ts-scripts/single-scripts/commit.ts

#!/usr/bin/env runts -- --allow-import --allow-run --allow-read

import {existsSync} from "node:fs";
import {createInterface} from "node:readline/promises";
import {stdin, stdout} from "node:process";
import {execCommand, execCommandShell, log, ProcessBar, term,} from "https://script.hatter.ink/@29/deno-commons-mod.ts";

async function getGitRemoteRev(): Promise<string> {
    const currentBranch = await getGitCurrentBranch();
    const lsGitRemoteOrigin = await execCommand("git", [
        "ls-remote",
        "origin",
        currentBranch,
    ]);
    lsGitRemoteOrigin.assertSuccess();
    return lsGitRemoteOrigin.stdout.trim().split(/\s+/)[0].trim();
}

async function getGitCurrentBranch(): Promise<string> {
    const gitCurrentBranch = await execCommand("git", [
        "branch",
        "--show-current",
    ]);
    gitCurrentBranch.assertSuccess();
    return gitCurrentBranch.stdout.trim();
}

async function getGitLocalRev(): Promise<string> {
    const gitLocalRev = await execCommand("git", [
        "rev-parse",
        "HEAD",
    ]);
    gitLocalRev.assertSuccess();
    return gitLocalRev.stdout.trim();
}

class GitStatusResult {
    newfile: string[];
    modified: string[];
    deleted: string[];
    untracked: string[];
    constructor(
        newfile: string[],
        modified: string[],
        deleted: string[],
        untracked: string[],
    ) {
        this.newfile = newfile;
        this.modified = modified;
        this.deleted = deleted;
        this.untracked = untracked;
    }
}

// On branch main
// Your branch is up to date with 'origin/main'.
//
// nothing to commit, working tree clean
// ----------------------------------------------------------------------
// On branch main
// Your branch is up to date with 'origin/main'.
//
// Changes to be committed:
//   (use "git restore --staged <file>..." to unstage)
// 	new file:   single-scripts/commit.ts
// ----------------------------------------------------------------------
// On branch main
// Your branch is up to date with 'origin/main'.
//
// Changes not staged for commit:
//   (use "git add/rm <file>..." to update what will be committed)
//   (use "git restore <file>..." to discard changes in working directory)
// 	modified:   README.md
// 	deleted:    script-config.json
//
// Untracked files:
//   (use "git add <file>..." to include in what will be committed)
// 	single-scripts/commit.ts
//
// no changes added to commit (use "git add" and/or "git commit -a")
async function getGitStatus(): Promise<GitStatusResult | null> {
    const newfile: string[] = [];
    const modified: string[] = [];
    const deleted: string[] = [];
    const untracked: string[] = [];

    const gitStatus = await execCommand("git", ["status"]);
    gitStatus.assertSuccess();
    const gitStatusStdout = gitStatus.stdout.trim();
    if (gitStatusStdout.includes("nothing to commit, working tree clean")) {
        return null;
    }
    let inChangesNotStaged = false;
    let inUntrackedFiles = false;
    gitStatusStdout.split("\n").forEach((line) => {
        if (
            line.startsWith("Changes to be committed:") ||
            line.startsWith("Changes not staged for commit:")
        ) {
            inChangesNotStaged = true;
            inUntrackedFiles = false;
            return;
        }
        if (line.startsWith("Untracked files:")) {
            inChangesNotStaged = false;
            inUntrackedFiles = true;
            return;
        }
        if (inChangesNotStaged) {
            const modifiedOrDeletedLine = line.trim();
            if (modifiedOrDeletedLine.startsWith("new file:")) {
                const newFile = modifiedOrDeletedLine.substring(
                    "new file:".length,
                ).trim();
                newfile.push(newFile);
            } else if (modifiedOrDeletedLine.startsWith("modified:")) {
                const modifiedFile = modifiedOrDeletedLine.substring(
                    "modified:".length,
                ).trim();
                modified.push(modifiedFile);
            } else if (modifiedOrDeletedLine.startsWith("deleted:")) {
                const deletedFile = modifiedOrDeletedLine.substring(
                    "deleted:".length,
                ).trim();
                deleted.push(deletedFile);
            }
        }
        if (inUntrackedFiles) {
            const newFile = line.trim();
            if (newFile && existsSync(newFile)) {
                untracked.push(newFile);
            }
        }
    });
    if (
        newfile.length === 0 && modified.length === 0 && deleted.length === 0 &&
        untracked.length === 0
    ) {
        // WILL THIS HAPPEN?
        return null;
    }
    return new GitStatusResult(newfile, modified, deleted, untracked);
}

async function checkRev(): Promise<boolean> {
    const localRev = await getGitLocalRev();
    const remoteRev = await new ProcessBar("Checking rev").call(
        async (): Promise<string> => {
            return await getGitRemoteRev();
        },
    );
    if (localRev === remoteRev) {
        console.log(term.green(`Check rev successfully, rev: ${localRev}`));
    } else {
        throw `Check rev failed, local rev: ${localRev} vs remote rev: ${remoteRev}`;
    }
}

async function main() {
    await checkRev(); // check local rev <--> remote rev equals
    const gitStatus = await getGitStatus();
    if (gitStatus === null) {
        log.warn("No git status found");
        return;
    }
    log.info("Git status:", gitStatus);

    let emptyCount = 0;
    let message = "empty message";
    const readline = createInterface({ input: stdin, output: stdout });
    do {
        if (emptyCount++ === 3) {
            readline.close();
            console.log("Too many empty messages, then exit");
            return;
        }
        message = await readline.question("Input your commit message > ");
    } while (message.length == 0);
    readline.close();

    const gitCommitArgs: string[] = [];
    gitCommitArgs.push("commit");
    for (const file of gitStatus.modified) {
        gitCommitArgs.push(file);
    }
    for (const file of gitStatus.deleted) {
        gitCommitArgs.push(file);
    }
    for (const file of gitStatus.untracked) {
        gitCommitArgs.push(file);
    }
    gitCommitArgs.push("-m");
    gitCommitArgs.push(message);

    if (gitStatus.untracked.length > 0) {
        const gitAddArgs = ["add"];
        for (const file of gitStatus.untracked) {
            gitAddArgs.push(file);
        }
        log.info(">>>>>", ["git", gitAddArgs]);
        await execCommandShell("git", gitAddArgs);
    }
    log.info(">>>>>", ["git", gitCommitArgs]);
    await execCommandShell("git", gitCommitArgs);
    log.info(">>>>>", ["git", "push"]);
    await new ProcessBar("Git pushing").call(async (): Promise<void> => {
        await execCommandShell("git", ["push"]);
    });
}

main().catch((err) => {
    log.error(err);
    process.exit(0);
}).then(() => process.exit(0));

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