3283e5f595
Most boards use BR2_KERNEL_HEADERS_AS_KERNEL with their custom kernels.
So when creating their custom hash files, the linux-headers.hash is the
same as linux.hash. In this case we symlink linux-headers to linux to
make maintenance easier. Update the add-custom-hashes tool to explicitly
handle this case.
Signed-off-by: Brandon Maier <brandon.maier@collins.com>
[Peter: use cmp -s]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit d506e232e7)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
112 lines
3.1 KiB
Bash
Executable File
112 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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# Add hash files for packages with custom versions for
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# BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
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#
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# Run in a configured Buildroot directory, E.G.
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# make foo_defconfig; ./utils/add-custom-hashes
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# print BR-style message
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# message <info message>
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message() {
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tput smso 2>/dev/null
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echo "$*"
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tput rmso 2>/dev/null
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}
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# print error message and exit
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# die <error message>
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die() {
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echo "Error: $*" >&2
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exit 1
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}
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# get package(s) for download file, if any
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# get_pkgs <json> <file>
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get_pkgs() {
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jq --arg file "$2" -r \
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'to_entries[] | select(.value.downloads[0].source == $file) | .key | strings' "$1"
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}
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# get download dir for package
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# get_pkg_dl_dir <json> <package>
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get_pkg_dl_dir() {
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jq --arg pkg "$2" -r '.[$pkg].dl_dir | strings' "$1"
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}
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# generate hash file for download file
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# gen_hash <dir> <file>
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gen_hash() {
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(
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cd "$1" && printf '# Locally calculated\nsha256 ' && sha256sum "$2"
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)
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}
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command -v jq >/dev/null || die 'Script needs jq'
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[ -e .config ] || \
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die "No .config found, please run this in a configured Buildroot (O=) directory"
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message Collecting data
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eval "$(make -s VARS='TOPDIR DL_DIR BR_NO_CHECK_HASH_FOR BR2_GLOBAL_PATCH_DIR' QUOTED_VARS=YES printvars)"
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# global patch dir may already have quotes
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BR2_GLOBAL_PATCH_DIR=$(echo "$BR2_GLOBAL_PATCH_DIR" | tr -d '"')
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[ -n "$BR2_GLOBAL_PATCH_DIR" ] || die "No BR2_GLOBAL_PATCH_DIR defined, nothing to do"
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[ -n "$BR_NO_CHECK_HASH_FOR" ] || die "No packages without hashes found, nothing to do"
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[ -d "$TOPDIR" ] || die "TOPDIR ($TOPDIR) does not look correct"
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[ -d "$DL_DIR" ] || die "DL_DIR ($DL_DIR) does not look correct"
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# patch dir may contain multiple dirs, use the last one
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# shellcheck disable=SC2086 # we need the word splitting
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set -- $BR2_GLOBAL_PATCH_DIR
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if [ $# -gt 1 ]; then
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BR2_GLOBAL_PATCH_DIR="${!#}";
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message BR2_GLOBAL_PATCH_DIR contains multiple directories, using "$BR2_GLOBAL_PATCH_DIR"
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fi
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# patch dir may be relative to TOPDIR
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case "$BR2_GLOBAL_PATCH_DIR" in
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/*) ;;
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*) BR2_GLOBAL_PATCH_DIR="$TOPDIR/$BR2_GLOBAL_PATCH_DIR"
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;;
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esac
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[ -d "$BR2_GLOBAL_PATCH_DIR" ] \
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|| die "BR2_GLOBAL_PATCH_DIR ($BR2_GLOBAL_PATCH_DIR) does not look correct"
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trap 'rm -f "$JSON"' EXIT
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JSON=$(mktemp)
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make show-info > "$JSON"
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# ensure files have been downloaded, but without checking
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make BR2_DOWNLOAD_FORCE_CHECK_HASHES= source
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message Updating hashes
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for file in $BR_NO_CHECK_HASH_FOR; do
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for pkg in $(get_pkgs "$JSON" "$file"); do
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HASHFILE="$BR2_GLOBAL_PATCH_DIR/$pkg/$pkg.hash"
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PKG_DL_DIR=$(get_pkg_dl_dir "$JSON" "$pkg")
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message "Adding hash for $file to $HASHFILE"
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mkdir -p "${HASHFILE%/*}"
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gen_hash "$DL_DIR/$PKG_DL_DIR" "$file" > "$HASHFILE"
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done
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done
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# Symlink linux-headers to linux if identical
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linux_hash="$BR2_GLOBAL_PATCH_DIR/linux/linux.hash"
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linux_headers_hash="$BR2_GLOBAL_PATCH_DIR/linux-headers/linux-headers.hash"
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if [ -e "$linux_hash" ] && [ -e "$linux_headers_hash" ] \
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&& cmp -s "$linux_hash" "$linux_headers_hash"; then
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ln -sf ../linux/linux.hash "$linux_headers_hash"
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fi
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message Verifying hashes
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make clean
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make BR2_DOWNLOAD_FORCE_CHECK_HASHES=y source
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