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make: use bash to fetch dracut conf 'drivers' list

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dracut will process conf files with bash, and in fact it's common to
use idioms like += in conf files for string concatenation. The current
grep usage in the Makefile won't catch all possible valid 'drivers'
variable cases.

Instead, use bash to parse and echo the 'drivers' content

Fixes: #356

Signed-off-by: Cole Robinson <crobinso@redhat.com>
This commit is contained in:
Cole Robinson 2019-09-09 12:49:56 -04:00
parent 6daec98aaf
commit dec8013748
1 changed files with 2 additions and 1 deletions
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3
Makefile
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@ -43,7 +43,8 @@ ifeq (dracut,$(BUILD_METHOD))
DRACUT_OPTIONS := --no-compress --conf /dev/null --confdir $(DRACUT_CONF_DIR)
ifneq (,$(DRACUT_KVERSION))
DRACUT_KMODULES := $(shell grep "^drivers=" $(DRACUT_CONF_DIR)/10-drivers.conf | sed -E "s,^drivers=\"(.*)\"$$,\1,")
# Explicitly use bash, which is what dracut uses to process conf files
DRACUT_KMODULES := $(shell bash -c 'source $(DRACUT_CONF_DIR)/10-drivers.conf; echo "$$drivers"')
else
# If a kernel version is not specified, do not make systemd load modules
# at startup