actions/cascading-pr
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draft implementation

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Earl Warren 2023-10-12 21:49:24 +02:00
parent ec542726c8
commit fc026df37e
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2 changed files with 135 additions and 6 deletions
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63
cascading-pr.sh
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@ -48,9 +48,64 @@ function upsert_pr() {
log_info "PR created $url"
}
function upsert_clone() {
local direction=$1 branch=$2 clone=$3
local fetch=true
if ! test -d $TMPDIR/$direction; then
git clone $clone -b $branch $TMPDIR/$direction
fetch=false
fi
(
cd $TMPDIR/$direction
if $fetch; then
git fetch $direction
fi
git config user.email cascading-pr@example.com
git config user.name cascading-pr
)
}
function push() {
local direction=$1 branch=$2 clone=$3
(
cd $TMPDIR/$direction
if git diff; then
log_info "nothing to push"
else
git add .
git commit -m 'cascading-pr update'
git push --force-push origin $branch
git rev-parse HEAD > ../$direction.sha
log_info "pushed"
fi
)
}
function wait_destination_ci() {
local sha="$1"
local repo_api=${options[destination_url]}/api/v1/repos/${options[destination_repo]}
wait_success $repo_api $sha
}
function update() {
upsert_clone origin ${options[origin_head]} ${options[origin_clone]}
upsert_clone destination ${options[destination_head]} ${options[destination_clone]}
(
cd $TMPDIR/origin
${options[update]} $TMPDIR/destination
)
push destination ${options[destination_clone]}
}
function finalize_options() {
options[origin_scheme]=$(scheme ${options[origin_url]})
options[origin_host_port]=$(host_port ${options[origin_url]})
options[origin_clone]=${options[origin_scheme]}://:${options[origin_token]}@${options[origin_host_port]}/${options[origin_repo]}
options[destination_scheme]=$(scheme ${options[destination_url]})
options[destination_host_port]=$(host_port ${options[destination_url]})
options[destination_clone]=${options[destination_scheme]}://:${options[destination_token]}@${options[destination_host_port]}/${options[destination_repo]}
options[destination_base]=${options[destination_branch]}
: ${options[prefix]:=${options[origin_repo]}}
options[destination_head]=${options[prefix]}-${options[origin_pr]}
@ -61,12 +116,8 @@ function run() {
upsert_branch
upsert_pr
repo_login ${options[origin_repo]}
# open a PR on destination
# checkout the head of the PR
# update the PR
# force-push the head
# wait on the status of the tip of the head
update
wait_destination_ci $(cat $TMPDIR/destination.sha)
}
function main() {