t / lib-git-p4.shon commit http.c: Spell the null pointer as NULL (70900ed)
   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"
   7TEST_NO_CREATE_REPO=NoThanks
   8
   9. ./test-lib.sh
  10
  11if ! test_have_prereq PYTHON
  12then
  13        skip_all='skipping git p4 tests; python not available'
  14        test_done
  15fi
  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.
  28native_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.
  44testid=${this_test#t}
  45git_p4_test_start=9800
  46P4DPORT=$((10669 + ($testid - $git_p4_test_start)))
  47
  48P4PORT=localhost:$P4DPORT
  49P4CLIENT=client
  50P4EDITOR=:
  51export P4PORT P4CLIENT P4EDITOR
  52
  53db="$TRASH_DIRECTORY/db"
  54cli="$TRASH_DIRECTORY/cli"
  55git="$TRASH_DIRECTORY/git"
  56pidfile="$TRASH_DIRECTORY/p4d.pid"
  57
  58start_p4d() {
  59        mkdir -p "$db" "$cli" "$git" &&
  60        rm -f "$pidfile" &&
  61        (
  62                cd "$db" &&
  63                {
  64                        p4d -q -p $P4DPORT &
  65                        echo $! >"$pidfile"
  66                }
  67        ) &&
  68
  69        # This gives p4d a long time to start up, as it can be
  70        # quite slow depending on the machine.  Set this environment
  71        # variable to something smaller to fail faster in, say,
  72        # an automated test setup.  If the p4d process dies, that
  73        # will be caught with the "kill -0" check below.
  74        i=${P4D_START_PATIENCE:-300}
  75        pid=$(cat "$pidfile")
  76        ready=
  77        while test $i -gt 0
  78        do
  79                # succeed when p4 client commands start to work
  80                if p4 info >/dev/null 2>&1
  81                then
  82                        ready=true
  83                        break
  84                fi
  85                # fail if p4d died
  86                kill -0 $pid 2>/dev/null || break
  87                echo waiting for p4d to start
  88                sleep 1
  89                i=$(( $i - 1 ))
  90        done
  91
  92        if test -z "$ready"
  93        then
  94                # p4d failed to start
  95                return 1
  96        fi
  97
  98        # build a client
  99        client_view "//depot/... //client/..." &&
 100
 101        return 0
 102}
 103
 104kill_p4d() {
 105        pid=$(cat "$pidfile")
 106        # it had better exist for the first kill
 107        kill $pid &&
 108        for i in 1 2 3 4 5 ; do
 109                kill $pid >/dev/null 2>&1 || break
 110                sleep 1
 111        done &&
 112        # complain if it would not die
 113        test_must_fail kill $pid >/dev/null 2>&1 &&
 114        rm -rf "$db" "$cli" "$pidfile"
 115}
 116
 117cleanup_git() {
 118        rm -rf "$git" &&
 119        mkdir "$git"
 120}
 121
 122marshal_dump() {
 123        what=$1 &&
 124        line=${2:-1} &&
 125        cat >"$TRASH_DIRECTORY/marshal-dump.py" <<-EOF &&
 126        import marshal
 127        import sys
 128        for i in range($line):
 129            d = marshal.load(sys.stdin)
 130        print d['$what']
 131        EOF
 132        "$PYTHON_PATH" "$TRASH_DIRECTORY/marshal-dump.py"
 133}
 134
 135#
 136# Construct a client with this list of View lines
 137#
 138client_view() {
 139        (
 140                cat <<-EOF &&
 141                Client: $P4CLIENT
 142                Description: $P4CLIENT
 143                Root: $cli
 144                AltRoots: $(native_path "$cli")
 145                LineEnd: unix
 146                View:
 147                EOF
 148                printf "\t%s\n" "$@"
 149        ) | p4 client -i
 150}
 151
 152is_cli_file_writeable() {
 153        # cygwin version of p4 does not set read-only attr,
 154        # will be marked 444 but -w is true
 155        file="$1" &&
 156        if test_have_prereq CYGWIN && p4 -V | grep -q CYGWIN
 157        then
 158                stat=$(stat --format=%a "$file") &&
 159                test $stat = 644
 160        else
 161                test -w "$file"
 162        fi
 163}