view tests/testlib/wait-on-file @ 46531:d46885119f90

test-copies: don't use empty file for "same content" cases

For main case (using filelog  or sidedata), this lead to the following hash
change.

Changesets:

- 01c2f5eabdc4ce2bdee42b5f86311955e6c8f573 → 319179230cc87769ab3a861ebffe7a534ebb3d85
- 01c2f5eabdc4 → 319179230cc8
- c72365ee036fca4fb27fd745459bfb6ea1ac6993 → 6cbc9c2b7b391dd738603173717c601648d3735f
- c72365ee036f → 6cbc9c2b7b39

File revision for `f`:

- 0dd616bc7ab1a111921d95d76f69cda5c2ac539c → cedeacc5bf5d9b9be4d7f8394d33a5349bb29c6e
- 0dd616bc7ab1 → cedeacc5bf5d
- eb806e34ef6be4c264effd5933d31004ad15a793 → ffb76cd765422a18759a335d8a81fa2bd455be6b
- eb806e34ef6b → ffb76cd76542
- 6da5a2eecb9c833f830b67a4972366d49a9a142c → 08d1ff5926fbd0285cdeb044cbe8ab651687e86a
- 6da5a2eecb9c → 08d1ff5926fb

File revision for `d`:

- 7bded9d9da1f7bf9bf7cbfb24fe1e6ccf68ec440 → ba177bbb45ea930ee48469a55d40224537bd57a9

For the "extra in changeset" case we get the following change for file `d`:

- 68d5bca9df0577b6bc2ea30ca724e13ead60da81 → b894de5c94aadcb4894ea7c358389819c27fbcce
- 68d5bca9df05 → b894de5c94aa
- b80de5d138758541c5f05265ad144ab9fa86d1db → 56647659eff080e06e45c18ea9e848836dadea71
- b80de5d13875 → 56647659eff0

#!/bin/sh
#
# wait up to TIMEOUT seconds until a WAIT_ON_FILE is created.
#
# In addition, this script can create CREATE_FILE once it is ready to wait.

if [ $# -lt 2 ] || [ $# -gt 3 ]; then
    echo $#
    echo "USAGE: $0 TIMEOUT WAIT_ON_FILE [CREATE_FILE]"
fi

timer="$1"

# Scale the timeout to match the sleep steps below, i.e. 1/0.02.
timer=$(( 50 * $timer ))
# If the test timeout have been extended, also scale the timer relative
# to the normal timing.
if [ "$HGTEST_TIMEOUT_DEFAULT" -lt "$HGTEST_TIMEOUT" ]; then
    timer=$(( ( $timer * $HGTEST_TIMEOUT) / $HGTEST_TIMEOUT_DEFAULT ))
fi

wait_on="$2"
create=""
if [ $# -eq 3 ]; then
    create="$3"
fi

if [ -n "$create" ]; then
    touch "$create"
    create=""
fi
while [ "$timer" -gt 0 ] && [ ! -f "$wait_on" ]; do
    timer=$(( $timer - 1))
    sleep 0.02
done
if [ "$timer" -le 0 ]; then
    echo "file not created after $1 seconds: $wait_on" >&2
    exit 1
fi