| common.subr (245402) | common.subr (247280) |
|---|---|
| 1if [ ! "$_COMMON_SUBR" ]; then _COMMON_SUBR=1 2# 3# Copyright (c) 2012 Ron McDowell | 1if [ ! "$_COMMON_SUBR" ]; then _COMMON_SUBR=1 2# 3# Copyright (c) 2012 Ron McDowell |
| 4# Copyright (c) 2012 Devin Teske | 4# Copyright (c) 2012-2013 Devin Teske |
| 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright --- 7 unchanged lines hidden (view full) --- 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# | 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright --- 7 unchanged lines hidden (view full) --- 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# |
| 28# $FreeBSD: head/usr.sbin/bsdconfig/share/common.subr 245402 2013-01-14 01:15:25Z dteske $ | 28# $FreeBSD: head/usr.sbin/bsdconfig/share/common.subr 247280 2013-02-25 19:55:32Z dteske $ |
| 29# 30############################################################ CONFIGURATION 31 32# 33# Default file descriptors to link to stdout/stderr for passthru allowing 34# redirection within a sub-shell to bypass directly to the terminal. 35# 36: ${TERMINAL_STDOUT_PASSTHRU:=3}} --- 85 unchanged lines hidden (view full) --- 122# Returns error status if the requested variable ($var_to_get) is not set. 123# 124# If $var_to_set is missing or NULL, the value of $var_to_get is printed to 125# standard output for capturing in a sub-shell (which is less-recommended 126# because of performance degredation; for example, when called in a loop). 127# 128f_getvar() 129{ | 29# 30############################################################ CONFIGURATION 31 32# 33# Default file descriptors to link to stdout/stderr for passthru allowing 34# redirection within a sub-shell to bypass directly to the terminal. 35# 36: ${TERMINAL_STDOUT_PASSTHRU:=3}} --- 85 unchanged lines hidden (view full) --- 122# Returns error status if the requested variable ($var_to_get) is not set. 123# 124# If $var_to_set is missing or NULL, the value of $var_to_get is printed to 125# standard output for capturing in a sub-shell (which is less-recommended 126# because of performance degredation; for example, when called in a loop). 127# 128f_getvar() 129{ |
| 130 local var_to_get="$1" var_to_set="$2" 131 [ "$var_to_set" ] || local value 132 eval ${var_to_set:-value}=\"\${$var_to_get}\" 133 eval [ \"\${$var_to_get+set}\" ] 134 local retval=$? | 130 local __var_to_get="$1" __var_to_set="$2" 131 [ "$__var_to_set" ] || local value 132 eval ${__var_to_set:-value}=\"\${$__var_to_get}\" 133 eval [ \"\${$__var_to_get+set}\" ] 134 local __retval=$? |
| 135 eval f_dprintf '"f_getvar: var=[%s] value=[%s] r=%u"' \ | 135 eval f_dprintf '"f_getvar: var=[%s] value=[%s] r=%u"' \ |
| 136 \"\$var_to_get\" \"\$${var_to_set:-value}\" \$retval 137 [ "$var_to_set" ] || { [ "$value" ] && echo "$value"; } 138 return $retval | 136 \"\$__var_to_get\" \"\$${__var_to_set:-value}\" \$__retval 137 [ "$__var_to_set" ] || { [ "$value" ] && echo "$value"; } 138 return $__retval |
| 139} 140 141# f_die [ $status [ $fmt [ $opts ... ]]] 142# 143# Abruptly terminate due to an error optionally displaying a message in a 144# dialog box using printf(1) syntax. 145# 146f_die() --- 422 unchanged lines hidden (view full) --- 569 local indexdir="${indexfile%/*}" 570 [ "$indexdir" != "$indexfile" ] || indexdir="." 571 command="$indexdir/$command" 572 esac 573 574 echo "$command" 575} 576 | 139} 140 141# f_die [ $status [ $fmt [ $opts ... ]]] 142# 143# Abruptly terminate due to an error optionally displaying a message in a 144# dialog box using printf(1) syntax. 145# 146f_die() --- 422 unchanged lines hidden (view full) --- 569 local indexdir="${indexfile%/*}" 570 [ "$indexdir" != "$indexfile" ] || indexdir="." 571 command="$indexdir/$command" 572 esac 573 574 echo "$command" 575} 576 |
| 577# f_running_as_init 578# 579# Returns true if running as init(1). 580# 581f_running_as_init() 582{ 583 # 584 # When a custom init(8) performs an exec(3) to invoke a shell script, 585 # PID 1 becomes sh(1) and $PPID is set to 1 in the executed script. 586 # 587 [ ${PPID:-0} -eq 1 ] # Return status 588} 589 590# f_mounted $local_directory 591# 592# Return success if a filesystem is mounted on a particular directory. 593# 594f_mounted() 595{ 596 local dir="$1" 597 [ -d "$dir" ] || return $FAILURE 598 mount | grep -Eq " on $dir \([^)]+\)$" 599} 600 |
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| 577############################################################ MAIN 578 579# 580# Trap signals so we can recover gracefully 581# 582trap 'f_interrupt' SIGINT 583trap 'f_die' SIGTERM SIGPIPE SIGXCPU SIGXFSZ \ 584 SIGFPE SIGTRAP SIGABRT SIGSEGV --- 41 unchanged lines hidden --- | 601############################################################ MAIN 602 603# 604# Trap signals so we can recover gracefully 605# 606trap 'f_interrupt' SIGINT 607trap 'f_die' SIGTERM SIGPIPE SIGXCPU SIGXFSZ \ 608 SIGFPE SIGTRAP SIGABRT SIGSEGV --- 41 unchanged lines hidden --- |