From 81bc91d4dcd75630deefdd7455ff477b34c3dc69 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Olivier=20Mengu=C3=A9?= <dolmen@cpan.org>
Date: Sun, 5 May 2013 00:34:03 +0200
Subject: [PATCH 1/2] Optimize _lp_sl/sr/sb

---
 liquidprompt | 13 +++----------
 1 file changed, 3 insertions(+), 10 deletions(-)

diff --git a/liquidprompt b/liquidprompt
index 352b2b2..6520035 100755
--- a/liquidprompt
+++ b/liquidprompt
@@ -1325,26 +1325,19 @@ _lp_smart_mark()
 # insert a space on the right
 _lp_sr()
 {
-    if [[ ! -z "$1" ]] ; then
-        echo -n "$1 "
-    fi
+    [[ -n "$1" ]] && echo -n "$1 "
 }
 
 # insert a space on the left
 _lp_sl()
 {
-    if [[ ! -z "$1" ]] ; then
-        echo -n " $1"
-    fi
+    [[ -n "$1" ]] && echo -n " $1"
 }
 
 # insert two space, before and after
 _lp_sb()
 {
-    if [[ ! -z "$1" ]] ; then
-        echo -n " $1 "
-    fi
-
+    [[ -n "$1" ]] && echo -n " $1 "
 }
 
 ###################

From cc6c0e8d206e1146e6c7177a268784dcd83d64d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Olivier=20Mengu=C3=A9?= <dolmen@cpan.org>
Date: Sun, 5 May 2013 00:35:38 +0200
Subject: [PATCH 2/2] s/if [[ ! -z /if [[ -n /

---
 liquidprompt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/liquidprompt b/liquidprompt
index 6520035..79e08cb 100755
--- a/liquidprompt
+++ b/liquidprompt
@@ -711,7 +711,7 @@ _lp_git_branch_color()
 
     local branch
     branch=$(_lp_git_branch)
-    if [[ ! -z "$branch" ]] ; then
+    if [[ -n "$branch" ]] ; then
 
         local GD
         git diff --quiet >/dev/null 2>&1
@@ -803,7 +803,7 @@ _lp_hg_branch_color()
     local branch
     local ret
     branch=$(_lp_hg_branch)
-    if [[ ! -z "$branch" ]] ; then
+    if [[ -n "$branch" ]] ; then
 
         local has_untracked
         has_untracked=$(hg status 2>/dev/null | grep '\(^\?\)' | wc -l)
@@ -921,7 +921,7 @@ _lp_fossil_branch_color()
     local branch
     branch=$(_lp_fossil_branch)
 
-    if [[ ! -z "$branch" ]] ; then
+    if [[ -n "$branch" ]] ; then
         local C2E # Modified files (added or edited)
         local C2D # Deleted files
         local C2A # Extras files
@@ -1000,7 +1000,7 @@ _lp_bzr_branch_color()
     local revno=${tuple[1]}
     local clean=${tuple[2]}
 
-    if [[ ! -z "$branch" ]] ; then
+    if [[ -n "$branch" ]] ; then
         if [[ "$clean" -eq 0 ]] ; then
             ret="${LP_COLOR_CHANGES}${branch}${NO_COL}(${LP_COLOR_COMMITS}$revno${NO_COL})"
         else