Update zshrc.d

dotfiles/zshrc.d/assemble.zsh

@@ -1,4 +1,4 @@
-if [ -f "`command which nasm 2>/dev/null`" -a -f "`command which objdump 2>/dev/null`" ] ; then
+if have_command nasm && have_command objdump ; then
   assemble_shellcode() {
     if [ -z "$1" ] ; then echo "Usage: $0 <assembly file>" >&2 ; return 1 ; fi
     local NASM=`command which nasm`

dotfiles/zshrc.d/crouton.zsh

@@ -1,7 +0,0 @@
-if command -v xiwi >/dev/null 2>&1; then
-  function xiwibg {
-    local tmpf=$(mktemp)
-    echo Logging to ${tmpf}
-    nohup xiwi "$@" >!${tmpf} 2>&1 &
-  }
-fi

dotfiles/zshrc.d/gpg.zsh

@@ -25,7 +25,7 @@ fi
 export GPG_TTY="$(tty)"
 
 # Setup SSH agent support
-if grep '^enable-ssh-support' "$_gpg_agent_conf" &> /dev/null; then
+if grep -q '^enable-ssh-support' "$_gpg_agent_conf" &> /dev/null; then
   # Load required functions.
   autoload -Uz add-zsh-hook
 

dotfiles/zshrc.d/ipython.zsh

@@ -1,3 +1,3 @@
-if command -v ipython >/dev/null || command -v ipython3 >/dev/null ; then
+if have_command ipython || have_command ipython3 ; then
   export PYTHONSTARTUP="${HOME}/.ipython.py"
 fi