commit 6e7f4239832abe6b8694695af4f312bb8a02badc
author John Schulz <github.com@jfsiii.org> 周四 11月 11 11:57:47 2010 -0500
committer John Schulz <github.com@jfsiii.org> 周四 11月 11 11:57:47 2010 -0500
tree b08128427e4d01b0afe2763e2c08079bb1267156
parent 6c975853292f6d897c871c51149a63ec62abd0b6

Allow theming to be disabled (eg for old terminals)
 * Only load a theme file if `bobby` has been set
 * Only alter `PS1` if `\[\]\[$(scm_char)\]\[\]\[$(scm_prompt_info)\]\[\]\[$(rvm_version_prompt)\] \[\]\h \[\]in \[\]\w \[\]\[\n\[\]→\[\] ` has a value

bash_it.sh

diff --git a/bash_it.sh b/bash_it.sh
index f0c850c..60bef80 100644
--- a/bash_it.sh
+++ b/bash_it.sh
@@ -47,8 +47,9 @@
 
 
 unset config_file
-export PS1=$PROMPT
-
+if [[ $PROMPT ]]; then
+    export PS1=$PROMPT
+fi
 
 # Adding Support for other OSes
 PREVIEW="less"