-
Notifications
You must be signed in to change notification settings - Fork 231
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
7 changed files
with
522 additions
and
11 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,33 @@ | ||
import subprocess | ||
import pathlib | ||
import requests | ||
|
||
class CrossRepoPR: | ||
org: str | ||
repo: str | ||
pr_num: str | ||
|
||
def __init__(self, org: str, repo: str, pr_num: str) -> None: | ||
self.org = org | ||
self.repo = repo | ||
self.pr_num = pr_num | ||
|
||
def cross_repo_prs() -> list[CrossRepoPR]: | ||
return [ | ||
CrossRepoPR("swiftlang", "swift-syntax", "2859") | ||
] | ||
|
||
def run(cmd: list[str], cwd: str|None = None): | ||
print(" ".join(cmd)) | ||
subprocess.check_call(cmd, cwd=cwd) | ||
|
||
def main(): | ||
for cross_repo_pr in cross_repo_prs(): | ||
run(["git", "clone", f"https://github.com/{cross_repo_pr.org}/{cross_repo_pr.repo}.git", f"{cross_repo_pr.repo}"], cwd="..") | ||
run(["git", "fetch", "origin", f"pull/{cross_repo_pr.pr_num}/merge:pr_merge"], cwd="../swift-syntax") | ||
run(["git", "checkout", "main"], cwd="../swift-syntax") | ||
run(["git", "reset", "--hard", "pr_merge"], cwd="../swift-syntax") | ||
run(["swift", "package", "config", "set-mirror", "--package-url", "https://github.com/swiftlang/swift-syntax.git", "--mirror-url", str(pathlib.Path("../swift-syntax").resolve())]) | ||
|
||
if __name__ == "__main__": | ||
main() |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,217 @@ | ||
import Foundation | ||
|
||
#if canImport(FoundationNetworking) | ||
import FoundationNetworking | ||
#endif | ||
|
||
#if canImport(WinSDK) | ||
import WinSDK | ||
#endif | ||
|
||
struct GenericError: Error, CustomStringConvertible { | ||
var description: String | ||
|
||
init(_ description: String) { | ||
self.description = description | ||
} | ||
} | ||
|
||
/// Escape the given command to be printed for log output. | ||
func escapeCommand(_ executable: URL, _ arguments: [String]) -> String { | ||
return ([executable.path] + arguments).map { | ||
if $0.contains(" ") { | ||
return "'\($0)'" | ||
} | ||
return $0 | ||
}.joined(separator: " ") | ||
} | ||
|
||
/// Launch a subprocess with the given command and wait for it to finish | ||
func run(_ executable: URL, _ arguments: String..., workingDirectory: URL? = nil) throws { | ||
print("Running \(escapeCommand(executable, arguments))") | ||
let process = Process() | ||
process.executableURL = executable | ||
process.arguments = arguments | ||
if let workingDirectory { | ||
process.currentDirectoryURL = workingDirectory | ||
} | ||
|
||
try process.run() | ||
process.waitUntilExit() | ||
guard process.terminationStatus == 0 else { | ||
throw GenericError( | ||
"\(escapeCommand(executable, arguments)) failed with non-zero exit code: \(process.terminationStatus)" | ||
) | ||
} | ||
} | ||
|
||
/// Find the executable with the given name | ||
public func lookup(executable: String) throws -> URL { | ||
// Compute search paths from PATH variable. | ||
#if os(Windows) | ||
let pathVariable = "Path" | ||
let pathSeparator: Character = ";" | ||
#else | ||
let pathVariable = "PATH" | ||
let pathSeparator: Character = ":" | ||
#endif | ||
guard let pathString = ProcessInfo.processInfo.environment[pathVariable] else { | ||
throw GenericError("Failed to read path environment variable") | ||
} | ||
for searchPath in pathString.split(separator: pathSeparator) { | ||
let candidateUrl = URL(fileURLWithPath: String(searchPath)).appendingPathComponent(executable) | ||
if FileManager.default.isExecutableFile(atPath: candidateUrl.path) { | ||
return candidateUrl | ||
} | ||
} | ||
throw GenericError("Did not find \(executable)") | ||
} | ||
|
||
/// The JSON fields of the `https://api.github.com/repos/\(repository)/pulls/\(prNumber)` endpoint that we care about. | ||
struct PRInfo: Codable { | ||
struct Base: Codable { | ||
/// The name of the PR's base branch. | ||
let ref: String | ||
} | ||
/// The base branch of the PR | ||
let base: Base | ||
|
||
/// The PR's description. | ||
let body: String? | ||
} | ||
|
||
/// - Parameters: | ||
/// - repository: The repository's name, eg. `swiftlang/swift-syntax` | ||
func getPRInfo(repository: String, prNumber: String) throws -> PRInfo { | ||
guard let prInfoUrl = URL(string: "https://api.github.com/repos/\(repository)/pulls/\(prNumber)") else { | ||
throw GenericError("Failed to form URL for GitHub API") | ||
} | ||
|
||
do { | ||
let data = try Data(contentsOf: prInfoUrl) | ||
return try JSONDecoder().decode(PRInfo.self, from: data) | ||
} catch { | ||
throw GenericError("Failed to load PR info from \(prInfoUrl): \(error)") | ||
} | ||
} | ||
|
||
/// Information about a PR that should be tested with this PR. | ||
struct CrossRepoPR { | ||
/// The owner of the repository, eg. `swiftlang` | ||
let repositoryOwner: String | ||
|
||
/// The name of the repository, eg. `swift-syntax` | ||
let repositoryName: String | ||
|
||
/// The PR number that's referenced. | ||
let prNumber: String | ||
} | ||
|
||
/// Retrieve all PRs that are referenced from the PR with the given number in `repository`. | ||
/// `repository` is the owner and repo name joined by `/`, eg. `swiftlang/swift-syntax`. | ||
func getCrossRepoPrs(repository: String, prNumber: String) throws -> [CrossRepoPR] { | ||
var result: [CrossRepoPR] = [] | ||
let prInfo = try getPRInfo(repository: repository, prNumber: prNumber) | ||
for line in prInfo.body?.split(separator: "\n") ?? [] { | ||
guard line.lowercased().starts(with: "linked pr:") else { | ||
continue | ||
} | ||
// We can't use Swift's Regex here because this script needs to run on Windows with Swift 5.9, which doesn't support | ||
// Swift Regex. | ||
var remainder = line[...] | ||
guard let ownerRange = remainder.firstRange(of: "swiftlang/") ?? remainder.firstRange(of: "apple/") else { | ||
continue | ||
} | ||
let repositoryOwner = remainder[ownerRange].dropLast() | ||
remainder = remainder[ownerRange.upperBound...] | ||
let repositoryName = remainder.prefix { $0.isLetter || $0.isNumber || $0 == "-" || $0 == "_" } | ||
if repositoryName.isEmpty { | ||
continue | ||
} | ||
remainder = remainder.dropFirst(repositoryName.count) | ||
if remainder.starts(with: "/pull/") { | ||
remainder = remainder.dropFirst(6) | ||
} else if remainder.starts(with: "#") { | ||
remainder = remainder.dropFirst() | ||
} else { | ||
continue | ||
} | ||
let pullRequestNum = remainder.prefix { $0.isNumber } | ||
if pullRequestNum.isEmpty { | ||
continue | ||
} | ||
result.append( | ||
CrossRepoPR( | ||
repositoryOwner: String(repositoryOwner), | ||
repositoryName: String(repositoryName), | ||
prNumber: String(pullRequestNum) | ||
) | ||
) | ||
} | ||
return result | ||
} | ||
|
||
func main() throws { | ||
guard ProcessInfo.processInfo.arguments.count >= 3 else { | ||
throw GenericError( | ||
""" | ||
Expected two arguments: | ||
- Repository name, eg. `swiftlang/swift-syntax | ||
- PR number | ||
""" | ||
) | ||
} | ||
let repository = ProcessInfo.processInfo.arguments[1] | ||
let prNumber = ProcessInfo.processInfo.arguments[2] | ||
|
||
let crossRepoPrs = try getCrossRepoPrs(repository: repository, prNumber: prNumber) | ||
if !crossRepoPrs.isEmpty { | ||
print("Detected cross-repo PRs") | ||
for crossRepoPr in crossRepoPrs { | ||
print(" - \(crossRepoPr.repositoryOwner)/\(crossRepoPr.repositoryName)#\(crossRepoPr.prNumber)") | ||
} | ||
} | ||
|
||
for crossRepoPr in crossRepoPrs { | ||
let git = try lookup(executable: "git") | ||
let swift = try lookup(executable: "swift") | ||
let baseBranch = try getPRInfo( | ||
repository: "\(crossRepoPr.repositoryOwner)/\(crossRepoPr.repositoryName)", | ||
prNumber: crossRepoPr.prNumber | ||
).base.ref | ||
|
||
let workspaceDir = URL(fileURLWithPath: "..") | ||
let repoDir = workspaceDir.appendingPathComponent(crossRepoPr.repositoryName) | ||
try run( | ||
git, | ||
"clone", | ||
"https://github.com/\(crossRepoPr.repositoryOwner)/\(crossRepoPr.repositoryName).git", | ||
"\(crossRepoPr.repositoryName)", | ||
workingDirectory: workspaceDir | ||
) | ||
try run(git, "fetch", "origin", "pull/\(crossRepoPr.prNumber)/merge:pr_merge", workingDirectory: repoDir) | ||
try run(git, "checkout", baseBranch, workingDirectory: repoDir) | ||
try run(git, "reset", "--hard", "pr_merge", workingDirectory: repoDir) | ||
try run( | ||
swift, | ||
"package", | ||
"config", | ||
"set-mirror", | ||
"--package-url", | ||
"https://github.com/\(crossRepoPr.repositoryOwner)/\(crossRepoPr.repositoryName).git", | ||
"--mirror-url", | ||
repoDir.resolvingSymlinksInPath().path | ||
) | ||
} | ||
} | ||
|
||
do { | ||
try main() | ||
} catch { | ||
print(error) | ||
#if os(Windows) | ||
_Exit(1) | ||
#else | ||
exit(1) | ||
#endif | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,8 @@ | ||
.DS_Store | ||
/.build | ||
/Packages | ||
xcuserdata/ | ||
DerivedData/ | ||
.swiftpm/configuration/registries.json | ||
.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata | ||
.netrc |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,10 @@ | ||
// swift-tools-version: 5.8 | ||
import PackageDescription | ||
|
||
let package = Package( | ||
name: "cross-pr-checkout", | ||
platforms: [.macOS(.v13)], | ||
targets: [ | ||
.executableTarget(name: "cross-pr-checkout") | ||
] | ||
) |
Oops, something went wrong.