add bash completion

Makefile

@@ -1,6 +1,6 @@
 
 var_exclude = ZPASS_.* XDG_.* REMOTE_.* DISPLAY CONFIGFILE TMPDIR DEBUG
-fct_exclude = _tty_on sftp_cmd ftps_cmd upload download list delete create
+fct_exclude = _stop sftp_cmd ftps_cmd upload download list delete create
 
 zpass: src/*
 	lxsh -o zpass -M --exclude-var "$(var_exclude)" --exclude-fct "$(fct_exclude)" src/main.sh
@@ -8,13 +8,18 @@ zpass: src/*
 debug: src/*
 	lxsh -o zpass src/main.sh
 
+bash: src/*
+	lxsh --bash -o zpass src/main.sh
+
 build: zpass
 
 install: build
 	mv zpass /usr/local/bin
+	cp completion/zpass.bash /etc/bash_completion.d
 
 uninstall:
 	rm /usr/local/bin/zpass
+	rm /etc/bash_completion.d/zpass.bash
 
 clear:
 	rm zpass

completion/zpass.bash

@@ -0,0 +1,96 @@
+#/usr/bin/env bash
+
+# $1 = input arg , $@ = completions
+_completion_check_expands() {
+  local arg=$1
+  shift 1
+  local matching=()
+  local N=0
+  for I ; do
+    [ "$I" != "${I#"$arg"}" ] && matching[N++]=$I
+  done
+  local superset=${matching[0]:0:${#arg}}
+  [ "${superset#"$arg"}" = "$superset" ] && return 1
+  for N in "${matching[@]}" ; do
+    [ "${N#"$superset"}" = "$N" ] && return 1
+  done
+  return 0
+}
+
+_zpass_completion()
+{
+  local _cw1="list-files cache-clear help rm-file ls tree create get copy set file add new rm mv exec cached rm-cache"
+  local _cw1_val_all="l ls g get a add n new r rm m mv"
+  local _cw1_val1="s set f file x copy"
+  local _cw1_files="rmf rm-file"
+  local N=0
+  local _compwords=
+  local WORDS=()
+  local cur=$2
+  COMPREPLY=()
+
+  if  { [ "$COMP_CWORD" -eq "2" ] && echo "$_cw1_val1" | grep -qw -- "${COMP_WORDS[1]}" ; } ||
+      { [ "$COMP_CWORD" -gt "1" ] && echo "$_cw1_val_all" | grep -qw -- "${COMP_WORDS[1]}"; } ; then
+
+    zpass cached || return 0
+
+    local dir=$2
+    [ "${dir}" = "${dir%/}" ] && dir=$(dirname "$2")
+
+    N=0
+    for j in $(zpass ls "$dir") ; do
+     [ "$j" = "${j%/}" ] && j="$j "
+     WORDS[N++]=$j
+    done
+    cur=$(basename "$cur")
+    [ "$2" != "${2%/}" ] && cur=""
+
+    if _completion_check_expands "$cur" "${WORDS[@]}" ; then
+      N=0
+      if [ -n "$cur" ] ; then
+      	for I in "${WORDS[@]}" ; do
+      		[ "$I" != "${I#"$cur"}" ] && COMPREPLY[N++]=$I
+      	done
+      else
+        COMPREPLY=("${WORDS[@]}")
+      fi
+      N=0
+      for I in "${COMPREPLY[@]}" ; do
+        local tt="$dir/$I"
+        COMPREPLY[N++]="${tt#./}"
+      done
+    else
+      if [ -n "$cur" ] ; then
+        N=0
+      	for I in "${WORDS[@]}" ; do
+      		[ "$I" != "${I#"$cur"}" ] && COMPREPLY[N++]=$I
+      	done
+      else
+        COMPREPLY=("${WORDS[@]}")
+      fi
+    fi
+
+  else
+
+  	if [ "$COMP_CWORD" = "1" ] ; then
+  		_compwords="$_cw1"
+  	elif [ "$COMP_CWORD" -gt "1" ] && echo " $_cw1_files " | grep -qF -- " ${COMP_WORDS[1]} " ; then
+  		_compwords=$(zpass lsf)
+  	fi
+  	for I in $_compwords ; do
+  		WORDS[N++]="$I "
+  	done
+
+    N=0
+    if [ -n "$cur" ] ; then
+      for I in "${WORDS[@]}" ; do
+        [ "$I" != "${I#"$cur"}" ] && COMPREPLY[N++]=$I
+      done
+    else
+      COMPREPLY=("${WORDS[@]}")
+    fi
+
+  fi
+}
+
+complete -o nospace -F _zpass_completion -o dirnames zpass