mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-22 23:13:19 +00:00
63 lines
1.6 KiB
Bash
Executable File
63 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# See ./README.md for docs
|
|
|
|
set -euo pipefail
|
|
|
|
log() {
|
|
echo "$@" >&2
|
|
}
|
|
|
|
if (( $# < 2 )); then
|
|
log "Usage: $0 GITHUB_REPO PR_NUMBER"
|
|
exit 99
|
|
fi
|
|
repo=$1
|
|
prNumber=$2
|
|
|
|
# Retry the API query this many times
|
|
retryCount=5
|
|
# Start with 5 seconds, but double every retry
|
|
retryInterval=5
|
|
|
|
while true; do
|
|
log "Checking whether the pull request can be merged"
|
|
prInfo=$(gh api \
|
|
-H "Accept: application/vnd.github+json" \
|
|
-H "X-GitHub-Api-Version: 2022-11-28" \
|
|
"/repos/$repo/pulls/$prNumber")
|
|
|
|
# Non-open PRs won't have their mergeability computed no matter what
|
|
state=$(jq -r .state <<< "$prInfo")
|
|
if [[ "$state" != open ]]; then
|
|
log "PR is not open anymore"
|
|
exit 1
|
|
fi
|
|
|
|
mergeable=$(jq -r .mergeable <<< "$prInfo")
|
|
if [[ "$mergeable" == "null" ]]; then
|
|
if (( retryCount == 0 )); then
|
|
log "Not retrying anymore. It's likely that GitHub is having internal issues: check https://www.githubstatus.com/"
|
|
exit 3
|
|
else
|
|
(( retryCount -= 1 )) || true
|
|
|
|
# null indicates that GitHub is still computing whether it's mergeable
|
|
# Wait a couple seconds before trying again
|
|
log "GitHub is still computing whether this PR can be merged, waiting $retryInterval seconds before trying again ($retryCount retries left)"
|
|
sleep "$retryInterval"
|
|
|
|
(( retryInterval *= 2 )) || true
|
|
fi
|
|
else
|
|
break
|
|
fi
|
|
done
|
|
|
|
if [[ "$mergeable" == "true" ]]; then
|
|
log "The PR can be merged"
|
|
jq -r .merge_commit_sha <<< "$prInfo"
|
|
else
|
|
log "The PR has a merge conflict"
|
|
exit 2
|
|
fi
|