t/lib-git-daemon.sh

   1 # Shell library to run git-daemon in tests.  Ends the test early if
   2 # GIT_TEST_GIT_DAEMON is not set.
   3 #
   4 # Usage:
   5 #
   6 #       . ./test-lib.sh
   7 #       . "$TEST_DIRECTORY"/lib-git-daemon.sh
   8 #       start_git_daemon
   9 #
  10 #       test_expect_success '...' '
  11 #               ...
  12 #       '
  13 #
  14 #       test_expect_success ...
  15 #
  16 #       stop_git_daemon
  17 #       test_done
  18
  19 test_tristate GIT_TEST_GIT_DAEMON
  20 if test "$GIT_TEST_GIT_DAEMON" = false
  21 then
  22         skip_all="git-daemon testing disabled (unset GIT_TEST_GIT_DAEMON to enable)"
  23         test_done
  24 fi
  25
  26 if ! test_have_prereq PIPE
  27 then
  28         test_skip_or_die $GIT_TEST_GIT_DAEMON "file system does not support FIFOs"
  29 fi
  30
  31 LIB_GIT_DAEMON_PORT=${LIB_GIT_DAEMON_PORT-${this_test#t}}
  32
  33 GIT_DAEMON_PID=
  34 GIT_DAEMON_DOCUMENT_ROOT_PATH="$PWD"/repo
  35 GIT_DAEMON_URL=git://127.0.0.1:$LIB_GIT_DAEMON_PORT
  36
  37 start_git_daemon() {
  38         if test -n "$GIT_DAEMON_PID"
  39         then
  40                 error "start_git_daemon already called"
  41         fi
  42
  43         mkdir -p "$GIT_DAEMON_DOCUMENT_ROOT_PATH"
  44
  45         trap 'code=$?; stop_git_daemon; (exit $code); die' EXIT
  46
  47         say >&3 "Starting git daemon ..."
  48         mkfifo git_daemon_output
  49         git daemon --listen=127.0.0.1 --port="$LIB_GIT_DAEMON_PORT" \
  50                 --reuseaddr --verbose \
  51                 --base-path="$GIT_DAEMON_DOCUMENT_ROOT_PATH" \
  52                 "$@" "$GIT_DAEMON_DOCUMENT_ROOT_PATH" \
  53                 >&3 2>git_daemon_output &
  54         GIT_DAEMON_PID=$!
  55         {
  56                 read line <&7
  57                 echo >&4 "$line"
  58                 cat <&7 >&4 &
  59         } 7<git_daemon_output &&
  60
  61         # Check expected output
  62         if test x"$(expr "$line" : "\[[0-9]*\] \(.*\)")" != x"Ready to rumble"
  63         then
  64                 kill "$GIT_DAEMON_PID"
  65                 wait "$GIT_DAEMON_PID"
  66                 trap 'die' EXIT
  67                 test_skip_or_die $GIT_TEST_GIT_DAEMON \
  68                         "git daemon failed to start"
  69         fi
  70 }
  71
  72 stop_git_daemon() {
  73         if test -z "$GIT_DAEMON_PID"
  74         then
  75                 return
  76         fi
  77
  78         trap 'die' EXIT
  79
  80         # kill git-daemon child of git
  81         say >&3 "Stopping git daemon ..."
  82         kill "$GIT_DAEMON_PID"
  83         wait "$GIT_DAEMON_PID" >&3 2>&4
  84         ret=$?
  85         # expect exit with status 143 = 128+15 for signal TERM=15
  86         if test $ret -ne 143
  87         then
  88                 error "git daemon exited with status: $ret"
  89         fi
  90         GIT_DAEMON_PID=
  91         rm -f git_daemon_output
  92 }