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git/t/lib-git-p4.sh

225 lines
4.6 KiB

#
# Library code for git p4 tests
#
# p4 tests never use the top-level repo; always build/clone into
# a subdirectory called "$git"
TEST_NO_CREATE_REPO=NoThanks
# Some operations require multiple attempts to be successful. Define
# here the maximal retry timeout in seconds.
RETRY_TIMEOUT=60
# Sometimes p4d seems to hang. Terminate the p4d process automatically after
# the defined timeout in seconds.
P4D_TIMEOUT=300
. ./test-lib.sh
if ! test_have_prereq PYTHON
then
skip_all='skipping git p4 tests; python not available'
test_done
fi
( p4 -h && p4d -h ) >/dev/null 2>&1 || {
skip_all='skipping git p4 tests; no p4 or p4d'
test_done
}
# On cygwin, the NT version of Perforce can be used. When giving
# it paths, either on the command-line or in client specifications,
# be sure to use the native windows form.
#
# Older versions of perforce were available compiled natively for
# cygwin. Those do not accept native windows paths, so make sure
# not to convert for them.
native_path () {
path="$1" &&
if test_have_prereq CYGWIN && ! p4 -V | grep -q CYGWIN
then
path=$(cygpath --windows "$path")
else
path=$(test-tool path-utils real_path "$path")
fi &&
echo "$path"
}
test_set_port P4DPORT
P4PORT=localhost:$P4DPORT
P4CLIENT=client
P4USER=author
P4EDITOR=true
unset P4CHARSET
export P4PORT P4CLIENT P4USER P4EDITOR P4CHARSET
db="$TRASH_DIRECTORY/db"
cli="$TRASH_DIRECTORY/cli"
git="$TRASH_DIRECTORY/git"
pidfile="$TRASH_DIRECTORY/p4d.pid"
stop_p4d_and_watchdog () {
kill -9 $p4d_pid $watchdog_pid
}
# git p4 submit generates a temp file, which will
# not get cleaned up if the submission fails. Don't
# clutter up /tmp on the test machine.
TMPDIR="$TRASH_DIRECTORY"
export TMPDIR
registered_stop_p4d_atexit_handler=
start_p4d () {
# One of the test scripts stops and then re-starts p4d.
# Don't register and then run the same atexit handlers several times.
if test -z "$registered_stop_p4d_atexit_handler"
then
test_atexit 'stop_p4d_and_watchdog'
registered_stop_p4d_atexit_handler=AlreadyDone
fi
mkdir -p "$db" "$cli" "$git" &&
rm -f "$pidfile" &&
(
cd "$db" &&
{
p4d -q -p $P4DPORT "$@" &
echo $! >"$pidfile"
}
) &&
p4d_pid=$(cat "$pidfile")
# This gives p4d a long time to start up, as it can be
# quite slow depending on the machine. Set this environment
# variable to something smaller to fail faster in, say,
# an automated test setup. If the p4d process dies, that
# will be caught with the "kill -0" check below.
i=${P4D_START_PATIENCE:-300}
nr_tries_left=$P4D_TIMEOUT
while true
do
if test $nr_tries_left -eq 0
then
kill -9 $p4d_pid
exit 1
fi
sleep 1
nr_tries_left=$(($nr_tries_left - 1))
done 2>/dev/null 4>&2 &
watchdog_pid=$!
ready=
while test $i -gt 0
do
# succeed when p4 client commands start to work
if p4 info >/dev/null 2>&1
then
ready=true
break
fi
# fail if p4d died
kill -0 $p4d_pid 2>/dev/null || break
echo waiting for p4d to start
sleep 1
i=$(( $i - 1 ))
done
if test -z "$ready"
then
# p4d failed to start
return 1
fi
# build a p4 user so author@example.com has an entry
p4_add_user author
# build a client
client_view "//depot/... //client/..." &&
return 0
}
p4_add_user () {
name=$1 &&
fullname="${2:-Dr. $1}"
p4 user -f -i <<-EOF
User: $name
Email: $name@example.com
FullName: $fullname
EOF
}
p4_add_job () {
p4 job -f -i <<-EOF
Job: $1
Status: open
User: dummy
Description:
EOF
}
retry_until_success () {
nr_tries_left=$RETRY_TIMEOUT
until "$@" 2>/dev/null || test $nr_tries_left -eq 0
do
sleep 1
nr_tries_left=$(($nr_tries_left - 1))
done
}
stop_and_cleanup_p4d () {
kill -9 $p4d_pid $watchdog_pid
wait $p4d_pid
rm -rf "$db" "$cli" "$pidfile"
}
cleanup_git () {
retry_until_success rm -r "$git"
test_path_is_missing "$git" &&
retry_until_success mkdir "$git"
}
marshal_dump () {
what=$1 &&
line=${2:-1} &&
cat >"$TRASH_DIRECTORY/marshal-dump.py" <<-EOF &&
import marshal
import sys
instream = getattr(sys.stdin, 'buffer', sys.stdin)
for i in range($line):
d = marshal.load(instream)
print(d[b'$what'].decode('utf-8'))
EOF
"$PYTHON_PATH" "$TRASH_DIRECTORY/marshal-dump.py"
}
#
# Construct a client with this list of View lines
#
client_view () {
(
cat <<-EOF &&
Client: $P4CLIENT
Description: $P4CLIENT
Root: $cli
AltRoots: $(native_path "$cli")
LineEnd: unix
View:
EOF
printf "\t%s\n" "$@"
) | p4 client -i
}
is_cli_file_writeable () {
# cygwin version of p4 does not set read-only attr,
# will be marked 444 but -w is true
file="$1" &&
if test_have_prereq CYGWIN && p4 -V | grep -q CYGWIN
then
stat=$(stat --format=%a "$file") &&
test $stat = 644
else
test -w "$file"
fi
}