57 lines
1.1 KiB
Bash
57 lines
1.1 KiB
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0-only
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# bootconfig utility functions
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XBC_TMPFILE=
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XBC_BASEDIR=`dirname $0`
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BOOTCONFIG=${BOOTCONFIG:=$XBC_BASEDIR/../bootconfig}
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if [ ! -x "$BOOTCONFIG" ]; then
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BOOTCONFIG=`which bootconfig`
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if [ -z "$BOOTCONFIG" ]; then
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echo "Erorr: bootconfig command is not found" 1>&2
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exit 1
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fi
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fi
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xbc_cleanup() {
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if [ "$XBC_TMPFILE" ]; then
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rm -f "$XBC_TMPFILE"
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fi
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}
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xbc_init() { # bootconfig-file
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xbc_cleanup
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XBC_TMPFILE=`mktemp bconf-XXXX`
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trap xbc_cleanup EXIT TERM
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$BOOTCONFIG -l $1 > $XBC_TMPFILE || exit 1
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}
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nr_args() { # args
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echo $#
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}
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xbc_get_val() { # key [maxnum]
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if [ "$2" ]; then
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MAXOPT="-L $2"
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fi
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grep "^$1 =" $XBC_TMPFILE | cut -d= -f2- | \
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sed -e 's/", /" /g' -e "s/',/' /g" | \
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xargs $MAXOPT -n 1 echo
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}
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xbc_has_key() { # key
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grep -q "^$1 =" $XBC_TMPFILE
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}
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xbc_has_branch() { # prefix-key
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grep -q "^$1" $XBC_TMPFILE
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}
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xbc_subkeys() { # prefix-key depth [subkey-pattern]
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__keys=`echo $1 | sed "s/\./ /g"`
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__s=`nr_args $__keys`
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grep "^$1$3" $XBC_TMPFILE | cut -d= -f1| cut -d. -f$((__s + 1))-$((__s + $2)) | uniq
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}
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