[PATCH 14/20] walker.c: use ref transaction for ref updates

From: Ronnie Sahlberg sahlb...@google.com Date: Thu, 17 Apr 2014 11:31:06 -0700 Switch to using ref transactions in walker_fetch(). As part of the refactoring to use ref transactions we also fix a potential memory leak where in the original code if write_ref_sha1() would fail we would end up

[PATCH 14/20] walker.c: use ref transaction for ref updates

Switch to using ref transactions in walker_fetch(). As part of the refactoring to use ref transactions we also fix a potential memory leak where in the original code if write_ref_sha1() would fail we would end up returning from the function without free()ing the msg string. Note that this