From 0bd3c9996fa58494fbefaad483abbe60ed332889 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Cornell=C3=A0?= <marc.cornella@live.com>
Date: Sat, 13 Dec 2014 19:13:27 +0100
Subject: [PATCH 1/5] Extract VCS folders definition to avoid repetition

---
 lib/grep.zsh | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/lib/grep.zsh b/lib/grep.zsh
index 276fec38..ad38ec6f 100644
--- a/lib/grep.zsh
+++ b/lib/grep.zsh
@@ -6,18 +6,17 @@
 GREP_OPTIONS="--color=auto"
 
 # avoid VCS folders (if the necessary grep flags are available)
+VCS_FOLDERS="{.cvs,.git,.hg,.svn}"
+
 grep-flag-available() {
     echo | grep $1 "" >/dev/null 2>&1
 }
 if grep-flag-available --exclude-dir=.cvs; then
-    for PATTERN in .cvs .git .hg .svn; do
-        GREP_OPTIONS+=" --exclude-dir=$PATTERN"
-    done
+    GREP_OPTIONS+=" --exclude-dir=$VCS_FOLDERS"
 elif grep-flag-available --exclude=.cvs; then
-    for PATTERN in .cvs .git .hg .svn; do
-        GREP_OPTIONS+=" --exclude=$PATTERN"
-    done
+    GREP_OPTIONS+=" --exclude=$VCS_FOLDERS"
 fi
+unset VCS_FOLDERS
 unfunction grep-flag-available
 
 export GREP_OPTIONS="$GREP_OPTIONS"

From cf586b54b8aacd7fad7afc74d4f395da56e828b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Cornell=C3=A0?= <marc.cornella@live.com>
Date: Sat, 13 Dec 2014 19:14:23 +0100
Subject: [PATCH 2/5] Ignore .bzr folders in grep too

---
 lib/grep.zsh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/grep.zsh b/lib/grep.zsh
index ad38ec6f..4a44113e 100644
--- a/lib/grep.zsh
+++ b/lib/grep.zsh
@@ -6,7 +6,7 @@
 GREP_OPTIONS="--color=auto"
 
 # avoid VCS folders (if the necessary grep flags are available)
-VCS_FOLDERS="{.cvs,.git,.hg,.svn}"
+VCS_FOLDERS="{.bzr,.cvs,.git,.hg,.svn}"
 
 grep-flag-available() {
     echo | grep $1 "" >/dev/null 2>&1

From 0190eb084bfb39bfa5920f85c2fc33730236217c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Cornell=C3=A0?= <marc.cornella@live.com>
Date: Sat, 13 Dec 2014 19:18:11 +0100
Subject: [PATCH 3/5] Use unaliased grep in flag check

---
 lib/grep.zsh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/grep.zsh b/lib/grep.zsh
index 4a44113e..06751db1 100644
--- a/lib/grep.zsh
+++ b/lib/grep.zsh
@@ -9,7 +9,7 @@ GREP_OPTIONS="--color=auto"
 VCS_FOLDERS="{.bzr,.cvs,.git,.hg,.svn}"
 
 grep-flag-available() {
-    echo | grep $1 "" >/dev/null 2>&1
+    echo | command grep $1 "" >/dev/null 2>&1
 }
 if grep-flag-available --exclude-dir=.cvs; then
     GREP_OPTIONS+=" --exclude-dir=$VCS_FOLDERS"

From 711843153d6e53a89d37931217f59c4f6a3a35db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Cornell=C3=A0?= <marc.cornella@live.com>
Date: Sat, 13 Dec 2014 19:36:57 +0100
Subject: [PATCH 4/5] Tidy up the grep.zsh library

---
 lib/grep.zsh | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/lib/grep.zsh b/lib/grep.zsh
index 06751db1..4e55464c 100644
--- a/lib/grep.zsh
+++ b/lib/grep.zsh
@@ -1,23 +1,24 @@
-#
-# Color grep results
-# Examples: http://rubyurl.com/ZXv
-#
+# is x grep argument available?
+grep-flag-available() {
+    echo | grep $1 "" >/dev/null 2>&1
+}
 
+# color grep results
 GREP_OPTIONS="--color=auto"
 
-# avoid VCS folders (if the necessary grep flags are available)
+# ignore VCS folders (if the necessary grep flags are available)
 VCS_FOLDERS="{.bzr,.cvs,.git,.hg,.svn}"
 
-grep-flag-available() {
-    echo | command grep $1 "" >/dev/null 2>&1
-}
 if grep-flag-available --exclude-dir=.cvs; then
     GREP_OPTIONS+=" --exclude-dir=$VCS_FOLDERS"
 elif grep-flag-available --exclude=.cvs; then
     GREP_OPTIONS+=" --exclude=$VCS_FOLDERS"
 fi
-unset VCS_FOLDERS
-unfunction grep-flag-available
 
+# export grep settings
 export GREP_OPTIONS="$GREP_OPTIONS"
 export GREP_COLOR='1;32'
+
+# clean up
+unset VCS_FOLDERS
+unfunction grep-flag-available

From dd270878053a73600382de1c3592c04d985e5e08 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20S=C3=BAkup?= <mimi.vx@gmail.com>
Date: Mon, 24 Nov 2014 13:08:39 +0100
Subject: [PATCH 5/5] Change to alias and remove deprecated GREP_COLOR

---
 lib/grep.zsh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/grep.zsh b/lib/grep.zsh
index 4e55464c..348ebe62 100644
--- a/lib/grep.zsh
+++ b/lib/grep.zsh
@@ -16,9 +16,9 @@ elif grep-flag-available --exclude=.cvs; then
 fi
 
 # export grep settings
-export GREP_OPTIONS="$GREP_OPTIONS"
-export GREP_COLOR='1;32'
+alias grep="grep $GREP_OPTIONS"
 
 # clean up
+unset GREP_OPTIONS
 unset VCS_FOLDERS
 unfunction grep-flag-available