297 lines
9.0 KiB
Plaintext
297 lines
9.0 KiB
Plaintext
if [ ! "$_VARIABLE_SUBR" ]; then _VARIABLE_SUBR=1
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#
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# Copyright (c) 2012-2013 Devin Teske
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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############################################################ INCLUDES
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BSDCFG_SHARE="/usr/share/bsdconfig"
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. $BSDCFG_SHARE/common.subr || exit 1
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f_dprintf "%s: loading includes..." variable.subr
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f_include $BSDCFG_SHARE/dialog.subr
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f_include $BSDCFG_SHARE/strings.subr
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############################################################ GLOBALS
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VARIABLES=
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#
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# Default behavior is to call f_variable_set_defaults() when loaded.
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#
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: ${VARIABLE_SELF_INITIALIZE=1}
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#
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# File to write when f_dump_variables() is called.
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#
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: ${VARIABLE_DUMPFILE:=/etc/bsdconfig.vars}
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############################################################ FUNCTIONS
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# f_variable_new $handle $variable
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#
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# Register a new variable named $variable with the given reference-handle
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# $handle. The environment variable $handle is set to $variable allowing you to
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# use the f_getvar() function (from common.subr) with $handle to get the value
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# of environment variable $variable. For example:
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#
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# f_variable_new VAR_ABC abc
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#
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# allows the later indirection:
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#
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# f_getvar $VAR_ABC
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#
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# to return the value of environment variable `abc'. Variables registered in
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# this manner are recorded in the $VARIABLES environment variable for later
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# allowing dynamic enumeration of so-called `registered/advertised' variables.
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#
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f_variable_new()
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{
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local handle="$1" variable="$2"
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[ "$handle" ] || return $FAILURE
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f_dprintf "variable.subr: New variable %s -> %s" "$handle" "$variable"
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setvar $handle $variable
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VARIABLES="$VARIABLES${VARIABLES:+ }$handle"
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}
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# f_variable_get_value $var [ $fmt [ $opts ... ] ]
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#
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# Unless nonInteractive is set, prompt the user with a given value (pre-filled
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# with the value of $var) and give them the chance to change the value.
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#
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# Unlike f_getvar() (from common.subr) which can return a variable to the
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# caller on standard output, this function has no [meaningful] output.
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#
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# Returns success unless $var is either NULL or missing.
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#
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f_variable_get_value()
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{
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local var="$1" cp
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[ "$var" ] || return $FAILURE
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if ! { f_getvar $var cp && ! f_interactive; }; then
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shift 1 # var
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f_dialog_input cp "$( printf "$@" )" "$cp" && setvar $var "$cp"
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fi
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return $SUCCESS
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}
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# f_variable_set_defaults
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#
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# Installs sensible defaults for registered/advertised variables.
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#
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f_variable_set_defaults()
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{
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f_dprintf "f_variable_set_defaults: Initializing defaults..."
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#
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# Initialize various user-edittable values to their defaults
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#
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setvar $VAR_EDITOR "${EDITOR:-/usr/bin/ee}"
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setvar $VAR_FTP_STATE "auto"
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setvar $VAR_FTP_USER "ftp"
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setvar $VAR_HOSTNAME "$( hostname )"
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setvar $VAR_MEDIA_TIMEOUT "300"
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setvar $VAR_NFS_SECURE "NO"
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setvar $VAR_NFS_TCP "NO"
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setvar $VAR_NFS_V3 "YES"
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setvar $VAR_PKG_TMPDIR "/var/tmp"
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setvar $VAR_RELNAME "$UNAME_R"
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#
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# Debugging
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#
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if f_debugging; then
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local var
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for var in \
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$VAR_EDITOR \
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$VAR_FTP_STATE \
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$VAR_FTP_USER \
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$VAR_HOSTNAME \
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$VAR_MEDIA_TIMEOUT \
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$VAR_NFS_SECURE \
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$VAR_NFS_TCP \
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$VAR_NFS_V3 \
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$VAR_PKG_TMPDIR \
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$VAR_RELNAME \
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; do
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f_quietly f_getvar $var
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done
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fi
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f_dprintf "f_variable_set_defaults: Defaults initialized."
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}
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# f_dump_variables
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#
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# Dump a list of registered/advertised variables and their respective values to
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# $VARIABLE_DUMPFILE. Returns success unless the file couldn't be written. If
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# an error occurs, it is displayed using f_dialog_msgbox() (from dialog.subr).
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#
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f_dump_variables()
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{
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local err
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if ! err=$(
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( for handle in $VARIABLES; do
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f_getvar $handle var || continue
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f_getvar $var value || continue
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f_shell_escape "$value" value
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printf "%s='%s'\n" "$var" "$value"
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done > "$VARIABLE_DUMPFILE" ) 2>&1
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); then
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f_dialog_msgbox "$err"
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return $FAILURE
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fi
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}
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# f_debugging
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#
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# Are we in debug mode? Returns success if extra DEBUG information has been
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# requested (by setting $debug to non-NULL), otherwise false.
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#
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f_debugging()
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{
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local value
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f_getvar $VAR_DEBUG value && [ "$value" ]
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}
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# f_interactive
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#
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# Are we running interactively? Return error if $nonInteractive is set and non-
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# NULL, otherwise return success.
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#
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f_interactive()
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{
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local value
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! f_getvar $VAR_NONINTERACTIVE value || [ ! "$value" ]
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}
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# f_netinteractive
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#
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# Has the user specifically requested the network-portion of configuration and
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# setup to be performed interactively? Returns success if the user has asked
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# for the network configuration to be done interactively even if perhaps over-
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# all non-interactive mode has been requested (by setting nonInteractive).
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#
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# Returns success if $netInteractive is set and non-NULL.
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#
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f_netinteractive()
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{
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local value
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f_getvar $VAR_NETINTERACTIVE value && [ "$value" ]
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}
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# f_zfsinteractive
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#
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# Has the user specifically requested the ZFS-portion of configuration and
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# setup to be performed interactively? Returns success if the user has asked
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# for the ZFS configuration to be done interactively even if perhaps overall
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# non-interactive mode has been requested (by setting nonInteractive).
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#
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# Returns success if $zfsInteractive is set and non-NULL.
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#
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f_zfsinteractive()
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{
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local value
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f_getvar $VAR_ZFSINTERACTIVE value && [ "$value" ]
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}
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############################################################ MAIN
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#
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# Variables that can be tweaked from config files
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#
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# Handle Variable Name
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f_variable_new VAR_CONFIG_FILE configFile
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f_variable_new VAR_DEBUG debug
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f_variable_new VAR_DEBUG_FILE debugFile
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f_variable_new VAR_DIRECTORY_PATH _directoryPath
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f_variable_new VAR_DOMAINNAME domainname
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f_variable_new VAR_EDITOR editor
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f_variable_new VAR_EXTRAS ifconfig_
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f_variable_new VAR_FTP_DIR ftpDirectory
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f_variable_new VAR_FTP_HOST ftpHost
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f_variable_new VAR_FTP_PASS ftpPass
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f_variable_new VAR_FTP_PATH _ftpPath
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f_variable_new VAR_FTP_PORT ftpPort
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f_variable_new VAR_FTP_STATE ftpState
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f_variable_new VAR_FTP_USER ftpUser
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f_variable_new VAR_GATEWAY defaultrouter
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f_variable_new VAR_HOSTNAME hostname
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f_variable_new VAR_HTTP_DIR httpDirectory
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f_variable_new VAR_HTTP_FTP_MODE httpFtpMode
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f_variable_new VAR_HTTP_HOST httpHost
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f_variable_new VAR_HTTP_PATH _httpPath
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f_variable_new VAR_HTTP_PORT httpPort
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f_variable_new VAR_HTTP_PROXY httpProxy
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f_variable_new VAR_HTTP_PROXY_HOST httpProxyHost
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f_variable_new VAR_HTTP_PROXY_PATH _httpProxyPath
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f_variable_new VAR_HTTP_PROXY_PORT httpProxyPort
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f_variable_new VAR_IFCONFIG ifconfig_
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f_variable_new VAR_IPADDR ipaddr
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f_variable_new VAR_IPV6ADDR ipv6addr
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f_variable_new VAR_IPV6_ENABLE ipv6_activate_all_interfaces
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f_variable_new VAR_KEYMAP keymap
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f_variable_new VAR_MEDIA_TIMEOUT MEDIA_TIMEOUT
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f_variable_new VAR_MEDIA_TYPE mediaType
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f_variable_new VAR_NAMESERVER nameserver
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f_variable_new VAR_NETINTERACTIVE netInteractive
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f_variable_new VAR_NETMASK netmask
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f_variable_new VAR_NETWORK_DEVICE netDev
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f_variable_new VAR_NFS_HOST nfsHost
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f_variable_new VAR_NFS_PATH nfsPath
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f_variable_new VAR_NFS_SECURE nfs_reserved_port_only
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f_variable_new VAR_NFS_TCP nfs_use_tcp
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f_variable_new VAR_NFS_V3 nfs_use_v3
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f_variable_new VAR_NONINTERACTIVE nonInteractive
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f_variable_new VAR_NO_CONFIRM noConfirm
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f_variable_new VAR_NO_ERROR noError
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f_variable_new VAR_NO_INET6 noInet6
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f_variable_new VAR_PACKAGE package
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f_variable_new VAR_PKG_TMPDIR PKG_TMPDIR
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f_variable_new VAR_PORTS_PATH ports
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f_variable_new VAR_RELNAME releaseName
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f_variable_new VAR_SLOW_ETHER slowEthernetCard
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f_variable_new VAR_TRY_DHCP tryDHCP
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f_variable_new VAR_TRY_RTSOL tryRTSOL
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f_variable_new VAR_UFS_PATH ufs
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f_variable_new VAR_ZFSINTERACTIVE zfsInteractive
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#
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# Self-initialize unless requested otherwise
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#
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f_dprintf "%s: VARIABLE_SELF_INITIALIZE=[%s]" \
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variable.subr "$VARIABLE_SELF_INITIALIZE"
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case "$VARIABLE_SELF_INITIALIZE" in
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""|0|[Nn][Oo]|[Oo][Ff][Ff]|[Ff][Aa][Ll][Ss][Ee]) : do nothing ;;
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*) f_variable_set_defaults
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esac
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f_dprintf "%s: Successfully loaded." variable.subr
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fi # ! $_VARIABLE_SUBR
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