feat: Add flatpak build tools

.gitignore

@@ -2,6 +2,8 @@
 # will have compiled files and executables
 debug/
 target/
+flatpak/build
+flatpak/.flatpak-builder
 
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
@@ -17,4 +19,4 @@ Cargo.lock
 # Added by cargo
 
 /target
-.idea/
+.idea/

Cargo.toml

@@ -5,10 +5,9 @@ edition = "2021"
 description = "A wip universal Linux settings application."
 
 [dependencies]
-ReSet-Lib = "*"
-adw = { version = "*", package = "libadwaita", features = ["v1_4"]}
+adw = { version = "0.5.3", package = "libadwaita", features = ["v1_4"]}
 dbus = "0.9.7"
-gtk = { version = "*", package = "gtk4", features = ["v4_12"]}
+gtk = { version = "0.7.3", package = "gtk4", features = ["v4_12"]}
 
 [build-dependencies]
-glib-build-tools = "*"
+glib-build-tools = "0.18.0"

flatpak/flatpak-generator.py

@@ -0,0 +1,381 @@
+#!/usr/bin/env python3
+
+# provided by flatpak -> flatpak-builder-tools
+# https://github.com/flatpak/flatpak-builder-tools/tree/master/cargo
+__license__ = 'MIT'
+import json
+from urllib.parse import urlparse, ParseResult, parse_qs
+import os
+import contextlib
+import glob
+import subprocess
+import argparse
+import logging
+import hashlib
+import asyncio
+import aiohttp
+import toml
+
+CRATES_IO = 'https://static.crates.io/crates'
+CARGO_HOME = 'cargo'
+CARGO_CRATES = f'{CARGO_HOME}/vendor'
+VENDORED_SOURCES = 'vendored-sources'
+GIT_CACHE = 'flatpak-cargo/git'
+COMMIT_LEN = 7
+
+
+@contextlib.contextmanager
+def workdir(path: str):
+    oldpath = os.getcwd()
+    os.chdir(path)
+    try:
+        yield
+    finally:
+        os.chdir(oldpath)
+
+
+def canonical_url(url):
+    'Converts a string to a Cargo Canonical URL, as per https://github.com/rust-lang/cargo/blob/35c55a93200c84a4de4627f1770f76a8ad268a39/src/cargo/util/canonical_url.rs#L19'
+    # Hrm. The upstream cargo does not replace those URLs, but if we don't then it doesn't work too well :(
+    url = url.replace('git+https://', 'https://')
+    u = urlparse(url)
+    # It seems cargo drops query and fragment
+    u = ParseResult(u.scheme, u.netloc, u.path, None, None, None)
+    u = u._replace(path = u.path.rstrip('/'))
+
+    if u.netloc == 'github.com':
+        u = u._replace(scheme = 'https')
+        u = u._replace(path = u.path.lower())
+
+    if u.path.endswith('.git'):
+        u = u._replace(path = u.path[:-len('.git')])
+
+    return u
+
+
+def get_git_tarball(repo_url, commit):
+    url = canonical_url(repo_url)
+    path = url.path.split('/')[1:]
+
+    assert len(path) == 2
+    owner = path[0]
+    if path[1].endswith('.git'):
+        repo = path[1].replace('.git', '')
+    else:
+        repo = path[1]
+    if url.hostname == 'github.com':
+        return f'https://codeload.{url.hostname}/{owner}/{repo}/tar.gz/{commit}'
+    elif url.hostname.split('.')[0] == 'gitlab':
+        return f'https://{url.hostname}/{owner}/{repo}/-/archive/{commit}/{repo}-{commit}.tar.gz'
+    elif url.hostname == 'bitbucket.org':
+        return f'https://{url.hostname}/{owner}/{repo}/get/{commit}.tar.gz'
+    else:
+        raise ValueError(f'Don\'t know how to get tarball for {repo_url}')
+
+
+async def get_remote_sha256(url):
+    logging.info(f"started sha256({url})")
+    sha256 = hashlib.sha256()
+    async with aiohttp.ClientSession(raise_for_status=True) as http_session:
+        async with http_session.get(url) as response:
+            while True:
+                data = await response.content.read(4096)
+                if not data:
+                    break
+                sha256.update(data)
+    logging.info(f"done sha256({url})")
+    return sha256.hexdigest()
+
+
+def load_toml(tomlfile='Cargo.lock'):
+    with open(tomlfile, 'r') as f:
+        toml_data = toml.load(f)
+    return toml_data
+
+
+def git_repo_name(git_url, commit):
+    name = canonical_url(git_url).path.split('/')[-1]
+    return f'{name}-{commit[:COMMIT_LEN]}'
+
+
+def fetch_git_repo(git_url, commit):
+    repo_dir = git_url.replace('://', '_').replace('/', '_')
+    cache_dir = os.environ.get('XDG_CACHE_HOME', os.path.expanduser('~/.cache'))
+    clone_dir = os.path.join(cache_dir, 'flatpak-cargo', repo_dir)
+    if not os.path.isdir(os.path.join(clone_dir, '.git')):
+        subprocess.run(['git', 'clone', '--depth=1', git_url, clone_dir], check=True)
+    rev_parse_proc = subprocess.run(['git', 'rev-parse', 'HEAD'], cwd=clone_dir, check=True,
+                                    stdout=subprocess.PIPE)
+    head = rev_parse_proc.stdout.decode().strip()
+    if head[:COMMIT_LEN] != commit[:COMMIT_LEN]:
+        subprocess.run(['git', 'fetch', 'origin', commit], cwd=clone_dir, check=True)
+        subprocess.run(['git', 'checkout', commit], cwd=clone_dir, check=True)
+    return clone_dir
+
+
+async def get_git_repo_packages(git_url, commit):
+    logging.info('Loading packages from %s', git_url)
+    git_repo_dir = fetch_git_repo(git_url, commit)
+    packages = {}
+
+    with workdir(git_repo_dir):
+        if os.path.isfile('Cargo.toml'):
+            packages.update(await get_cargo_toml_packages(load_toml('Cargo.toml'), '.'))
+        else:
+            for toml_path in glob.glob('*/Cargo.toml'):
+                packages.update(await get_cargo_toml_packages(load_toml(toml_path),
+                                                              os.path.dirname(toml_path)))
+
+    assert packages, f"No packages found in {git_repo_dir}"
+    logging.debug('Packages in %s:\n%s', git_url, json.dumps(packages, indent=4))
+    return packages
+
+
+async def get_cargo_toml_packages(root_toml, root_dir):
+    assert not os.path.isabs(root_dir) and os.path.isdir(root_dir)
+    assert 'package' in root_toml or 'workspace' in root_toml
+    packages = {}
+    excluded_paths = None
+
+    def is_excluded(path):
+        if not excluded_paths:
+            return False
+        return any(os.path.commonpath([excluded_path, path]) == excluded_path
+                   for excluded_path in excluded_paths)
+
+    async def get_dep_packages(entry, toml_dir):
+        assert not os.path.isabs(toml_dir)
+        # https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html
+        if 'dependencies' in entry:
+            for dep_name, dep in entry['dependencies'].items():
+                if 'package' in dep:
+                    dep_name = dep['package']
+                if 'path' not in dep:
+                    continue
+                if dep_name in packages:
+                    continue
+                dep_dir = os.path.normpath(os.path.join(toml_dir, dep['path']))
+                if is_excluded(dep_dir):
+                    logging.warning("Excluded dependency at %s", dep_dir)
+                    return
+                logging.debug("Loading dependency %s from %s", dep_name, dep_dir)
+                dep_toml = load_toml(os.path.join(dep_dir, 'Cargo.toml'))
+                assert dep_toml['package']['name'] == dep_name, toml_dir
+                await get_dep_packages(dep_toml, dep_dir)
+                packages[dep_name] = dep_dir
+        if 'target' in entry:
+            for _, target in entry['target'].items():
+                await get_dep_packages(target, toml_dir)
+
+    if 'package' in root_toml:
+        await get_dep_packages(root_toml, root_dir)
+        packages[root_toml['package']['name']] = root_dir
+
+    if 'workspace' in root_toml:
+        workspace = root_toml['workspace']
+        if 'exclude' in workspace:
+            excluded_paths = [os.path.normpath(os.path.join(root_dir, excluded))
+                              for excluded in workspace['exclude']]
+        for member in workspace.get('members', []):
+            for subpkg_toml in glob.glob(os.path.join(root_dir, member, 'Cargo.toml')):
+                subpkg = os.path.normpath(os.path.dirname(subpkg_toml))
+                if is_excluded(subpkg):
+                    logging.warning("Excluded member at %s", subpkg)
+                    continue
+                logging.debug("Loading workspace member %s in %s", member, root_dir)
+                pkg_toml = load_toml(subpkg_toml)
+                await get_dep_packages(pkg_toml, subpkg)
+                packages[pkg_toml['package']['name']] = subpkg
+
+    return packages
+
+
+async def get_git_repo_sources(url, commit, tarball=False):
+    name = git_repo_name(url, commit)
+    if tarball:
+        tarball_url = get_git_tarball(url, commit)
+        git_repo_sources = [{
+            'type': 'archive',
+            'archive-type': 'tar-gzip',
+            'url': tarball_url,
+            'sha256': await get_remote_sha256(tarball_url),
+            'dest': f'{GIT_CACHE}/{name}',
+        }]
+    else:
+        git_repo_sources = [{
+            'type': 'git',
+            'url': url,
+            'commit': commit,
+            'dest': f'{GIT_CACHE}/{name}',
+        }]
+    return git_repo_sources
+
+
+async def get_git_package_sources(package, git_repos):
+    name = package['name']
+    source = package['source']
+    commit = urlparse(source).fragment
+    assert commit, 'The commit needs to be indicated in the fragement part'
+    canonical = canonical_url(source)
+    repo_url = canonical.geturl()
+
+    git_repo = git_repos.setdefault(repo_url, {
+        'commits': {},
+        'lock': asyncio.Lock(),
+    })
+    async with git_repo['lock']:
+        if commit not in git_repo['commits']:
+            git_repo['commits'][commit] = await get_git_repo_packages(repo_url, commit)
+
+    cargo_vendored_entry = {
+        repo_url: {
+            'git': repo_url,
+            'replace-with': VENDORED_SOURCES,
+        }
+    }
+    rev = parse_qs(urlparse(source).query).get('rev')
+    tag = parse_qs(urlparse(source).query).get('tag')
+    branch = parse_qs(urlparse(source).query).get('branch')
+    if rev:
+        assert len(rev) == 1
+        cargo_vendored_entry[repo_url]['rev'] = rev[0]
+    elif tag:
+        assert len(tag) == 1
+        cargo_vendored_entry[repo_url]['tag'] = tag[0]
+    elif branch:
+        assert len(branch) == 1
+        cargo_vendored_entry[repo_url]['branch'] = branch[0]
+
+    logging.info("Adding package %s from %s", name, repo_url)
+    pkg_subpath = git_repo['commits'][commit][name]
+    pkg_repo_dir = os.path.join(GIT_CACHE, git_repo_name(repo_url, commit), pkg_subpath)
+    git_sources = [
+        {
+            'type': 'shell',
+            'commands': [
+                f'cp -r --reflink=auto "{pkg_repo_dir}" "{CARGO_CRATES}/{name}"'
+            ],
+        },
+        {
+            'type': 'inline',
+            'contents': json.dumps({'package': None, 'files': {}}),
+            'dest': f'{CARGO_CRATES}/{name}', #-{version}',
+            'dest-filename': '.cargo-checksum.json',
+        }
+    ]
+
+    return (git_sources, cargo_vendored_entry)
+
+
+async def get_package_sources(package, cargo_lock, git_repos):
+    metadata = cargo_lock.get('metadata')
+    name = package['name']
+    version = package['version']
+
+    if 'source' not in package:
+        logging.debug('%s has no source', name)
+        return
+    source = package['source']
+
+    if source.startswith('git+'):
+        return await get_git_package_sources(package, git_repos)
+
+    key = f'checksum {name} {version} ({source})'
+    if metadata is not None and key in metadata:
+        checksum = metadata[key]
+    elif 'checksum' in package:
+        checksum = package['checksum']
+    else:
+        logging.warning(f'{name} doesn\'t have checksum')
+        return
+    crate_sources = [
+        {
+            'type': 'archive',
+            'archive-type': 'tar-gzip',
+            'url': f'{CRATES_IO}/{name}/{name}-{version}.crate',
+            'sha256': checksum,
+            'dest': f'{CARGO_CRATES}/{name}-{version}',
+        },
+        {
+            'type': 'inline',
+            'contents': json.dumps({'package': checksum, 'files': {}}),
+            'dest': f'{CARGO_CRATES}/{name}-{version}',
+            'dest-filename': '.cargo-checksum.json',
+        },
+    ]
+    return (crate_sources, {'crates-io': {'replace-with': VENDORED_SOURCES}})
+
+
+async def generate_sources(cargo_lock, git_tarballs=False):
+    # {
+    #     "git-repo-url": {
+    #         "lock": asyncio.Lock(),
+    #         "commits": {
+    #             "commit-hash": {
+    #                 "package-name": "./relative/package/path"
+    #             }
+    #         }
+    #     }
+    # }
+    git_repos = {}
+    sources = []
+    package_sources = []
+    cargo_vendored_sources = {
+        VENDORED_SOURCES: {'directory': f'{CARGO_CRATES}'},
+    }
+
+    pkg_coros = [get_package_sources(p, cargo_lock, git_repos) for p in cargo_lock['package']]
+    for pkg in await asyncio.gather(*pkg_coros):
+        if pkg is None:
+            continue
+        else:
+            pkg_sources, cargo_vendored_entry = pkg
+        package_sources.extend(pkg_sources)
+        cargo_vendored_sources.update(cargo_vendored_entry)
+
+    logging.debug('Adding collected git repos:\n%s', json.dumps(list(git_repos), indent=4))
+    git_repo_coros = []
+    for git_url, git_repo in git_repos.items():
+        for git_commit in git_repo['commits']:
+            git_repo_coros.append(get_git_repo_sources(git_url, git_commit, git_tarballs))
+    sources.extend(sum(await asyncio.gather(*git_repo_coros), []))
+
+    sources.extend(package_sources)
+
+    logging.debug('Vendored sources:\n%s', json.dumps(cargo_vendored_sources, indent=4))
+    sources.append({
+        'type': 'inline',
+        'contents': toml.dumps({
+            'source': cargo_vendored_sources,
+        }),
+        'dest': CARGO_HOME,
+        'dest-filename': 'config'
+    })
+    return sources
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('cargo_lock', help='Path to the Cargo.lock file')
+    parser.add_argument('-o', '--output', required=False, help='Where to write generated sources')
+    parser.add_argument('-t', '--git-tarballs', action='store_true', help='Download git repos as tarballs')
+    parser.add_argument('-d', '--debug', action='store_true')
+    args = parser.parse_args()
+    if args.output is not None:
+        outfile = args.output
+    else:
+        outfile = 'generated-sources.json'
+    if args.debug:
+        loglevel = logging.DEBUG
+    else:
+        loglevel = logging.INFO
+    logging.basicConfig(level=loglevel)
+
+    generated_sources = asyncio.run(generate_sources(load_toml(args.cargo_lock),
+                                    git_tarballs=args.git_tarballs))
+    with open(outfile, 'w') as out:
+        json.dump(generated_sources, out, indent=4, sort_keys=False)
+
+
+if __name__ == '__main__':
+    main()

flatpak/org.xetibo.ReSet.json

@@ -0,0 +1,41 @@
+{
+  "app-id": "org.xetibo.ReSet",
+  "runtime": "org.gnome.Platform",
+  "runtime-version": "45",
+  "sdk": "org.gnome.Sdk",
+  "sdk-extensions": ["org.freedesktop.Sdk.Extension.rust-stable"],
+  "command": "reset",
+  "finish-args": [
+    "--socket=session-bus",
+    "--share=ipc",
+    "--socket=fallback-x11",
+    "--socket=wayland",
+    "--device=dri"
+  ],
+  "build-options": {
+    "append-path": "/usr/lib/sdk/rust-stable/bin"
+  },
+  "modules": [
+    {
+      "name": "reset",
+      "buildsystem": "simple",
+      "build-options": {
+        "env": {
+          "CARGO_HOME": "/run/build/reset/cargo"
+        }
+      },
+      "build-commands": [
+        "cargo --offline fetch --manifest-path Cargo.toml --verbose",
+        "cargo --offline build --release --verbose",
+        "install -Dm755 ./target/release/reset -t /app/bin/"
+      ],
+      "sources": [
+        {
+          "type": "dir",
+          "path": ".."
+        },
+        "cargo-sources.json"
+      ]
+    }
+  ]
+}