diff --git a/.gitignore b/.gitignore
index d9d0210..68fd4d7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,5 @@ shepich resume.pdf
 tmp
 build
 dist
-**/__pycache__
\ No newline at end of file
+**/__pycache__
+custom.yaml
\ No newline at end of file
diff --git a/config.yaml b/config.yaml
index 6a9c028..93a5532 100644
--- a/config.yaml
+++ b/config.yaml
@@ -17,7 +17,8 @@ sites:
     title: Resume
     base_url: http://localhost:8000
     web_root: ./dist
-    git_repo: ssh://gitea/jim/resume.git
+    git_repo: 
+      url: ssh://gitea/jim/resume.git
     build_cache: ./build/resume
     assets: 
       - 'shepich_resume.pdf'
@@ -26,7 +27,9 @@ sites:
     title: Dogma Jimfinium
     description: May it bolster the skills of all who read it.
     base_url: http://localhost:8000/dogma-jimfinium
-    git_repo: ssh://gitea/jim/dogma-jimfinium.git
+    git_repo: 
+      url: ssh://gitea/jim/dogma-jimfinium.git
+      branch: pub
     build_cache: ./build/dogma-jimfinium
     web_root: ./dist/dogma-jimfinium
     assets:
diff --git a/jimsite/__init__.py b/jimsite/__init__.py
index f8b83e5..76f716a 100644
--- a/jimsite/__init__.py
+++ b/jimsite/__init__.py
@@ -1,13 +1,5 @@
 import os
-import re
-import glob
-import shutil
-import subprocess
-import markdown
 import yaml
-import pydantic
-from typing import Optional
-from datetime import datetime, date
 from dotmap import DotMap
 import logging
 
@@ -21,13 +13,8 @@ from .articles import ArticleMetadata, load_markdown, build_articles, build_inde
 from .blog import build_blog_archive, build_rss_feed
 
 
-
-
-
-
-
-
 def build_site(site: SiteConfig, templates: DotMap):
+    '''The pipeline for building a site defined in config.yaml.'''
 
     logger.info(f'Building site "{site.title}".')
 
@@ -74,9 +61,11 @@ def build_site(site: SiteConfig, templates: DotMap):
     else:
         logger.debug('Addon "rss" not elected.')
 
-def main():
+
+def build(config_filepath = './config.yaml'):
+    '''Pipeline for building the entire website, including all sites defined in config.yaml.'''
     logger.info('Loading config.')
-    with open('./config.yaml', 'r') as config_file:
+    with open(config_filepath, 'r') as config_file:
         config = yaml.safe_load(config_file.read())
     
     logger.info('Loading global templates.')
@@ -85,6 +74,5 @@ def main():
     for site in config['sites'].values():
         build_site(SiteConfig(**site), templates)
     
-if __name__ == '__main__':
-   main()
+
 
diff --git a/jimsite/__main__.py b/jimsite/__main__.py
new file mode 100644
index 0000000..e6cf236
--- /dev/null
+++ b/jimsite/__main__.py
@@ -0,0 +1,15 @@
+import argparse
+from jimsite import build
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+        prog='Jimsite',
+        description='A Python-based templating engine for building static websites from Markdown documents.',
+        epilog='Gonna be a hot one!'
+    )
+
+    parser.add_argument('-c', '--config', type=str, default='config.yaml', help='Specifies the path to a YAML config file; defaults to config.yaml in the CWD.')
+    
+    args = parser.parse_args()
+
+    build(config_filepath = args.config)
\ No newline at end of file
diff --git a/jimsite/articles.py b/jimsite/articles.py
index 7a449dd..ec803b1 100644
--- a/jimsite/articles.py
+++ b/jimsite/articles.py
@@ -11,6 +11,7 @@ from .common import filepath_or_string, SiteConfig
 from .templating import format_html_template, TemplateSelections
 
 class ArticleMetadata(pydantic.BaseModel):
+    '''A model for the YAML frontmatter included with Markdown articles.'''
     title: str
     date: date
     published: bool
@@ -21,6 +22,8 @@ class ArticleMetadata(pydantic.BaseModel):
     description: Optional[str] = None
     
 class Article(pydantic.BaseModel):
+    '''A model for a Markdown article, including its YAML frontmatter
+    metadata, as well as its path relative to the build cache root.'''
     path: str
     content: str
     metadata: Optional[ArticleMetadata] = None
diff --git a/jimsite/assets.py b/jimsite/assets.py
index c397b60..70f13dd 100644
--- a/jimsite/assets.py
+++ b/jimsite/assets.py
@@ -1,20 +1,30 @@
 import os
 import glob
 import shutil
-from .common import run, SiteConfig
+from .common import run, GitRepo, SiteConfig
 
 
-# TODO: Add support for origin and branch.
-def pull_git_repo(repo: str, build_cache: str) -> None:
+def pull_git_repo(repo: GitRepo, build_cache: str) -> None:
     '''Pulls/clones a repo into the build cache directory.'''
+
+    # If a repo exists in the build cache, pull to it.
     if os.path.exists(f'{build_cache}/.git'):
-        run(f'git -C {build_cache} pull origin')
+
+        # If a branch is specified, check out to it.
+        if repo.branch is not None:
+            run(f"git checkout {repo.branch}")
+        run(f"git -C {build_cache} pull {repo.remote}{' '+repo.branch if repo.branch else ''}")
+    
+    # If the build cache is empty, clone the repo into it.
     else: 
-        run(f'git clone {repo} {build_cache}')
+        run(f"git clone {repo.url}{(' -b '+repo.branch) if repo.branch else ''} -o {repo.remote} {build_cache}")
 
 
-def copy_assets(site: SiteConfig):
-    '''Copies the list of site assets from the build cache to the web root.'''
+def copy_assets(site: SiteConfig) -> None:
+    '''Copies the list of site assets from the build cache to the web root.
+    The asset list can include globs (*). All paths are resolved relative to
+    the build cache root, and will be copied to an analogous location in the 
+    web root.'''
     
     # Expand any globbed expressions.
     expanded_asset_list = []
@@ -28,7 +38,7 @@ def copy_assets(site: SiteConfig):
         
         # Construct the destination path analogous to the source path
         # but in the web root instead of the build cache.
-        destination = f'{site.web_root}/{a.lstrip("/")}'
+        destination = f'{site.web_root}/What the program does{a.lstrip("/")}'
 
         # Delete existing files.
         shutil.rmtree(destination, ignore_errors=True)
diff --git a/jimsite/common.py b/jimsite/common.py
index 4ee97fc..05752b3 100644
--- a/jimsite/common.py
+++ b/jimsite/common.py
@@ -25,6 +25,11 @@ class GlobalVars(pydantic.BaseModel):
     '''Static-valued global variables to be interpolated into any HTML templates.'''
     today: date = datetime.today()
 
+class GitRepo(pydantic.BaseModel):
+    '''A nested model used in SiteConfig to represent a Git repo.'''
+    url: str
+    branch: Optional[str] = None
+    remote: Optional[str] = 'origin'
 
 class SiteConfig(pydantic.BaseModel):
     base_url: str
@@ -33,7 +38,7 @@ class SiteConfig(pydantic.BaseModel):
     title: str
     description: Optional[str] = None
     published: Optional[bool] = True
-    git_repo: Optional[str] = None
+    git_repo: Optional[GitRepo] = None
     assets: Optional[list] = None
     articles: Optional[list] = None
     template_selections: Optional[dict] = {}
diff --git a/site/templates/components/blog_archive.html b/site/templates/components/blog_archive.html
index e552559..2315645 100644
--- a/site/templates/components/blog_archive.html
+++ b/site/templates/components/blog_archive.html
@@ -6,5 +6,7 @@
     <br />
     <h2>Post History</h2>
     {content}
+    <br /><hr /><br />
+    <p>Last Updated: {globalvars.today}<span>{templates.components.rss_icon}</span></p>
 </article>
 <script src="/assets/js/blog_archive_query.js"></script>
\ No newline at end of file