summaryrefslogtreecommitdiffstats
path: root/kconfigpp
diff options
context:
space:
mode:
authorP. J. McDermott <pj@pehjota.net>2014-11-24 15:28:32 (EST)
committer P. J. McDermott <pj@pehjota.net>2014-11-24 15:28:32 (EST)
commitad6a802106dbb5432d8f65e3803f658abda8c7c6 (patch)
treef8070c4c1fed7193a240c053fc0d7d4abbf4d549 /kconfigpp
parent8ed1b04d2ac1e200a33338a00f35176cefdc8e7d (diff)
kconfigpp: Substitute variables
Diffstat (limited to 'kconfigpp')
-rw-r--r--kconfigpp/kconfigpp.sh37
1 files changed, 33 insertions, 4 deletions
diff --git a/kconfigpp/kconfigpp.sh b/kconfigpp/kconfigpp.sh
index 90b03f1..0518544 100644
--- a/kconfigpp/kconfigpp.sh
+++ b/kconfigpp/kconfigpp.sh
@@ -22,33 +22,62 @@ set -u
main()
{
+ local script=
+ local arg=
+ local var=
+ local val=
+
+ if [ ${#} -lt 1 ]; then
+ usage >&2
+ exit 1
+ fi
+
+ script=''
+ for arg in "${@}"; do
+ case "${arg}" in
+ *=*)
+ IFS='=' read var val <<-EOF
+ ${arg}
+ EOF
+ val="$(printf '%s' "${val}" | sed 's|/|\\/|g')"
+ script="${script}s/\$${var}/${val}/g;"
+ shift 1
+ ;;
+ *)
+ break
+ esac
+ done
+
if [ ${#} -ne 1 ]; then
usage >&2
exit 1
fi
- parse "${1}"
+ parse "${1}" "${script}"
}
usage()
{
- printf 'Usage: %s <kconfig-file>\n' "${0}"
+ printf 'Usage: %s [<var>=<val> ...] <kconfig-file>\n' "${0}"
}
parse()
{
local file="${1}"
+ local script="${2}"
local line=
while IFS='' read line; do
if [ "x${line}" != "x${line#source}" ]; then
line="$(printf '%s' "${line}" | \
sed 's/^source[ \t][ \t]*"*\([^"]*\).*$/\1/')"
- parse "${line}"
+ parse "${line}" "${script}"
else
printf '%s\n' "${line}"
fi
- done <"${file}"
+ done <<-EOF
+ $(sed "${script}" <"${file}")
+ EOF
}
main "${@}"