import { Cache, Data, Duration, Effect, Exit, FileSystem, Layer, Path } from "effect"; import { GitCommandError } from "../Errors.ts";import { GitService } from "../Services/GitService.ts";import { GitCore, type GitCoreShape } from "../Services/GitCore.ts"; const STATUS_UPSTREAM_REFRESH_INTERVAL = Duration.seconds(15);const STATUS_UPSTREAM_REFRESH_TIMEOUT = Duration.seconds(5);const STATUS_UPSTREAM_REFRESH_CACHE_CAPACITY = 2_048;const DEFAULT_BASE_BRANCH_CANDIDATES = ["main", "master"] as const; class StatusUpstreamRefreshCacheKey extends Data.Class<{ cwd: string; upstreamRef: string; remoteName: string; upstreamBranch: string;}> {} interface ExecuteGitOptions { timeoutMs?: number | undefined; allowNonZeroExit?: boolean | undefined; fallbackErrorMessage?: string | undefined;} function parseBranchAb(value: string): { ahead: number; behind: number } { const match = value.match(/^\+(\d+)\s+-(\d+)$/); if (!match) return { ahead: 0, behind: 0 }; return { ahead: Number(match[1] ?? "0"), behind: Number(match[2] ?? "0"), };} function parseNumstatEntries( stdout: string,): Array<{ path: string; insertions: number; deletions: number }> { const entries: Array<{ path: string; insertions: number; deletions: number }> = []; for (const line of stdout.split(/\r?\n/g)) { if (line.trim().length === 0) continue; const [addedRaw, deletedRaw, ...pathParts] = line.split("\t"); const rawPath = pathParts.length > 1 ? (pathParts.at(-1) ?? "").trim() : pathParts.join("\t").trim(); if (rawPath.length === 0) continue; const added = Number.parseInt(addedRaw ?? "0", 10); const deleted = Number.parseInt(deletedRaw ?? "0", 10); const renameArrowIndex = rawPath.indexOf(" => "); const normalizedPath = renameArrowIndex >= 0 ? rawPath.slice(renameArrowIndex + " => ".length).trim() : rawPath; entries.push({ path: normalizedPath.length > 0 ? normalizedPath : rawPath, insertions: Number.isFinite(added) ? added : 0, deletions: Number.isFinite(deleted) ? deleted : 0, }); } return entries;} function parsePorcelainPath(line: string): string | null { if (line.startsWith("? ") || line.startsWith("! ")) { const simple = line.slice(2).trim(); return simple.length > 0 ? simple : null; } if (!(line.startsWith("1 ") || line.startsWith("2 ") || line.startsWith("u "))) { return null; } const tabIndex = line.indexOf("\t"); if (tabIndex >= 0) { const fromTab = line.slice(tabIndex + 1); const [filePath] = fromTab.split("\t"); return filePath?.trim().length ? filePath.trim() : null; } const parts = line.trim().split(/\s+/g); const filePath = parts.at(-1) ?? ""; return filePath.length > 0 ? filePath : null;} function parseBranchLine(line: string): { name: string; current: boolean } | null { const trimmed = line.trim(); if (trimmed.length === 0) return null; const name = trimmed.replace(/^[*+]\s+/, ""); // Exclude symbolic refs like: "origin/HEAD -> origin/main". // Exclude detached HEAD pseudo-refs like: "(HEAD detached at origin/main)". if (name.includes(" -> ") || name.startsWith("(")) return null; return { name, current: trimmed.startsWith("* "), };} function parseRemoteNames(stdout: string): ReadonlyArray<string> { return stdout .split("\n") .map((line) => line.trim()) .filter((line) => line.length > 0) .toSorted((a, b) => b.length - a.length);} function sanitizeRemoteName(value: string): string { const sanitized = value .trim() .replace(/[^A-Za-z0-9._-]+/g, "-") .replace(/^-+|-+$/g, ""); return sanitized.length > 0 ? sanitized : "fork";} function normalizeRemoteUrl(value: string): string { return value .trim() .replace(/\/+$/g, "") .replace(/\.git$/i, "") .toLowerCase();} function parseRemoteFetchUrls(stdout: string): Map<string, string> { const remotes = new Map<string, string>(); for (const line of stdout.split("\n")) { const trimmed = line.trim(); if (trimmed.length === 0) continue; const match = /^(\S+)\s+(\S+)\s+\((fetch|push)\)$/.exec(trimmed); if (!match) continue; const [, remoteName = "", remoteUrl = "", direction = ""] = match; if (direction !== "fetch" || remoteName.length === 0 || remoteUrl.length === 0) { continue; } remotes.set(remoteName, remoteUrl); } return remotes;} function parseRemoteRefWithRemoteNames( branchName: string, remoteNames: ReadonlyArray<string>,): { remoteRef: string; remoteName: string; localBranch: string } | null { const trimmedBranchName = branchName.trim(); if (trimmedBranchName.length === 0) return null; for (const remoteName of remoteNames) { const remotePrefix = `${remoteName}/`; if (!trimmedBranchName.startsWith(remotePrefix)) { continue; } const localBranch = trimmedBranchName.slice(remotePrefix.length).trim(); if (localBranch.length === 0) { return null; } return { remoteRef: trimmedBranchName, remoteName, localBranch, }; } return null;} function parseTrackingBranchByUpstreamRef(stdout: string, upstreamRef: string): string | null { for (const line of stdout.split("\n")) { const trimmedLine = line.trim(); if (trimmedLine.length === 0) { continue; } const [branchNameRaw, upstreamBranchRaw = ""] = trimmedLine.split("\t"); const branchName = branchNameRaw?.trim() ?? ""; const upstreamBranch = upstreamBranchRaw.trim(); if (branchName.length === 0 || upstreamBranch.length === 0) { continue; } if (upstreamBranch === upstreamRef) { return branchName; } } return null;} function deriveLocalBranchNameFromRemoteRef(branchName: string): string | null { const separatorIndex = branchName.indexOf("/"); if (separatorIndex <= 0 || separatorIndex === branchName.length - 1) { return null; } const localBranch = branchName.slice(separatorIndex + 1).trim(); return localBranch.length > 0 ? localBranch : null;} function commandLabel(args: readonly string[]): string { return `git ${args.join(" ")}`;} function parseDefaultBranchFromRemoteHeadRef(value: string, remoteName: string): string | null { const trimmed = value.trim(); const prefix = `refs/remotes/${remoteName}/`; if (!trimmed.startsWith(prefix)) { return null; } const branch = trimmed.slice(prefix.length).trim(); return branch.length > 0 ? branch : null;} function createGitCommandError( operation: string, cwd: string, args: readonly string[], detail: string, cause?: unknown,): GitCommandError { return new GitCommandError({ operation, command: commandLabel(args), cwd, detail, ...(cause !== undefined ? { cause } : {}), });} const makeGitCore = Effect.gen(function* () { const git = yield* GitService; const fileSystem = yield* FileSystem.FileSystem; const path = yield* Path.Path; const executeGit = ( operation: string, cwd: string, args: readonly string[], options: ExecuteGitOptions = {}, ): Effect.Effect<{ code: number; stdout: string; stderr: string }, GitCommandError> => git .execute({ operation, cwd, args, allowNonZeroExit: true, ...(options.timeoutMs !== undefined ? { timeoutMs: options.timeoutMs } : {}), }) .pipe( Effect.flatMap((result) => { if (options.allowNonZeroExit || result.code === 0) { return Effect.succeed(result); } const stderr = result.stderr.trim(); if (stderr.length > 0) { return Effect.fail(createGitCommandError(operation, cwd, args, stderr)); } if (options.fallbackErrorMessage) { return Effect.fail( createGitCommandError(operation, cwd, args, options.fallbackErrorMessage), ); } return Effect.fail( createGitCommandError( operation, cwd, args, `${commandLabel(args)} failed: code=${result.code ?? "null"}`, ), ); }), ); const runGit = ( operation: string, cwd: string, args: readonly string[], allowNonZeroExit = false, ): Effect.Effect<void, GitCommandError> => executeGit(operation, cwd, args, { allowNonZeroExit }).pipe(Effect.asVoid); const runGitStdout = ( operation: string, cwd: string, args: readonly string[], allowNonZeroExit = false, ): Effect.Effect<string, GitCommandError> => executeGit(operation, cwd, args, { allowNonZeroExit }).pipe( Effect.map((result) => result.stdout), ); const branchExists = (cwd: string, branch: string): Effect.Effect<boolean, GitCommandError> => executeGit( "GitCore.branchExists", cwd, ["show-ref", "--verify", "--quiet", `refs/heads/${branch}`], { allowNonZeroExit: true, timeoutMs: 5_000, }, ).pipe(Effect.map((result) => result.code === 0)); const resolveAvailableBranchName = ( cwd: string, desiredBranch: string, ): Effect.Effect<string, GitCommandError> => Effect.gen(function* () { const isDesiredTaken = yield* branchExists(cwd, desiredBranch); if (!isDesiredTaken) { return desiredBranch; } for (let suffix = 1; suffix <= 100; suffix += 1) { const candidate = `${desiredBranch}-${suffix}`; const isCandidateTaken = yield* branchExists(cwd, candidate); if (!isCandidateTaken) { return candidate; } } return yield* createGitCommandError( "GitCore.renameBranch", cwd, ["branch", "-m", "--", desiredBranch], `Could not find an available branch name for '${desiredBranch}'.`, ); }); const resolveCurrentUpstream = ( cwd: string, ): Effect.Effect< { upstreamRef: string; remoteName: string; upstreamBranch: string } | null, GitCommandError > => Effect.gen(function* () { const upstreamRef = yield* runGitStdout( "GitCore.resolveCurrentUpstream", cwd, ["rev-parse", "--abbrev-ref", "--symbolic-full-name", "@{upstream}"], true, ).pipe(Effect.map((stdout) => stdout.trim())); if (upstreamRef.length === 0 || upstreamRef === "@{upstream}") { return null; } const separatorIndex = upstreamRef.indexOf("/"); if (separatorIndex <= 0) { return null; } const remoteName = upstreamRef.slice(0, separatorIndex); const upstreamBranch = upstreamRef.slice(separatorIndex + 1); if (remoteName.length === 0 || upstreamBranch.length === 0) { return null; } return { upstreamRef, remoteName, upstreamBranch, }; }); const fetchUpstreamRef = ( cwd: string, upstream: { upstreamRef: string; remoteName: string; upstreamBranch: string }, ): Effect.Effect<void, GitCommandError> => { const refspec = `+refs/heads/${upstream.upstreamBranch}:refs/remotes/${upstream.upstreamRef}`; return runGit( "GitCore.fetchUpstreamRef", cwd, ["fetch", "--quiet", "--no-tags", upstream.remoteName, refspec], true, ); }; const fetchUpstreamRefForStatus = ( cwd: string, upstream: { upstreamRef: string; remoteName: string; upstreamBranch: string }, ): Effect.Effect<void, GitCommandError> => { const refspec = `+refs/heads/${upstream.upstreamBranch}:refs/remotes/${upstream.upstreamRef}`; return executeGit( "GitCore.fetchUpstreamRefForStatus", cwd, ["fetch", "--quiet", "--no-tags", upstream.remoteName, refspec], { allowNonZeroExit: true, timeoutMs: Duration.toMillis(STATUS_UPSTREAM_REFRESH_TIMEOUT), }, ).pipe(Effect.asVoid); }; const statusUpstreamRefreshCache = yield* Cache.makeWith({ capacity: STATUS_UPSTREAM_REFRESH_CACHE_CAPACITY, lookup: (cacheKey: StatusUpstreamRefreshCacheKey) => Effect.gen(function* () { yield* fetchUpstreamRefForStatus(cacheKey.cwd, { upstreamRef: cacheKey.upstreamRef, remoteName: cacheKey.remoteName, upstreamBranch: cacheKey.upstreamBranch, }); return true as const; }), // Keep successful refreshes warm; drop failures immediately so next request can retry. timeToLive: (exit) => (Exit.isSuccess(exit) ? STATUS_UPSTREAM_REFRESH_INTERVAL : Duration.zero), }); const refreshStatusUpstreamIfStale = (cwd: string): Effect.Effect<void, GitCommandError> => Effect.gen(function* () { const upstream = yield* resolveCurrentUpstream(cwd); if (!upstream) return; yield* Cache.get( statusUpstreamRefreshCache, new StatusUpstreamRefreshCacheKey({ cwd, upstreamRef: upstream.upstreamRef, remoteName: upstream.remoteName, upstreamBranch: upstream.upstreamBranch, }), ); }); const refreshCheckedOutBranchUpstream = (cwd: string): Effect.Effect<void, GitCommandError> => Effect.gen(function* () { const upstream = yield* resolveCurrentUpstream(cwd); if (!upstream) return; yield* fetchUpstreamRef(cwd, upstream); }); const resolveDefaultBranchName = ( cwd: string, remoteName: string, ): Effect.Effect<string | null, GitCommandError> => executeGit( "GitCore.resolveDefaultBranchName", cwd, ["symbolic-ref", `refs/remotes/${remoteName}/HEAD`], { allowNonZeroExit: true }, ).pipe( Effect.map((result) => { if (result.code !== 0) { return null; } return parseDefaultBranchFromRemoteHeadRef(result.stdout, remoteName); }), ); const remoteBranchExists = ( cwd: string, remoteName: string, branch: string, ): Effect.Effect<boolean, GitCommandError> => executeGit( "GitCore.remoteBranchExists", cwd, ["show-ref", "--verify", "--quiet", `refs/remotes/${remoteName}/${branch}`], { allowNonZeroExit: true, }, ).pipe(Effect.map((result) => result.code === 0)); const originRemoteExists = (cwd: string): Effect.Effect<boolean, GitCommandError> => executeGit("GitCore.originRemoteExists", cwd, ["remote", "get-url", "origin"], { allowNonZeroExit: true, }).pipe(Effect.map((result) => result.code === 0)); const listRemoteNames = (cwd: string): Effect.Effect<ReadonlyArray<string>, GitCommandError> => runGitStdout("GitCore.listRemoteNames", cwd, ["remote"]).pipe( Effect.map((stdout) => parseRemoteNames(stdout).toReversed()), ); const resolvePrimaryRemoteName = (cwd: string): Effect.Effect<string, GitCommandError> => Effect.gen(function* () { if (yield* originRemoteExists(cwd)) { return "origin"; } const remotes = yield* listRemoteNames(cwd); const [firstRemote] = remotes; if (firstRemote) { return firstRemote; } return yield* createGitCommandError( "GitCore.resolvePrimaryRemoteName", cwd, ["remote"], "No git remote is configured for this repository.", ); }); const resolvePushRemoteName = ( cwd: string, branch: string, ): Effect.Effect<string | null, GitCommandError> => Effect.gen(function* () { const branchPushRemote = yield* runGitStdout( "GitCore.resolvePushRemoteName.branchPushRemote", cwd, ["config", "--get", `branch.${branch}.pushRemote`], true, ).pipe(Effect.map((stdout) => stdout.trim())); if (branchPushRemote.length > 0) { return branchPushRemote; } const pushDefaultRemote = yield* runGitStdout( "GitCore.resolvePushRemoteName.remotePushDefault", cwd, ["config", "--get", "remote.pushDefault"], true, ).pipe(Effect.map((stdout) => stdout.trim()));Lines 1–500 of 1428. Load more
import { Cache, Data, Duration, Effect, Exit, FileSystem, Layer, Path } from "effect"; import { GitCommandError } from "../Errors.ts"; import { GitService } from "../Services/GitService.ts"; import { GitCore, type GitCoreShape } from "../Services/GitCore.ts"; const STATUS_UPSTREAM_REFRESH_INTERVAL = Duration.seconds(15); const STATUS_UPSTREAM_REFRESH_TIMEOUT = Duration.seconds(5); const STATUS_UPSTREAM_REFRESH_CACHE_CAPACITY = 2_048; const DEFAULT_BASE_BRANCH_CANDIDATES = ["main", "master"] as const; class StatusUpstreamRefreshCacheKey extends Data.Class<{ cwd: string; upstreamRef: string; remoteName: string; upstreamBranch: string; }> {} interface ExecuteGitOptions { timeoutMs?: number | undefined; allowNonZeroExit?: boolean | undefined; fallbackErrorMessage?: string | undefined; } function parseBranchAb(value: string): { ahead: number; behind: number } { const match = value.match(/^\+(\d+)\s+-(\d+)$/); if (!match) return { ahead: 0, behind: 0 }; return { ahead: Number(match[1] ?? "0"), behind: Number(match[2] ?? "0"), }; } function parseNumstatEntries( stdout: string, ): Array<{ path: string; insertions: number; deletions: number }> { const entries: Array<{ path: string; insertions: number; deletions: number }> = []; for (const line of stdout.split(/\r?\n/g)) { if (line.trim().length === 0) continue; const [addedRaw, deletedRaw, ...pathParts] = line.split("\t"); const rawPath = pathParts.length > 1 ? (pathParts.at(-1) ?? "").trim() : pathParts.join("\t").trim(); if (rawPath.length === 0) continue; const added = Number.parseInt(addedRaw ?? "0", 10); const deleted = Number.parseInt(deletedRaw ?? "0", 10); const renameArrowIndex = rawPath.indexOf(" => "); const normalizedPath = renameArrowIndex >= 0 ? rawPath.slice(renameArrowIndex + " => ".length).trim() : rawPath; entries.push({ path: normalizedPath.length > 0 ? normalizedPath : rawPath, insertions: Number.isFinite(added) ? added : 0, deletions: Number.isFinite(deleted) ? deleted : 0, }); } return entries; } function parsePorcelainPath(line: string): string | null { if (line.startsWith("? ") || line.startsWith("! ")) { const simple = line.slice(2).trim(); return simple.length > 0 ? simple : null; } if (!(line.startsWith("1 ") || line.startsWith("2 ") || line.startsWith("u "))) { return null; } const tabIndex = line.indexOf("\t"); if (tabIndex >= 0) { const fromTab = line.slice(tabIndex + 1); const [filePath] = fromTab.split("\t"); return filePath?.trim().length ? filePath.trim() : null; } const parts = line.trim().split(/\s+/g); const filePath = parts.at(-1) ?? ""; return filePath.length > 0 ? filePath : null; } function parseBranchLine(line: string): { name: string; current: boolean } | null { const trimmed = line.trim(); if (trimmed.length === 0) return null; const name = trimmed.replace(/^[*+]\s+/, ""); // Exclude symbolic refs like: "origin/HEAD -> origin/main". // Exclude detached HEAD pseudo-refs like: "(HEAD detached at origin/main)". if (name.includes(" -> ") || name.startsWith("(")) return null; return { name, current: trimmed.startsWith("* "), }; } function parseRemoteNames(stdout: string): ReadonlyArray<string> { return stdout .split("\n") .map((line) => line.trim()) .filter((line) => line.length > 0) .toSorted((a, b) => b.length - a.length); } function sanitizeRemoteName(value: string): string { const sanitized = value .trim() .replace(/[^A-Za-z0-9._-]+/g, "-") .replace(/^-+|-+$/g, ""); return sanitized.length > 0 ? sanitized : "fork"; } function normalizeRemoteUrl(value: string): string { return value .trim() .replace(/\/+$/g, "") .replace(/\.git$/i, "") .toLowerCase(); } function parseRemoteFetchUrls(stdout: string): Map<string, string> { const remotes = new Map<string, string>(); for (const line of stdout.split("\n")) { const trimmed = line.trim(); if (trimmed.length === 0) continue; const match = /^(\S+)\s+(\S+)\s+\((fetch|push)\)$/.exec(trimmed); if (!match) continue; const [, remoteName = "", remoteUrl = "", direction = ""] = match; if (direction !== "fetch" || remoteName.length === 0 || remoteUrl.length === 0) { continue; } remotes.set(remoteName, remoteUrl); } return remotes; } function parseRemoteRefWithRemoteNames( branchName: string, remoteNames: ReadonlyArray<string>, ): { remoteRef: string; remoteName: string; localBranch: string } | null { const trimmedBranchName = branchName.trim(); if (trimmedBranchName.length === 0) return null; for (const remoteName of remoteNames) { const remotePrefix = `${remoteName}/`; if (!trimmedBranchName.startsWith(remotePrefix)) { continue; } const localBranch = trimmedBranchName.slice(remotePrefix.length).trim(); if (localBranch.length === 0) { return null; } return { remoteRef: trimmedBranchName, remoteName, localBranch, }; } return null; } function parseTrackingBranchByUpstreamRef(stdout: string, upstreamRef: string): string | null { for (const line of stdout.split("\n")) { const trimmedLine = line.trim(); if (trimmedLine.length === 0) { continue; } const [branchNameRaw, upstreamBranchRaw = ""] = trimmedLine.split("\t"); const branchName = branchNameRaw?.trim() ?? ""; const upstreamBranch = upstreamBranchRaw.trim(); if (branchName.length === 0 || upstreamBranch.length === 0) { continue; } if (upstreamBranch === upstreamRef) { return branchName; } } return null; } function deriveLocalBranchNameFromRemoteRef(branchName: string): string | null { const separatorIndex = branchName.indexOf("/"); if (separatorIndex <= 0 || separatorIndex === branchName.length - 1) { return null; } const localBranch = branchName.slice(separatorIndex + 1).trim(); return localBranch.length > 0 ? localBranch : null; } function commandLabel(args: readonly string[]): string { return `git ${args.join(" ")}`; } function parseDefaultBranchFromRemoteHeadRef(value: string, remoteName: string): string | null { const trimmed = value.trim(); const prefix = `refs/remotes/${remoteName}/`; if (!trimmed.startsWith(prefix)) { return null; } const branch = trimmed.slice(prefix.length).trim(); return branch.length > 0 ? branch : null; } function createGitCommandError( operation: string, cwd: string, args: readonly string[], detail: string, cause?: unknown, ): GitCommandError { return new GitCommandError({ operation, command: commandLabel(args), cwd, detail, ...(cause !== undefined ? { cause } : {}), }); } const makeGitCore = Effect.gen(function* () { const git = yield* GitService; const fileSystem = yield* FileSystem.FileSystem; const path = yield* Path.Path; const executeGit = ( operation: string, cwd: string, args: readonly string[], options: ExecuteGitOptions = {}, ): Effect.Effect<{ code: number; stdout: string; stderr: string }, GitCommandError> => git .execute({ operation, cwd, args, allowNonZeroExit: true, ...(options.timeoutMs !== undefined ? { timeoutMs: options.timeoutMs } : {}), }) .pipe( Effect.flatMap((result) => { if (options.allowNonZeroExit || result.code === 0) { return Effect.succeed(result); } const stderr = result.stderr.trim(); if (stderr.length > 0) { return Effect.fail(createGitCommandError(operation, cwd, args, stderr)); } if (options.fallbackErrorMessage) { return Effect.fail( createGitCommandError(operation, cwd, args, options.fallbackErrorMessage), ); } return Effect.fail( createGitCommandError( operation, cwd, args, `${commandLabel(args)} failed: code=${result.code ?? "null"}`, ), ); }), ); const runGit = ( operation: string, cwd: string, args: readonly string[], allowNonZeroExit = false, ): Effect.Effect<void, GitCommandError> => executeGit(operation, cwd, args, { allowNonZeroExit }).pipe(Effect.asVoid); const runGitStdout = ( operation: string, cwd: string, args: readonly string[], allowNonZeroExit = false, ): Effect.Effect<string, GitCommandError> => executeGit(operation, cwd, args, { allowNonZeroExit }).pipe( Effect.map((result) => result.stdout), ); const branchExists = (cwd: string, branch: string): Effect.Effect<boolean, GitCommandError> => executeGit( "GitCore.branchExists", cwd, ["show-ref", "--verify", "--quiet", `refs/heads/${branch}`], { allowNonZeroExit: true, timeoutMs: 5_000, }, ).pipe(Effect.map((result) => result.code === 0)); const resolveAvailableBranchName = ( cwd: string, desiredBranch: string, ): Effect.Effect<string, GitCommandError> => Effect.gen(function* () { const isDesiredTaken = yield* branchExists(cwd, desiredBranch); if (!isDesiredTaken) { return desiredBranch; } for (let suffix = 1; suffix <= 100; suffix += 1) { const candidate = `${desiredBranch}-${suffix}`; const isCandidateTaken = yield* branchExists(cwd, candidate); if (!isCandidateTaken) { return candidate; } } return yield* createGitCommandError( "GitCore.renameBranch", cwd, ["branch", "-m", "--", desiredBranch], `Could not find an available branch name for '${desiredBranch}'.`, ); }); const resolveCurrentUpstream = ( cwd: string, ): Effect.Effect< { upstreamRef: string; remoteName: string; upstreamBranch: string } | null, GitCommandError > => Effect.gen(function* () { const upstreamRef = yield* runGitStdout( "GitCore.resolveCurrentUpstream", cwd, ["rev-parse", "--abbrev-ref", "--symbolic-full-name", "@{upstream}"], true, ).pipe(Effect.map((stdout) => stdout.trim())); if (upstreamRef.length === 0 || upstreamRef === "@{upstream}") { return null; } const separatorIndex = upstreamRef.indexOf("/"); if (separatorIndex <= 0) { return null; } const remoteName = upstreamRef.slice(0, separatorIndex); const upstreamBranch = upstreamRef.slice(separatorIndex + 1); if (remoteName.length === 0 || upstreamBranch.length === 0) { return null; } return { upstreamRef, remoteName, upstreamBranch, }; }); const fetchUpstreamRef = ( cwd: string, upstream: { upstreamRef: string; remoteName: string; upstreamBranch: string }, ): Effect.Effect<void, GitCommandError> => { const refspec = `+refs/heads/${upstream.upstreamBranch}:refs/remotes/${upstream.upstreamRef}`; return runGit( "GitCore.fetchUpstreamRef", cwd, ["fetch", "--quiet", "--no-tags", upstream.remoteName, refspec], true, ); }; const fetchUpstreamRefForStatus = ( cwd: string, upstream: { upstreamRef: string; remoteName: string; upstreamBranch: string }, ): Effect.Effect<void, GitCommandError> => { const refspec = `+refs/heads/${upstream.upstreamBranch}:refs/remotes/${upstream.upstreamRef}`; return executeGit( "GitCore.fetchUpstreamRefForStatus", cwd, ["fetch", "--quiet", "--no-tags", upstream.remoteName, refspec], { allowNonZeroExit: true, timeoutMs: Duration.toMillis(STATUS_UPSTREAM_REFRESH_TIMEOUT), }, ).pipe(Effect.asVoid); }; const statusUpstreamRefreshCache = yield* Cache.makeWith({ capacity: STATUS_UPSTREAM_REFRESH_CACHE_CAPACITY, lookup: (cacheKey: StatusUpstreamRefreshCacheKey) => Effect.gen(function* () { yield* fetchUpstreamRefForStatus(cacheKey.cwd, { upstreamRef: cacheKey.upstreamRef, remoteName: cacheKey.remoteName, upstreamBranch: cacheKey.upstreamBranch, }); return true as const; }), // Keep successful refreshes warm; drop failures immediately so next request can retry. timeToLive: (exit) => (Exit.isSuccess(exit) ? STATUS_UPSTREAM_REFRESH_INTERVAL : Duration.zero), }); const refreshStatusUpstreamIfStale = (cwd: string): Effect.Effect<void, GitCommandError> => Effect.gen(function* () { const upstream = yield* resolveCurrentUpstream(cwd); if (!upstream) return; yield* Cache.get( statusUpstreamRefreshCache, new StatusUpstreamRefreshCacheKey({ cwd, upstreamRef: upstream.upstreamRef, remoteName: upstream.remoteName, upstreamBranch: upstream.upstreamBranch, }), ); }); const refreshCheckedOutBranchUpstream = (cwd: string): Effect.Effect<void, GitCommandError> => Effect.gen(function* () { const upstream = yield* resolveCurrentUpstream(cwd); if (!upstream) return; yield* fetchUpstreamRef(cwd, upstream); }); const resolveDefaultBranchName = ( cwd: string, remoteName: string, ): Effect.Effect<string | null, GitCommandError> => executeGit( "GitCore.resolveDefaultBranchName", cwd, ["symbolic-ref", `refs/remotes/${remoteName}/HEAD`], { allowNonZeroExit: true }, ).pipe( Effect.map((result) => { if (result.code !== 0) { return null; } return parseDefaultBranchFromRemoteHeadRef(result.stdout, remoteName); }), ); const remoteBranchExists = ( cwd: string, remoteName: string, branch: string, ): Effect.Effect<boolean, GitCommandError> => executeGit( "GitCore.remoteBranchExists", cwd, ["show-ref", "--verify", "--quiet", `refs/remotes/${remoteName}/${branch}`], { allowNonZeroExit: true, }, ).pipe(Effect.map((result) => result.code === 0)); const originRemoteExists = (cwd: string): Effect.Effect<boolean, GitCommandError> => executeGit("GitCore.originRemoteExists", cwd, ["remote", "get-url", "origin"], { allowNonZeroExit: true, }).pipe(Effect.map((result) => result.code === 0)); const listRemoteNames = (cwd: string): Effect.Effect<ReadonlyArray<string>, GitCommandError> => runGitStdout("GitCore.listRemoteNames", cwd, ["remote"]).pipe( Effect.map((stdout) => parseRemoteNames(stdout).toReversed()), ); const resolvePrimaryRemoteName = (cwd: string): Effect.Effect<string, GitCommandError> => Effect.gen(function* () { if (yield* originRemoteExists(cwd)) { return "origin"; } const remotes = yield* listRemoteNames(cwd); const [firstRemote] = remotes; if (firstRemote) { return firstRemote; } return yield* createGitCommandError( "GitCore.resolvePrimaryRemoteName", cwd, ["remote"], "No git remote is configured for this repository.", ); }); const resolvePushRemoteName = ( cwd: string, branch: string, ): Effect.Effect<string | null, GitCommandError> => Effect.gen(function* () { const branchPushRemote = yield* runGitStdout( "GitCore.resolvePushRemoteName.branchPushRemote", cwd, ["config", "--get", `branch.${branch}.pushRemote`], true, ).pipe(Effect.map((stdout) => stdout.trim())); if (branchPushRemote.length > 0) { return branchPushRemote; } const pushDefaultRemote = yield* runGitStdout( "GitCore.resolvePushRemoteName.remotePushDefault", cwd, ["config", "--get", "remote.pushDefault"], true, ).pipe(Effect.map((stdout) => stdout.trim()));