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test_e2e.sh
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test_e2e.sh
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#!/bin/bash
#
# Copyright 2016 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -o errexit
set -o nounset
set -o pipefail
function caller() {
local stack_skip=${1:-0}
stack_skip=$((stack_skip + 1))
if [[ ${#FUNCNAME[@]} -gt ${stack_skip} ]]; then
local i
for ((i=1 ; i <= ${#FUNCNAME[@]} - stack_skip ; i++))
do
local frame_no=$((i - 1 + stack_skip))
local source_lineno=${BASH_LINENO[$((frame_no - 1))]}
local funcname=${FUNCNAME[${frame_no}]}
if [[ "$funcname" =~ 'e2e::' ]]; then
echo "${source_lineno}"
fi
done
fi
}
function fail() {
echo "FAIL: line $(caller):" "$@" >&3
return 42
}
function pass() {
echo "PASS"
}
# $1: a file/dir name
# $2: max seconds to wait
function wait_for_file_exists() {
local file=$1
local ticks=$(($2*10)) # 100ms per tick
while (( $ticks > 0 )); do
if [[ -f "$file" ]]; then
break
fi
sleep 0.1
ticks=$(($ticks-1))
done
}
function assert_link_exists() {
if ! [[ -e "$1" ]]; then
fail "$1 does not exist"
fi
if ! [[ -L "$1" ]]; then
fail "$1 is not a symlink"
fi
}
function assert_link_basename_eq() {
if [[ $(basename $(readlink "$1")) == "$2" ]]; then
return
fi
fail "$1 does not point to $2: $(readlink $1)"
}
function assert_file_exists() {
if ! [[ -f "$1" ]]; then
fail "$1 does not exist"
fi
}
function assert_file_absent() {
if [[ -f "$1" ]]; then
fail "$1 exists but should not"
fi
}
function assert_file_eq() {
if [[ $(cat "$1") == "$2" ]]; then
return
fi
fail "$1 does not contain '$2': $(cat $1)"
}
function assert_file_contains() {
if grep -q "$2" "$1"; then
return
fi
fail "$1 does not contain '$2': $(cat $1)"
}
function assert_file_lines_eq() {
N=$(cat "$1" | wc -l)
if (( "$N" != "$2" )); then
fail "$1 is not $2 lines: $N"
fi
}
function assert_file_lines_ge() {
N=$(cat "$1" | wc -l)
if (( "$N" < "$2" )); then
fail "$1 is not at least $2 lines: $N"
fi
}
function assert_metric_eq() {
local val
val="$(curl --silent "http://localhost:$HTTP_PORT/metrics" \
| grep "^$1 " \
| awk '{print $NF}')"
if [[ "${val}" == "$2" ]]; then
return
fi
fail "metric $1 was expected to be '$2': ${val}"
}
function assert_fail() {
(
set +o errexit
"$@"
RET=$?
if [[ "$RET" != 0 ]]; then
return
fi
fail "expected non-zero exit code, got $RET"
)
}
# Helper: run a docker container.
function docker_run() {
RM="--rm"
if [[ "${CLEANUP:-}" == 0 ]]; then
RM=""
fi
docker run \
-d \
${RM} \
--label git-sync-e2e="$RUNID" \
"$@"
sleep 2 # wait for it to come up
}
# Helper: get the IP of a docker container.
function docker_ip() {
if [[ -z "$1" ]]; then
echo "usage: $0 <id>"
return 1
fi
docker inspect "$1" | jq -r .[0].NetworkSettings.IPAddress
}
function docker_kill() {
if [[ -z "$1" ]]; then
echo "usage: $0 <id>"
return 1
fi
docker kill "$1" >/dev/null
}
function docker_signal() {
if [[ -z "$1" || -z "$2" ]]; then
echo "usage: $0 <id> <signal>"
return 1
fi
docker kill "--signal=$2" "$1" >/dev/null
}
# E2E_TAG is the tag used for docker builds. This is needed because docker
# tags are system-global, but one might have multiple repos checked out.
E2E_TAG=$(git rev-parse --show-toplevel | sed 's|/|_|g')
# Setting IMAGE forces the test to use a specific image instead of the current
# tree.
IMAGE="${IMAGE:-"e2e/git-sync:${E2E_TAG}__$(go env GOOS)_$(go env GOARCH)"}"
# DIR is the directory in which all this test's state lives.
RUNID="${RANDOM}${RANDOM}"
DIR="/tmp/git-sync-e2e.$RUNID"
mkdir "$DIR"
# WORK is temp space and in reset for each testcase.
WORK="$DIR/work"
function clean_work() {
rm -rf "$WORK"
mkdir -p "$WORK"
}
# REPO and REPO2 are the source repos under test.
REPO="$DIR/repo"
REPO2="${REPO}2"
MAIN_BRANCH="e2e-branch"
function init_repo() {
arg="${1}"
rm -rf "$REPO"
mkdir -p "$REPO"
git -C "$REPO" init -q -b "$MAIN_BRANCH"
echo "$arg" > "$REPO/file"
git -C "$REPO" add file
git -C "$REPO" commit -aqm "init file"
rm -rf "$REPO2"
cp -r "$REPO" "$REPO2"
}
# ROOT is the volume (usually) used as --root.
ROOT="$DIR/root"
function clean_root() {
rm -rf "$ROOT"
mkdir -p "$ROOT"
chmod g+rwx "$ROOT"
}
# How long we wait for sync operations to happen between test steps, in seconds
MAXWAIT="${MAXWAIT:-3}"
# INTERLOCK is a file, under $ROOT, used to coordinate tests and syncs.
INTERLOCK="_sync_lock"
function wait_for_sync() {
if [[ -z "$1" ]]; then
echo "usage: $0 <max-wait-seconds>"
return 1
fi
local path="$ROOT/$INTERLOCK"
wait_for_file_exists "$path" "$1"
rm -f "$path"
}
# Init SSH for test cases.
DOT_SSH="$DIR/dot_ssh"
for i in $(seq 1 3); do
mkdir -p "$DOT_SSH/$i"
ssh-keygen -f "$DOT_SSH/$i/id_test" -P "" >/dev/null
cp -a "$DOT_SSH/$i/id_test" "$DOT_SSH/$i/id_local" # for outside-of-container use
mkdir -p "$DOT_SSH/server/$i"
cat "$DOT_SSH/$i/id_test.pub" > "$DOT_SSH/server/$i/authorized_keys"
done
# Allow files to be read inside containers running as a different UID.
# Note: this does not include the *.local forms.
chmod g+r "$DOT_SSH"/*/id_test* "$DOT_SSH"/server/*
TEST_TOOLS="_test_tools"
SLOW_GIT_FETCH="$TEST_TOOLS/git_slow_fetch.sh"
ASKPASS_GIT="$TEST_TOOLS/git_askpass.sh"
EXECHOOK_COMMAND="$TEST_TOOLS/exechook_command.sh"
EXECHOOK_COMMAND_FAIL="$TEST_TOOLS/exechook_command_fail.sh"
EXECHOOK_COMMAND_SLEEPY="$TEST_TOOLS/exechook_command_with_sleep.sh"
EXECHOOK_COMMAND_FAIL_SLEEPY="$TEST_TOOLS/exechook_command_fail_with_sleep.sh"
EXECHOOK_ENVKEY=ENVKEY
EXECHOOK_ENVVAL=envval
RUNLOG="$DIR/runlog"
rm -f "$RUNLOG"
touch "$RUNLOG"
chmod g+rw "$RUNLOG"
HTTP_PORT=9376
METRIC_GOOD_SYNC_COUNT='git_sync_count_total{status="success"}'
METRIC_FETCH_COUNT='git_fetch_count_total'
function GIT_SYNC() {
#./bin/linux_amd64/git-sync "$@"
RM="--rm"
if [[ "${CLEANUP:-}" == 0 ]]; then
RM=""
fi
docker run \
-i \
${RM} \
--label git-sync-e2e="$RUNID" \
--network="host" \
-u git-sync:$(id -g) `# rely on GID, triggering "dubious ownership"` \
-v "$ROOT":"$ROOT":rw \
-v "$REPO":"$REPO":ro \
-v "$REPO2":"$REPO2":ro \
-v "$WORK":"$WORK":ro \
-v "$(pwd)/$TEST_TOOLS":"/$TEST_TOOLS":ro \
--env "$EXECHOOK_ENVKEY=$EXECHOOK_ENVVAL" \
-v "$RUNLOG":/var/log/runs \
-v "$DOT_SSH/1/id_test":"/ssh/secret.1":ro \
-v "$DOT_SSH/2/id_test":"/ssh/secret.2":ro \
-v "$DOT_SSH/3/id_test":"/ssh/secret.3":ro \
"${IMAGE}" \
-v=6 \
--add-user \
--group-write \
--touch-file="$INTERLOCK" \
--git-config='protocol.file.allow:always' \
--http-bind=":$HTTP_PORT" \
--http-metrics \
--http-pprof \
"$@"
}
function remove_containers() {
sleep 2 # Let docker finish saving container metadata
docker ps --filter label="git-sync-e2e=$RUNID" --format="{{.ID}}" \
| while read CTR; do
docker kill "$CTR" >/dev/null
done
}
#
# After all the test functions are defined, we can iterate over them and run
# them all automatically. See the end of this file.
#
##############################################
# Test init when root doesn't exist
##############################################
function e2e::init_root_doesnt_exist() {
GIT_SYNC \
--one-time \
--repo="file://$REPO" \
--root="$ROOT/subdir" \
--link="link"
assert_link_exists "$ROOT/subdir/link"
assert_file_exists "$ROOT/subdir/link/file"
assert_file_eq "$ROOT/subdir/link/file" "$FUNCNAME"
}
##############################################
# Test init when root exists and is empty
##############################################
function e2e::init_root_exists_empty() {
GIT_SYNC \
--one-time \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME"
}
##############################################
# Test init with a weird --root flag
##############################################
function e2e::init_root_flag_is_weird() {
GIT_SYNC \
--one-time \
--repo="file://$REPO" \
--root="../../../../../$ROOT/../../../../../../$ROOT" \
--link="link"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME"
}
##############################################
# Test init with a symlink in --root
##############################################
function e2e::init_root_flag_has_symlink() {
mkdir -p "$ROOT/subdir"
ln -s "$ROOT/subdir" "$ROOT/rootlink" # symlink to test
GIT_SYNC \
--one-time \
--repo="file://$REPO" \
--root="$ROOT/rootlink" \
--link="link"
assert_link_exists "$ROOT/subdir/link"
assert_file_exists "$ROOT/subdir/link/file"
assert_file_eq "$ROOT/subdir/link/file" "$FUNCNAME"
}
##############################################
# Test init when root is under a git repo
##############################################
function e2e::init_root_is_under_another_repo() {
# Make a parent dir that is a git repo.
mkdir -p "$ROOT/subdir/root"
date > "$ROOT/subdir/root/file" # so it is not empty
git -C "$ROOT/subdir" init -q
GIT_SYNC \
--one-time \
--repo="file://$REPO" \
--root="$ROOT/subdir/root" \
--link="link"
assert_link_exists "$ROOT/subdir/root/link"
assert_file_exists "$ROOT/subdir/root/link/file"
assert_file_eq "$ROOT/subdir/root/link/file" "$FUNCNAME"
}
##############################################
# Test init when root fails sanity
##############################################
function e2e::init_root_fails_sanity() {
# Make an invalid git repo.
git -C "$ROOT" init -q
echo "ref: refs/heads/nonexist" > "$ROOT/.git/HEAD"
GIT_SYNC \
--one-time \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME"
}
##############################################
# Test non-zero exit with a bad ref
##############################################
function e2e::bad_ref_non_zero_exit() {
assert_fail \
GIT_SYNC \
--one-time \
--repo="file://$REPO" \
--ref=does-not-exist \
--root="$ROOT" \
--link="link"
assert_file_absent "$ROOT/link"
}
##############################################
# Test default ref syncing
##############################################
function e2e::sync_default_ref() {
# First sync
echo "$FUNCNAME 1" > "$REPO/file"
git -C "$REPO" commit -qam "$FUNCNAME 1"
git -C "$REPO" checkout -q -b weird-name
GIT_SYNC \
--period=100ms \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link" \
&
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME 1"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 1
assert_metric_eq "${METRIC_FETCH_COUNT}" 1
# Move forward
echo "$FUNCNAME 2" > "$REPO/file"
git -C "$REPO" commit -qam "$FUNCNAME 2"
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME 2"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 2
assert_metric_eq "${METRIC_FETCH_COUNT}" 2
# Move backward
git -C "$REPO" reset -q --hard HEAD^
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME 1"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 3
assert_metric_eq "${METRIC_FETCH_COUNT}" 3
}
##############################################
# Test HEAD syncing
##############################################
function e2e::sync_head() {
# First sync
echo "$FUNCNAME 1" > "$REPO/file"
git -C "$REPO" commit -qam "$FUNCNAME 1"
GIT_SYNC \
--period=100ms \
--repo="file://$REPO" \
--ref=HEAD \
--root="$ROOT" \
--link="link" \
&
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME 1"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 1
assert_metric_eq "${METRIC_FETCH_COUNT}" 1
# Move HEAD forward
echo "$FUNCNAME 2" > "$REPO/file"
git -C "$REPO" commit -qam "$FUNCNAME 2"
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME 2"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 2
assert_metric_eq "${METRIC_FETCH_COUNT}" 2
# Move HEAD backward
git -C "$REPO" reset -q --hard HEAD^
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME 1"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 3
assert_metric_eq "${METRIC_FETCH_COUNT}" 3
}
##############################################
# Test sync with an absolute-path link
##############################################
function e2e::sync_head_absolute_link() {
# First sync
echo "$FUNCNAME 1" > "$REPO/file"
git -C "$REPO" commit -qam "$FUNCNAME 1"
GIT_SYNC \
--period=100ms \
--repo="file://$REPO" \
--ref=HEAD \
--root="$ROOT/root" \
--link="$ROOT/other/dir/link" \
&
wait_for_sync "${MAXWAIT}"
assert_file_absent "$ROOT/root/link"
assert_link_exists "$ROOT/other/dir/link"
assert_file_exists "$ROOT/other/dir/link/file"
assert_file_eq "$ROOT/other/dir/link/file" "$FUNCNAME 1"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 1
assert_metric_eq "${METRIC_FETCH_COUNT}" 1
# Move HEAD forward
echo "$FUNCNAME 2" > "$REPO/file"
git -C "$REPO" commit -qam "$FUNCNAME 2"
wait_for_sync "${MAXWAIT}"
assert_file_absent "$ROOT/root/link"
assert_link_exists "$ROOT/other/dir/link"
assert_file_exists "$ROOT/other/dir/link/file"
assert_file_eq "$ROOT/other/dir/link/file" "$FUNCNAME 2"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 2
assert_metric_eq "${METRIC_FETCH_COUNT}" 2
# Move HEAD backward
git -C "$REPO" reset -q --hard HEAD^
wait_for_sync "${MAXWAIT}"
assert_file_absent "$ROOT/root/link"
assert_link_exists "$ROOT/other/dir/link"
assert_file_exists "$ROOT/other/dir/link/file"
assert_file_eq "$ROOT/other/dir/link/file" "$FUNCNAME 1"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 3
assert_metric_eq "${METRIC_FETCH_COUNT}" 3
}
##############################################
# Test sync with a subdir-path link
##############################################
function e2e::sync_head_subdir_link() {
# First sync
echo "$FUNCNAME 1" > "$REPO/file"
git -C "$REPO" commit -qam "$FUNCNAME 1"
GIT_SYNC \
--period=100ms \
--repo="file://$REPO" \
--ref=HEAD \
--root="$ROOT" \
--link="other/dir/link" \
&
wait_for_sync "${MAXWAIT}"
assert_file_absent "$ROOT/link"
assert_link_exists "$ROOT/other/dir/link"
assert_file_exists "$ROOT/other/dir/link/file"
assert_file_eq "$ROOT/other/dir/link/file" "$FUNCNAME 1"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 1
assert_metric_eq "${METRIC_FETCH_COUNT}" 1
# Move HEAD forward
echo "$FUNCNAME 2" > "$REPO/file"
git -C "$REPO" commit -qam "$FUNCNAME 2"
wait_for_sync "${MAXWAIT}"
assert_file_absent "$ROOT/link"
assert_link_exists "$ROOT/other/dir/link"
assert_file_exists "$ROOT/other/dir/link/file"
assert_file_eq "$ROOT/other/dir/link/file" "$FUNCNAME 2"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 2
assert_metric_eq "${METRIC_FETCH_COUNT}" 2
# Move HEAD backward
git -C "$REPO" reset -q --hard HEAD^
wait_for_sync "${MAXWAIT}"
assert_file_absent "$ROOT/link"
assert_link_exists "$ROOT/other/dir/link"
assert_file_exists "$ROOT/other/dir/link/file"
assert_file_eq "$ROOT/other/dir/link/file" "$FUNCNAME 1"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 3
assert_metric_eq "${METRIC_FETCH_COUNT}" 3
}
##############################################
# Test worktree-cleanup
##############################################
function e2e::worktree_cleanup() {
GIT_SYNC \
--period=100ms \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link" \
&
# wait for first sync
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 1
assert_metric_eq "${METRIC_FETCH_COUNT}" 1
# suspend time so we can fake corruption
docker ps --filter label="git-sync-e2e=$RUNID" --format="{{.ID}}" \
| while read CTR; do
docker pause "$CTR" >/dev/null
done
# make a second commit
echo "$FUNCNAME-ok" > "$REPO/file2"
git -C "$REPO" add file2
git -C "$REPO" commit -qam "$FUNCNAME new file"
# make a worktree to collide with git-sync
SHA=$(git -C "$REPO" rev-list -n1 HEAD)
git -C "$REPO" worktree add -q "$ROOT/.worktrees/$SHA" -b e2e --no-checkout
chmod g+w "$ROOT/.worktrees/$SHA"
# add some garbage
mkdir -p "$ROOT/.worktrees/not_a_hash/subdir"
touch "$ROOT/.worktrees/not_a_directory"
# resume time
docker ps --filter label="git-sync-e2e=$RUNID" --format="{{.ID}}" \
| while read CTR; do
docker unpause "$CTR" >/dev/null
done
wait_for_sync "${MAXWAIT}"
assert_file_exists "$ROOT/link/file2"
assert_file_eq "$ROOT/link/file2" "$FUNCNAME-ok"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 2
assert_metric_eq "${METRIC_FETCH_COUNT}" 2
assert_file_absent "$ROOT/.worktrees/$SHA"
assert_file_absent "$ROOT/.worktrees/not_a_hash"
assert_file_absent "$ROOT/.worktrees/not_a_directory"
}
##############################################
# Test worktree unexpected removal
##############################################
function e2e::worktree_unexpected_removal() {
GIT_SYNC \
--period=100ms \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link" \
&
# wait for first sync
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 1
assert_metric_eq "${METRIC_FETCH_COUNT}" 1
# suspend time so we can fake corruption
docker ps --filter label="git-sync-e2e=$RUNID" --format="{{.ID}}" \
| while read CTR; do
docker pause "$CTR" >/dev/null
done
# make a unexpected removal
WT=$(git -C "$REPO" rev-list -n1 HEAD)
rm -r "$ROOT/.worktrees/$WT"
# resume time
docker ps --filter label="git-sync-e2e=$RUNID" --format="{{.ID}}" \
| while read CTR; do
docker unpause "$CTR" >/dev/null
done
echo "$METRIC_GOOD_SYNC_COUNT"
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 2
assert_metric_eq "${METRIC_FETCH_COUNT}" 2
}
##############################################
# Test syncing when the worktree is wrong hash
##############################################
function e2e::sync_recover_wrong_worktree_hash() {
GIT_SYNC \
--period=100ms \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link" \
&
# wait for first sync
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 1
assert_metric_eq "${METRIC_FETCH_COUNT}" 1
# suspend time so we can fake corruption
docker ps --filter label="git-sync-e2e=$RUNID" --format="{{.ID}}" \
| while read CTR; do
docker pause "$CTR" >/dev/null
done
# Corrupt it
echo "unexpected" > "$ROOT/link/file"
git -C "$ROOT/link" commit -qam "corrupt it"
# resume time
docker ps --filter label="git-sync-e2e=$RUNID" --format="{{.ID}}" \
| while read CTR; do
docker unpause "$CTR" >/dev/null
done
echo "$METRIC_GOOD_SYNC_COUNT"
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME"
assert_metric_eq "${METRIC_GOOD_SYNC_COUNT}" 2
assert_metric_eq "${METRIC_FETCH_COUNT}" 2
}
##############################################
# Test stale-worktree-timeout
##############################################
function e2e::stale_worktree_timeout() {
echo "$FUNCNAME 1" > "$REPO"/file
git -C "$REPO" commit -qam "$FUNCNAME"
WT1=$(git -C "$REPO" rev-list -n1 HEAD)
GIT_SYNC \
--period=100ms \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link" \
--stale-worktree-timeout="5s" \
&
# wait for first sync
wait_for_sync "${MAXWAIT}"
assert_link_exists "$ROOT"/link
assert_file_exists "$ROOT"/link/file
assert_file_eq "$ROOT"/link/file "$FUNCNAME 1"
# wait 2 seconds and make another commit
sleep 2
echo "$FUNCNAME 2" > "$REPO"/file2
git -C "$REPO" add file2
git -C "$REPO" commit -qam "$FUNCNAME new file"
WT2=$(git -C "$REPO" rev-list -n1 HEAD)
# wait for second sync
wait_for_sync "${MAXWAIT}"
# at this point both WT1 and WT2 should exist, with
# link pointing to the new WT2
assert_link_exists "$ROOT"/link
assert_file_exists "$ROOT"/link/file
assert_file_exists "$ROOT"/link/file2
assert_file_exists "$ROOT"/.worktrees/$WT1/file
assert_file_absent "$ROOT"/.worktrees/$WT1/file2
# wait 2 seconds and make a third commit
sleep 2
echo "$FUNCNAME 3" > "$REPO"/file3
git -C "$REPO" add file3
git -C "$REPO" commit -qam "$FUNCNAME new file"
WT3=$(git -C "$REPO" rev-list -n1 HEAD)
wait_for_sync "${MAXWAIT}"
# at this point WT1, WT2, WT3 should exist, with
# link pointing to WT3
assert_link_exists "$ROOT"/link
assert_file_exists "$ROOT"/link/file
assert_file_exists "$ROOT"/link/file2
assert_file_exists "$ROOT"/link/file3
assert_file_exists "$ROOT"/.worktrees/$WT1/file
assert_file_absent "$ROOT"/.worktrees/$WT1/file2
assert_file_absent "$ROOT"/.worktrees/$WT1/file3
assert_file_exists "$ROOT"/.worktrees/$WT2/file
assert_file_exists "$ROOT"/.worktrees/$WT2/file2
assert_file_absent "$ROOT"/.worktrees/$WT2/file3
assert_file_exists "$ROOT"/.worktrees/$WT3/file
assert_file_exists "$ROOT"/.worktrees/$WT3/file2
assert_file_exists "$ROOT"/.worktrees/$WT3/file3
# wait for WT1 to go stale
sleep 4
# now WT1 should be stale and deleted,
# WT2 and WT3 should still exist
assert_link_exists "$ROOT"/link
assert_file_exists "$ROOT"/link/file
assert_file_exists "$ROOT"/link/file2
assert_file_exists "$ROOT"/link/file3
assert_file_absent "$ROOT"/.worktrees/$WT1/file
assert_file_absent "$ROOT"/.worktrees/$WT1/file2
assert_file_absent "$ROOT"/.worktrees/$WT1/file3
assert_file_exists "$ROOT"/.worktrees/$WT2/file
assert_file_exists "$ROOT"/.worktrees/$WT2/file2
assert_file_absent "$ROOT"/.worktrees/$WT2/file3
assert_file_exists "$ROOT"/.worktrees/$WT3/file
assert_file_exists "$ROOT"/.worktrees/$WT3/file2
assert_file_exists "$ROOT"/.worktrees/$WT3/file3
# wait for WT2 to go stale
sleep 2
# now both WT1 and WT2 are stale, WT3 should be the only
# worktree left
assert_link_exists "$ROOT"/link
assert_file_exists "$ROOT"/link/file
assert_file_exists "$ROOT"/link/file2
assert_file_exists "$ROOT"/link/file3
assert_file_absent "$ROOT"/.worktrees/$WT1/file
assert_file_absent "$ROOT"/.worktrees/$WT1/file2
assert_file_absent "$ROOT"/.worktrees/$WT1/file3
assert_file_absent "$ROOT"/.worktrees/$WT2/file
assert_file_absent "$ROOT"/.worktrees/$WT2/file2
assert_file_absent "$ROOT"/.worktrees/$WT2/file3
assert_file_exists "$ROOT"/.worktrees/$WT3/file
assert_file_exists "$ROOT"/.worktrees/$WT3/file2
assert_file_exists "$ROOT"/.worktrees/$WT3/file3
}
##############################################
# Test stale-worktree-timeout with restarts
##############################################
function e2e::stale_worktree_timeout_restart() {
echo "$FUNCNAME 1" > "$REPO"/file
git -C "$REPO" commit -qam "$FUNCNAME"
WT1=$(git -C "$REPO" rev-list -n1 HEAD)
GIT_SYNC \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link" \
--one-time
assert_link_exists "$ROOT"/link
assert_file_exists "$ROOT"/link/file
assert_file_eq "$ROOT"/link/file "$FUNCNAME 1"
# wait 2 seconds and make another commit
sleep 2
echo "$FUNCNAME 2" > "$REPO"/file2
git -C "$REPO" add file2
git -C "$REPO" commit -qam "$FUNCNAME new file"
WT2=$(git -C "$REPO" rev-list -n1 HEAD)
# restart git-sync
GIT_SYNC \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link" \
--stale-worktree-timeout="10s" \
--one-time
# at this point both WT1 and WT2 should exist, with
# link pointing to the new WT2
assert_link_exists "$ROOT"/link
assert_file_exists "$ROOT"/link/file
assert_file_exists "$ROOT"/link/file2
assert_file_exists "$ROOT"/.worktrees/$WT1/file
assert_file_absent "$ROOT"/.worktrees/$WT1/file2
# wait 2 seconds and make a third commit
sleep 4
echo "$FUNCNAME 3" > "$REPO"/file3
git -C "$REPO" add file3
git -C "$REPO" commit -qam "$FUNCNAME new file"
WT3=$(git -C "$REPO" rev-list -n1 HEAD)
# restart git-sync
GIT_SYNC \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link" \
--stale-worktree-timeout="10s" \
--one-time
# at this point WT1, WT2, WT3 should exist, with
# link pointing to WT3
assert_link_exists "$ROOT"/link
assert_file_exists "$ROOT"/link/file
assert_file_exists "$ROOT"/link/file2
assert_file_exists "$ROOT"/link/file3
assert_file_exists "$ROOT"/.worktrees/$WT1/file
assert_file_absent "$ROOT"/.worktrees/$WT1/file2
assert_file_absent "$ROOT"/.worktrees/$WT1/file3
assert_file_exists "$ROOT"/.worktrees/$WT2/file
assert_file_exists "$ROOT"/.worktrees/$WT2/file2
assert_file_absent "$ROOT"/.worktrees/$WT2/file3
assert_file_exists "$ROOT"/.worktrees/$WT3/file
assert_file_exists "$ROOT"/.worktrees/$WT3/file2
assert_file_exists "$ROOT"/.worktrees/$WT3/file3
# wait for WT1 to go stale and restart git-sync
sleep 8
GIT_SYNC \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link" \
--stale-worktree-timeout="10s" \
--one-time
# now WT1 should be stale and deleted,
# WT2 and WT3 should still exist
assert_link_exists "$ROOT"/link
assert_file_exists "$ROOT"/link/file
assert_file_exists "$ROOT"/link/file2
assert_file_exists "$ROOT"/link/file3
assert_file_absent "$ROOT"/.worktrees/$WT1/file
assert_file_absent "$ROOT"/.worktrees/$WT1/file2
assert_file_absent "$ROOT"/.worktrees/$WT1/file3
assert_file_exists "$ROOT"/.worktrees/$WT2/file
assert_file_exists "$ROOT"/.worktrees/$WT2/file2
assert_file_absent "$ROOT"/.worktrees/$WT2/file3
assert_file_exists "$ROOT"/.worktrees/$WT3/file
assert_file_exists "$ROOT"/.worktrees/$WT3/file2
assert_file_exists "$ROOT"/.worktrees/$WT3/file3
# wait for WT2 to go stale and restart git-sync
sleep 4
GIT_SYNC \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link" \
--stale-worktree-timeout="10s" \
--one-time
# now both WT1 and WT2 are stale, WT3 should be the only
# worktree left
assert_link_exists "$ROOT"/link
assert_file_exists "$ROOT"/link/file
assert_file_exists "$ROOT"/link/file2
assert_file_exists "$ROOT"/link/file3
assert_file_absent "$ROOT"/.worktrees/$WT1/file
assert_file_absent "$ROOT"/.worktrees/$WT1/file2
assert_file_absent "$ROOT"/.worktrees/$WT1/file3
assert_file_absent "$ROOT"/.worktrees/$WT2/file
assert_file_absent "$ROOT"/.worktrees/$WT2/file2
assert_file_absent "$ROOT"/.worktrees/$WT2/file3
assert_file_exists "$ROOT"/.worktrees/$WT3/file
assert_file_exists "$ROOT"/.worktrees/$WT3/file2
assert_file_exists "$ROOT"/.worktrees/$WT3/file3
}
##############################################
# Test v3->v4 upgrade
##############################################
function e2e::v3_v4_upgrade_in_place() {
echo "$FUNCNAME 1" > "$REPO/file"
git -C "$REPO" commit -qam "$FUNCNAME"
# sync once
GIT_SYNC \
--one-time \
--repo="file://$REPO" \
--root="$ROOT" \
--link="link"
assert_link_exists "$ROOT/link"
assert_file_exists "$ROOT/link/file"
assert_file_eq "$ROOT/link/file" "$FUNCNAME 1"
# simulate v3's worktrees
WT="$(readlink "$ROOT/link")"
SHA="$(basename "$WT")"
mv -f "$ROOT/$WT" "$ROOT/$SHA"
ln -sf "$SHA" "$ROOT/link"
# make a second commit
echo "$FUNCNAME 2" > "$REPO/file2"
git -C "$REPO" add file2
git -C "$REPO" commit -qam "$FUNCNAME new file"
# sync again