git-remote-testgit.shon commit git.txt: list index versions in plain English (7032054)
   1#!/bin/sh
   2# Copyright (c) 2012 Felipe Contreras
   3
   4alias=$1
   5url=$2
   6
   7dir="$GIT_DIR/testgit/$alias"
   8prefix="refs/testgit/$alias"
   9
  10default_refspec="refs/heads/*:${prefix}/heads/*"
  11
  12refspec="${GIT_REMOTE_TESTGIT_REFSPEC-$default_refspec}"
  13
  14test -z "$refspec" && prefix="refs"
  15
  16GIT_DIR="$url/.git"
  17export GIT_DIR
  18
  19force=
  20
  21mkdir -p "$dir"
  22
  23if test -z "$GIT_REMOTE_TESTGIT_NO_MARKS"
  24then
  25        gitmarks="$dir/git.marks"
  26        testgitmarks="$dir/testgit.marks"
  27        test -e "$gitmarks" || >"$gitmarks"
  28        test -e "$testgitmarks" || >"$testgitmarks"
  29fi
  30
  31while read line
  32do
  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
 141done