Add button to show the commit in full

git-blame.py

@@ -33,12 +33,12 @@
 template = '''
 <span>
 {scheme}
-<strong>Git Blame:</strong> ({user})
+&nbsp;<strong>Git Blame:</strong> ({user})
 Updated: {date} {time} |
-<a href="copy-{sha}">[{sha}]</a> |
-<a href="close">
-<close>&#10006;</close>&nbsp;
-</a>
+{sha}
+<a href="copy-{sha}">[Copy]</a>
+<a href="show-{sha}">[Show]</a>
+<a href="close"><close>[X]</close></a>&nbsp;
 </span>
 '''
 
@@ -82,10 +82,32 @@ def parse_blame(self, blame):
 
         return(sha, user[1:], date, time)
 
+    def get_commit(self, sha, path):
+        try:
+            return shell(["git", "show", sha],
+                cwd=os.path.dirname(os.path.realpath(path)),
+                startupinfo=si)
+        except Exception as e:
+            return
+
     def on_phantom_close(self, href):
-        if href.startswith('copy'):
-            sha = href.replace('copy-','')
-            sublime.set_clipboard(sha)
+        href_parts = href.split('-')
+
+        if len(href_parts) > 1:
+            intent = href_parts[0]
+            sha = href_parts[1]
+            # The SHA output by git-blame may have a leading caret to indicate
+            # that it is a "boundary commit". That useful information has
+            # already been shown in the phantom, so strip it before going on to
+            # use the SHA programmatically.
+            sha = sha.strip('^')
+
+            if intent == "copy":
+                sublime.set_clipboard(sha)
+            elif intent == "show":
+                desc = self.get_commit(sha, self.view.file_name()).decode('utf-8')
+                buf = self.view.window().new_file()
+                buf.run_command('insert_commit_description', {'desc': desc})
 
         self.view.erase_phantoms('git-blame')
 
@@ -114,3 +136,13 @@ def run(self, edit):
             phantom = sublime.Phantom(line, body, sublime.LAYOUT_BLOCK, self.on_phantom_close)
             phantoms.append(phantom)
         self.phantom_set.update(phantoms)
+
+
+class InsertCommitDescriptionCommand(sublime_plugin.TextCommand):
+
+    def run(self, edit, desc):
+        view = self.view
+        view.set_scratch(True)
+        view.set_syntax_file('Packages/Diff/Diff.sublime-syntax')
+        view.insert(edit, 0, desc)
+