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