Honor the CC env var.

Allows me to specify that I want to use clang for compilation.
Make clang happy.
That value was never used.
bump libgit2 to 811c76
bump libgit2 to b641c0
Add `Rugged::Branch#head?`.
Merge pull request #199 from arthurschreiber/add_branch_is_head

Add `Rugged::Branch#head?`.
repository initialization clarification
Merge pull request #200 from piglop/development

Repository initialization clarification
bump libgit2 to dfec72
Merge pull request #198 from arthurschreiber/make_clang_happy

Make clang happy
Merge pull request #197 from arthurschreiber/honor_cc_env_var

Honor the CC env var.
fixture: add large text blob to testrepo.git
blob: tests
blob: return whole blob if text lines < 0
blob: fixup docs
fixture: add large text and binary file
blob: create from disk
blob: create from chunks

This allows creating a blob from a streaming source.
The reader code is from nokogiri's ext/nokogiri/xml_io.c

The read callback can be called quite often for larger files
so read id is cached
blob: add binary.binary?