From: Ruben Beltran del Rio <redacted>
Date: Sat, 9 Mar 2024 13:17:34 +0000 (+0100)
Subject: Allow sync up and down
X-Git-Tag: 7.0.0~40
X-Git-Url: https://git.r.bdr.sh/rbdr/blog/commitdiff_plain/172f4c8807d44ebe38c7f227b7fdc2d6a9dbe323?ds=inline

Allow sync up and down
---

diff --git a/lib/archivers/gemlog.js b/lib/archivers/gemlog.js
deleted file mode 100644
index 1bb0c10..0000000
--- a/lib/archivers/gemlog.js
+++ /dev/null
@@ -1,75 +0,0 @@
-import Dot from 'dot';
-import { cp, mkdir, readdir, readFile, writeFile } from 'fs/promises';
-import { debuglog } from 'util';
-import { join } from 'path';
-import { rmIfExists } from '../utils.js';
-
-const internals = {
-  kIndexName: 'index.gmi',
-  kGeminiRe: /\.gmi$/i,
-
-  debuglog: debuglog('blog'),
-
-  buildUrl(id, slug) {
-
-    return `./${id}/${slug}`;
-  },
-
-  buildTitle(id, slug) {
-
-    const date = new Date(Number(id));
-    const shortDate = date.toISOString().split('T')[0];
-    const title = slug.split('-').join(' ');
-    return `${shortDate} ${title}`;
-  },
-
-  buildLink(id, slug) {
-
-    return `=> ${internals.buildUrl(id,slug)} ${internals.buildTitle(id,slug)}`;
-  }
-};
-
-export default async function (templateDirectory, source, target) {
-
-  internals.debuglog(`Reading archive ${source}`);
-  const postIds = (await readdir(source))
-    .sort((a, b) => Number(b) - Number(a));
-  const posts = [];
-  for (const id of postIds) {
-    const postDirectory = join(source, id);
-    const slug = (await readdir(postDirectory))
-      .filter((entry) => internals.kGeminiRe.test(entry))[0];
-
-    posts.push({ id, slug });
-  }
-
-  internals.debuglog(`Read ${posts.length} posts`);
-
-  internals.debuglog('Generating Archive Index');
-  const indexLocation = join(templateDirectory, internals.kIndexName);
-
-  internals.debuglog(`Reading ${indexLocation}`);
-  const indexTemplate = await readFile(indexLocation, { encoding: 'utf8' });
-
-  internals.debuglog('Writing Archive Index');
-  const index = Dot.template(indexTemplate, {
-    ...Dot.templateSettings,
-    strip: false
-  })({
-    posts: posts.map((post) => internals.buildLink(post.id, post.slug)).join('\n')
-  });
-
-  try {
-    internals.debuglog('Removing index');
-    await rmIfExists(target);
-  }
-  finally {
-    internals.debuglog('Creating index');
-    await mkdir(target);
-    const indexFile = join(target, internals.kIndexName);
-    await writeFile(indexFile, index);
-
-    internals.debuglog('Copying posts to archive');
-    await cp(source, target, { recursive: true });
-  }
-}
diff --git a/lib/blog.js b/lib/blog.js
deleted file mode 100644
index e1a76a8..0000000
--- a/lib/blog.js
+++ /dev/null
@@ -1,448 +0,0 @@
-import { access, cp, readdir, readFile, writeFile } from 'fs/promises';
-import { exec } from 'child_process';
-import { basename, join } from 'path';
-import ParseGemini from 'gemini-to-html/parse.js';
-import RenderGemini from 'gemini-to-html/render.js';
-import { debuglog, promisify } from 'util';
-import { ensureDirectoryExists, rmIfExists } from './utils.js';
-import { kFileNotFoundError } from './constants.js';
-
-// Generators for the Blog
-
-import StaticGenerator from './generators/static.js';
-import HTMLGenerator from './generators/html.js';
-import RSSGenerator from './generators/rss.js';
-import TXTGenerator from './generators/txt.js';
-
-// Archiving Methods
-
-import GemlogArchiver from './archivers/gemlog.js';
-
-// Remote Handler
-
-import Remote from './remote.js';
-
-const internals = {
-
-  // Promisified functions
-  exec: promisify(exec),
-
-  debuglog: debuglog('blog'),
-
-  // constants
-
-  kGeminiRe: /\.gmi$/i,
-  kMetadataFilename: 'metadata.json',
-
-  // Strings
-
-  strings: {
-    geminiNotFound: 'Gemini file was not found in blog directory. Please update.'
-  }
-};
-
-/**
- * The Blog class is the blog generator, it's in charge of adding and
- * updating posts, and handling the publishing.
- *
- * @class Blog
- * @param {Blog.tConfiguration} config the initialization options to
- * extend the instance
- */
-export default class Blog {
-
-  constructor(config) {
-
-    Object.assign(this, config);
-  }
-
-  /**
-   * Shifts the blog posts, adds the passed file to slot 0, and
-   * generates files.
-   *
-   * @function add
-   * @memberof Blog
-   * @param {string} postLocation the path to the blog post file
-   * @return {Promise<undefined>} empty promise, returns no value
-   * @instance
-   */
-  async add(postLocation) {
-
-    await ensureDirectoryExists(this.postsDirectory);
-    try {
-      await this.syncDown();
-    }
-    catch {}
-
-    await this._shift();
-    const firstDirectory = join(this.postsDirectory, '0');
-    await rmIfExists(firstDirectory);
-    await ensureDirectoryExists(firstDirectory);
-    await this._update(postLocation);
-  }
-
-  /**
-   * Update slot 0 with the passed gmi file, and generates files.
-   *
-   * @function update
-   * @memberof Blog
-   * @param {string} postLocation the path to the blog post file
-   * @return {Promise<undefined>} empty promise, returns no value
-   * @instance
-   */
-  async update(postLocation) {
-
-    try {
-      await this.syncDown();
-    }
-    catch {}
-
-    await this._update(postLocation);
-  }
-
-  /**
-   * Publishes the files to a static host.
-   *
-   * @function publish
-   * @memberof Blog
-   * @return {Promise<undefined>} empty promise, returns no value
-   * @instance
-   */
-  async publish(host) {
-
-    internals.debuglog(`Publishing to ${host}`);
-    try {
-      await internals.exec('which rsync');
-    }
-    catch (err) {
-      console.error('Please install and configure rsync to publish.');
-    }
-
-    try {
-      internals.debuglog(`Copying ephemeral blog from ${this.blogOutputDirectory}`);
-      await internals.exec(`rsync -r ${this.blogOutputDirectory}/ ${host}`);
-    }
-    catch (err) {
-      console.error('Failed to publish');
-      console.error(err.stderr);
-    }
-
-    internals.debuglog('Finished publishing');
-  }
-
-  /**
-   * Publishes the archive to a host using rsync. Currently assumes
-   * gemlog archive.
-   *
-   * @function publishArchive
-   * @memberof Blog
-   * @return {Promise<undefined>} empty promise, returns no value
-   * @instance
-   */
-  async publishArchive(host) {
-
-    internals.debuglog(`Publishing archive to ${host}`);
-    try {
-      await internals.exec('which rsync');
-    }
-    catch (err) {
-      console.error('Please install rsync to publish the archive.');
-    }
-
-    try {
-      internals.debuglog(`Copying archive from ${this.archiveOutputDirectory}`);
-      await internals.exec(`rsync -r ${this.archiveOutputDirectory}/ ${host}`);
-    }
-    catch (err) {
-      console.error('Failed to publish archive');
-      console.error(err.stderr);
-    }
-
-    internals.debuglog('Finished publishing');
-  }
-
-  /**
-   * Adds a remote
-   *
-   * @function addRemote
-   * @memberof Blog
-   * @return {Promise<undefined>} empty promise, returns no value
-   * @instance
-   */
-  async addRemote(remote) {
-
-    await ensureDirectoryExists(this.configDirectory);
-    await Remote.add(this.remoteConfig, remote);
-  }
-
-  /**
-   * Removes a remote
-   *
-   * @function removeRemote
-   * @memberof Blog
-   * @return {Promise<undefined>} empty promise, returns no value
-   * @instance
-   */
-  async removeRemote() {
-
-    await Remote.remove(this.remoteConfig);
-  }
-
-
-  /**
-   * Pulls the posts and archive from the remote
-   *
-   * @function syncDown
-   * @memberof Blog
-   * @return {Promise<undefined>} empty promise, returns no value
-   * @instance
-   */
-  async syncDown() {
-
-    internals.debuglog('Pulling remote state');
-    await ensureDirectoryExists(this.dataDirectory);
-    await Remote.syncDown(this.remoteConfig, this.dataDirectory);
-    internals.debuglog('Pulled remote state');
-  }
-
-  /**
-   * Pushes the posts and archive to the remote
-   *
-   * @function syncUp
-   * @memberof Blog
-   * @return {Promise<undefined>} empty promise, returns no value
-   * @instance
-   */
-  async syncUp() {
-
-    internals.debuglog('Pushing remote state');
-    await ensureDirectoryExists(this.dataDirectory);
-    await Remote.syncUp(this.remoteConfig, this.dataDirectory);
-    internals.debuglog('Pushed remote state');
-  }
-
-  // Adds the passed path to slot 0, and generates files.
-
-  async _update(postLocation) {
-
-    const metadata = await this._getMetadata();
-    await ensureDirectoryExists(this.postsDirectory);
-    await this._copyPost(postLocation);
-    await this._writeMetadata(metadata);
-
-    await this._archive(postLocation);
-
-    await this.generate();
-    try {
-      await this.syncUp();
-    }
-    catch {}
-  }
-
-
-  // Parses Gemini for each page, copies assets and generates index.
-
-  async generate() {
-
-    internals.debuglog('Generating output');
-
-    const posts = await this._readPosts();
-
-    // Start from a clean slate.
-    await rmIfExists(this.blogOutputDirectory);
-    await ensureDirectoryExists(this.blogOutputDirectory);
-
-    // Run each generator
-    await StaticGenerator(this.staticDirectory, this.blogOutputDirectory, posts);
-    await HTMLGenerator(await this._templateDirectoryFor('index.html'), this.blogOutputDirectory, posts);
-    await RSSGenerator(await this._templateDirectoryFor('feed.xml'), this.blogOutputDirectory, posts);
-    await TXTGenerator(await this._templateDirectoryFor('index.txt'), this.blogOutputDirectory, posts);
-
-    // Start from a clean slate.
-    await rmIfExists(this.archiveOutputDirectory);
-    await ensureDirectoryExists(this.archiveOutputDirectory);
-    await ensureDirectoryExists(this.archiveDirectory);
-
-    // Run each archiver
-    await GemlogArchiver(await this._templateDirectoryFor('index.gmi'), this.archiveDirectory, this.archiveOutputDirectory);
-    // TODO: GopherArchiver
-  }
-
-  // Reads the posts into an array
-
-  async _readPosts() {
-
-    internals.debuglog('Reading posts');
-    const posts = [];
-
-    for (let i = 0; i < this.maxPosts; ++i) {
-      try {
-        posts.push(await this._readPost(i));
-      }
-      catch (error) {
-        if (error.code === kFileNotFoundError) {
-          internals.debuglog(`Skipping ${i}`);
-          continue;
-        }
-
-        throw error;
-      }
-    }
-
-    return posts;
-  }
-
-  // Reads an individual post
-
-  async _readPost(index = 0) {
-
-    const postSourcePath = join(this.postsDirectory, `${index}`);
-
-    internals.debuglog(`Reading ${postSourcePath}`);
-
-    await access(postSourcePath);
-
-    const metadata = await this._getMetadata(index);
-
-    const postContentPath = await this._findBlogContent(postSourcePath);
-    internals.debuglog(`Reading ${postContentPath}`);
-    const postContent = await readFile(postContentPath, { encoding: 'utf8' });
-
-    internals.debuglog('Parsing Gemini');
-    return {
-      ...metadata,
-      location: postSourcePath,
-      index,
-      html: RenderGemini(ParseGemini(postContent)),
-      raw: postContent
-    };
-  }
-
-  // Shift the posts, delete any remainder.
-
-  async _shift() {
-
-
-    for (let i = this.maxPosts - 1; i >= 1; --i) {
-      const targetPath = join(this.postsDirectory, `${i}`);
-      const sourcePath = join(this.postsDirectory, `${i - 1}`);
-
-      try {
-        internals.debuglog(`Archiving ${targetPath}`);
-        await rmIfExists(targetPath);
-        await access(sourcePath); // check the source path
-
-        internals.debuglog(`Shifting blog post ${sourcePath} to ${targetPath}`);
-        await cp(sourcePath, targetPath, { recursive: true });
-      }
-      catch (error) {
-        if (error.code === kFileNotFoundError) {
-          internals.debuglog(`Skipping ${sourcePath}: Does not exist.`);
-          continue;
-        }
-
-        throw error;
-      }
-    }
-  }
-
-  // Moves older posts to the archive
-
-  async _archive() {
-
-    internals.debuglog('Archiving post');
-    const post = await this._readPost(0);
-    await ensureDirectoryExists(this.archiveDirectory);
-
-    const targetPath = join(this.archiveDirectory, post.id);
-
-    internals.debuglog(`Removing ${targetPath}`);
-    await rmIfExists(targetPath);
-    internals.debuglog(`Adding ${post.location} to ${targetPath}`);
-    await ensureDirectoryExists(targetPath);
-    await cp(post.location, targetPath, { recursive: true });
-    internals.debuglog(`Added ${post.location} to ${targetPath}`);
-  }
-
-  // Attempts to read existing metadata. Otherwise generates new set.
-
-  async _getMetadata(index = 0) {
-
-    const metadataTarget = join(this.postsDirectory, String(index), internals.kMetadataFilename);
-
-    try {
-      internals.debuglog(`Looking for metadata at ${metadataTarget}`);
-      return JSON.parse(await readFile(metadataTarget, { encoding: 'utf8' }));
-    }
-    catch (e) {
-      internals.debuglog(`Metadata not found or unreadable. Generating new set.`);
-      const createdOn = Date.now();
-      const metadata = {
-        id: String(createdOn),
-        createdOn
-      };
-
-      return metadata;
-    }
-  }
-
-  // Writes metadata. Assumes post 0 since it only gets written
-  // on create
-
-  async _writeMetadata(metadata) {
-
-    const metadataTarget = join(this.postsDirectory, '0', internals.kMetadataFilename);
-    internals.debuglog(`Writing ${metadataTarget}`);
-    await writeFile(metadataTarget, JSON.stringify(metadata, null, 2));
-  }
-
-  // Copies a post file to the latest slot.
-
-  async _copyPost(postLocation) {
-
-    internals.debuglog(`Copying ${postLocation}`);
-    const targetPath = join(this.postsDirectory, '0');
-    const postName = basename(postLocation);
-    const targetPost = join(targetPath, postName);
-
-    await rmIfExists(targetPath);
-    await ensureDirectoryExists(targetPath);
-    await cp(postLocation, targetPost, { recursive: true });
-    internals.debuglog(`Added ${postLocation} to ${targetPath}`);
-  }
-
-  // Looks for a `.gmi` file in the blog directory, and returns the path
-
-  async _findBlogContent(directory) {
-
-    const entries = await readdir(directory);
-
-    const geminiEntries = entries
-      .filter((entry) => internals.kGeminiRe.test(entry))
-      .map((entry) => join(directory, entry));
-
-    if (geminiEntries.length > 0) {
-      internals.debuglog(`Found gemini file: ${geminiEntries[0]}`);
-      return geminiEntries[0];
-    }
-
-    throw new Error(internals.strings.geminiNotFound);
-  }
-
-  // Gets the template directory for a given template.
-  async _templateDirectoryFor(template) {
-
-    try {
-      await access(join(this.templatesDirectory, template));
-      return this.templatesDirectory;
-    }
-    catch (error) {
-      if (error.code === kFileNotFoundError) {
-        internals.debuglog(`No custom template for ${template}`);
-        return this.defaultTemplatesDirectory;
-      }
-
-      throw error;
-    }
-  }
-}
diff --git a/lib/generators/html.js b/lib/generators/html.js
deleted file mode 100644
index 2004696..0000000
--- a/lib/generators/html.js
+++ /dev/null
@@ -1,35 +0,0 @@
-import Dot from 'dot';
-import { readFile, writeFile } from 'fs/promises';
-import { join } from 'path';
-import { debuglog } from 'util';
-
-const internals = {
-  debuglog: debuglog('blog'),
-
-  kIndexName: 'index.html'
-};
-
-/**
- * Generates the blog index page
- *
- * @name HTMLGenerator
- * @param {string} source the source directory
- * @param {string} target the target directory
- * @param {Array.<Blog.tPost>} posts the list of posts
- */
-export default async function HTMLGenerator(source, target, posts) {
-
-  internals.debuglog('Generating HTML');
-  const indexTarget = join(target, internals.kIndexName);
-  const indexLocation = join(source, internals.kIndexName);
-
-  internals.debuglog(`Reading ${indexLocation}`);
-  const indexTemplate = await readFile(indexLocation, { encoding: 'utf8' });
-
-  internals.debuglog('Writing HTML');
-  const indexHtml = Dot.template(indexTemplate, {
-    ...Dot.templateSettings,
-    strip: false
-  })({ posts });
-  await writeFile(indexTarget, indexHtml);
-}
diff --git a/lib/generators/rss.js b/lib/generators/rss.js
deleted file mode 100644
index c47ba03..0000000
--- a/lib/generators/rss.js
+++ /dev/null
@@ -1,51 +0,0 @@
-import Dot from 'dot';
-import { encodeXML } from 'entities';
-import { readFile, writeFile } from 'fs/promises';
-import { join } from 'path';
-import { debuglog } from 'util';
-
-const internals = {
-  debuglog: debuglog('blog'),
-
-  kFeedName: 'feed.xml',
-
-  extractTitle(postText) {
-
-    return postText.trim()
-      .split('\n')[0]
-      .replace('#', '')
-      .replace(/&/g, '&amp;')
-      .trim();
-  }
-};
-
-/**
- * Generates an RSS feed XML file
- *
- * @name RSSGenerator
- * @param {string} source the source directory
- * @param {string} target the target directory
- * @param {Array.<Blog.tPost>} posts the list of posts
- */
-export default async function RSSGenerator(source, target, posts) {
-
-  internals.debuglog('Generating RSS');
-  const feedTarget = join(target, internals.kFeedName);
-  const feedLocation = join(source, internals.kFeedName);
-
-  internals.debuglog(`Reading ${feedLocation}`);
-  const feedTemplate = await readFile(feedLocation, { encoding: 'utf8' });
-
-  internals.debuglog('Writing RSS');
-  posts = posts.map((post) => ({
-    ...post,
-    createdOn: (new Date(post.createdOn)).toUTCString(),
-    title: internals.extractTitle(post.raw),
-    html: encodeXML(post.html)
-  }));
-  const feedXml = Dot.template(feedTemplate, {
-    ...Dot.templateSettings,
-    strip: false
-  })({ posts });
-  await writeFile(feedTarget, feedXml);
-}
diff --git a/lib/generators/static.js b/lib/generators/static.js
deleted file mode 100644
index 45f5a04..0000000
--- a/lib/generators/static.js
+++ /dev/null
@@ -1,48 +0,0 @@
-import { access, cp, readdir } from 'fs/promises';
-import { constants } from 'fs';
-import { join } from 'path';
-import { debuglog } from 'util';
-import { kFileNotFoundError } from '../constants.js';
-
-const internals = {
-  debuglog: debuglog('blog'),
-  kAssetsDirectoryName: 'assets'
-};
-
-/**
- * Generates the static assets required for the blog
- *
- * @name StaticGenerator
- * @param {string} source the source directory
- * @param {string} target the target directory
- * @param {Array.<Blog.tPost>} posts the list of posts
- */
-export default async function StaticGenerator(source, target, _) {
-
-  try {
-    await access(source, constants.R_OK);
-
-    const entries = await readdir(source, { withFileTypes: true });
-    for (const entry of entries) {
-      const sourceAsset = join(source, entry.name);
-      const targetAsset = join(target, entry.name);
-
-      internals.debuglog(`Copying ${sourceAsset} to ${targetAsset}`);
-
-      if (entry.isDirectory()) {
-        await cp(sourceAsset, targetAsset, { recursive: true });
-      }
-      else {
-        await cp(sourceAsset, targetAsset);
-      }
-    }
-  }
-  catch (error) {
-    if (error.code === kFileNotFoundError) {
-      internals.debuglog(`No static directory found in ${source}`);
-      return;
-    }
-
-    throw error;
-  }
-}
diff --git a/lib/generators/txt.js b/lib/generators/txt.js
deleted file mode 100644
index c3d7778..0000000
--- a/lib/generators/txt.js
+++ /dev/null
@@ -1,35 +0,0 @@
-import Dot from 'dot';
-import { readFile, writeFile } from 'fs/promises';
-import { join } from 'path';
-import { debuglog } from 'util';
-
-const internals = {
-  debuglog: debuglog('blog'),
-
-  kTextName: 'index.txt'
-};
-
-/**
- * Generates a TXT version of the blog
- *
- * @name TXTGenerator
- * @param {string} source the source directory
- * @param {string} target the target directory
- * @param {Array.<Blog.tPost>} posts the list of posts
- */
-export default async function TXTGenerator(source, target, posts) {
-
-  internals.debuglog('Generating TXT');
-  const textTarget = join(target, internals.kTextName);
-  const textLocation = join(source, internals.kTextName);
-
-  internals.debuglog(`Reading ${textLocation}`);
-  const textTemplate = await readFile(textLocation, { encoding: 'utf8' });
-
-  internals.debuglog('Writing TXT');
-  const text = Dot.template(textTemplate, {
-    ...Dot.templateSettings,
-    strip: false
-  })({ posts });
-  await writeFile(textTarget, text);
-}
diff --git a/lib/remote.js b/lib/remote.js
deleted file mode 100644
index ad0a4fc..0000000
--- a/lib/remote.js
+++ /dev/null
@@ -1,57 +0,0 @@
-import { readFile, writeFile } from 'fs/promises';
-import { rmIfExists } from './utils.js';
-
-import GitStrategy from './remotes/git.js';
-
-const internals = {
-  strings: {
-    configurationNotFound: 'Remote configuration not set, consult help for more info.'
-  },
-  strategies: [
-    GitStrategy
-  ]
-};
-
-export default {
-  async add(remoteConfig, remote) {
-
-    await writeFile(remoteConfig, remote);
-  },
-
-  async remove(remoteConfig) {
-
-    await rmIfExists(remoteConfig);
-  },
-
-  async syncUp(remoteConfig, blogDirectory) {
-
-    await this._executeMethodOnStrategy(remoteConfig, 'syncUp', blogDirectory);
-  },
-
-  async syncDown(remoteConfig, blogDirectory) {
-
-    await this._executeMethodOnStrategy(remoteConfig, 'syncDown', blogDirectory);
-  },
-
-  async _executeMethodOnStrategy(remoteConfig, method, blogDirectory) {
-
-    const remote = await this._ensureConfiguration(remoteConfig);
-
-    for (const strategy of internals.strategies) {
-      if (strategy.canHandle(remote)) {
-        await strategy[method](remote, blogDirectory);
-      }
-    }
-  },
-
-  async _ensureConfiguration(remoteConfig) {
-
-    try {
-      const configuration = await readFile(remoteConfig, { encoding: 'utf8' });
-      return configuration;
-    }
-    catch {
-      throw new Error(internals.strings.configurationNotFound);
-    }
-  }
-};
diff --git a/lib/remotes/git.js b/lib/remotes/git.js
deleted file mode 100644
index 75ef43e..0000000
--- a/lib/remotes/git.js
+++ /dev/null
@@ -1,35 +0,0 @@
-import { exec } from 'child_process';
-import { promisify } from 'util';
-
-const internals = {
-  // Promisified functions
-  exec: promisify(exec)
-};
-
-export default {
-  canHandle() {
-
-    // For the future: actually check if it's a valid git url
-    return true;
-  },
-
-  async syncUp(remote, blogDirectory) {
-
-    await internals.exec(`cd ${blogDirectory} && git init -b main`);
-    await internals.exec(`cd ${blogDirectory} && git add .`);
-    await internals.exec(`cd ${blogDirectory} && git commit --allow-empty -m blog-sync-up-${Date.now()}`);
-    await internals.exec(`cd ${blogDirectory} && git push ${remote} main --force`);
-  },
-
-  async syncDown(remote, blogDirectory) {
-
-    await internals.exec(`cd ${blogDirectory} && git init -b main`);
-    try {
-      await internals.exec(`cd ${blogDirectory} && git checkout .`);
-    }
-    catch {}
-
-    await internals.exec(`cd ${blogDirectory} && git clean . -f`);
-    await internals.exec(`cd ${blogDirectory} && git pull ${remote} main`);
-  }
-};
diff --git a/lib/utils.js b/lib/utils.js
deleted file mode 100644
index cee3f47..0000000
--- a/lib/utils.js
+++ /dev/null
@@ -1,34 +0,0 @@
-import { access, constants, mkdir, rm } from 'fs/promises';
-import { kFileNotFoundError } from './constants.js';
-
-// File system utilities
-
-export const rmIfExists = async function rmIfExists(location) {
-
-  try {
-    await access(location, constants.F_OK);
-    await rm(location, { recursive: true });
-  }
-  catch (error) {
-    if (error.code === kFileNotFoundError) {
-      return;
-    }
-
-    throw error;
-  }
-};
-
-export const ensureDirectoryExists = async function ensureDirectoryExists(directory) {
-
-  try {
-    await access(directory);
-  }
-  catch (error) {
-    if (error.code === kFileNotFoundError) {
-      await mkdir(directory, { recursive: true });
-      return;
-    }
-
-    throw error;
-  }
-};
diff --git a/src/command/add_remote.rs b/src/command/add_remote.rs
index ad7be83..040e572 100644
--- a/src/command/add_remote.rs
+++ b/src/command/add_remote.rs
@@ -1,6 +1,6 @@
-use std::fs::{create_dir_all, write};
 use std::io::Result;
 use crate::configuration::Configuration;
+use crate::remote::add;
 
 pub struct AddRemote;
 
@@ -16,10 +16,8 @@ impl super::Command for AddRemote {
     }
 
     fn execute(&self, input: Option<&String>, configuration: &Configuration, _: &String) -> Result<()> {
-        create_dir_all(&configuration.config_directory)?;
         let input = input.expect("You must provide a location for the remote.");
-        write(&configuration.remote_config, input)?;
-        return Ok(())
+        add(&configuration.config_directory, &configuration.remote_config, input)
     }
 
     fn after_dependencies(&self) -> Vec<Box<dyn super::Command>> {
diff --git a/src/command/remove_remote.rs b/src/command/remove_remote.rs
index b2f554c..7590487 100644
--- a/src/command/remove_remote.rs
+++ b/src/command/remove_remote.rs
@@ -1,6 +1,6 @@
-use std::fs::remove_file;
 use std::io::Result;
 use crate::configuration::Configuration;
+use crate::remote::remove;
 
 pub struct RemoveRemote;
 
@@ -16,10 +16,7 @@ impl super::Command for RemoveRemote {
     }
 
     fn execute(&self, _: Option<&String>, configuration: &Configuration, _: &String) -> Result<()> {
-        if configuration.remote_config.exists() {
-            remove_file(&configuration.remote_config)?;
-        }
-        return Ok(())
+        remove(&configuration.remote_config)
     }
 
     fn after_dependencies(&self) -> Vec<Box<dyn super::Command>> {
diff --git a/src/command/sync_down.rs b/src/command/sync_down.rs
index dc4114e..bba34b2 100644
--- a/src/command/sync_down.rs
+++ b/src/command/sync_down.rs
@@ -1,6 +1,6 @@
-use std::fs::create_dir_all;
-use std::io::{Result, Error};
+use std::io::{Result};
 use crate::configuration::Configuration;
+use crate::remote::sync_down;
 
 pub struct SyncDown;
 
@@ -16,16 +16,10 @@ impl super::Command for SyncDown {
     }
 
     fn execute(&self, _: Option<&String>, configuration: &Configuration, command: &String) -> Result<()> {
-        match create_dir_all(&configuration.data_directory) {
-            Ok(_) => {
-                // We only care to show these warnings if this is the primary command.
-                if command == self.command() {
-                    println!("WARNING: Sync Down Not yet implemented");
-                }
-                return Ok(())
-            },
-            Err(e) => Err(Error::new(e.kind(), format!("Could not create data directory")))
+        if command == self.command() {
+            return sync_down(&configuration.data_directory, &configuration.remote_config);
         }
+        return Ok(())
     }
 
     fn after_dependencies(&self) -> Vec<Box<dyn super::Command>> {
diff --git a/src/command/sync_up.rs b/src/command/sync_up.rs
index 635de10..a5d2a4c 100644
--- a/src/command/sync_up.rs
+++ b/src/command/sync_up.rs
@@ -1,5 +1,6 @@
 use std::io::Result;
 use crate::configuration::Configuration;
+use crate::remote::sync_up;
 
 pub struct SyncUp;
 
@@ -14,9 +15,8 @@ impl super::Command for SyncUp {
         vec![]
     }
 
-    fn execute(&self, input: Option<&String>, _: &Configuration, _: &String) -> Result<()> {
-        println!("Sync Up: {:?}!", input);
-        return Ok(())
+    fn execute(&self, _: Option<&String>, configuration: &Configuration, _: &String) -> Result<()> {
+        sync_up(&configuration.data_directory, &configuration.remote_config)
     }
 
     fn after_dependencies(&self) -> Vec<Box<dyn super::Command>> {
diff --git a/src/main.rs b/src/main.rs
index a0a9fef..8867dc0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,6 +9,7 @@ mod metadata;
 mod post;
 mod template;
 mod utils;
+mod remote;
 
 use std::iter::once;
 use std::env::args;
diff --git a/src/remote/git.rs b/src/remote/git.rs
new file mode 100644
index 0000000..a4c1c28
--- /dev/null
+++ b/src/remote/git.rs
@@ -0,0 +1,60 @@
+use std::io::Result;
+use std::path::PathBuf;
+use std::process::Command;
+use std::time::{SystemTime, UNIX_EPOCH};
+
+pub struct Git;
+
+impl Git {
+    pub fn new() -> Self {
+        Git
+    }
+}
+
+impl super::Remote for Git {
+    fn can_handle(&self, _: &str) -> bool {
+        // If we ever implement another remote we will want a check strategy
+        true
+    }
+
+    fn sync_up(&self, remote: &str, directory: &PathBuf) -> Result<()> {
+        let timestamp = SystemTime::now().duration_since(UNIX_EPOCH)
+            .expect("Invalid time")
+            .as_millis();
+
+        let commands = vec![
+            format!("cd {} && git init -b main", directory.display()),
+            format!("cd {} && git add .", directory.display()),
+            format!("cd {} && git commit --allow-empty -m blog-sync-up-{}", directory.display(), timestamp),
+            format!("cd {} && git push {} main --force", directory.display(), remote),
+        ];
+
+        for command in commands {
+            Command::new("sh")
+                .arg("-c")
+                .arg(&command)
+                .status()
+                .expect("Failed while performing sync up with git");
+        }
+
+        Ok(())
+    }
+
+    fn sync_down(&self, remote: &str, directory: &PathBuf) -> Result<()> {
+        let commands = vec![
+            format!("cd {} && git init -b main", directory.display()),
+            format!("cd {} && git checkout .", directory.display()),
+            format!("cd {} && git clean . -f", directory.display()),
+            format!("cd {} && git pull {} main", directory.display(), remote),
+        ];
+
+        for command in commands {
+            Command::new("sh")
+                .arg("-c")
+                .arg(&command)
+                .status()
+                .expect("Failed while performing sync down with git");
+        }
+        Ok(())
+    }
+}
diff --git a/src/remote/mod.rs b/src/remote/mod.rs
index e69de29..de90ef5 100644
--- a/src/remote/mod.rs
+++ b/src/remote/mod.rs
@@ -0,0 +1,65 @@
+mod git;
+
+use std::fs::{create_dir_all, remove_file, write, File};
+use std::io::{Error, ErrorKind::Other, Read, Result};
+use std::path::PathBuf;
+
+use git::Git;
+
+pub trait Remote {
+    fn can_handle(&self, remote: &str) -> bool;
+    fn sync_up(&self, remote: &str, directory: &PathBuf) -> Result<()>;
+    fn sync_down(&self, remote: &str, directory: &PathBuf) -> Result<()>;
+}
+
+pub fn add(config_directory: &PathBuf, remote_config: &PathBuf, remote: &String) -> Result<()> {
+    create_dir_all(config_directory)?;
+    write(remote_config, remote)?;
+    Ok(())
+}
+
+pub fn remove(remote_config: &PathBuf) -> Result<()> {
+    if remote_config.exists() {
+        remove_file(remote_config)?
+    }
+    Ok(())
+}
+
+pub fn sync_up(data_directory: &PathBuf, remote_config: &PathBuf) -> Result<()> {
+    let remote_address = read_remote(remote_config)
+        .expect("No remote is configured");
+    create_dir_all(data_directory)?;
+    let remotes = available_remotes();
+    for remote in remotes {
+        if remote.can_handle(&remote_address) {
+            return remote.sync_up(&remote_address, data_directory);
+        }
+    }
+    Err(Error::new(Other, "No valid strategies found for your configured remote."))
+}
+
+pub fn sync_down(data_directory: &PathBuf, remote_config: &PathBuf) -> Result<()> {
+    let remote_address = read_remote(remote_config)
+        .expect("No remote is configured");
+    create_dir_all(data_directory)?;
+    let remotes = available_remotes();
+    for remote in remotes {
+        if remote.can_handle(&remote_address) {
+            return remote.sync_down(&remote_address, data_directory);
+        }
+    }
+    Err(Error::new(Other, "No valid strategies found for your configured remote."))
+}
+
+fn available_remotes() -> Vec<Box<dyn Remote>> {
+    vec![
+        Box::new(Git::new())
+    ]
+}
+
+fn read_remote(file_path: &PathBuf) -> Option<String> {
+    let mut file = File::open(file_path).ok()?;
+    let mut contents = String::new();
+    file.read_to_string(&mut contents).ok()?;
+    Some(contents)
+}