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scripts/kernel-functions: Source code cleanup

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Fix a few shellcheck warnings, swap two if-statements and add a few comments.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9215 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2020-12-20 00:59:42 +00:00
parent 5a1f212ce6
commit 7657f17bf5
1 changed files with 33 additions and 25 deletions
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58
scripts/kernel-functions
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@@ -137,7 +137,7 @@ function patch_kernel {
# support for gcc 5") # v3.18. See also commit cb984d101b30
# ("compiler-gcc: integrate the various compiler-gcc[345].h
# files") # v4.2.
if kernel_version_le 2.6.29 $1 && kernel_version_lt $1 4.2; then
if kernel_version_le 2.6.29 "$1" && kernel_version_lt "$1" 4.2; then
# Tell the kernel that we are using gcc 4.6 since older kernel
# versions do not support recent gcc versions.
patch -f -s -p1 <<'EOF' ||
@@ -421,7 +421,7 @@ index d6d65537b0d9..6aad8308a0ac 100644
EOF
fi
if kernel_version_le 2.6.36 $1 && kernel_version_lt $1 4.8; then
if kernel_version_le 2.6.36 "$1" && kernel_version_lt "$1" 4.8; then
patch -f -s -p1 <<'EOF'
From c6a385539175ebc603da53aafb7753d39089f32e Mon Sep 17 00:00:00 2001
From: Borislav Petkov <bp@suse.de>
@@ -646,7 +646,7 @@ EOF
;;
esac
if kernel_version_le 3.2 $1 && kernel_version_lt $1 3.18; then
if kernel_version_le 3.2 "$1" && kernel_version_lt "$1" 3.18; then
patch -f -s -p1 <<'EOF'
From eeeda4cd06e828b331b15741a204ff9f5874d28d Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
@@ -688,7 +688,7 @@ EOF
# See also commit e33a814e772c ("scripts/dtc: Remove redundant YYLOC global
# declaration") # v5.6~10^2.
if kernel_version_lt $1 5.6; then
if kernel_version_lt "$1" 5.6; then
patch -p1 -f -s <<'EOF'
From e33a814e772cdc36436c8c188d8c42d019fda639 Mon Sep 17 00:00:00 2001
From: Dirk Mueller <dmueller@suse.com>
@@ -804,28 +804,36 @@ function download_and_extract_distro_rpm {
}
function download_and_extract_kernel_tree {
if [ -e "${kernel_tree}" ]; then
{ [ "${1/^}" = "$1" ] &&
(
cd "${kernel_tree}" &&
{
{ git tag -l "v$1" | grep -q '^v'; } ||
{
echo "Could not find tag v$1;" \
"updating git repository" 1>&2
git fetch origin
git fetch stable
}
} &&
{ git tag -l "v$1" | grep -q '^v'; } &&
git archive "v$1"
) | {
rm -rf "linux-$1" &&
mkdir "linux-$1" &&
tar -C "linux-$1" -xf- 2>/dev/null
}; } || download_and_extract_distro_rpm "$1"
if [ "${1/^}" = "$1" ]; then
# Upstream kernel.
if [ -e "${kernel_tree}" ]; then
# If a git kernel tree is available, obtain the kernel source code
# from that git tree.
(
cd "${kernel_tree}" &&
{
{ git tag -l "v$1" | grep -q '^v'; } ||
{
echo "Could not find tag v$1;" \
"updating git repository" 1>&2
git fetch origin
git fetch stable
}
} &&
{ git tag -l "v$1" | grep -q '^v'; } &&
git archive "v$1"
) | {
rm -rf "linux-$1" &&
mkdir "linux-$1" &&
tar -C "linux-$1" -xf- 2>/dev/null
}
else
# Otherwise download a source code tar file and extract it.
download_kernel "$1" && extract_kernel_tree "$1"
fi
else
download_kernel "$1" && extract_kernel_tree "$1"
# Distro kernel.
download_and_extract_distro_rpm "$1"
fi &&
(cd "linux-${1/^*}" && patch_kernel "${1/^*}")
}