Add new "Insta Diff" command to do [Show] immediately

Closes #57

Author: frou

Keymaps/Default (Linux).sublime-keymap

@@ -1,4 +1,6 @@
 [
   {"keys": ["ctrl+shift+q"], "command": "blame"},
-  {"keys": ["ctrl+shift+c"], "command": "blame_show_all"}
+  {"keys": ["ctrl+shift+c"], "command": "blame_show_all"},
+  //{"keys": ["f5"],           "command": "toggle_inline_git_blame"},
+  //{"keys": ["f8"],           "command": "blame_insta_diff"},
 ]

Keymaps/Default (OSX).sublime-keymap

@@ -1,6 +1,6 @@
 [
   {"keys": ["ctrl+alt+b"],       "command": "blame"},
   {"keys": ["ctrl+alt+shift+b"], "command": "blame_show_all"},
-
-  //{"keys": ["f8"], "command": "toggle_inline_git_blame"},
+  //{"keys": ["f5"],               "command": "toggle_inline_git_blame"},
+  //{"keys": ["f8"],               "command": "blame_insta_diff"},
 ]

Keymaps/Default (Windows).sublime-keymap

@@ -1,4 +1,6 @@
 [
   {"keys": ["ctrl+alt+b"],       "command": "blame"},
-  {"keys": ["ctrl+alt+shift+b"], "command": "blame_show_all"}
+  {"keys": ["ctrl+alt+shift+b"], "command": "blame_show_all"},
+  // {"keys": ["f5"],               "command": "toggle_inline_git_blame"},
+  // {"keys": ["f8"],               "command": "blame_insta_diff"},
 ]

boot.py

@@ -3,6 +3,8 @@
 from .src.blame import *  # noqa: F401,F403
 from .src.blame_all import *  # noqa: F401,F403
 from .src.blame_inline import *  # noqa: F401,F403
+from .src.blame_instadiff import *  # noqa: F401,F403
+
 
 def plugin_loaded():
     pass

src/blame.py

@@ -6,9 +6,6 @@
 from .base import BaseBlame
 from .templates import blame_phantom_css, blame_phantom_html_template
 
-# @todo Make a command to open the latest diff ("CommitDescription") for the current line in a single keystroke.
-# @body Currently it takes a keystroke and then a mouse click on "Show"
-
 
 class Blame(BaseBlame, sublime_plugin.TextCommand):
 

src/blame_instadiff.py

@@ -0,0 +1,60 @@
+from urllib.parse import quote_plus
+
+import sublime_plugin
+
+from .base import BaseBlame
+
+
+class BlameInstaDiff(BaseBlame, sublime_plugin.TextCommand):
+
+    # Overrides (TextCommand) ----------------------------------------------------------
+
+    def run(self, edit):
+        if not self.has_suitable_view():
+            self.tell_user_to_save()
+            return
+
+        if len(self.view.sel()) != 1:
+            self.communicate_error(
+                "{0} requires there to be exactly 1 selection".format(
+                    self.__class__.__name__
+                )
+            )
+            return
+        sel0 = self.view.sel()[0]
+
+        row_num, _ = self.view.rowcol(sel0.begin())
+        line_num = row_num + 1
+        try:
+            blame_output = self.get_blame_text(self.view.file_name(), line_num=line_num)
+        except Exception as e:
+            self.communicate_error(e)
+            return
+
+        blame = self.parse_line(blame_output)
+        if not blame:
+            self.communicate_error(
+                "Failed to parse anything for {0}. Has git's output format changed?".format(
+                    self.__class__.__name__
+                )
+            )
+            return
+
+        href = "show?sha={0}".format(quote_plus(blame["sha_normalised"]))
+        self.handle_phantom_button(href)
+
+    # Overrides (BaseBlame) ------------------------------------------------------------
+
+    def _view(self):
+        return self.view
+
+    def close_by_user_request(self):
+        raise NotImplementedError()
+
+    def extra_cli_args(self, line_num):
+        return ["-L", "{0},{0}".format(line_num)]
+
+    def rerun(self, **kwargs):
+        self.run(None)
+
+    # Overrides end --------------------------------------------------------------------