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pry-git

(C) John Mair (banisterfiend) 2011

A Ruby-aware git layer

Retrieve blame, perform diffs, make commits using the natural units of Ruby code.

pry-git enables you to diff an individual method , it can show you the blame for a method and ultimately allow you to commit 'methods' (rather than amorphous 'hunks' of code).

pry-git is a plugin for the pry REPL.

pry-git is very much proof of concept right now, stay tuned!

Example: blame

pry(main)> git blame Pry#repl
John Mair   def repl(target=TOPLEVEL_BINDING)
John Mair     target = Pry.binding_for(target)
John Mair     target_self = target.eval('self')
John Mair
John Mair     repl_prologue(target)
Mon ouïe
John Mair     # cannot rely on nesting.level as
John Mair     # nesting.level changes with new sessions
John Mair     nesting_level = nesting.size
John Mair
John Mair     break_data = catch(:breakout) do
John Mair       nesting.push [nesting.size, target_self, self]
John Mair       loop do
John Mair         rep(target)
John Mair       end
John Mair     end
John Mair
John Mair     return_value = repl_epilogue(target, nesting_level, break_data)
Lee Jarvis    return_value || target_self
John Mair   end

Example: diff

pry(main)> git diff Pry#repl
   def repl(target=TOPLEVEL_BINDING)
+
+    # hey baby
     target = Pry.binding_for(target)
     target_self = target.eval('self')

+    # bink
     repl_prologue(target)

     # cannot rely on nesting.level as
     # nesting.level changes with new sessions
     nesting_level = nesting.size

     break_data = catch(:breakout) do
       nesting.push [nesting.size, target_self, self]
       loop do
         rep(target)
       end
     end

     return_value = repl_epilogue(target, nesting_level, break_data)
     return_value || target_self
   end

Example: add

Note that .git invokes the system git command (a . prefix forwards the line to the shell, see: shell commands)

pry(main) git add Pry#repl
pry(main) .git diff --cached
diff --git a/lib/pry/pry_instance.rb b/lib/pry/pry_instance.rb
index 7a4c403..6483a4a 100644
--- a/lib/pry/pry_instance.rb
+++ b/lib/pry/pry_instance.rb
@@ -164,9 +164,11 @@ class Pry
   #   Pry.new.repl(Object.new)
   def repl(target=TOPLEVEL_BINDING)

+    # hey baby
     target = Pry.binding_for(target)
     target_self = target.eval('self')

+    # bink
     repl_prologue(target)

     # cannot rely on nesting.level as

Features and limitations

  • Just a proof of concept at this stage.
  • The methods you're invoking the git commands on must be part of a git repo (of course).
  • Commands currently just work with respect to HEAD; this restriction will be lifted in a later version.
  • BETA software, beware!

Contact

Problems or questions contact me at github

License

(The MIT License)

Copyright (c) 2011 John Mair (banisterfiend)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.