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kernel-install: do not add kernel entry if already present

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The entry may be already present for example when reinstalling package,
or calling the script multiple times (which apparently is the case
during system installation).

(cherry picked from commit 4d4e7cc5e9)
This commit is contained in:
Marek Marczykowski-Górecki 2016-06-03 20:51:18 +02:00
parent c3cfafd265
commit 7c8f2c3d6d
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GPG Key ID: 063938BA42CFA724
1 changed files with 39 additions and 37 deletions
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76
system-config/kernel-xen-efi.install
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@ -15,48 +15,50 @@ fi
case "$COMMAND" in
add)
# take the default section and use it as a template for the new entry
awk -F = --assign "kver=${KVER}" '
/^\[/ {
# section header - previous section (if any) ended
if ! fgrep -q "[${KVER}]" $EFI_DIR/xen.cfg; then
# take the default section and use it as a template for the new entry
awk -F = --assign "kver=${KVER}" '
/^\[/ {
# section header - previous section (if any) ended
# if default section already processed, that is all
if (in_default) exit;
in_global=0;
in_default=0;
}
/\[global\]/ {
in_global=1;
}
/^\[/ {
if ("[" default_name "]" == $0) {
in_default=1;
print "[" kver "]";
next;
# if default section already processed, that is all
if (in_default) exit;
in_global=0;
in_default=0;
}
/\[global\]/ {
in_global=1;
}
}
/^default=/ {
if (in_global)
default_name=$2;
}
/^kernel=/ {
if (in_default) {
sub("=[^ ]*", "=vmlinuz-" kver);
/^\[/ {
if ("[" default_name "]" == $0) {
in_default=1;
print "[" kver "]";
next;
}
}
}
/^ramdisk=/ {
if (in_default) {
sub("=[^ ]*", "=initramfs-" kver ".img");
/^default=/ {
if (in_global)
default_name=$2;
}
}
{
if (in_default) {
print;
/^kernel=/ {
if (in_default) {
sub("=[^ ]*", "=vmlinuz-" kver);
}
}
}' $EFI_DIR/xen.cfg >> $EFI_DIR/xen.cfg
# then change the default
sed -e "s/default=.*/default=$KVER/" -i $EFI_DIR/xen.cfg
/^ramdisk=/ {
if (in_default) {
sub("=[^ ]*", "=initramfs-" kver ".img");
}
}
{
if (in_default) {
print;
}
}' $EFI_DIR/xen.cfg >> $EFI_DIR/xen.cfg
# then change the default
sed -e "s/default=.*/default=$KVER/" -i $EFI_DIR/xen.cfg
fi
cp "/boot/vmlinuz-$KVER" "$EFI_DIR/"
dracut -f "$EFI_DIR/initramfs-${KVER}.img" "$KVER"