t/lib-git-p4.sh

   1 #
   2 # Library code for git p4 tests
   3 #
   4
   5 # p4 tests never use the top-level repo; always build/clone into
   6 # a subdirectory called "$git"
   7 TEST_NO_CREATE_REPO=NoThanks
   8
   9 . ./test-lib.sh
  10
  11 if ! test_have_prereq PYTHON
  12 then
  13         skip_all='skipping git p4 tests; python not available'
  14         test_done
  15 fi
  16 ( p4 -h && p4d -h ) >/dev/null 2>&1 || {
  17         skip_all='skipping git p4 tests; no p4 or p4d'
  18         test_done
  19 }
  20
  21 # On cygwin, the NT version of Perforce can be used.  When giving
  22 # it paths, either on the command-line or in client specifications,
  23 # be sure to use the native windows form.
  24 #
  25 # Older versions of perforce were available compiled natively for
  26 # cygwin.  Those do not accept native windows paths, so make sure
  27 # not to convert for them.
  28 native_path() {
  29         path="$1" &&
  30         if test_have_prereq CYGWIN && ! p4 -V | grep -q CYGWIN
  31         then
  32                 path=$(cygpath --windows "$path")
  33         else
  34                 path=$(test-path-utils real_path "$path")
  35         fi &&
  36         echo "$path"
  37 }
  38
  39 # Try to pick a unique port: guess a large number, then hope
  40 # no more than one of each test is running.
  41 #
  42 # This does not handle the case where somebody else is running the
  43 # same tests and has chosen the same ports.
  44 testid=${this_test#t}
  45 git_p4_test_start=9800
  46 P4DPORT=$((10669 + ($testid - $git_p4_test_start)))
  47
  48 P4PORT=localhost:$P4DPORT
  49 P4CLIENT=client
  50 P4EDITOR=:
  51 unset P4CHARSET
  52 export P4PORT P4CLIENT P4EDITOR P4CHARSET
  53
  54 db="$TRASH_DIRECTORY/db"
  55 cli="$TRASH_DIRECTORY/cli"
  56 git="$TRASH_DIRECTORY/git"
  57 pidfile="$TRASH_DIRECTORY/p4d.pid"
  58
  59 start_p4d() {
  60         mkdir -p "$db" "$cli" "$git" &&
  61         rm -f "$pidfile" &&
  62         (
  63                 cd "$db" &&
  64                 {
  65                         p4d -q -p $P4DPORT &
  66                         echo $! >"$pidfile"
  67                 }
  68         ) &&
  69
  70         # This gives p4d a long time to start up, as it can be
  71         # quite slow depending on the machine.  Set this environment
  72         # variable to something smaller to fail faster in, say,
  73         # an automated test setup.  If the p4d process dies, that
  74         # will be caught with the "kill -0" check below.
  75         i=${P4D_START_PATIENCE:-300}
  76         pid=$(cat "$pidfile")
  77         ready=
  78         while test $i -gt 0
  79         do
  80                 # succeed when p4 client commands start to work
  81                 if p4 info >/dev/null 2>&1
  82                 then
  83                         ready=true
  84                         break
  85                 fi
  86                 # fail if p4d died
  87                 kill -0 $pid 2>/dev/null || break
  88                 echo waiting for p4d to start
  89                 sleep 1
  90                 i=$(( $i - 1 ))
  91         done
  92
  93         if test -z "$ready"
  94         then
  95                 # p4d failed to start
  96                 return 1
  97         fi
  98
  99         # build a client
 100         client_view "//depot/... //client/..." &&
 101
 102         return 0
 103 }
 104
 105 kill_p4d() {
 106         pid=$(cat "$pidfile")
 107         # it had better exist for the first kill
 108         kill $pid &&
 109         for i in 1 2 3 4 5 ; do
 110                 kill $pid >/dev/null 2>&1 || break
 111                 sleep 1
 112         done &&
 113         # complain if it would not die
 114         test_must_fail kill $pid >/dev/null 2>&1 &&
 115         rm -rf "$db" "$cli" "$pidfile"
 116 }
 117
 118 cleanup_git() {
 119         rm -rf "$git" &&
 120         mkdir "$git"
 121 }
 122
 123 marshal_dump() {
 124         what=$1 &&
 125         line=${2:-1} &&
 126         cat >"$TRASH_DIRECTORY/marshal-dump.py" <<-EOF &&
 127         import marshal
 128         import sys
 129         for i in range($line):
 130             d = marshal.load(sys.stdin)
 131         print d['$what']
 132         EOF
 133         "$PYTHON_PATH" "$TRASH_DIRECTORY/marshal-dump.py"
 134 }
 135
 136 #
 137 # Construct a client with this list of View lines
 138 #
 139 client_view() {
 140         (
 141                 cat <<-EOF &&
 142                 Client: $P4CLIENT
 143                 Description: $P4CLIENT
 144                 Root: $cli
 145                 AltRoots: $(native_path "$cli")
 146                 LineEnd: unix
 147                 View:
 148                 EOF
 149                 printf "\t%s\n" "$@"
 150         ) | p4 client -i
 151 }
 152
 153 is_cli_file_writeable() {
 154         # cygwin version of p4 does not set read-only attr,
 155         # will be marked 444 but -w is true
 156         file="$1" &&
 157         if test_have_prereq CYGWIN && p4 -V | grep -q CYGWIN
 158         then
 159                 stat=$(stat --format=%a "$file") &&
 160                 test $stat = 644
 161         else
 162                 test -w "$file"
 163         fi
 164 }