saving uncommitted changes in /etc prior to emerge run

profile.d/._cfg0001_vte.sh

@@ -0,0 +1,65 @@
+# Copyright © 2006 Shaun McCance <shaunm@gnome.org>
+# Copyright © 2013 Peter De Wachter <pdewacht@gmail.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Not bash or zsh?
+[ -n "$BASH_VERSION" -o -n "$ZSH_VERSION" ] || return 0
+
+# Not an interactive shell?
+[[ $- == *i* ]] || return 0
+
+# Not running under vte?
+[ "${VTE_VERSION:-0}" -ge 3405 ] || return 0
+
+__vte_urlencode() (
+  # This is important to make sure string manipulation is handled
+  # byte-by-byte.
+  LC_ALL=C
+  str="$1"
+  while [ -n "$str" ]; do
+    safe="${str%%[!a-zA-Z0-9/:_\.\-\!\'\(\)~]*}"
+    printf "%s" "$safe"
+    str="${str#"$safe"}"
+    if [ -n "$str" ]; then
+      printf "%%%02X" "'$str"
+      str="${str#?}"
+    fi
+  done
+)
+
+# Print a warning so that anyone who's added this manually to his PS1 can adapt.
+# The function will be removed in a later version.
+__vte_ps1() {
+  echo -n "(__vte_ps1 is obsolete)"
+}
+
+__vte_osc7 () {
+  printf "\033]7;file://%s%s\a" "${HOSTNAME:-}" "$(__vte_urlencode "${PWD}")"
+}
+
+__vte_prompt_command() {
+  local pwd='~'
+  [ "$PWD" != "$HOME" ] && pwd=${PWD/#$HOME\//\~\/}
+  printf "\033]0;%s@%s:%s\007%s" "${USER}" "${HOSTNAME%%.*}" "${pwd}" "$(__vte_osc7)"
+}
+
+case "$TERM" in
+  xterm*|vte*)
+    [ -n "$BASH_VERSION" ] && PROMPT_COMMAND="__vte_prompt_command" 
+    [ -n "$ZSH_VERSION"  ] && precmd_functions+=(__vte_osc7)
+    ;;
+esac
+
+true