tree 4af657b8164ea30575b99852a60012ea9ad8e24e
parent 2a3a81b51f1aee5a2da789d07d14cde61c96e8b7
author Shawn O. Pearce <sop@google.com> 1244824370 -0700
committer Shawn O. Pearce <sop@google.com> 1244824370 -0700

Refactor git version detection for reuse

This way we can use it to detect feature support in the underlying
git, such as new options or commands that have been added in more
recent versions.

Signed-off-by: Shawn O. Pearce <sop@google.com>