HOME/bin/mate-term-save-colors

#!/bin/sh

# Copyright (C) 2013, Giorgos Keramidas <gkeramidas@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

# Dump an executable form of all the mate-terminal keys associated with
# colors.  Running the resulting script should restore all color-related
# state of the terminal to whatever it was at the time the script was
# created.
#
# Inspired by:
# The setup scripts of solarized theme for gnome-terminal from:
# https://github.com/sigurdga/gnome-terminal-colors-solarized

# ----- startup code ---------------------------------------------------

# Save the original program invocation name, and the real path of the
# startup directory, for later use.
progdir=$( cd $(dirname "$0") ; /bin/pwd -P )
progname=$( basename "$0" )

# ----- misc functions -------------------------------------------------

#
# err exitval message
#   Display message to stderr and to the logfile, if any, and then
#   exit with exitval as the return code of the script.
#
err()
{
    exitval=$1
    shift

    log "$0: ERROR: $*"
    exit $exitval
}

#
# warn message
#   Display message to stderr and the log file.
#
warn()
{
    log "$0: WARNING: $*"
}

#
# info message
#   Display informational message to stderr and to the logfile.
#
info()
{
    log "$0: INFO: $*"
}

#
# debug message
#   Output message to stderr if debug_output_enabled is set to
#   'yes', 'true' or '1'.  Please AVOID calling any shell subroutine
#   that may recursively call debug().
#
debug()
{
    case ${debug_enabled} in
    [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
	log "$0: DEBUG: $*"
	;;
    esac
}

#
# log message
#   Print a log message to standard error.  If ${LOGFILE} is set
#   Output message to "${LOGFILE}" if it is set and is writable.
#
log()
{
    __timestamp="`date -u '+%Y-%m-%d %H:%M:%S'`"
    __msg="${__timestamp} [${progname}] -- $*"
    echo >&2 "${__msg}" 2>&1
    if [ -n "${LOGFILE}" ]; then
	echo "${__msg}" >> "${LOGFILE}"
    fi
}

# ----- main script body ------------------------------------------------

# The gconf-compatible tool to use for reading and writing gconf keys
# for the MATE desktop, and the application name under /apps/ to
# configure.  These are provisionaly set to work for the MATE desktop,
# but they can also be tweaked to work for GNOME 2.X by setting:
#
#   conftool='gconftool-2'
#   appname='gnome-terminal'

conftool='gconftool-2'
appname='mate-terminal'

# Basic command-line sanity checking.
if test $# -ne 0 && test $# -ne 1 ; then
    echo >&2 "usage: ${progname} [ PROFILE ]"
    exit 1
fi

# The name of the profile we are dumping can be passed as a command line
# argument, or auto-detected by peeking at:
# '/apps/${appname}/global/default_profile'
if test $# -eq 1 ; then
    profile="$1"
else
    key="/apps/${appname}/global/default_profile"
    profile=$( ${conftool} --get "${key}" 2>/dev/null )
    if test $? -ne 0 ; then
	debug "Cannot read configuration key: ${key}"
	err 1 "Cannot detect default profile name."
    fi
    unset key
fi

# Verify that the profile we are looking for really exists, by trying to
# read at least one key from it:
# '/apps/${appname}/profiles/${profile}/foreground_color'
key="/apps/${appname}/profiles/${profile}/foreground_color"
${conftool} --get "${key}" > /dev/null 2>&1
if test $? -ne 0 ; then
    debug "Cannot read configuration key: ${key}"
    err 1 "Profile ${profile} cannot be found."
fi
unset key

# dumpkey TYPE KEY
#   Dump a configuration key to standard output, as a shell command that
#   will _set_ it to its current value, using the associated type.
dumpkey()
{
    if test $# -ne 2 || test -z "$1" || test -z "$2" ; then
        debug "dumpkey() requires exactly 2 non-empty arguments,"
        debug "but it was invoked with:"
        debug "    \"$1\""
        debug "    \"$2\""
        return 1
    fi
    __type="$1"
    __key="$2"

    __value=$( ${conftool} --get "${__key}" )
    if test $? -ne 0 ; then
        err 1 "Cannot read key \"${__key}\""
    fi
    echo "${conftool} --set --type \"${__type}\""                       \
        "\"${__key}\" \"${__value}\""
}

dumpkey "string" "/apps/${appname}/profiles/${profile}/background_color"
dumpkey "string" "/apps/${appname}/profiles/${profile}/bold_color"
dumpkey "bool"   "/apps/${appname}/profiles/${profile}/bold_color_same_as_fg"
dumpkey "string" "/apps/${appname}/profiles/${profile}/foreground_color"
dumpkey "string" "/apps/${appname}/profiles/${profile}/palette"