zshrc: ignore hosts set to invalid/loopback addresses for $_etc_hosts

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

diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc
index 435334e..22ed162 100644 (file)
--- a/etc/zsh/zshrc
+++ b/etc/zsh/zshrc
@@ -894,7 +894,7 @@ function grmlcomp () {
     if is42 ; then
         [[ -r ~/.ssh/config ]] && _ssh_config_hosts=(${${(s: :)${(ps:\t:)${${(@M)${(f)"$(<$HOME/.ssh/config)"}:#Host *}#Host }}}:#*[*?]*}) || _ssh_config_hosts=()
         [[ -r ~/.ssh/known_hosts ]] && _ssh_hosts=(${${${${(f)"$(<$HOME/.ssh/known_hosts)"}:#[\|]*}%%\ *}%%,*}) || _ssh_hosts=()
-        [[ -r /etc/hosts ]] && [[ "$NOETCHOSTS" -eq 0 ]] && : ${(A)_etc_hosts:=${(s: :)${(ps:\t:)${${(f)~~"$(</etc/hosts)"}%%\#*}##[:blank:]#[^[:blank:]]#}}} || _etc_hosts=()
+        [[ -r /etc/hosts ]] && [[ "$NOETCHOSTS" -eq 0 ]] && : ${(A)_etc_hosts:=${(s: :)${(ps:\t:)${${(f)~~"$(grep -v '^0\.0\.0.\0\|^127\.0\.0\.1\|^::1 ' /etc/hosts)"}%%\#*}##[:blank:]#[^[:blank:]]#}}} || _etc_hosts=()
     else
         _ssh_config_hosts=()
         _ssh_hosts=()
@@ -2677,6 +2677,11 @@ else
     alias l='command ls -l'
 fi
 
+# use ip from iproute2 with color support
+if ip --color=auto addr show dev lo >/dev/null 2>&1; then
+    alias ip='command ip --color=auto'
+fi
+
 if [[ -r /proc/mdstat ]]; then
     alias mdstat='cat /proc/mdstat'
 fi
@@ -3308,7 +3313,14 @@ zrcautoload lookupinit && lookupinit
 # variables
 
 # set terminal property (used e.g. by msgid-chooser)
-export COLORTERM="yes"
+case "${COLORTERM}" in
+  truecolor)
+    # do not overwrite
+    ;;
+  *)
+    export COLORTERM="yes"
+    ;;
+esac
 
 # aliases