ag.sh

$ mkdir foo

$ cd foo

$ git init .
Initialized empty Git repository in /Users/rsc/foo/.git/

$ echo hello > readme.txt

$ mkdir logs

$ echo hello > logs/file.log

$ echo "/logs/*.log" > .gitignore

$ git add .

$ git status
# On branch master
#
# Initial commit
#
# Changes to be committed:
#   (use "git rm --cached <file>..." to unstage)
#
#       new file:   .gitignore
#       new file:   readme.txt
#

$ git commit -m "Test"
[master (root-commit) 18f92b0] Test
 2 files changed, 2 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 readme.txt

$ ag hello
./logs/file.log
1:hello

./readme.txt
1:hello

$ git grep hello
readme.txt:1:hello

$ ag -V
ag version 0.8

$ uname -a
Darwin Arcturus.local 10.8.0 Darwin Kernel Version 10.8.0: Tue Jun  7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386 i386

$ sw_vers
ProductName:    Mac OS X
ProductVersion: 10.6.8
BuildVersion:   10K549