zshrc: Add comments about the ls_ and grep_options we set

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

diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc
index ab43aef..afcb5b7 100644 (file)
--- a/etc/zsh/zshrc
+++ b/etc/zsh/zshrc
@@ -431,11 +431,21 @@ ZSH_NO_DEFAULT_LOCALE=${ZSH_NO_DEFAULT_LOCALE:-0}
 
 typeset -ga ls_options
 typeset -ga grep_options
+
+# Colors on GNU ls(1)
 if ls --color=auto / >/dev/null 2>&1; then
     ls_options+=( --color=auto )
+# Colors on FreeBSD and OSX ls(1)
 elif ls -G / >/dev/null 2>&1; then
     ls_options+=( -G )
 fi
+
+# Natural sorting order on GNU ls(1)
+if ls -v / >/dev/null 2>&1; then
+    ls_options+=( -v )
+fi
+
+# Color on GNU and FreeBSD grep(1)
 if grep --color=auto -q "a" <<< "a" >/dev/null 2>&1; then
     grep_options+=( --color=auto )
 fi
@@ -805,9 +815,16 @@ grmlcomp() {
     # command for process lists, the local web server details and host completion
     zstyle ':completion:*:urls' local 'www' '/var/www/' 'public_html'
 
-    # caching
-    [[ -d $ZSHDIR/cache ]] && zstyle ':completion:*' use-cache yes && \
-                            zstyle ':completion::complete:*' cache-path $ZSHDIR/cache/
+    # Some functions, like _apt and _dpkg, are very slow. We can use a cache in
+    # order to speed things up
+    if [[ ${GRML_COMP_CACHING:-yes} == yes ]]; then
+        GRML_COMP_CACHE_DIR=${GRML_COMP_CACHE_DIR:-${ZDOTDIR:-$HOME}/.cache}
+        if [[ ! -d ${GRML_COMP_CACHE_DIR} ]]; then
+            command mkdir -p "${GRML_COMP_CACHE_DIR}"
+        fi
+        zstyle ':completion:*' use-cache  yes
+        zstyle ':completion:*:complete:*' cache-path "${GRML_COMP_CACHE_DIR}"
+    fi
 
     # host completion
     if is42 ; then
@@ -1580,8 +1597,6 @@ function command_not_found_handler() {
 
 # history
 
-ZSHDIR=${ZDOTDIR:-${HOME}/.zsh}
-
 #v#
 HISTFILE=${ZDOTDIR:-${HOME}}/.zsh_history
 isgrmlcd && HISTSIZE=500  || HISTSIZE=5000
@@ -2504,16 +2519,14 @@ hash -d www=/var/www
 if check_com -c screen ; then
     if [[ $UID -eq 0 ]] ; then
         if [[ -r /etc/grml/screenrc ]]; then
-            alias screen="${commands[screen]} -c /etc/grml/screenrc"
+            alias screen='screen -c /etc/grml/screenrc'
         fi
-    elif [[ -r $HOME/.screenrc ]] ; then
-        alias screen="${commands[screen]} -c $HOME/.screenrc"
-    else
+    elif [[ ! -r $HOME/.screenrc ]] ; then
         if [[ -r /etc/grml/screenrc_grml ]]; then
-            alias screen="${commands[screen]} -c /etc/grml/screenrc_grml"
+            alias screen='screen -c /etc/grml/screenrc_grml'
         else
             if [[ -r /etc/grml/screenrc ]]; then
-                alias screen="${commands[screen]} -c /etc/grml/screenrc"
+                alias screen='screen -c /etc/grml/screenrc'
             fi
         fi
     fi