Files
fb-admin/src/backend/GitUpdater.ts
T
2019-08-20 21:32:43 +02:00

115 lines
3.3 KiB
TypeScript

"use strict";
import * as git from "simple-git/promise"
import * as gyt from "git-describe"
import { promises as fs, mkdirSync } from "fs"
import * as rimraf from "rimraf"
import * as path from "path"
import * as Logger from 'log4js'
Logger.configure({
appenders:
{
"admin/gitupdater": { type: 'stdout' },
//app: { type: 'file', filename: 'application.log' }
},
categories:
{
default: { appenders: [ 'admin/gitupdater' ], level: 'debug' }
}
})
const logger = Logger.getLogger("admin/gitupdater")
const rmrf = (path:string, options = {}) => {
return new Promise((acc, _) => rimraf(path, options, acc))
}
export type RepoFolderStatus = {
exists: boolean
empty: boolean
isRepo: boolean
currentTag?: string
tags?: string[]
latestTag?: string
remote?: string
}
export class GitUpdater{
private repo: git.SimpleGit
constructor(private readonly folderPath:string){
}
async getStatus():Promise<RepoFolderStatus>{
try {
await fs.access(this.folderPath);
}
catch (e) {
return { exists: false, empty: true, isRepo: false };
}
const files = await fs.readdir(this.folderPath)
const empty:boolean = files.length === 0
try{
await fs.access(this.folderPath+"/.git");
}catch(e2){
return { exists: true, empty: empty, isRepo: false };
}
if(!this.repo){
this.repo = git(this.folderPath)
}
await this.repo.fetch("origin", "master", {
"--tags": null
});
const remoteInfo = await this.repo.getRemotes(/* verbose for full url */true)
let remoteURL
if(remoteInfo.length != 0){
const filtered = remoteInfo.find(i => i.name === "origin")
remoteURL = filtered?filtered.refs.fetch:"origin unknown"
}
const remoteTags = await this.repo.tags();
const desc = await gyt.gitDescribe(this.folderPath, { match: "*" });
return {
exists: true,
empty: empty,
isRepo: true,
currentTag: !desc.tag?null:desc.tag,
tags: !remoteTags.all?[]:remoteTags.all,
latestTag: remoteTags.latest,
remote: remoteURL
};
}
async cloneRepo(from:string, force:boolean = false):Promise<RepoFolderStatus> {
if(force){
await rmrf(this.folderPath)
await fs.mkdir(this.folderPath)
}
const status = await this.getStatus()
if(!status.exists){
await fs.mkdir(this.folderPath)
}
if(!status.empty){
logger.error("The folder "+this.folderPath+" is not empty. Not cloning! Pass the force parameter to override this check")
logger.error(status)
return status
}
await git().clone(from, path.resolve(this.folderPath));
return await this.getStatus();
}
async checkoutTag(tag:string):Promise<RepoFolderStatus> {
const status = await this.getStatus()
if(!status.exists || !status.tags || status.tags.length === 0){
logger.error("Unable to check out tag", tag, status)
return status
}
await this.repo.checkout(tag);
return await this.getStatus();
}
}