From dc8b3cd87b5c2dff55981900e31ed059ee9c688c Mon Sep 17 00:00:00 2001 From: Linus Nordberg Date: Wed, 25 May 2022 08:38:42 +0200 Subject: Revert "wip" This reverts commit c003c2fc189748f082c09a2b4a729eb1c5732668. Should not have been pushed to main but rather branch linus/roles. Sorry about that. --- integration/test.sh | 371 +++++++++++++++++++++------------------------------- 1 file changed, 147 insertions(+), 224 deletions(-) (limited to 'integration/test.sh') diff --git a/integration/test.sh b/integration/test.sh index 2016c48..25de7a6 100755 --- a/integration/test.sh +++ b/integration/test.sh @@ -12,32 +12,17 @@ # set -eu -shopt -s nullglob trap cleanup EXIT -declare -A nodes -declare -A nodes - -pri=conf/primary.config -sec=conf/secondary.config - function main() { - check_go_deps - - node_setup $pri - node_setup $sec - - nodes[$pri:ssrv_extra_args]="-secondary-url=${nodes[$sec:ssrv_endpoint]}" - nodes[$pri:ssrv_extra_args]+=" -secondary-pubkey=${nodes[$sec:ssrv_pub]}" - node_start $pri - - nodes[$sec:ssrv_extra_args]="-primary-url=${nodes[$pri:ssrv_endpoint]}" - nodes[$sec:ssrv_extra_args]+=" -primary-pubkey=${nodes[$pri:ssrv_pub]}" - node_start $sec - - client_setup conf/client.config + log_dir=$(mktemp -d) + check_go_deps + trillian_setup conf/trillian.config + sigsum_setup conf/sigsum.config + client_setup conf/client.config check_setup + run_tests } @@ -70,100 +55,65 @@ function client_setup() { die "must have a properly configured domain hint" } -function node_setup() { - local i=$1; shift - nodes[$i:log_dir]=$(mktemp -d) - trillian_setup $i - sigsum_setup $i -} - -function node_start() { - local i=$1; shift - trillian_start $i - sigsum_start $i -} - function trillian_setup() { - local i=$1; shift - info "setting up Trillian ($i)" - - source $i - nodes[$i:tsrv_rpc]=$tsrv_rpc - nodes[$i:tsrv_http]=$tsrv_http - nodes[$i:tseq_rpc]=$tseq_rpc - nodes[$i:tseq_http]=$tseq_http -} - -function trillian_start() { - local i=$1; shift - info "starting up Trillian ($i)" + info "setting up Trillian" + source $1 trillian_log_server\ - -rpc_endpoint=${nodes[$i:tsrv_rpc]}\ - -http_endpoint=${nodes[$i:tsrv_http]}\ - -log_dir=${nodes[$i:log_dir]} 2>/dev/null & - nodes[$i:tsrv_pid]=$! - info "started Trillian log server (pid ${nodes[$i:tsrv_pid]})" + -rpc_endpoint=$tsrv_rpc\ + -http_endpoint=$tsrv_http\ + -log_dir=$log_dir 2>/dev/null & + tsrv_pid=$! + info "started Trillian log server (pid $tsrv_pid)" trillian_log_signer\ -force_master\ - -rpc_endpoint=${nodes[$i:tseq_rpc]}\ - -http_endpoint=${nodes[$i:tseq_http]}\ - -log_dir=${nodes[$i:log_dir]} 2>/dev/null & - nodes[$i:tseq_pid]=$! - info "started Trillian log sequencer (pid ${nodes[$i:tseq_pid]})" + -rpc_endpoint=$tseq_rpc\ + -http_endpoint=$tseq_http\ + -log_dir=$log_dir 2>/dev/null & + + tseq_pid=$! + info "started Trillian log sequencer (pid $tseq_pid)" - nodes[$i:ssrv_tree_id]=$(createtree --admin_server ${nodes[$i:tsrv_rpc]} 2>/dev/null) + ssrv_tree_id=$(createtree --admin_server $tsrv_rpc 2>/dev/null) [[ $? -eq 0 ]] || die "must provision a new Merkle tree" - info "provisioned Merkle tree with id ${nodes[$i:ssrv_tree_id]}" + info "provisioned Merkle tree with id $ssrv_tree_id" } function sigsum_setup() { - local i=$1; shift - info "setting up Sigsum server ($i)" - source $i - - nodes[$i:ssrv_role]=$ssrv_role - nodes[$i:ssrv_endpoint]=$ssrv_endpoint - nodes[$i:ssrv_prefix]=$ssrv_prefix - nodes[$i:ssrv_shard_start]=$ssrv_shard_start - nodes[$i:ssrv_interval]=$ssrv_interval - nodes[$i:log_url]=${nodes[$i:ssrv_endpoint]}/${nodes[$i:ssrv_prefix]}/sigsum/v0 - - nodes[$i:wit1_priv]=$(sigsum-debug key private) - nodes[$i:wit1_pub]=$(echo ${nodes[$i:wit1_priv]} | sigsum-debug key public) - nodes[$i:wit1_key_hash]=$(echo ${nodes[$i:wit1_pub]} | sigsum-debug key hash) - nodes[$i:wit2_priv]=$(sigsum-debug key private) - nodes[$i:wit2_pub]=$(echo ${nodes[$i:wit2_priv]} | sigsum-debug key public) - nodes[$i:wit2_key_hash]=$(echo ${nodes[$i:wit2_pub]} | sigsum-debug key hash) - nodes[$i:ssrv_witnesses]=${nodes[$i:wit1_pub]},${nodes[$i:wit2_pub]} - - nodes[$i:ssrv_priv]=$(sigsum-debug key private) - nodes[$i:ssrv_pub]=$(echo ${nodes[$i:ssrv_priv]} | sigsum-debug key public) - nodes[$i:ssrv_key_hash]=$(echo ${nodes[$i:ssrv_pub]} | sigsum-debug key hash) -} + info "setting up Sigsum server" + source $1 + + wit1_priv=$(sigsum-debug key private) + wit1_pub=$(echo $wit1_priv | sigsum-debug key public) + wit1_key_hash=$(echo $wit1_pub | sigsum-debug key hash) + + wit2_priv=$(sigsum-debug key private) + wit2_pub=$(echo $wit2_priv | sigsum-debug key public) + wit2_key_hash=$(echo $wit2_pub | sigsum-debug key hash) -function sigsum_start() { - local i=$1; shift - info "starting Sigsum log server ($i)" + ssrv_witnesses=$wit1_pub,$wit2_pub + ssrv_priv=$(sigsum-debug key private) + ssrv_pub=$(echo $ssrv_priv | sigsum-debug key public) + ssrv_key_hash=$(echo $ssrv_pub | sigsum-debug key hash) sigsum_log_go\ - -prefix=${nodes[$i:ssrv_prefix]}\ - -trillian_id=${nodes[$i:ssrv_tree_id]}\ - -shard_interval_start=${nodes[$i:ssrv_shard_start]}\ - -key=<(echo ${nodes[$i:ssrv_priv]})\ - -witnesses=${nodes[$i:ssrv_witnesses]}\ - -interval=${nodes[$i:ssrv_interval]}\ - -http_endpoint=${nodes[$i:ssrv_endpoint]}\ + -prefix=$ssrv_prefix\ + -trillian_id=$ssrv_tree_id\ + -shard_interval_start=$ssrv_shard_start\ + -key=<(echo $ssrv_priv)\ + -witnesses=$ssrv_witnesses\ + -interval=$ssrv_interval\ + -http_endpoint=$ssrv_endpoint\ -log-color="true"\ -log-level="debug"\ - -role=${nodes[$i:ssrv_role]} ${nodes[$i:ssrv_extra_args]} \ - -log-file=${nodes[$i:log_dir]}/sigsum-log.log 2>/dev/null & - nodes[$i:ssrv_pid]=$! + -log-file=$log_dir/sigsum-log.log 2>/dev/null & + ssrv_pid=$! - info "started Sigsum log server on ${nodes[$i:ssrv_endpoint]} (pid ${nodes[$i:ssrv_pid]})" + log_url=$ssrv_endpoint/$ssrv_prefix/sigsum/v0 + info "started Sigsum log server on $ssrv_endpoint (pid $ssrv_pid)" } function cleanup() { @@ -172,58 +122,49 @@ function cleanup() { info "cleaning up, please wait..." sleep 1 - for i in $pri $sec; do - boundp $i:ssrv_pid && kill -2 ${nodes[$i:ssrv_pid]} - boundp $i:tseq_pid && kill -2 ${nodes[$i:tseq_pid]} - while :; do - sleep 1 + kill -2 $ssrv_pid + kill -2 $tseq_pid + while :; do + sleep 1 - boundp $i:tseq_pid && ps -p ${nodes[$i:tseq_pid]} >/dev/null && continue - boundp $i:ssrv_pid && ps -p ${nodes[$i:$ssrv_pid]} >/dev/null && continue + ps -p $tseq_pid >/dev/null && continue + ps -p $ssrv_pid >/dev/null && continue - break - done - done - info "stopped Trillian log sequencer(s)" - info "stopped Sigsum log server(s)" - - for i in $pri $sec; do - if ! deletetree -admin_server=$tsrv_rpc -log_id=${nodes[$i:ssrv_tree_id]}; then - warn "failed deleting provisioned Merkle tree ${nodes[$i:ssrv_tree_id]}" - else - info "deleted provisioned Merkle tree ${nodes[$i:ssrv_tree_id]}" - fi + break done - for i in $pri $sec; do - boundp $i:tsrv_pid || continue - kill -2 ${nodes[$i:tsrv_pid]} - while :; do - sleep 1 + info "stopped Trillian log sequencer" + info "stopped Sigsum log server" + + if ! deletetree -admin_server=$tsrv_rpc -log_id=$ssrv_tree_id; then + warn "failed deleting provisioned Merkle tree" + else + info "deleteted provisioned Merkle tree" + fi - ps -p ${nodes[$i:tsrv_pid]} >/dev/null && continue + kill -2 $tsrv_pid + while :; do + sleep 1 - break - done + ps -p $tsrv_pid >/dev/null && continue + + break done - info "stopped Trillian log server(s)" - for i in $pri $sec; do - printf "\n Press any key to delete logs in ${nodes[$i:log_dir]}" - read dummy + info "stopped Trillian log server" - rm -rf ${nodes[$i:log_dir]} - done + printf "\n Press any key to delete logs in $log_dir" + read dummy + + rm -rf $log_dir } function check_setup() { - for i in $pri $sec; do - sleep 3 + sleep 3 - ps -p ${nodes[$i:tseq_pid]} >/dev/null || die "must have Trillian log sequencer ($i)" - ps -p ${nodes[$i:tsrv_pid]} >/dev/null || die "must have Trillian log server ($i)" - ps -p ${nodes[$i:ssrv_pid]} >/dev/null || die "must have Sigsum log server ($i)" - done + ps -p $tseq_pid >/dev/null || die "must have Trillian log sequencer" + ps -p $tsrv_pid >/dev/null || die "must have Trillian log server" + ps -p $ssrv_pid >/dev/null || die "must have Sigsum log server" } function run_tests() { @@ -235,18 +176,18 @@ function run_tests() { done info "waiting for $num_leaf leaves to be merged..." - sleep ${nodes[$pri:ssrv_interval]::-1} + sleep ${ssrv_interval::-1} test_signed_tree_head $num_leaf for i in $(seq 1 $(( $num_leaf - 1 ))); do test_consistency_proof $i $num_leaf done - test_cosignature ${nodes[$pri:wit1_key_hash]} ${nodes[$pri:wit1_priv]} - test_cosignature ${nodes[$pri:wit2_key_hash]} ${nodes[$pri:wit2_priv]} + test_cosignature $wit1_key_hash $wit1_priv + test_cosignature $wit2_key_hash $wit2_priv info "waiting for cosignature to be available..." - sleep ${nodes[$pri:ssrv_interval]::-1} + sleep ${ssrv_interval::-1} test_cosigned_tree_head $num_leaf for i in $(seq 1 $num_leaf); do @@ -261,33 +202,32 @@ function run_tests() { } function test_signed_tree_head() { - local log_dir=${nodes[$pri:log_dir]} desc="GET tree-head-to-cosign (tree size $1)" - curl -s -w "%{http_code}" ${nodes[$pri:log_url]}/get-tree-head-to-cosign \ + curl -s -w "%{http_code}" $log_url/get-tree-head-to-cosign \ >$log_dir/rsp - if [[ $(status_code $pri) != 200 ]]; then - fail "$desc: http status code $(status_code $pri)" + if [[ $(status_code) != 200 ]]; then + fail "$desc: http status code $(status_code)" return fi - if ! keys $pri "timestamp" "tree_size" "root_hash" "signature"; then - fail "$desc: ascii keys in response $(debug_response $pri)" + if ! keys "timestamp" "tree_size" "root_hash" "signature"; then + fail "$desc: ascii keys in response $(debug_response)" return fi now=$(date +%s) - if [[ $(value_of $pri "timestamp") -gt $now ]]; then - fail "$desc: timestamp $(value_of $pri "timestamp") is too large" + if [[ $(value_of "timestamp") -gt $now ]]; then + fail "$desc: timestamp $(value_of "timestamp") is too large" return fi - if [[ $(value_of $pri "timestamp") -lt $(( $now - ${nodes[$pri:ssrv_interval]::-1} )) ]]; then - fail "$desc: timestamp $(value_of $pri "timestamp") is too small" + if [[ $(value_of "timestamp") -lt $(( $now - ${ssrv_interval::-1} )) ]]; then + fail "$desc: timestamp $(value_of "timestamp") is too small" return fi - if [[ $(value_of $pri "tree_size") != $1 ]]; then - fail "$desc: tree size $(value_of $pri "tree_size")" + if [[ $(value_of "tree_size") != $1 ]]; then + fail "$desc: tree size $(value_of "tree_size")" return fi @@ -296,39 +236,38 @@ function test_signed_tree_head() { } function test_cosigned_tree_head() { - local log_dir=${nodes[$pri:log_dir]} desc="GET get-tree-head-cosigned (all witnesses)" - curl -s -w "%{http_code}" ${nodes[$pri:log_url]}/get-tree-head-cosigned \ + curl -s -w "%{http_code}" $log_url/get-tree-head-cosigned \ >$log_dir/rsp - if [[ $(status_code $pri) != 200 ]]; then - fail "$desc: http status code $(status_code $pri)" + if [[ $(status_code) != 200 ]]; then + fail "$desc: http status code $(status_code)" return fi - if ! keys $pri "timestamp" "tree_size" "root_hash" "signature" "cosignature" "key_hash"; then - fail "$desc: ascii keys in response $(debug_response $pri)" + if ! keys "timestamp" "tree_size" "root_hash" "signature" "cosignature" "key_hash"; then + fail "$desc: ascii keys in response $(debug_response)" return fi now=$(date +%s) - if [[ $(value_of $pri "timestamp") -gt $now ]]; then - fail "$desc: timestamp $(value_of $pri "timestamp") is too large" + if [[ $(value_of "timestamp") -gt $now ]]; then + fail "$desc: timestamp $(value_of "timestamp") is too large" return fi - if [[ $(value_of $pri "timestamp") -lt $(( $now - ${nodes[$pri:ssrv_interval]::-1} * 2 )) ]]; then - fail "$desc: timestamp $(value_of $pri "timestamp") is too small" + if [[ $(value_of "timestamp") -lt $(( $now - ${ssrv_interval::-1} * 2 )) ]]; then + fail "$desc: timestamp $(value_of "timestamp") is too small" return fi - if [[ $(value_of $pri "tree_size") != $1 ]]; then - fail "$desc: tree size $(value_of $pri "tree_size")" + if [[ $(value_of "tree_size") != $1 ]]; then + fail "$desc: tree size $(value_of "tree_size")" return fi - for got in $(value_of $pri key_hash); do + for got in $(value_of key_hash); do found="" - for want in ${nodes[$pri:wit1_key_hash]} ${nodes[$pri:wit2_key_hash]}; do + for want in $wit1_key_hash $wit2_key_hash; do if [[ $got == $want ]]; then found=true fi @@ -346,24 +285,23 @@ function test_cosigned_tree_head() { } function test_inclusion_proof() { - local log_dir=${nodes[$pri:log_dir]} desc="GET get-inclusion-proof (tree_size $1, data \"$2\", index $3)" - signature=$(echo $2 | sigsum-debug leaf sign -k $cli_priv -h ${nodes[$pri:ssrv_shard_start]}) - leaf_hash=$(echo $2 | sigsum-debug leaf hash -k $cli_key_hash -s $signature -h ${nodes[$pri:ssrv_shard_start]}) - curl -s -w "%{http_code}" ${nodes[$pri:log_url]}/get-inclusion-proof/$1/$leaf_hash >$log_dir/rsp + signature=$(echo $2 | sigsum-debug leaf sign -k $cli_priv -h $ssrv_shard_start) + leaf_hash=$(echo $2 | sigsum-debug leaf hash -k $cli_key_hash -s $signature -h $ssrv_shard_start) + curl -s -w "%{http_code}" $log_url/get-inclusion-proof/$1/$leaf_hash >$log_dir/rsp - if [[ $(status_code $pri) != 200 ]]; then - fail "$desc: http status code $(status_code $pri)" + if [[ $(status_code) != 200 ]]; then + fail "$desc: http status code $(status_code)" return fi - if ! keys $pri "leaf_index" "inclusion_path"; then - fail "$desc: ascii keys in response $(debug_response $pri)" + if ! keys "leaf_index" "inclusion_path"; then + fail "$desc: ascii keys in response $(debug_response)" return fi - if [[ $(value_of $pri leaf_index) != $3 ]]; then - fail "$desc: wrong leaf index $(value_of $pri leaf_index)" + if [[ $(value_of leaf_index) != $3 ]]; then + fail "$desc: wrong leaf index $(value_of leaf_index)" return fi @@ -372,17 +310,16 @@ function test_inclusion_proof() { } function test_consistency_proof() { - local log_dir=${nodes[$pri:log_dir]} desc="GET get-consistency-proof (old_size $1, new_size $2)" - curl -s -w "%{http_code}" ${nodes[$pri:log_url]}/get-consistency-proof/$1/$2 >$log_dir/rsp + curl -s -w "%{http_code}" $log_url/get-consistency-proof/$1/$2 >$log_dir/rsp - if [[ $(status_code $pri) != 200 ]]; then - fail "$desc: http status code $(status_code $pri)" + if [[ $(status_code) != 200 ]]; then + fail "$desc: http status code $(status_code)" return fi - if ! keys $pri "consistency_path"; then - fail "$desc: ascii keys in response $(debug_response $pri)" + if ! keys "consistency_path"; then + fail "$desc: ascii keys in response $(debug_response)" return fi @@ -391,34 +328,33 @@ function test_consistency_proof() { } function test_get_leaf() { - local log_dir=${nodes[$pri:log_dir]} desc="GET get-leaves (data \"$1\", index $2)" - curl -s -w "%{http_code}" ${nodes[$pri:log_url]}/get-leaves/$2/$2 >$log_dir/rsp + curl -s -w "%{http_code}" $log_url/get-leaves/$2/$2 >$log_dir/rsp - if [[ $(status_code $pri) != 200 ]]; then - fail "$desc: http status code $(status_code $pri)" + if [[ $(status_code) != 200 ]]; then + fail "$desc: http status code $(status_code)" return fi - if ! keys $pri "shard_hint" "checksum" "signature" "key_hash"; then - fail "$desc: ascii keys in response $(debug_response $pri)" + if ! keys "shard_hint" "checksum" "signature" "key_hash"; then + fail "$desc: ascii keys in response $(debug_response)" return fi - if [[ $(value_of $pri shard_hint) != ${nodes[$pri:ssrv_shard_start]} ]]; then - fail "$desc: wrong shard hint $(value_of $pri shard_hint)" + if [[ $(value_of shard_hint) != $ssrv_shard_start ]]; then + fail "$desc: wrong shard hint $(value_of shard_hint)" return fi message=$(openssl dgst -binary <(echo $1) | base16) checksum=$(openssl dgst -binary <(echo $message | base16 -d) | base16) - if [[ $(value_of $pri checksum) != $checksum ]]; then - fail "$desc: wrong checksum $(value_of $pri checksum)" + if [[ $(value_of checksum) != $checksum ]]; then + fail "$desc: wrong checksum $(value_of checksum)" return fi - if [[ $(value_of $pri key_hash) != $cli_key_hash ]]; then - fail "$desc: wrong key hash $(value_of $pri key_hash)" + if [[ $(value_of key_hash) != $cli_key_hash ]]; then + fail "$desc: wrong key hash $(value_of key_hash)" fi # TODO: check leaf signature @@ -426,25 +362,24 @@ function test_get_leaf() { } function test_add_leaf() { - local log_dir=${nodes[$pri:log_dir]} desc="POST add-leaf (data \"$1\")" - echo "shard_hint=${nodes[$pri:ssrv_shard_start]}" > $log_dir/req + echo "shard_hint=$ssrv_shard_start" > $log_dir/req echo "message=$(openssl dgst -binary <(echo $1) | base16)" >> $log_dir/req echo "signature=$(echo $1 | - sigsum-debug leaf sign -k $cli_priv -h ${nodes[$pri:ssrv_shard_start]})" >> $log_dir/req + sigsum-debug leaf sign -k $cli_priv -h $ssrv_shard_start)" >> $log_dir/req echo "public_key=$cli_pub" >> $log_dir/req echo "domain_hint=$cli_domain_hint" >> $log_dir/req cat $log_dir/req | - curl -s -w "%{http_code}" --data-binary @- ${nodes[$pri:log_url]}/add-leaf \ + curl -s -w "%{http_code}" --data-binary @- $log_url/add-leaf \ >$log_dir/rsp - if [[ $(status_code $pri) != 200 ]]; then - fail "$desc: http status code $(status_code $pri)" + if [[ $(status_code) != 200 ]]; then + fail "$desc: http status code $(status_code)" return fi - if ! keys $pri; then - fail "$desc: ascii keys in response $(debug_response $pri)" + if ! keys; then + fail "$desc: ascii keys in response $(debug_response)" return fi @@ -452,24 +387,21 @@ function test_add_leaf() { } function test_cosignature() { - local log_dir=${nodes[$pri:log_dir]} - #local log_url=${nodes[$pri:log_url]} - #local ssrv_key_hash=${nodes[$pri:ssrv_key_hash]} desc="POST add-cosignature (witness $1)" echo "key_hash=$1" > $log_dir/req - echo "cosignature=$(curl -s ${nodes[$pri:log_url]}/get-tree-head-to-cosign | - sigsum-debug head sign -k $2 -h ${nodes[$pri:ssrv_key_hash]})" >> $log_dir/req + echo "cosignature=$(curl -s $log_url/get-tree-head-to-cosign | + sigsum-debug head sign -k $2 -h $ssrv_key_hash)" >> $log_dir/req cat $log_dir/req | - curl -s -w "%{http_code}" --data-binary @- ${nodes[$pri:log_url]}/add-cosignature \ + curl -s -w "%{http_code}" --data-binary @- $log_url/add-cosignature \ >$log_dir/rsp - if [[ $(status_code $pri) != 200 ]]; then - fail "$desc: http status code $(status_code $pri)" + if [[ $(status_code) != 200 ]]; then + fail "$desc: http status code $(status_code)" return fi - if ! keys $pri; then - fail "$desc: ascii keys in response $(debug_response $pri)" + if ! keys; then + fail "$desc: ascii keys in response $(debug_response)" return fi @@ -477,18 +409,15 @@ function test_cosignature() { } function debug_response() { - local i=$1; shift echo "" - cat ${nodes[$i:log_dir]}/rsp + cat $log_dir/rsp } function status_code() { - local i=$1; shift - tail -n1 ${nodes[$i:log_dir]}/rsp + tail -n1 $log_dir/rsp } function value_of() { - local i=$1; shift while read line; do key=$(echo $line | cut -d"=" -f1) if [[ $key != $1 ]]; then @@ -497,17 +426,16 @@ function value_of() { value=$(echo $line | cut -d"=" -f2) echo $value - done < <(head --lines=-1 ${nodes[$i:log_dir]}/rsp) + done < <(head --lines=-1 $log_dir/rsp) } function keys() { - local i=$1; shift declare -A map map[thedummystring]=to_avoid_error_on_size_zero while read line; do key=$(echo $line | cut -d"=" -f1) map[$key]=ok - done < <(head --lines=-1 ${nodes[$i:log_dir]}/rsp) + done < <(head --lines=-1 $log_dir/rsp) if [[ $# != $(( ${#map[@]} - 1 )) ]]; then return 1 @@ -520,11 +448,6 @@ function keys() { return 0 } -function boundp { - [[ ${!nodes[@]} == *$1* ]] && return 1 - return 0 -} - function die() { echo -e "\e[37m$(date +"%y-%m-%d %H:%M:%S %Z")\e[0m [\e[31mFATA\e[0m] $@" >&2 exit 1 -- cgit v1.2.3