actions/cascading-pr
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use sha for origin instead of head

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because the head ref may be either a branch or a reference, depending
on wether the PR was merged and the branch deleted. The SHA (either
from the head or the merged commit) always represents the most up to
date state of the PR.
This commit is contained in:
Earl Warren 2023-10-24 18:19:30 +02:00
parent 68cd0972e4
commit 5c0fc66c82
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GPG key ID: 0579CB2928A78A00
1 changed files with 23 additions and 15 deletions
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38
cascading-pr.sh
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@ -100,7 +100,7 @@ EOF
}
function close_pr() {
local direction=$1
local direction=destination
if test "$(pr_state ${direction})" = "open"; then
log_info "closing $(pr_url ${direction})"
@ -147,9 +147,14 @@ function pr_number() {
pr $1 | jq --raw-output .number
}
function pr_head() {
function pr_sha() {
pr_get $1
pr $1 | jq --raw-output .head.ref
merged=$(pr $1 | jq --raw-output .merged)
if "$merged"; then
pr $1 | jq --raw-output .merge_commit_sha
else
pr $1 | jq --raw-output .head.sha
fi
}
function pr_merged() {
@ -158,19 +163,20 @@ function pr_merged() {
}
function upsert_clone() {
local direction=$1 branch=$2 clone=$3
local direction=$1 ref="$2" sha="$3" clone=$4
local fetch=true
if ! test -d $TMPDIR/$direction; then
git -c credential.helper="store --file=$TMPDIR/$direction.git-credentials" clone $clone -b $branch $TMPDIR/$direction
fetch=false
git -c credential.helper="store --file=$TMPDIR/$direction.git-credentials" clone $clone $TMPDIR/$direction
fi
(
cd $TMPDIR/$direction
git config credential.helper "store --file=$TMPDIR/$direction.git-credentials"
if $fetch; then
git fetch origin
if test "$ref"; then
git switch -c $direction origin/$ref
fi
if test "$sha"; then
git switch -c $direction $sha
fi
git config credential.helper "store --file=$TMPDIR/$direction.git-credentials"
git config user.email cascading-pr@example.com
git config user.name cascading-pr
)
@ -190,7 +196,7 @@ function push() {
cd $TMPDIR/$direction
git add .
if git commit -m 'cascading-pr update'; then
git push --force origin $branch
git push --force origin $direction:$branch
git rev-parse HEAD > ../$direction.sha
log_info "pushed"
else
@ -206,8 +212,8 @@ function wait_destination_ci() {
}
function update() {
upsert_clone origin ${options[origin_head]} ${options[origin_clone]}
upsert_clone destination ${options[destination_head]} ${options[destination_clone]}
upsert_clone origin "${options[origin_head]}" "${options[origin_sha]}" ${options[origin_clone]}
upsert_clone destination "${options[destination_head]}" "${options[destination_sha]}" ${options[destination_clone]}
(
cd $TMPDIR/origin
${options[update]} $TMPDIR/destination $TMPDIR/destination-pr.json $TMPDIR/origin-pr.json
@ -237,7 +243,8 @@ function finalize_options() {
options[origin_scheme]=$(scheme ${options[origin_url]})
options[origin_host_port]=$(host_port ${options[origin_url]})
set_clone origin
options[origin_head]=$(pr_head origin)
options[origin_head]=
options[origin_sha]=$(pr_sha origin)
options[destination_api]=${options[destination_url]}/api/v1/repos/${options[destination_repo]}
options[destination_scheme]=$(scheme ${options[destination_url]})
options[destination_host_port]=$(host_port ${options[destination_url]})
@ -245,6 +252,7 @@ function finalize_options() {
options[destination_base]=${options[destination_branch]}
: ${options[prefix]:=${options[origin_repo]}}
options[destination_head]=${options[prefix]}-${options[origin_pr]}
options[destination_sha]=
}
function run() {
@ -274,7 +282,7 @@ function run() {
else
log_info "PR is closed, close the cascade PR and remove the branch"
repo_login ${options[destination_repo]}
close_pr destination
close_pr
fi
;;
*)