22 files changed, 1192 insertions, 176 deletions
diff --git a/krebs/3modules/lass/default.nix b/krebs/3modules/lass/default.nix
index c99263fe8..26b0947bb 100644
--- a/krebs/3modules/lass/default.nix
+++ b/krebs/3modules/lass/default.nix
@@ -9,7 +9,7 @@ with lib;
       dc = "lass"; #dc = "cac";
       nets = rec {
         internet = {
-          addrs4 = ["167.88.34.158"];
+          addrs4 = ["162.252.241.33"];
           aliases = [
             "echelon.internet"
           ];
diff --git a/krebs/3modules/mv/default.nix b/krebs/3modules/mv/default.nix
index 446caf454..6da2abc85 100644
--- a/krebs/3modules/mv/default.nix
+++ b/krebs/3modules/mv/default.nix
@@ -13,6 +13,7 @@ with lib;
           addrs6 = ["42:0:0:0:0:0:111:111"];
           aliases = [
             "stro.retiolum"
+            "cgit.stro.retiolum"
           ];
           tinc.pubkey = ''
             -----BEGIN RSA PUBLIC KEY-----
diff --git a/krebs/5pkgs/get/default.nix b/krebs/5pkgs/get/default.nix
index d4f5f6b46..9a0192aab 100644
--- a/krebs/5pkgs/get/default.nix
+++ b/krebs/5pkgs/get/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   name = "get-1.3.1";
 
   src = fetchgit {
-    url = http://cgit.cd.retiolum/get;
+    url = http://cgit.cd.krebsco.de/get;
     rev = "64c97edd3f9952cd5e703208c46748a035a515bf";
     sha256 = "32ca83f4fd86fd3285bef9dcfd0917308086d239189858daceca175de49ff97c";
   };
diff --git a/krebs/5pkgs/haskell-overrides/blessings.nix b/krebs/5pkgs/haskell-overrides/blessings.nix
index 311458211..741fb5c36 100644
--- a/krebs/5pkgs/haskell-overrides/blessings.nix
+++ b/krebs/5pkgs/haskell-overrides/blessings.nix
@@ -3,7 +3,7 @@ mkDerivation {
   pname = "blessings";
   version = "1.0.0";
   src = fetchgit {
-    url = http://cgit.cd.retiolum/blessings;
+    url = http://cgit.cd.krebsco.de/blessings;
     rev = "25a510dcb38ea9158e9969d56eb66cb1b860ab5f";
     sha256 = "b962153e80e51519b52220199d8350b54154833e4bc25a792ecc58898fef3fb2";
   };
diff --git a/krebs/5pkgs/haskell-overrides/scanner.nix b/krebs/5pkgs/haskell-overrides/scanner.nix
index ebc5cd620..b88b9dbe3 100644
--- a/krebs/5pkgs/haskell-overrides/scanner.nix
+++ b/krebs/5pkgs/haskell-overrides/scanner.nix
@@ -3,7 +3,7 @@ mkDerivation {
   pname = "scanner";
   version = "1.0.0";
   src = fetchgit {
-    url = http://cgit.cd.retiolum/scanner;
+    url = http://cgit.cd.krebsco.de/scanner;
     rev = "7f091a3bc152ad3974a1873b460fa1759bf8dcad";
     sha256 = "7d123c227777932039d26fc832b8d32a90f04c0bd6b7e8bcff0a6f49a54e0054";
   };
diff --git a/krebs/5pkgs/haskell-overrides/xmonad-stockholm.nix b/krebs/5pkgs/haskell-overrides/xmonad-stockholm.nix
index 5c6f068e7..096597808 100644
--- a/krebs/5pkgs/haskell-overrides/xmonad-stockholm.nix
+++ b/krebs/5pkgs/haskell-overrides/xmonad-stockholm.nix
@@ -5,7 +5,7 @@ mkDerivation {
   pname = "xmonad-stockholm";
   version = "1.0.0";
   src = fetchgit {
-    url = "http://cgit.cd/xmonad-stockholm";
+    url = "http://cgit.cd.krebsco.de/xmonad-stockholm";
     sha256 = "35dda5d16acc90af94ae2fae10ab5cc2d5b450c3f1ff2e7f515ac53877269abf";
     rev = "2dbefe42fc5cfe9093465bf3e22ba8f82feeef6e";
   };
diff --git a/krebs/5pkgs/much/default.nix b/krebs/5pkgs/much/default.nix
index ba5ab2327..2a9376139 100644
--- a/krebs/5pkgs/much/default.nix
+++ b/krebs/5pkgs/much/default.nix
@@ -12,7 +12,7 @@ mkDerivation {
   pname = "much";
   version = "1.0.0";
   src = fetchgit {
-    url = "http://cgit.cd.retiolum/much";
+    url = "http://cgit.cd.krebsco.de/much";
     rev = "045dc986b4de225a927175f81c8ccfdab450202c";
     sha256 = "cec175e3dc32ef93029ee5285f6c4042ce11d637945bc8cec02cb6699d06cc13";
   };
diff --git a/krebs/5pkgs/push/default.nix b/krebs/5pkgs/push/default.nix
index bc5c030a0..13769c747 100644
--- a/krebs/5pkgs/push/default.nix
+++ b/krebs/5pkgs/push/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
   name = "push-1.1.1";
 
   src = fetchgit {
-    url = http://cgit.cd.retiolum/push;
+    url = http://cgit.cd.krebsco.de/push;
     rev = "ea8b76569c6b226fe148e559477669b095408472";
     sha256 = "c305a1515d30603f6ed825d44487e863fdc7d90400620ceaf2c335a3b5d1e221";
   };
diff --git a/krebs/Zhosts/stro b/krebs/Zhosts/stro
new file mode 100644
index 000000000..cddab5421
--- /dev/null
+++ b/krebs/Zhosts/stro
@@ -0,0 +1,10 @@
+Subnet = 10.243.111.111/32
+Subnet = 42:0:0:0:0:0:111:111/128
+-----BEGIN RSA PUBLIC KEY-----
+MIIBCgKCAQEA0vIzLyoetOyi3R7qOh3gjSvUVjPEdqCvd0NEevDCIhhFy0nIbZ/b
+vnuk3EUeTb6e384J8fKB4agig0JeR3JjtDvtjy5g9Cdy2nrU71w8wqU0etmv2PTb
+FjbCFfeBXn0N3U7gXwjZGCvjAXa1a4jGb4R2iYBYGG3aY4reCN8B8Ah81h+S0oLg
+ZJJfaBmWM5vNRFEI5X4CLaVnwtsoZuXIjYStgNn/9Mg/Y6NQS0H0H+HFeyhigAqG
+oYGqNar/2QqPU176V/FwrD30F3qJV1uyzuPta7hmdfOxqYjZ/jqdPSRYtlunYYcq
+XbH5oYmzO9NEeVWzjdac/DiV2OP8HufoYwIDAQAB
+-----END RSA PUBLIC KEY-----
diff --git a/lass/3modules/bitlbee.nix b/lass/3modules/bitlbee.nix
deleted file mode 100644
index 8ce560146..000000000
--- a/lass/3modules/bitlbee.nix
+++ /dev/null
@@ -1,153 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-
-let
-
-  inherit (lib)
-    mkIf
-    mkOption
-    types
-    singleton
-  ;
-
-  authModeCheck = v:
-    v == "Open" ||
-    v == "Closed" ||
-    v == "Registered"
-  ;
-
-  bitlbeeConfig = pkgs.writeText "bitlbee.conf" ''
-    [settings]
-    RunMode = Daemon
-    User = bitlbee
-    ConfigDir = ${cfg.configDir}
-    DaemonInterface = ${cfg.interface}
-    DaemonPort = ${toString cfg.portNumber}
-    AuthMode = ${cfg.authMode}
-    ${lib.optionalString (cfg.hostName != "") "HostName = ${cfg.hostName}"}
-    ${lib.optionalString (cfg.protocols != "") "Protocols = ${cfg.protocols}"}
-    ${cfg.extraSettings}
-
-    [defaults]
-    ${cfg.extraDefaults}
-  '';
-
-  cfg = config.lass.bitlbee;
-
-  out = {
-    options.lass.bitlbee = api;
-    config = mkIf cfg.enable imp;
-  };
-
-  api = {
-    enable = mkOption {
-      default = false;
-      description = ''
-        Whether to run the BitlBee IRC to other chat network gateway.
-        Running it allows you to access the MSN, Jabber, Yahoo! and ICQ chat
-        networks via an IRC client.
-      '';
-    };
-
-    interface = mkOption {
-      default = "127.0.0.1";
-      description = ''
-        The interface the BitlBee deamon will be listening to.  If `127.0.0.1',
-        only clients on the local host can connect to it; if `0.0.0.0', clients
-        can access it from any network interface.
-      '';
-    };
-
-    portNumber = mkOption {
-      default = 6667;
-      description = ''
-        Number of the port BitlBee will be listening to.
-      '';
-    };
-
-    authMode = mkOption {
-      default = "Open";
-      type = types.addCheck types.str authModeCheck;
-      description = ''
-        The following authentication modes are available:
-          Open -- Accept connections from anyone, use NickServ for user authentication.
-          Closed -- Require authorization (using the PASS command during login) before allowing the user to connect at all.
-          Registered -- Only allow registered users to use this server; this disables the register- and the account command until the user identifies himself.
-      '';
-    };
-
-    hostName = mkOption {
-      default = "";
-      type = types.str;
-      description = ''
-        Normally, BitlBee gets a hostname using getsockname(). If you have a nicer
-        alias for your BitlBee daemon, you can set it here and BitlBee will identify
-        itself with that name instead.
-      '';
-    };
-
-    configDir = mkOption {
-      default = "/var/lib/bitlbee";
-      type = types.path;
-      description = ''
-        Specify an alternative directory to store all the per-user configuration
-        files.
-      '';
-    };
-
-    protocols = mkOption {
-      default = "";
-      type = types.str;
-      description = ''
-        This option allows to remove the support of protocol, even if compiled
-        in. If nothing is given, there are no restrictions.
-      '';
-    };
-
-    extraSettings = mkOption {
-      default = "";
-      description = ''
-        Will be inserted in the Settings section of the config file.
-      '';
-    };
-
-    extraDefaults = mkOption {
-      default = "";
-      description = ''
-        Will be inserted in the Default section of the config file.
-      '';
-    };
-
-    bitlbeePkg = mkOption {
-      default = pkgs.bitlbee;
-      description = ''
-        the bitlbee pkg to use.
-      '';
-    };
-  };
-
-  imp = {
-    users.extraUsers = singleton {
-      name = "bitlbee";
-      uid = config.ids.uids.bitlbee;
-      description = "BitlBee user";
-      home = "/var/lib/bitlbee";
-      createHome = true;
-    };
-
-    users.extraGroups = singleton {
-      name = "bitlbee";
-      gid = config.ids.gids.bitlbee;
-    };
-
-    systemd.services.bitlbee = {
-      description = "BitlBee IRC to other chat networks gateway";
-      after = [ "network.target" ];
-      wantedBy = [ "multi-user.target" ];
-      serviceConfig.User = "bitlbee";
-      serviceConfig.ExecStart = "${cfg.bitlbeePkg}/sbin/bitlbee -F -n -c ${bitlbeeConfig}";
-    };
-  };
-
-in
-out
diff --git a/lass/3modules/default.nix b/lass/3modules/default.nix
index 7c85af3a4..0dcad971c 100644
--- a/lass/3modules/default.nix
+++ b/lass/3modules/default.nix
@@ -2,7 +2,6 @@ _:
 {
   imports = [
     ./xresources.nix
-    ./bitlbee.nix
     ./folderPerms.nix
     ./newsbot-js.nix
     ./per-user.nix
diff --git a/lass/3modules/dnsmasq.nix b/lass/3modules/dnsmasq.nix
index 99c165479..83a9cb180 100644
--- a/lass/3modules/dnsmasq.nix
+++ b/lass/3modules/dnsmasq.nix
@@ -25,13 +25,6 @@ let
   configFile = pkgs.writeText "dnsmasq.conf" cfg.config;
 
   imp = {
-    #users.extraUsers.go = {
-    #  name = "go";
-    #  uid = 42774411; #genid go
-    #  description = "go url shortener user";
-    #  home = "/var/lib/go";
-    #  createHome = true;
-    #};
 
     systemd.services.dnsmasq = {
       description = "dnsmasq";
diff --git a/mv/1systems/stro.nix b/mv/1systems/stro.nix
index 9edcea007..38d4b4bc6 100644
--- a/mv/1systems/stro.nix
+++ b/mv/1systems/stro.nix
@@ -12,6 +12,7 @@ with lib;
 
   imports = [
     ../2configs/hw/x220.nix
+    ../2configs/git.nix
     ../2configs/mail-client.nix
     ../2configs/xserver
     {
@@ -154,7 +155,7 @@ with lib;
         connectTo = [
           "cd"
           "gum"
-          "pigstarter"
+          "wry"
         ];
       };
     }
@@ -217,6 +218,7 @@ with lib;
     "sendmail"  # for cron
   ];
 
+  services.bitlbee.enable = true;
   services.printing.enable = true;
 
   services.journald.extraConfig = ''
diff --git a/mv/2configs/bash_completion.sh b/mv/2configs/bash_completion.sh
new file mode 100644
index 000000000..537484fb9
--- /dev/null
+++ b/mv/2configs/bash_completion.sh
@@ -0,0 +1,779 @@
+
+# Expand variable starting with tilde (~)
+# We want to expand ~foo/... to /home/foo/... to avoid problems when
+# word-to-complete starting with a tilde is fed to commands and ending up
+# quoted instead of expanded.
+# Only the first portion of the variable from the tilde up to the first slash
+# (~../) is expanded.  The remainder of the variable, containing for example
+# a dollar sign variable ($) or asterisk (*) is not expanded.
+# Example usage:
+#
+#    $ v="~"; __expand_tilde_by_ref v; echo "$v"
+#
+# Example output:
+#
+#       v                  output
+#    --------         ----------------
+#    ~                /home/user
+#    ~foo/bar         /home/foo/bar
+#    ~foo/$HOME       /home/foo/$HOME
+#    ~foo/a  b        /home/foo/a  b
+#    ~foo/*           /home/foo/*
+#
+# @param $1  Name of variable (not the value of the variable) to expand
+__expand_tilde_by_ref()
+{
+    # Does $1 start with tilde (~)?
+    if [[ ${!1} == \~* ]]; then
+        # Does $1 contain slash (/)?
+        if [[ ${!1} == */* ]]; then
+            # Yes, $1 contains slash;
+            # 1: Remove * including and after first slash (/), i.e. "~a/b"
+            #    becomes "~a".  Double quotes allow eval.
+            # 2: Remove * before the first slash (/), i.e. "~a/b"
+            #    becomes "b".  Single quotes prevent eval.
+            #       +-----1----+ +---2----+
+            eval $1="${!1/%\/*}"/'${!1#*/}'
+        else
+            # No, $1 doesn't contain slash
+            eval $1="${!1}"
+        fi
+    fi
+} # __expand_tilde_by_ref()
+
+
+# Get the word to complete.
+# This is nicer than ${COMP_WORDS[$COMP_CWORD]}, since it handles cases
+# where the user is completing in the middle of a word.
+# (For example, if the line is "ls foobar",
+# and the cursor is here -------->   ^
+# @param $1 string  Characters out of $COMP_WORDBREAKS which should NOT be
+#     considered word breaks. This is useful for things like scp where
+#     we want to return host:path and not only path, so we would pass the
+#     colon (:) as $1 in this case.
+# @param $2 integer  Index number of word to return, negatively offset to the
+#     current word (default is 0, previous is 1), respecting the exclusions
+#     given at $1.  For example, `_get_cword "=:" 1' returns the word left of
+#     the current word, respecting the exclusions "=:".
+# @deprecated  Use `_get_comp_words_by_ref cur' instead
+# @see _get_comp_words_by_ref()
+_get_cword()
+{
+    local LC_CTYPE=C
+    local cword words
+    __reassemble_comp_words_by_ref "$1" words cword
+
+    # return previous word offset by $2
+    if [[ ${2//[^0-9]/} ]]; then
+        printf "%s" "${words[cword-$2]}"
+    elif [[ "${#words[cword]}" -eq 0 || "$COMP_POINT" == "${#COMP_LINE}" ]]; then
+        printf "%s" "${words[cword]}"
+    else
+        local i
+        local cur="$COMP_LINE"
+        local index="$COMP_POINT"
+        for (( i = 0; i <= cword; ++i )); do
+            while [[
+                # Current word fits in $cur?
+                "${#cur}" -ge ${#words[i]} &&
+                # $cur doesn't match cword?
+                "${cur:0:${#words[i]}}" != "${words[i]}"
+            ]]; do
+                # Strip first character
+                cur="${cur:1}"
+                # Decrease cursor position
+                ((index--))
+            done
+
+            # Does found word matches cword?
+            if [[ "$i" -lt "$cword" ]]; then
+                # No, cword lies further;
+                local old_size="${#cur}"
+                cur="${cur#${words[i]}}"
+                local new_size="${#cur}"
+                index=$(( index - old_size + new_size ))
+            fi
+        done
+
+        if [[ "${words[cword]:0:${#cur}}" != "$cur" ]]; then
+            # We messed up! At least return the whole word so things
+            # keep working
+            printf "%s" "${words[cword]}"
+        else
+            printf "%s" "${cur:0:$index}"
+        fi
+    fi
+} # _get_cword()
+
+
+# Get word previous to the current word.
+# This is a good alternative to `prev=${COMP_WORDS[COMP_CWORD-1]}' because bash4
+# will properly return the previous word with respect to any given exclusions to
+# COMP_WORDBREAKS.
+# @deprecated  Use `_get_comp_words_by_ref cur prev' instead
+# @see _get_comp_words_by_ref()
+#
+_get_pword()
+{
+    if [[ $COMP_CWORD -ge 1 ]]; then
+        _get_cword "${@:-}" 1
+    fi
+}
+
+
+
+# Complete variables.
+# @return  True (0) if variables were completed,
+#          False (> 0) if not.
+_variables()
+{
+    if [[ $cur =~ ^(\$\{?)([A-Za-z0-9_]*)$ ]]; then
+        [[ $cur == *{* ]] && local suffix=} || local suffix=
+        COMPREPLY+=( $( compgen -P ${BASH_REMATCH[1]} -S "$suffix" -v -- \
+            "${BASH_REMATCH[2]}" ) )
+        return 0
+    fi
+    return 1
+}
+
+# Assign variable one scope above the caller
+# Usage: local "$1" && _upvar $1 "value(s)"
+# Param: $1  Variable name to assign value to
+# Param: $*  Value(s) to assign.  If multiple values, an array is
+#            assigned, otherwise a single value is assigned.
+# NOTE: For assigning multiple variables, use '_upvars'.  Do NOT
+#       use multiple '_upvar' calls, since one '_upvar' call might
+#       reassign a variable to be used by another '_upvar' call.
+# See: http://fvue.nl/wiki/Bash:_Passing_variables_by_reference
+_upvar()
+{
+    if unset -v "$1"; then           # Unset & validate varname
+        if (( $# == 2 )); then
+            eval $1=\"\$2\"          # Return single value
+        else
+            eval $1=\(\"\${@:2}\"\)  # Return array
+        fi
+    fi
+}
+
+# Assign variables one scope above the caller
+# Usage: local varname [varname ...] &&
+#        _upvars [-v varname value] | [-aN varname [value ...]] ...
+# Available OPTIONS:
+#     -aN  Assign next N values to varname as array
+#     -v   Assign single value to varname
+# Return: 1 if error occurs
+# See: http://fvue.nl/wiki/Bash:_Passing_variables_by_reference
+_upvars()
+{
+    if ! (( $# )); then
+        echo "${FUNCNAME[0]}: usage: ${FUNCNAME[0]} [-v varname"\
+            "value] | [-aN varname [value ...]] ..." 1>&2
+        return 2
+    fi
+    while (( $# )); do
+        case $1 in
+            -a*)
+                # Error checking
+                [[ ${1#-a} ]] || { echo "bash: ${FUNCNAME[0]}: \`$1': missing"\
+                    "number specifier" 1>&2; return 1; }
+                printf %d "${1#-a}" &> /dev/null || { echo "bash:"\
+                    "${FUNCNAME[0]}: \`$1': invalid number specifier" 1>&2
+                    return 1; }
+                # Assign array of -aN elements
+                [[ "$2" ]] && unset -v "$2" && eval $2=\(\"\${@:3:${1#-a}}\"\) &&
+                shift $((${1#-a} + 2)) || { echo "bash: ${FUNCNAME[0]}:"\
+                    "\`$1${2+ }$2': missing argument(s)" 1>&2; return 1; }
+                ;;
+            -v)
+                # Assign single value
+                [[ "$2" ]] && unset -v "$2" && eval $2=\"\$3\" &&
+                shift 3 || { echo "bash: ${FUNCNAME[0]}: $1: missing"\
+                "argument(s)" 1>&2; return 1; }
+                ;;
+            *)
+                echo "bash: ${FUNCNAME[0]}: $1: invalid option" 1>&2
+                return 1 ;;
+        esac
+    done
+}
+
+# @param $1 exclude  Characters out of $COMP_WORDBREAKS which should NOT be
+#     considered word breaks. This is useful for things like scp where
+#     we want to return host:path and not only path, so we would pass the
+#     colon (:) as $1 in this case.
+# @param $2 words  Name of variable to return words to
+# @param $3 cword  Name of variable to return cword to
+# @param $4 cur  Name of variable to return current word to complete to
+# @see __reassemble_comp_words_by_ref()
+__get_cword_at_cursor_by_ref()
+{
+    local cword words=()
+    __reassemble_comp_words_by_ref "$1" words cword
+
+    local i cur index=$COMP_POINT lead=${COMP_LINE:0:$COMP_POINT}
+    # Cursor not at position 0 and not leaded by just space(s)?
+    if [[ $index -gt 0 && ( $lead && ${lead//[[:space:]]} ) ]]; then
+        cur=$COMP_LINE
+        for (( i = 0; i <= cword; ++i )); do
+            while [[
+                # Current word fits in $cur?
+                ${#cur} -ge ${#words[i]} &&
+                # $cur doesn't match cword?
+                "${cur:0:${#words[i]}}" != "${words[i]}"
+            ]]; do
+                # Strip first character
+                cur="${cur:1}"
+                # Decrease cursor position
+                ((index--))
+            done
+
+            # Does found word match cword?
+            if [[ $i -lt $cword ]]; then
+                # No, cword lies further;
+                local old_size=${#cur}
+                cur="${cur#"${words[i]}"}"
+                local new_size=${#cur}
+                index=$(( index - old_size + new_size ))
+            fi
+        done
+        # Clear $cur if just space(s)
+        [[ $cur && ! ${cur//[[:space:]]} ]] && cur=
+        # Zero $index if negative
+        [[ $index -lt 0 ]] && index=0
+    fi
+
+    local "$2" "$3" "$4" && _upvars -a${#words[@]} $2 "${words[@]}" \
+        -v $3 "$cword" -v $4 "${cur:0:$index}"
+}
+
+# Reassemble command line words, excluding specified characters from the
+# list of word completion separators (COMP_WORDBREAKS).
+# @param $1 chars  Characters out of $COMP_WORDBREAKS which should
+#     NOT be considered word breaks. This is useful for things like scp where
+#     we want to return host:path and not only path, so we would pass the
+#     colon (:) as $1 here.
+# @param $2 words  Name of variable to return words to
+# @param $3 cword  Name of variable to return cword to
+#
+__reassemble_comp_words_by_ref()
+{
+    local exclude i j line ref
+    # Exclude word separator characters?
+    if [[ $1 ]]; then
+        # Yes, exclude word separator characters;
+        # Exclude only those characters, which were really included
+        exclude="${1//[^$COMP_WORDBREAKS]}"
+    fi
+
+    # Default to cword unchanged
+    eval $3=$COMP_CWORD
+    # Are characters excluded which were former included?
+    if [[ $exclude ]]; then
+        # Yes, list of word completion separators has shrunk;
+        line=$COMP_LINE
+        # Re-assemble words to complete
+        for (( i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do
+            # Is current word not word 0 (the command itself) and is word not
+            # empty and is word made up of just word separator characters to
+            # be excluded and is current word not preceded by whitespace in
+            # original line?
+            while [[ $i -gt 0 && ${COMP_WORDS[$i]} == +([$exclude]) ]]; do
+                # Is word separator not preceded by whitespace in original line
+                # and are we not going to append to word 0 (the command
+                # itself), then append to current word.
+                [[ $line != [$' \t']* ]] && (( j >= 2 )) && ((j--))
+                # Append word separator to current or new word
+                ref="$2[$j]"
+                eval $2[$j]=\${!ref}\${COMP_WORDS[i]}
+                # Indicate new cword
+                [[ $i == $COMP_CWORD ]] && eval $3=$j
+                # Remove optional whitespace + word separator from line copy
+                line=${line#*"${COMP_WORDS[$i]}"}
+                # Start new word if word separator in original line is
+                # followed by whitespace.
+                [[ $line == [$' \t']* ]] && ((j++))
+                # Indicate next word if available, else end *both* while and
+                # for loop
+                (( $i < ${#COMP_WORDS[@]} - 1)) && ((i++)) || break 2
+            done
+            # Append word to current word
+            ref="$2[$j]"
+            eval $2[$j]=\${!ref}\${COMP_WORDS[i]}
+            # Remove optional whitespace + word from line copy
+            line=${line#*"${COMP_WORDS[i]}"}
+            # Indicate new cword
+            [[ $i == $COMP_CWORD ]] && eval $3=$j
+        done
+        [[ $i == $COMP_CWORD ]] && eval $3=$j
+    else
+        # No, list of word completions separators hasn't changed;
+        eval $2=\( \"\${COMP_WORDS[@]}\" \)
+    fi
+} # __reassemble_comp_words_by_ref()
+
+
+# If the word-to-complete contains a colon (:), left-trim COMPREPLY items with
+# word-to-complete.
+# With a colon in COMP_WORDBREAKS, words containing
+# colons are always completed as entire words if the word to complete contains
+# a colon.  This function fixes this, by removing the colon-containing-prefix
+# from COMPREPLY items.
+# The preferred solution is to remove the colon (:) from COMP_WORDBREAKS in
+# your .bashrc:
+#
+#    # Remove colon (:) from list of word completion separators
+#    COMP_WORDBREAKS=${COMP_WORDBREAKS//:}
+#
+# See also: Bash FAQ - E13) Why does filename completion misbehave if a colon
+# appears in the filename? - http://tiswww.case.edu/php/chet/bash/FAQ
+# @param $1 current word to complete (cur)
+# @modifies global array $COMPREPLY
+#
+__ltrim_colon_completions()
+{
+    if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
+        # Remove colon-word prefix from COMPREPLY items
+        local colon_word=${1%"${1##*:}"}
+        local i=${#COMPREPLY[*]}
+        while [[ $((--i)) -ge 0 ]]; do
+            COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
+        done
+    fi
+} # __ltrim_colon_completions()
+
+
+# NOTE: Using this function as a helper function is deprecated.  Use
+#       `_known_hosts_real' instead.
+_known_hosts()
+{
+    local cur prev words cword
+    _init_completion -n : || return
+
+    # NOTE: Using `_known_hosts' as a helper function and passing options
+    #       to `_known_hosts' is deprecated: Use `_known_hosts_real' instead.
+    local options
+    [[ "$1" == -a || "$2" == -a ]] && options=-a
+    [[ "$1" == -c || "$2" == -c ]] && options+=" -c"
+    _known_hosts_real $options -- "$cur"
+} # _known_hosts()
+
+
+# Helper function for completing _known_hosts.
+# This function performs host completion based on ssh's config and known_hosts
+# files, as well as hostnames reported by avahi-browse if
+# COMP_KNOWN_HOSTS_WITH_AVAHI is set to a non-empty value.  Also hosts from
+# HOSTFILE (compgen -A hostname) are added, unless
+# COMP_KNOWN_HOSTS_WITH_HOSTFILE is set to an empty value.
+# Usage: _known_hosts_real [OPTIONS] CWORD
+# Options:  -a             Use aliases
+#           -c             Use `:' suffix
+#           -F configfile  Use `configfile' for configuration settings
+#           -p PREFIX      Use PREFIX
+# Return: Completions, starting with CWORD, are added to COMPREPLY[]
+_known_hosts_real()
+{
+    local configfile flag prefix
+    local cur curd awkcur user suffix aliases i host
+    local -a kh khd config
+
+    local OPTIND=1
+    while getopts "acF:p:" flag "$@"; do
+        case $flag in
+            a) aliases='yes' ;;
+            c) suffix=':' ;;
+            F) configfile=$OPTARG ;;
+            p) prefix=$OPTARG ;;
+        esac
+    done
+    [[ $# -lt $OPTIND ]] && echo "error: $FUNCNAME: missing mandatory argument CWORD"
+    cur=${!OPTIND}; let "OPTIND += 1"
+    [[ $# -ge $OPTIND ]] && echo "error: $FUNCNAME("$@"): unprocessed arguments:"\
+    $(while [[ $# -ge $OPTIND ]]; do printf '%s\n' ${!OPTIND}; shift; done)
+
+    [[ $cur == *@* ]] && user=${cur%@*}@ && cur=${cur#*@}
+    kh=()
+
+    # ssh config files
+    if [[ -n $configfile ]]; then
+        [[ -r $configfile ]] && config+=( "$configfile" )
+    else
+        for i in /etc/ssh/ssh_config ~/.ssh/config ~/.ssh2/config; do
+            [[ -r $i ]] && config+=( "$i" )
+        done
+    fi
+
+    # Known hosts files from configs
+    if [[ ${#config[@]} -gt 0 ]]; then
+        local OIFS=$IFS IFS=$'\n' j
+        local -a tmpkh
+        # expand paths (if present) to global and user known hosts files
+        # TODO(?): try to make known hosts files with more than one consecutive
+        #          spaces in their name work (watch out for ~ expansion
+        #          breakage! Alioth#311595)
+        tmpkh=( $( awk 'sub("^[ \t]*([Gg][Ll][Oo][Bb][Aa][Ll]|[Uu][Ss][Ee][Rr])[Kk][Nn][Oo][Ww][Nn][Hh][Oo][Ss][Tt][Ss][Ff][Ii][Ll][Ee][ \t]+", "") { print $0 }' "${config[@]}" | sort -u ) )
+        IFS=$OIFS
+        for i in "${tmpkh[@]}"; do
+            # First deal with quoted entries...
+            while [[ $i =~ ^([^\"]*)\"([^\"]*)\"(.*)$ ]]; do
+                i=${BASH_REMATCH[1]}${BASH_REMATCH[3]}
+                j=${BASH_REMATCH[2]}
+                __expand_tilde_by_ref j # Eval/expand possible `~' or `~user'
+                [[ -r $j ]] && kh+=( "$j" )
+            done
+            # ...and then the rest.
+            for j in $i; do
+                __expand_tilde_by_ref j # Eval/expand possible `~' or `~user'
+                [[ -r $j ]] && kh+=( "$j" )
+            done
+        done
+    fi
+
+
+    if [