Created
November 18, 2025 08:44
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| #!/usr/bin/env bash | |
| set -euo pipefail | |
| if [[ $# -ne 1 ]] || [[ "$1" =~ ^-h|--help$ ]]; then | |
| echo "Usage: gh-co-pr <pr-number>" >&2 | |
| exit 0 | |
| fi | |
| pr="$1" | |
| remote="pr$pr" | |
| command -v gh >/dev/null 2>&1 || { echo "GitHub CLI (gh) is required" >&2; exit 1; } | |
| git rev-parse --is-inside-work-tree >/dev/null 2>&1 || { | |
| echo "Run this inside a git repository" >&2 | |
| exit 1 | |
| } | |
| gh pr checkout "$pr" >/dev/null | |
| branch=$(git branch --show-current) | |
| read owner repo head <<<"$(gh pr view "$pr" \ | |
| --json headRepositoryOwner,headRepository,headRefName \ | |
| --jq '[(.headRepositoryOwner?.login // ""), (.headRepository?.name // ""), .headRefName] | @tsv')" | |
| [[ -n "$head" ]] || { echo "Could not determine head branch for PR #$pr" >&2; exit 1; } | |
| if [[ -n "$owner" && -n "$repo" ]]; then | |
| url="[email protected]:$owner/$repo.git" | |
| else | |
| url="$(git remote get-url origin)" | |
| fi | |
| if git remote get-url "$remote" >/dev/null 2>&1; then | |
| current="$(git remote get-url "$remote")" | |
| [[ "$current" == "$url" ]] || { echo "Remote $remote points to $current" >&2; exit 1; } | |
| else | |
| git remote add "$remote" "$url" | |
| fi | |
| git config "branch.$branch.remote" "$remote" | |
| git config "branch.$branch.merge" "refs/heads/$head" | |
| echo "Checked out PR #$pr on $branch" >&2 | |
| echo "Remote: $remote -> $url" >&2 | |
| echo "Push with: git push $remote --no-follow-tags" >&2 |
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