From: Christophe Aguettaz <GIT_EMAIL>
Date: Fri, 14 Mar 2014 15:01:20 +0000 (+0100)
Subject: Improved prompt speed when hg is not installed.
X-Git-Url: https://source.supwisdom.com/gerrit/gitweb?a=commitdiff_plain;h=714f0e6099338d9d88fc20886ad445414cfce773;p=common%2Fbash_it.git

Improved prompt speed when hg is not installed.

Prevented bash from walking the path looking for hg when it is not
installed during each prompt refresh.
---

diff --git a/themes/base.theme.bash b/themes/base.theme.bash
index 629e81d..44c34ab 100644
--- a/themes/base.theme.bash
+++ b/themes/base.theme.bash
@@ -34,7 +34,7 @@ function scm {
   if [[ -f .git/HEAD ]]; then SCM=$SCM_GIT
   elif [[ -n "$(git symbolic-ref HEAD 2> /dev/null)" ]]; then SCM=$SCM_GIT
   elif [[ -d .hg ]]; then SCM=$SCM_HG
-  elif [[ -n "$(hg root 2> /dev/null)" ]]; then SCM=$SCM_HG
+  elif which hg &> /dev/null && [[ -n "$(hg root 2> /dev/null)" ]]; then SCM=$SCM_HG
   elif [[ -d .svn ]]; then SCM=$SCM_SVN
   else SCM=$SCM_NONE
   fi