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# "shell" command
#
# Copyright (C) 2014, 2015 Patrick "P. J." McDermott
#
# This file is part of the ProteanOS Development Kit.
#
# The ProteanOS Development Kit 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.
#
# The ProteanOS Development Kit 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 the ProteanOS Development Kit. If not, see
# <http://www.gnu.org/licenses/>.
cmd_shell_main()
{
local root=
local dev=
if [ ${#} -lt 1 ]; then
print_cmd_usage 'shell' >&2
return 1
fi
root="${1}"
shift 1
dev=''
if is_block "${root}"; then
dev="${root}"
if ! root="$(block_mount "${dev}")"; then
return 2
fi
fi
if ! profile_detect "${root}"; then
[ "x${dev}" != 'x' ] && block_umount "${root}"
return 2
fi
session_begin "${root}" . : false
if [ ${#} -eq 0 ]; then
session_exec /bin/sh
printf '\n'
info "$(get_msg 'cmd_shell_exiting')"
else
session_exec "${@}"
fi
session_end
[ "x${dev}" != 'x' ] && block_umount "${root}"
return 0
}
cmd_shell_register()
{
register_cmd 'shell'
}
__init cmd_shell_register
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