git-remote-testgit.shon commit log -L: improve error message on malformed argument (0269f96)
   1#!/bin/sh
   2# Copyright (c) 2012 Felipe Contreras
   3
   4# The first argument can be a url when the fetch/push command was a url
   5# instead of a configured remote. In this case, use a generic alias.
   6if test "$1" = "testgit::$2"; then
   7        alias=_
   8else
   9        alias=$1
  10fi
  11url=$2
  12
  13dir="$GIT_DIR/testgit/$alias"
  14prefix="refs/testgit/$alias"
  15
  16default_refspec="refs/heads/*:${prefix}/heads/*"
  17
  18refspec="${GIT_REMOTE_TESTGIT_REFSPEC-$default_refspec}"
  19
  20test -z "$refspec" && prefix="refs"
  21
  22GIT_DIR="$url/.git"
  23export GIT_DIR
  24
  25force=
  26
  27mkdir -p "$dir"
  28
  29if test -z "$GIT_REMOTE_TESTGIT_NO_MARKS"
  30then
  31        gitmarks="$dir/git.marks"
  32        testgitmarks="$dir/testgit.marks"
  33        test -e "$gitmarks" || >"$gitmarks"
  34        test -e "$testgitmarks" || >"$testgitmarks"
  35fi
  36
  37while read line
  38do
  39        case $line in
  40        capabilities)
  41                echo 'import'
  42                echo 'export'
  43                test -n "$refspec" && echo "refspec $refspec"
  44                if test -n "$gitmarks"
  45                then
  46                        echo "*import-marks $gitmarks"
  47                        echo "*export-marks $gitmarks"
  48                fi
  49                test -n "$GIT_REMOTE_TESTGIT_SIGNED_TAGS" && echo "signed-tags"
  50                test -n "$GIT_REMOTE_TESTGIT_NO_PRIVATE_UPDATE" && echo "no-private-update"
  51                echo 'option'
  52                echo
  53                ;;
  54        list)
  55                git for-each-ref --format='? %(refname)' 'refs/heads/'
  56                head=$(git symbolic-ref HEAD)
  57                echo "@$head HEAD"
  58                echo
  59                ;;
  60        import*)
  61                # read all import lines
  62                while true
  63                do
  64                        ref="${line#* }"
  65                        refs="$refs $ref"
  66                        read line
  67                        test "${line%% *}" != "import" && break
  68                done
  69
  70                if test -n "$gitmarks"
  71                then
  72                        echo "feature import-marks=$gitmarks"
  73                        echo "feature export-marks=$gitmarks"
  74                fi
  75
  76                if test -n "$GIT_REMOTE_TESTGIT_FAILURE"
  77                then
  78                        echo "feature done"
  79                        exit 1
  80                fi
  81
  82                echo "feature done"
  83                git fast-export \
  84                        ${testgitmarks:+"--import-marks=$testgitmarks"} \
  85                        ${testgitmarks:+"--export-marks=$testgitmarks"} \
  86                        $refs |
  87                sed -e "s#refs/heads/#${prefix}/heads/#g"
  88                echo "done"
  89                ;;
  90        export)
  91                if test -n "$GIT_REMOTE_TESTGIT_FAILURE"
  92                then
  93                        # consume input so fast-export doesn't get SIGPIPE;
  94                        # git would also notice that case, but we want
  95                        # to make sure we are exercising the later
  96                        # error checks
  97                        while read line; do
  98                                test "done" = "$line" && break
  99                        done
 100                        exit 1
 101                fi
 102
 103                before=$(git for-each-ref --format=' %(refname) %(objectname) ')
 104
 105                git fast-import \
 106                        ${force:+--force} \
 107                        ${testgitmarks:+"--import-marks=$testgitmarks"} \
 108                        ${testgitmarks:+"--export-marks=$testgitmarks"} \
 109                        --quiet
 110
 111                # figure out which refs were updated
 112                git for-each-ref --format='%(refname) %(objectname)' |
 113                while read ref a
 114                do
 115                        case "$before" in
 116                        *" $ref $a "*)
 117                                continue ;;     # unchanged
 118                        esac
 119                        if test -z "$GIT_REMOTE_TESTGIT_PUSH_ERROR"
 120                        then
 121                                echo "ok $ref"
 122                        else
 123                                echo "error $ref $GIT_REMOTE_TESTGIT_PUSH_ERROR"
 124                        fi
 125                done
 126
 127                echo
 128                ;;
 129        option\ *)
 130                read cmd opt val <<-EOF
 131                $line
 132                EOF
 133                case $opt in
 134                force)
 135                        test $val = "true" && force="true" || force=
 136                        echo "ok"
 137                        ;;
 138                *)
 139                        echo "unsupported"
 140                        ;;
 141                esac
 142                ;;
 143        '')
 144                exit
 145                ;;
 146        esac
 147done