diff options
-rwxr-xr-x | get_chromium_toolchain_strings.sh | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/get_chromium_toolchain_strings.sh b/get_chromium_toolchain_strings.sh new file mode 100755 index 0000000..483d66f --- /dev/null +++ b/get_chromium_toolchain_strings.sh @@ -0,0 +1,70 @@ +#!/bin/bash + +# This script extracts version information from Chromium sources by way of a Gentoo ebuild +# then plugs the version information into the ebuild file. This is useful for updating the +# toolchain versions in the ebuild file when a new (major) version of Chromium is released. + +# Usage: get_chromium_toolchain_strings.sh <ebuild_file> +# <ebuild_file>: The path to the Chromium ebuild file + +# Extract the version string from an ebuild +get_version() { + local filename="$1" + [[ -z "$filename" ]] && return 1 # Check for empty filename + local version_match="${filename##*-}"; # Extract everything after the last hyphen + version_match="${version_match%.*}" # Remove extension (.ebuild) + echo "$version_match" +} + +# Display script usage +usage() { + echo "Usage: get_chromium_toolchain_strings.sh <ebuild_file>" + echo " <ebuild_file>: The path to the Chromium ebuild file" +} + +# Get the ebuild filename as the first argument +ebuild_file="$1" + +# Check for missing argument +if [[ -z "$ebuild_file" ]]; then + echo "Error: Please provide an ebuild filename as an argument." + usage + exit 1 +fi + +# Extract version from filename +version="$(get_version "$ebuild_file")" + +# Check if version extraction failed (function return code) +if [[ $? -ne 0 ]]; then + echo "Error: Could not extract version from filename." + exit 1 +fi + +# Construct S string based on version +# Bad luck if you don't use /var/tmp/portage, I guess. +S="/var/tmp/portage/www-client/chromium-${version}/work/chromium-${version}/" + +# Run ebuild with clean and unpack options +ebuild "$ebuild_file" clean unpack + +# No secret sauce here - it's just simpler to set the field separator to a single quote +# and then extract the final character from the sub-revision field. +# This is a bit of a hack, but it works for now - I haven't see upstream go past the +# 9th sub-revision yet! + +llvm_version=$(awk -F"'" ' +/CLANG_REVISION =/ { revision = $2 } +/CLANG_SUB_REVISION =/ { printf("%s-%d\n", revision, substr($1, length($1), 1)) } +' "${S}/tools/clang/scripts/update.py") + +rust_version=$(awk -F"'" ' +/RUST_REVISION =/ { revision = $2 } +/RUST_SUB_REVISION =/ { printf("%s-%d\n", revision, substr($1, length($1), 1)) } +' "${S}/tools/rust/update_rust.py") + +# Substitute versions into ebuild (assuming specific locations) +sed -i "s/GOOGLE_CLANG_VER=.*/GOOGLE_CLANG_VER=${llvm_version}/" "$ebuild_file" +sed -i "s/GOOGLE_RUST_VER=.*/GOOGLE_RUST_VER=${rust_version}/" "$ebuild_file" + +echo "Successfully substituted versions into $ebuild_file" |