Add autocomplete script

Author: supechicken

autocomplete/crew-sudo.sh

@@ -0,0 +1,26 @@
+# bash completion for crew-sudo command
+
+function _crew-sudo () {
+  # available options
+  local avail_opts=(--bashrc --foreground --replace)
+
+  # available commands
+  local cmds=(client daemon stop-daemon)
+
+  # parameter that trigger this function
+  local current="${COMP_WORDS[COMP_CWORD]}"
+
+  if [[ "${current:0:1}" == '-' ]]; then
+    # match ${current} with available option list if ${current} start with '-'
+    # save result to $COMPREPLY variable
+    COMPREPLY=( $(compgen -W "${avail_opts[*]}" -- "${current}") )
+  elif [[ ${COMP_CWORD} == 1 ]]; then
+    # match ${current} with command list if ${current} is the first argument
+    COMPREPLY=( $(compgen -W "${cmds[*]}" -- "${current}") )
+  else
+    return 1
+  fi
+}
+
+# register this function as completion function for crew-sudo command
+complete -F _crew-sudo crew-sudo

install.sh

@@ -5,16 +5,21 @@ if [ ${EUID} != 0 ] && [ ! -w ${INSTALL_PREFIX} ]; then
   exit 1
 fi
 
-INSTALL_PREFIX="${CREW_PREFIX:-/usr/local}"
+if [ -z "${CREW_DEST_PREFIX}" ]; then
+  INSTALL_PREFIX="${CREW_DEST_PREFIX}"
+else
+  : "${INSTALL_PREFIX:=/usr/local}"
+fi
 
 cp -r . ${INSTALL_PREFIX}/lib/crew-sudo
 
-ln -s ../lib/crew-sudo/crew-sudo ${INSTALL_PREFIX}/bin/crew-sudo
-ln -s ../lib/crew-sudo/crew-sudo ${INSTALL_PREFIX}/bin/sudo
+ln -sf ../lib/crew-sudo/crew-sudo ${INSTALL_PREFIX}/bin/crew-sudo
+ln -sf ../lib/crew-sudo/crew-sudo ${INSTALL_PREFIX}/bin/sudo
 
 if [ -d ${INSTALL_PREFIX}/etc/env.d ]; then
   # installing under chromebrew
-  ln -s ../lib/crew-sudo/autostart/crew-sudo.sh ${INSTALL_PREFIX}/etc/env.d/crew_sudo
+  ln -sf ../lib/crew-sudo/autostart/crew-sudo.sh ${INSTALL_PREFIX}/etc/env.d/crew_sudo
+  ln -sf ../lib/crew-sudo/autocomplete/crew-sudo.sh ${INSTALL_PREFIX}/etc/bash.d/crew_sudo
 else
   # installing without chromebrew, append the autostart script to bashrc
   echo "source ${INSTALL_PREFIX}/lib/crew-sudo/autostart/crew-sudo.sh" > ~/.bashrc