gistfile1.txt

Two cases are shown below, stable 1.11.3 install and a HEAD install.
====================================================================



$ brew -v install -d automake
==> set > set.txt && cat set.txt

Apple_PubSub_Socket_Render=/tmp/launch-KxfPtt/Render
Apple_Ubiquity_Message=/tmp/launch-KGv0zg/Apple_Ubiquity_Message
BASH=/bin/sh
BASH_ARGC=()
BASH_ARGV=()
BASH_EXECUTION_STRING='set > set.txt && cat set.txt'
BASH_LINENO=()
BASH_SOURCE=()
BASH_VERSINFO=([0]="3" [1]="2" [2]="48" [3]="1" [4]="release" [5]="x86_64-apple-darwin11")
BASH_VERSION='3.2.48(1)-release'
CC=/usr/bin/llvm-gcc
CFLAGS='-Os -w -pipe -march=core2 -msse4'
CLICOLOR=true
COMMAND_MODE=unix2003
CXX=/usr/bin/llvm-g++
CXXFLAGS='-Os -w -pipe -march=core2 -msse4'
DIRSTACK=()
DISPLAY=/tmp/launch-Q8qWpT/org.x:0
EDITOR=vi
EUID=501
GEM_HOME=/usr/local
GROUPS=()
HOME=/Users/nibbles
HOMEBREW_BREW_FILE=/usr/local/bin/brew
HOMEBREW_ERROR_PIPE=4
HOMEBREW_KEEP_INFO=TRUE
HOMEBREW_MAKE_JOBS=3
HOSTNAME=hostnaem.local
HOSTTYPE=x86_64
IFS=' 	
'
INFOPATH=/usr/local/share/info:/usr/share/info
LANG=en_US.UTF-8
LD=/usr/bin/llvm-gcc
LOGNAME=nibbles
MACHTYPE=x86_64-apple-darwin11
MAKEFLAGS=-j3
MANPATH=/usr/local/share/man:/usr/share/man:/usr/X11/share/man
OBJCFLAGS='-Os -w -pipe -march=core2 -msse4'
OBJCXXFLAGS='-Os -w -pipe -march=core2 -msse4'
OPTERR=1
OPTIND=1
OSTYPE=darwin11
PATH=/usr/local/bin:/usr/local/sbin:/usr/local/share/python:/usr/local/texlive/2011/bin/x86_64-darwin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/X11/bin:/usr/local/Library/Contributions/examples
POSIXLY_CORRECT=y
PPID=58466
PS4='+ '
PWD=/private/tmp/homebrew-automake-1.11.3-Sxb2/automake-1.11.3
PYTHONPATH=/usr/local/lib/python2.7/site-packages
SECURITYSESSIONID=18zzzzzzz4
SHELL=/bin/bash
SHELLOPTS=braceexpand:hashall:interactive-comments:posix
SHLVL=2
SSH_AUTH_SOCK=/tmp/launcxxxxxxxxxxxxxxxx
TERM=xterm-256color
TERM_PROGRAM=Apple_Terminal
TERM_PROGRAM_VERSION=303
TERM_SESSION_ID=29749F76-66FE-4043-8xxxxxxxxxxxxxxxx
TMPDIR=/var/folders/02/8j4kgb3s6xxxxxxxxxq25h3ypw0000gn/T/
UID=501
USER=nibbles
_=/usr/local/bin/brew
__CF_USER_TEXT_ENCODING=0x1F5:0:0







==> ps
  PID TTY           TIME CMD
63524 ttys000    0:00.14 -bash
37591 ttys001    0:00.04 -bash
58451 ttys001    0:00.03 /usr/bin/ruby /usr/local/bin/brew -v install -d automake
58466 ttys001    0:00.04 /usr/bin/ruby -I /usr/local/Library/Homebrew -rbuild -- /usr/local/Library/Formula/automake.rb -d -v





==> pwd
/private/tmp/homebrew-automake-1.11.3-Sxb2/automake-1.11.3



==> The variable HOMEBREW_BREW_FILE is: /usr/local/bin/brew










Second Case:  HEAD install of automake
==========================================


$ brew -v install -d --HEAD automake
Homebrew 0.8.1
==> Cloning git://git.sv.gnu.org/automake.git
Updating /Users/nibbles/Library/Caches/Homebrew/automake--git
git remote set-url origin git://git.sv.gnu.org/automake.git
git fetch origin
git reset --hard origin/HEAD
HEAD is now at d63c932 Merge branch 'maint'
git checkout-index -a -f --prefix=/private/tmp/homebrew-automake-HEAD-E3sM/


==> set > set.txt && cat set.txt
set > set.txt && cat set.txt 
Apple_PubSub_Socket_Render=/tmp/launch-KxfPtt/Render
Apple_Ubiquity_Message=/tmp/launch-xxxxxxzg/Apple_Ubiquity_Message
BASH=/bin/sh
BASH_ARGC=()
BASH_ARGV=()
BASH_EXECUTION_STRING='set > set.txt && cat set.txt'
BASH_LINENO=()
BASH_SOURCE=()
BASH_VERSINFO=([0]="3" [1]="2" [2]="48" [3]="1" [4]="release" [5]="x86_64-apple-darwin11")
BASH_VERSION='3.2.48(1)-release'
CC=/usr/bin/llvm-gcc
CFLAGS='-Os -w -pipe -march=core2 -msse4'
CLICOLOR=true
COMMAND_MODE=unix2003
CXX=/usr/bin/llvm-g++
CXXFLAGS='-Os -w -pipe -march=core2 -msse4'
DIRSTACK=()
DISPLAY=/tmp/launch-Q8qWpT/org.x:0
EDITOR=vi
EUID=501
GEM_HOME=/usr/local
GIT_DIR=/Users/nibbles/Library/Caches/Homebrew/automake--git/.git
GROUPS=()
HOME=/Users/nibbles
HOMEBREW_BREW_FILE=/usr/local/bin/brew
HOMEBREW_ERROR_PIPE=4
HOMEBREW_KEEP_INFO=TRUE
HOMEBREW_MAKE_JOBS=3
HOSTNAME=zzzzzz.local
HOSTTYPE=x86_64
IFS=' 	
'
INFOPATH=/usr/local/share/info:/usr/share/info
LANG=en_US.UTF-8
LD=/usr/bin/llvm-gcc
LOGNAME=nibbles
MACHTYPE=x86_64-apple-darwin11
MAKEFLAGS=-j3
MANPATH=/usr/local/share/man:/usr/share/man:/usr/X11/share/man
OBJCFLAGS='-Os -w -pipe -march=core2 -msse4'
OBJCXXFLAGS='-Os -w -pipe -march=core2 -msse4'
OPTERR=1
OPTIND=1
OSTYPE=darwin11
PATH=/usr/local/bin:/usr/local/sbin:/usr/local/share/python:/usr/local/texlive/2011/bin/x86_64-darwin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/X11/bin:/usr/local/Library/Contributions/examples
POSIXLY_CORRECT=y
PPID=58498
PS4='+ '
PWD=/private/tmp/homebrew-automake-HEAD-E3sM
PYTHONPATH=/usr/local/lib/python2.7/site-packages
SECURITYSESSIONID=1xxxxxx
SHELL=/bin/bash
SHELLOPTS=braceexpand:hashall:interactive-comments:posix
SHLVL=2
SSH_AUTH_SOCK=/tmp/launch-pxxxxxxy/Listeners
TERM=xterm-256color
TERM_PROGRAM=Apple_Terminal
TERM_PROGRAM_VERSION=303
TERM_SESSION_ID=29749F76-66FE-4043-8B2B-Fxxxxxxxxx2D
TMPDIR=/var/folders/02/8j4kgb3s6xxxxxxxxxxxxxxxx0gn/T/
UID=501
USER=nibbles
_=/usr/local/bin/brew
__CF_USER_TEXT_ENCODING=0x1F5:0:0





==> ps
ps 
  PID TTY           TIME CMD
63524 ttys000    0:00.14 -bash
37591 ttys001    0:00.05 -bash
58483 ttys001    0:00.04 /usr/bin/ruby /usr/local/bin/brew -v install -d --HEAD automake
58498 ttys001    0:00.04 /usr/bin/ruby -I /usr/local/Library/Homebrew -rbuild -- /usr/local/Library/Formula/automake.rb -d --HEAD -v




==> pwd

/private/tmp/homebrew-automake-HEAD-E3sM



==> The variable HOMEBREW_BREW_FILE is: /usr/local/bin/brew