n "$gitmarks"
  36                 then
  37                         echo "*import-marks $gitmarks"
  38                         echo "*export-marks $gitmarks"
  39                 fi
  40                 test -n "$GIT_REMOTE_TESTGIT_SIGNED_TAGS" && echo "signed-tags"
  41                 echo
  42                 ;;
  43         list)
  44                 git for-each-ref --format='? %(refname)' 'refs/heads/'
  45                 head=$(git symbolic-ref HEAD)
  46                 echo "@$head HEAD"
  47                 echo
  48                 ;;
  49         import*)
  50                 # read all import lines
  51                 while true
  52                 do
  53                         ref="${line#* }"
  54                         refs="$refs $ref"
  55                         read line
  56                         test "${line%% *}" != "import" && break
  57                 done
  58
  59                 if test -n "$gitmarks"
  60                 then
  61                         echo "feature import-marks=$gitmarks"
  62                         echo "feature export-marks=$gitmarks"
  63                 fi
  64
  65                 if test -n "$GIT_REMOTE_TESTGIT_FAILURE"
  66                 then
  67                         echo "feature done"
  68                         exit 1
  69                 fi
  70
  71                 echo "feature done"
  72                 git fast-export \
  73                         ${testgitmarks:+"--import-marks=$testgitmarks"} \
  74                         ${testgitmarks:+"--export-marks=$testgitmarks"} \
  75                         $refs |
  76                 sed -e "s#refs/heads/#${prefix}/heads/#g"
  77                 echo "done"
  78                 ;;
  79         export)
  80                 if test -n "$GIT_REMOTE_TESTGIT_FAILURE"
  81                 then
  82                         # consume input so fast-export doesn't get SIGPIPE;
  83                         # git would also notice that case, but we want
  84                         # to make sure we are exercising the later
  85                         # error checks
  86                         while read line; do
  87                                 test "done" = "$line" && break
  88                         done
  89                         exit 1
  90                 fi
  91
  92                 before=$(git for-each-ref --format=' %(refname) %(objectname) ')
  93
  94                 git fast-import \
  95                         ${testgitmarks:+"--import-marks=$testgitmarks"} \
  96                         ${testgitmarks:+"--export-marks=$testgitmarks"} \
  97                         --quiet
  98
  99                 # figure out which refs were updated
 100                 git for-each-ref --format='%(refname) %(objectname)' |
 101                 while read ref a
 102                 do
 103                         case "$before" in
 104                         *" $ref $a "*)
 105                                 continue ;;     # unchanged
 106                         esac
 107                         if test -z "$GIT_REMOTE_TESTGIT_PUSH_ERROR"
 108                         then
 109                                 echo "ok $ref"
 110                         else
 111                                 echo "error $ref $GIT_REMOTE_TESTGIT_PUSH_ERROR"
 112                         fi
 113                 done
 114
 115                 echo
 116                 ;;
 117         '')
 118                 exit
 119                 ;;
 120         esac
 121 done