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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 | 3x 163x 163x 163x 163x | import { simpleGit, SimpleGit } from 'simple-git';
import { addCommit } from './db';
// Session-scoped git instances and commit tracking
interface GitSession {
git: SimpleGit;
lastCommitHash: string | null;
interval?: NodeJS.Timeout;
}
const sessions = new Map<number, GitSession>();
export function initGit(sessionId: number, cwd: string): void {
sessions.set(sessionId, {
git: simpleGit(cwd),
lastCommitHash: null,
});
}
export async function checkForNewCommits(sessionId: number): Promise<void> {
const session = sessions.get(sessionId);
if (!session) return;
try {
const log = await session.git.log({ maxCount: 1 });
if (log.latest && log.latest.hash !== session.lastCommitHash) {
session.lastCommitHash = log.latest.hash;
addCommit({
sessionId,
hash: log.latest.hash.substring(0, 7),
message: log.latest.message,
timestamp: new Date().toISOString(),
});
}
} catch (error) {
// Not a git repo or no commits yet
}
}
export async function getGitInfo(sessionId: number): Promise<{ branch: string; hasChanges: boolean } | null> {
const session = sessions.get(sessionId);
if (!session) return null;
try {
const branch = await session.git.revparse(['--abbrev-ref', 'HEAD']);
const status = await session.git.status();
return {
branch: branch.trim(),
hasChanges: !status.isClean(),
};
} catch (error) {
return null;
}
}
export function startGitPolling(sessionId: number, intervalMs: number = 10000): void {
const session = sessions.get(sessionId);
if (!session) return;
// Clear existing interval if any
if (session.interval) {
clearInterval(session.interval);
}
// Start new polling interval
session.interval = setInterval(async () => {
await checkForNewCommits(sessionId);
}, intervalMs);
}
export function stopGitPolling(sessionId: number): void {
const session = sessions.get(sessionId);
Iif (session?.interval) {
clearInterval(session.interval);
session.interval = undefined;
}
}
export function cleanupGit(sessionId: number): void {
stopGitPolling(sessionId);
sessions.delete(sessionId);
}
/**
* Get the root directory of the current git repository.
*/
export async function getGitRoot(cwd: string): Promise<string | null> {
try {
const g = simpleGit(cwd);
const root = await g.revparse(['--show-toplevel']);
return root.trim();
} catch (_) {
return null;
}
}
/**
* Get the current HEAD SHA (full hash).
*/
export async function getGitHead(cwd: string): Promise<string | null> {
try {
const g = simpleGit(cwd);
const head = await g.revparse(['HEAD']);
return head.trim();
} catch (_) {
return null;
}
}
/**
* Get files changed between a start SHA and HEAD via `git diff --name-status`.
* Returns an array of { filePath, changeType }.
*/
export async function getGitDiffFiles(cwd: string, fromHead: string): Promise<{ filePath: string; changeType: 'created' | 'modified' | 'deleted' }[]> {
try {
const g = simpleGit(cwd);
const diff = await g.diff(['--name-status', `${fromHead}..HEAD`]);
if (!diff.trim()) return [];
return diff.trim().split('\n').map((line) => {
const [status, ...pathParts] = line.split('\t');
const filePath = pathParts.join('\t');
let changeType: 'created' | 'modified' | 'deleted' = 'modified';
if (status.startsWith('A')) changeType = 'created';
else if (status.startsWith('D')) changeType = 'deleted';
else if (status.startsWith('R')) changeType = 'modified'; // rename
return { filePath, changeType };
});
} catch (_) {
return [];
}
}
/**
* Get commits between a start SHA and HEAD via `git log`.
* Returns array of { hash, message, timestamp }.
*/
export async function getGitLogCommits(cwd: string, fromHead: string): Promise<{ hash: string; message: string; timestamp: string }[]> {
try {
const g = simpleGit(cwd);
const log = await g.log({ from: fromHead, to: 'HEAD' });
return log.all.map((entry) => ({
hash: entry.hash.substring(0, 7),
message: entry.message,
timestamp: entry.date || new Date().toISOString(),
}));
} catch (_) {
return [];
}
}
/**
* Get unified diff between two SHAs (or SHA..HEAD).
* If filePath is provided, returns diff for that file only.
*/
export async function getGitDiff(
cwd: string,
fromSha: string,
toSha: string | null,
filePath?: string,
): Promise<string> {
try {
const g = simpleGit(cwd);
const range = toSha ? `${fromSha}..${toSha}` : `${fromSha}..HEAD`;
const args = ['diff', '--unified=5', range];
if (filePath) args.push('--', filePath);
const result = await g.raw(args);
return result;
} catch (_) {
return '';
}
}
/**
* Get diff for a single commit.
*/
export async function getCommitDiff(cwd: string, hash: string, filePath?: string): Promise<string> {
try {
const g = simpleGit(cwd);
const args = ['diff', '--unified=5', `${hash}~1`, hash];
if (filePath) args.push('--', filePath);
const result = await g.raw(args);
return result;
} catch (_) {
return '';
}
}
/**
* Get per-file diff stats (additions/deletions) between two SHAs.
* Uses `git diff --numstat`.
*/
export async function getGitDiffStats(
cwd: string,
fromSha: string,
toSha: string | null,
): Promise<{ filePath: string; additions: number; deletions: number }[]> {
try {
const g = simpleGit(cwd);
const range = toSha ? `${fromSha}..${toSha}` : `${fromSha}..HEAD`;
const result = await g.raw(['diff', '--numstat', range]);
if (!result.trim()) return [];
return result.trim().split('\n').map((line) => {
const [add, del, ...pathParts] = line.split('\t');
return {
filePath: pathParts.join('\t'),
additions: add === '-' ? 0 : parseInt(add) || 0,
deletions: del === '-' ? 0 : parseInt(del) || 0,
};
});
} catch (_) {
return [];
}
}
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