Andrew's git - gitweb.git/blob - t/interop/interop-lib.sh

   1# Interoperability testing framework. Each script should source
   2# this after setting default $VERSION_A and $VERSION_B variables.
   3
   4. ../../GIT-BUILD-OPTIONS
   5INTEROP_ROOT=$(pwd)
   6BUILD_ROOT=$INTEROP_ROOT/build
   7
   8build_version () {
   9        if test -z "$1"
  10        then
  11                echo >&2 "error: test script did not set default versions"
  12                return 1
  13        fi
  14
  15        if test "$1" = "."
  16        then
  17                git rev-parse --show-toplevel
  18                return 0
  19        fi
  20
  21        sha1=$(git rev-parse "$1^{tree}") || return 1
  22        dir=$BUILD_ROOT/$sha1
  23
  24        if test -e "$dir/.built"
  25        then
  26                echo "$dir"
  27                return 0
  28        fi
  29
  30        echo >&2 "==> Building $1..."
  31
  32        mkdir -p "$dir" || return 1
  33
  34        (cd "$(git rev-parse --show-cdup)" && git archive --format=tar "$sha1") |
  35        (cd "$dir" && tar x) ||
  36        return 1
  37
  38        for config in config.mak config.mak.autogen config.status
  39        do
  40                if test -e "$INTEROP_ROOT/../../$config"
  41                then
  42                        cp "$INTEROP_ROOT/../../$config" "$dir/" || return 1
  43                fi
  44        done
  45
  46        (
  47                cd "$dir" &&
  48                make $GIT_INTEROP_MAKE_OPTS >&2 &&
  49                touch .built
  50        ) || return 1
  51
  52        echo "$dir"
  53}
  54
  55# Old versions of git don't have bin-wrappers, so let's give a rough emulation.
  56wrap_git () {
  57        write_script "$1" <<-EOF
  58        GIT_EXEC_PATH="$2"
  59        export GIT_EXEC_PATH
  60        PATH="$2:\$PATH"
  61        export GIT_EXEC_PATH
  62        exec git "\$@"
  63        EOF
  64}
  65
  66generate_wrappers () {
  67        mkdir -p .bin &&
  68        wrap_git .bin/git.a "$DIR_A" &&
  69        wrap_git .bin/git.b "$DIR_B" &&
  70        write_script .bin/git <<-\EOF &&
  71        echo >&2 fatal: test tried to run generic git
  72        exit 1
  73        EOF
  74        PATH=$(pwd)/.bin:$PATH
  75}
  76
  77VERSION_A=${GIT_TEST_VERSION_A:-$VERSION_A}
  78VERSION_B=${GIT_TEST_VERSION_B:-$VERSION_B}
  79
  80if ! DIR_A=$(build_version "$VERSION_A") ||
  81   ! DIR_B=$(build_version "$VERSION_B")
  82then
  83        echo >&2 "fatal: unable to build git versions"
  84        exit 1
  85fi
  86
  87TEST_DIRECTORY=$INTEROP_ROOT/..
  88TEST_OUTPUT_DIRECTORY=$INTEROP_ROOT
  89TEST_NO_CREATE_REPO=t
  90. "$TEST_DIRECTORY"/test-lib.sh
  91
  92generate_wrappers || die "unable to set up interop test environment"