go.mod to static bitbake recipe

go-mod-to-bitbake.py

#!/usr/bin/env python3

import re
import sys
import subprocess


def get_commit_hash(repo_url, version_tag):
    command = ["git", "ls-remote", "--tags", "--refs", repo_url]
    result = subprocess.run(command, capture_output=True, text=True)

    if result.returncode == 0:
        for line in result.stdout.splitlines():
            ref = line.split('\t')[-1]  # Extract the reference part
            if version_tag in ref:
                # Get the commit hash
                return line.split('\t')[0].strip()
    else:
        raise RuntimeError("Error:", result.stderr)


def parse_go_mod(file_path):
    dependencies = []

    with open(file_path, 'r') as file:
        content = file.read()

    # Extract require blocks
    require_blocks = re.findall(r'require\s*\(\s*(.*?)\s*\)', content, re.DOTALL)

    for block in require_blocks:
        # Extract each dependency
        dependencies.extend(re.findall(r'\s*(.*?)\s+(v[^\s]+)\s*', block))

    return dependencies


def build_src_uri(deps):
    def sanitize(url):
        url = '/'.join(url.split('/')[:3])
        url = url.replace('golang.org/x', 'github.com/golang')
        return url

    #               git://github.com/golang/sys;protocol=https;name=go-sys;destsuffix=${BPN}-${PV}/src/golang.org/x/sys \
    print('SRC_URI = "\\')
    print('\tgit://${GO_IMPORT};nobranch=1;protocol=https \\')
    SRC_URI_FMT = 'git://%s;protocol=https;name=%s;nobranch=1;destsuffix=${BPN}-${PV}/src/%s'

    deps_sanitized = []
    for url, version in deps:
        url_san = sanitize(url)
        mod_name = url_san.split('/')[-1]
        if not mod_name.startswith('go-'):
            mod_name = 'go-' + mod_name
        deps_sanitized.append((url_san, url, version, mod_name))

    for url, url_orig, version, mod_name in deps_sanitized:
        src_uri = SRC_URI_FMT % (url, mod_name, url_orig)
        print('\t' + src_uri + ' \\')
    print('\"')

    for url, _, version, mod_name in deps_sanitized:
        try:
            sha = get_commit_hash('https://' + url + '.git', version)
        except RuntimeError:
            sha = get_commit_hash('git://' + url + '.git', version)
        print(f'SRCREV_{mod_name} = \"{sha}\"')

if __name__ == "__main__":
    go_mod_path = sys.argv[1]

    dependencies = parse_go_mod(go_mod_path)
    build_src_uri(dependencies)