skvl · June 27, 2019 06:27 · Jun 17, 2012 · Jun 17, 2012 · Jun 15, 2012 · Jun 15, 2012
diff --git a/push_to_github.rb b/push_to_github.rb
@@ -1,17 +1,15 @@
 # Committing changes to a repo via the Github API is not entirely trivial.
-#
 # The five-step process is outlined here:
 #   http://developer.github.com/v3/git/
 #
-# And Matt Swanson wrote a blog post translating this into actual API calls:
+# Matt Swanson wrote a blog post translating the above steps into actual API calls:
 #   http://swanson.github.com/blog/2011/07/23/digging-around-the-github-api-take-2.html
 # 
 # I was not able to find sample code for actually doing this in Ruby, 
 # either via the HTTP API or any of the gems that wrap the API.
-# 
 # So in the hopes it will help others, here is a simple function to 
 # commit a single file to github via the API.  The code only handles 
-# the simple case of committing a single file to the master branch,
+# the case of committing a single file to the master branch,
 # but should be easy to modify for your own needs.
 # 
 # Note also that we use HTTP basic auth, not OAuth, in this example.

diff --git a/push_to_github.rb b/push_to_github.rb
@@ -48,7 +48,7 @@ def push_to_github(params)
   branch = github(:get, repo, "refs/heads/master")
   last_commit_sha = branch['object']['sha']
 
-  # create the last commit
+  # get the last commit
   # see http://developer.github.com/v3/git/commits/
   last_commit = github :get, repo, "commits/#{last_commit_sha}"
   last_tree_sha = last_commit['tree']['sha']

diff --git a/push_to_github.rb b/push_to_github.rb
@@ -16,13 +16,14 @@
 # 
 # Note also that we use HTTP basic auth, not OAuth, in this example.
 #
-# Usage:
+# Prerequisites:
 #
 #   $ gem install rest-client
-#
 #   $ export GH_USERNAME=xxxx
 #   $ export GH_PASSWORD=yyyy
 #
+# Usage:
+#
 #   push_to_github :path => "path/to/file.txt", :content => "hello commit", :repo => 'test'
 #
 # In the above example, the repo 'test' must be owned by GH_USERNAME, and have at least one commit.

diff --git a/push_to_github.rb b/push_to_github.rb
@@ -44,7 +44,7 @@ def push_to_github(params)
 
   # get the head of the master branch
   # see http://developer.github.com/v3/git/refs/
-  branch = github :get, repo, "refs/heads/master"
+  branch = github(:get, repo, "refs/heads/master")
   last_commit_sha = branch['object']['sha']
 
   # create the last commit
@@ -62,21 +62,23 @@ def push_to_github(params)
   # create commit
   # see http://developer.github.com/v3/git/commits/
   new_commit = github :post, repo, :commits,
-                      :parents => [last_commit],
+                      :parents => [last_commit_sha],
                       :tree => new_content_tree_sha,
                       :message => 'commit via api'
   new_commit_sha = new_commit['sha']
 
   # update branch to point to new commit
   # see http://developer.github.com/v3/git/refs/
-  github :patch, repo, "/refs/heads/master",
+  github :patch, repo, "refs/heads/master",
          :sha => new_commit_sha
 end
 
 def github(method, repo, resource, params={})
-  JSON.parse RestClient.send(method,
-                             "https://#{ENV['GITHUB_USER']}:#{ENV['GITHUB_PASS']}@api.github.com" +
-                               "/repos/#{ENV['GITHUB_USER']}/#{repo}/git/#{resource}",
-                             params.to_json, :content_type => :json, :accept => :json
-             )
-end
+  resource_url = "https://#{ENV['GITHUB_USER']}:#{ENV['GITHUB_PASS']}@api.github.com" +
+    "/repos/#{ENV['GITHUB_USER']}/#{repo}/git/#{resource}"
+  if params.empty?
+    JSON.parse RestClient.send(method, resource_url)
+  else
+    JSON.parse RestClient.send(method, resource_url, params.to_json, :content_type => :json, :accept => :json)
+  end
+end
diff --git a/push_to_github.rb b/push_to_github.rb
@@ -1,4 +1,4 @@
-# Committing changes to a repo via the Github API is not so simple.
+# Committing changes to a repo via the Github API is not entirely trivial.
 #
 # The five-step process is outlined here:
 #   http://developer.github.com/v3/git/
@@ -13,6 +13,8 @@
 # commit a single file to github via the API.  The code only handles 
 # the simple case of committing a single file to the master branch,
 # but should be easy to modify for your own needs.
+# 
+# Note also that we use HTTP basic auth, not OAuth, in this example.
 #
 # Usage:
 #
@@ -39,9 +41,14 @@
 
 def push_to_github(params)
   repo = params[:repo]
+
+  # get the head of the master branch
+  # see http://developer.github.com/v3/git/refs/
   branch = github :get, repo, "refs/heads/master"
   last_commit_sha = branch['object']['sha']
 
+  # create the last commit
+  # see http://developer.github.com/v3/git/commits/
   last_commit = github :get, repo, "commits/#{last_commit_sha}"
   last_tree_sha = last_commit['tree']['sha']
 

diff --git a/push_to_github.rb b/push_to_github.rb
@@ -1,20 +1,32 @@
-# gem install rest-client
+# Committing changes to a repo via the Github API is not so simple.
 #
-# export GH_USERNAME=xxxx
-# export GH_PASSWORD=yyyy
+# The five-step process is outlined here:
+#   http://developer.github.com/v3/git/
+#
+# And Matt Swanson wrote a blog post translating this into actual API calls:
+#   http://swanson.github.com/blog/2011/07/23/digging-around-the-github-api-take-2.html
+# 
+# I was not able to find sample code for actually doing this in Ruby, 
+# either via the HTTP API or any of the gems that wrap the API.
+# 
+# So in the hopes it will help others, here is a simple function to 
+# commit a single file to github via the API.  The code only handles 
+# the simple case of committing a single file to the master branch,
+# but should be easy to modify for your own needs.
 #
 # Usage:
+#
+#   $ gem install rest-client
+#
+#   $ export GH_USERNAME=xxxx
+#   $ export GH_PASSWORD=yyyy
+#
 #   push_to_github :path => "path/to/file.txt", :content => "hello commit", :repo => 'test'
 #
 # In the above example, the repo 'test' must be owned by GH_USERNAME, and have at least one commit.
 #
 # No news is good news.  If you don't raise exceptions, you should see the commit in your repo.
 #
-# Inspirations: 
-#   - http://swanson.github.com/blog/2011/07/23/digging-around-the-github-api-take-2.html
-#   - http://developer.github.com/v3/git/
-#   - http://news.ycombinator.com/item?id=2746877
-#
 # CC0 Public Domain Dedication
 # To the extent possible under law, Harlan T Wood
 # has waived all copyright and related or neighboring

diff --git a/push_to_github.rb b/push_to_github.rb
@@ -10,6 +10,11 @@
 #
 # No news is good news.  If you don't raise exceptions, you should see the commit in your repo.
 #
+# Inspirations: 
+#   - http://swanson.github.com/blog/2011/07/23/digging-around-the-github-api-take-2.html
+#   - http://developer.github.com/v3/git/
+#   - http://news.ycombinator.com/item?id=2746877
+#
 # CC0 Public Domain Dedication
 # To the extent possible under law, Harlan T Wood
 # has waived all copyright and related or neighboring

diff --git a/LICENSE_CC0.html b/LICENSE_CC0.html
@@ -1,11 +0,0 @@
-<p xmlns:dct="http://purl.org/dc/terms/">
-  <a rel="license"
-     href="http://creativecommons.org/publicdomain/zero/1.0/">
-    <img src="http://i.creativecommons.org/p/zero/1.0/88x31.png" style="border-style: none;" alt="CC0" />
-  </a>
-  <br />
-  To the extent possible under law,
-  <span rel="dct:publisher" resource="[_:publisher]">the person who associated CC0</span>
-  with this work has waived all copyright and related or neighboring
-  rights to this work.
-</p>

diff --git a/push_to_github.rb b/push_to_github.rb
@@ -10,6 +10,12 @@
 #
 # No news is good news.  If you don't raise exceptions, you should see the commit in your repo.
 #
+# CC0 Public Domain Dedication
+# To the extent possible under law, Harlan T Wood
+# has waived all copyright and related or neighboring
+# rights to this work.
+# http://creativecommons.org/publicdomain/zero/1.0/
+#
 
 require 'rest_client'
 require 'json'
@@ -49,4 +55,4 @@ def github(method, repo, resource, params={})
                                "/repos/#{ENV['GITHUB_USER']}/#{repo}/git/#{resource}",
                              params.to_json, :content_type => :json, :accept => :json
              )
-end
+end
diff --git a/LICENSE_CC0.html b/LICENSE_CC0.html
@@ -0,0 +1,11 @@
+<p xmlns:dct="http://purl.org/dc/terms/">
+  <a rel="license"
+     href="http://creativecommons.org/publicdomain/zero/1.0/">
+    <img src="http://i.creativecommons.org/p/zero/1.0/88x31.png" style="border-style: none;" alt="CC0" />
+  </a>
+  <br />
+  To the extent possible under law,
+  <span rel="dct:publisher" resource="[_:publisher]">the person who associated CC0</span>
+  with this work has waived all copyright and related or neighboring
+  rights to this work.
+</p>
diff --git a/push_to_github.rb b/push_to_github.rb
@@ -0,0 +1,52 @@
+# gem install rest-client
+#
+# export GH_USERNAME=xxxx
+# export GH_PASSWORD=yyyy
+#
+# Usage:
+#   push_to_github :path => "path/to/file.txt", :content => "hello commit", :repo => 'test'
+#
+# In the above example, the repo 'test' must be owned by GH_USERNAME, and have at least one commit.
+#
+# No news is good news.  If you don't raise exceptions, you should see the commit in your repo.
+#
+
+require 'rest_client'
+require 'json'
+
+def push_to_github(params)
+  repo = params[:repo]
+  branch = github :get, repo, "refs/heads/master"
+  last_commit_sha = branch['object']['sha']
+
+  last_commit = github :get, repo, "commits/#{last_commit_sha}"
+  last_tree_sha = last_commit['tree']['sha']
+
+  # create tree object (also implicitly creates a blob based on content)
+  # see http://developer.github.com/v3/git/trees/
+  new_content_tree = github :post, repo, :trees,
+                            :base_tree => last_tree_sha,
+                            :tree => [{:path => params[:path], :content => params[:content], :mode => '100644'}]
+  new_content_tree_sha = new_content_tree['sha']
+
+  # create commit
+  # see http://developer.github.com/v3/git/commits/
+  new_commit = github :post, repo, :commits,
+                      :parents => [last_commit],
+                      :tree => new_content_tree_sha,
+                      :message => 'commit via api'
+  new_commit_sha = new_commit['sha']
+
+  # update branch to point to new commit
+  # see http://developer.github.com/v3/git/refs/
+  github :patch, repo, "/refs/heads/master",
+         :sha => new_commit_sha
+end
+
+def github(method, repo, resource, params={})
+  JSON.parse RestClient.send(method,
+                             "https://#{ENV['GITHUB_USER']}:#{ENV['GITHUB_PASS']}@api.github.com" +
+                               "/repos/#{ENV['GITHUB_USER']}/#{repo}/git/#{resource}",
+                             params.to_json, :content_type => :json, :accept => :json
+             )
+end
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