# Setup script for shell configuration files.
+# Copyright (C) 2011-2012 Simon Ruderich
+#
+# 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/>.
+
. ../lib.sh
+# Helper functions.
+terminal_info() {
+ infocmp "$@" 2>&1
+}
+terminal_available() {
+ terminal_info "$@" > /dev/null
+}
+# Check if `infocmp` is available.
+if ! infocmp > /dev/null 2>&1; then
+ echo 'Warning: `infocmp` not available! 256color checks will fail.'
+ echo
+fi
+
+
hostname=`hostname`
+# Create private temporary directory used by many tools (including GNU screen
+# and tmux).
+mkdir -p ~/.tmp
+chmod 0700 ~/.tmp
+
# Generate ~/.less with lesskey.
lesskey lesskey
chmod 0600 ~/.less
-# As screen-256color is not widely supported use it only on machines known to
-# work.
generate cat screenrc .in
-if [ $hostname != asp -a $hostname != systemofadown ]; then
+# As screen-256color is not widely supported use it only on machines where the
+# matching terminfo entry is available. This also requires a terminal emulator
+# which supports 256 colors. Also used for tmux.
+use_256colors=
+if terminal_available screen-256color; then
+ # Called through SSH connection, assume the local system supports 256
+ # colors.
+ if test -n "$SSH_CONNECTION"; then
+ use_256colors=1
+ # We have rxvt-unicode installed, check if it supports 256 colors.
+ elif installed urxvt; then
+ # Thanks to deryni in #rxvt-unicode on Freenode (2012-10-14 22:54
+ # CEST) for the strings/grep idea. The grep check is for "correct" 256
+ # rxvt-unicode binaries (e.g. Debian's rxvt-unicode-256color), the
+ # terminal_info check for manual installations which modify
+ # rxvt-unicode's terminfo entry.
+ urxvt_path=`which urxvt`
+ urxvt_grep=`strings "$urxvt_path" | grep '^TERM=rxvt-')`
+ if test x"$urxvt_grep" = 'xTERM=rxvt-unicode-256color' \
+ || terminal_info rxvt-unicode \
+ | grep -F 'colors#256' >/dev/null; then
+ use_256colors=1
+ fi
+ # Check if XTerm supports 256 colors (not a perfect check, but most XTerm
+ # support 256 colors).
+ elif terminal_available xterm-256color; then
+ use_256colors=1
+ fi
+fi
+if test -z "$use_256colors"; then
+ echo screenrc: removing 256 colors
sed 's/Enable 256 color/Disable 256 color/;
s/screen-256color/screen/' screenrc > screenrc.tmp
mv screenrc.tmp screenrc
fi
# I use some features of screen which are only in Git. Drop them on machines
# which have older versions. They are marked as "(GIT)".
-if [ $hostname != asp ]; then
+if test -d "$HOME/development/shell/screen"; then
echo screenrc: removing Git features
grep -v '(GIT)' screenrc > screenrc.tmp
mv screenrc.tmp screenrc
mv screenrc.tmp screenrc
fi
+# Htop overwrites the comments in its configuration file.
+generate cat htoprc .in
+
# Link setup for shells.
link shell ~/.shell
link bash ~/.bash
fi
link inputrc ~/.inputrc
link screenrc ~/.screenrc
+if installed tmux; then
+ generate perl tmux.conf ./bin/remove-continuation.pl
+ link tmux.conf ~/.tmux.conf
+fi
+if installed htop; then
+ link htoprc ~/.htoprc
+fi
# Create rlwrap history directory.
mkdir -p shell/rlwrap