zshrc: Send error output to devnull in grep-option detection

[grml-etc-core.git] / etc / zsh / zshrc

diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc
index 6130df9..c41cdd7 100644 (file)
--- a/etc/zsh/zshrc
+++ b/etc/zsh/zshrc
@@ -347,7 +347,7 @@ NOMENU=${NOMENU:-0}
 NOPRECMD=${NOPRECMD:-0}
 COMMAND_NOT_FOUND=${COMMAND_NOT_FOUND:-0}
 GRML_ZSH_CNF_HANDLER=${GRML_ZSH_CNF_HANDLER:-/usr/share/command-not-found/command-not-found}
-GRML_DISPLAY_BATTERY=${GRML_DISPLAY_BATTERY:-0}
+GRML_DISPLAY_BATTERY=${GRML_DISPLAY_BATTERY:-${BATTERY:-0}}
 GRMLSMALL_SPECIFIC=${GRMLSMALL_SPECIFIC:-1}
 ZSH_NO_DEFAULT_LOCALE=${ZSH_NO_DEFAULT_LOCALE:-0}
 
@@ -358,7 +358,7 @@ if ls --color=auto / >/dev/null 2>&1; then
 elif ls -G / >/dev/null 2>&1; then
     ls_options=( -G )
 fi
-if grep --color=auto -q "a" <<< "a"; then
+if grep --color=auto -q "a" <<< "a" >/dev/null 2>&1; then
     grep_options=( --color=auto )
 fi