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#!/bin/bash
if [ $# -ne 2 ]; then
>&2 echo 'usage: update-kernel-config [repository] [kernel-name]'
exit 2
fi
old_revision=$(
sed -n '
s/^# upstream git\( revision\)\?: *//
T
p
' "/usr/src/archlinux32/packages/$1/$2/PKGBUILD"
)
if [ -z "${old_revision}" ]; then
>&2 echo 'Cannot determine old upstream git revision.'
>&2 echo '"# upstream git revision: ..." line is missing.'
exit 1
fi
config_names=$(
git -C "/usr/src/archlinux32/packages/$1/$2" archive HEAD -- | \
tar -t | \
grep '^config\($\|\.\)'
)
diff=$(
git -C "/usr/src/archlinux/packages/$2/repos/$1-x86_64" diff "${old_revision}" HEAD -- config | \
grep '^[+-].' | \
grep -v '^+++\|^---'
)
if [ -z "${diff}" ]; then
>&2 echo 'nothing changed.'
exit 1
fi
for config_name in ${config_names}; do
{
grep -vxF "$(
printf '%s\n' "${diff}" | \
sed -n '
s/^-//
T
p
'
)" "/usr/src/archlinux32/packages/$1/$2/${config_name}"
printf '%s\n' "${diff}" | \
sed -n '
s/^+//
T
p
'
} | \
sponge "/usr/src/archlinux32/packages/$1/$2/${config_name}"
done
sed -i '
1 s/^#.*$/# upstream git revision: '"$(
git -C "/usr/src/archlinux/packages" rev-parse HEAD
)"'/
s/'"$(
git -C "/usr/src/archlinux/packages/$2/repos/$1-x86_64" archive "${old_revision}" -- config | \
tar -Ox | \
sha256sum | \
awk '{print $1}'
)"'/'"$(
git -C "/usr/src/archlinux/packages/$2/repos/$1-x86_64" archive HEAD -- config | \
tar -Ox | \
sha256sum | \
awk '{print $1}'
)"'/g
'"$(
for config_name in ${config_names}; do
printf 's/'
git -C "/usr/src/archlinux32/packages/$1/$2" archive HEAD -- "${config_name}" | \
tar -Ox | \
sha256sum | \
awk '{print $1}' | \
tr -d '\n'
printf '/SKIP/g\n'
done
)" "/usr/src/archlinux32/packages/$1/$2/PKGBUILD"
|