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https://github.com/NixOS/nixpkgs.git
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f620b1b693
- defined buildLinux as generic.nix instead of manual-config.nix. This makes kernel derivations a tad more similar to your typical derivations. - moved $buildRoot to within the source folder, this way it doesn't have to be created before the unpackPhase and make it easier to work on kernel source without running the unpackPhase
63 lines
2.1 KiB
Bash
Executable file
63 lines
2.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -e
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# Get the latest versions from kernel.org
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LINUXSED='s/.*linux-\([0-9]\+\(.[0-9]\+\)*\).*/\1/p'
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KDATA="$(curl -s https://www.kernel.org | sed -n -e '/Download complete/p')"
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VERSIONS=($(sed -n -e $LINUXSED <<< "$KDATA" | sort -Vr))
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# Remove mainline version if there is a stable update
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# Note due to sorting these two will always exist at the bottom
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if grep -q "^${VERSIONS[1]}" <<< "${VERSIONS[0]}"; then
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VERSIONS=(${VERSIONS[@]:0:1} ${VERSIONS[@]:2})
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fi
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# Inspect each file and see if it has the latest version
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NIXPKGS="$(git rev-parse --show-toplevel)"
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ls $NIXPKGS/pkgs/os-specific/linux/kernel | while read FILE; do
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KERNEL="$(sed -n $LINUXSED <<< "$FILE")"
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[ -z "$KERNEL" ] && continue
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# Find the matching new kernel version
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MATCHING=""
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for V in "${VERSIONS[@]}"; do
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if grep -q "^$KERNEL" <<< "$V"; then
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MATCHING="$V"
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break
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fi
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done
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if [ -z "$MATCHING" ]; then
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echo "Out-of-support $KERNEL"
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continue
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fi
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# Inspect the nix expression to check for changes
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DATA="$(<$NIXPKGS/pkgs/os-specific/linux/kernel/$FILE)"
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URL="$(sed -n -e 's/.*url = "\(.*\)";.*/\1/p' <<< "$DATA" | sed -e "s/\${version}/$MATCHING/g")"
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OLDVER=$(sed -n -e 's/.*version = "\(.*\)".*/\1/p' <<< "$DATA")
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if [ "$OLDVER" = "$V" ]; then
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echo "No updates for $KERNEL"
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continue
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fi
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# Download the new file for the hash
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if ! HASH="$(nix-prefetch-url $URL 2>/dev/null)"; then
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echo "Failed to get hash of $URL"
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continue
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fi
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sed -i "s/sha256 = \".*\"/sha256 = \"$HASH\"/g" $NIXPKGS/pkgs/os-specific/linux/kernel/$FILE
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# Rewrite the expression
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sed -i -e '/version = /d' -e '/modDirVersion = /d' $NIXPKGS/pkgs/os-specific/linux/kernel/$FILE
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if grep -q '^[0-9]\+.[0-9]\+$' <<< "$V"; then
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sed -i "\#buildLinux (args // rec {#a \ modDirVersion = \"${V}.0\";" $NIXPKGS/pkgs/os-specific/linux/kernel/$FILE
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fi
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sed -i "\#buildLinux (args // rec {#a \ version = \"$V\";" $NIXPKGS/pkgs/os-specific/linux/kernel/$FILE
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# Commit the changes
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git add -u $NIXPKGS/pkgs/os-specific/linux/kernel/$FILE
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git commit -m "kernel: $OLDVER -> $V" >/dev/null 2>&1
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echo "Updated $OLDVER -> $V"
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done
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