dev-vcs/pre-commit: drop dependency on dev-python/toml

Backported to 2.20.0 from upstream Git master branch.

Bug: https://bugs.gentoo.org/878677
Signed-off-by: Marek Szuba <marecki@gentoo.org>

3 files changed, 136 insertions, 0 deletions

diff --git a/dev-vcs/pre-commit/Manifest b/dev-vcs/pre-commit/Manifest
index 06a74933c9d1..c43c785bb1aa 100644
--- a/dev-vcs/pre-commit/Manifest
+++ b/dev-vcs/pre-commit/Manifest
@@ -1 +1,2 @@
+DIST pre-commit-2.20.0.gh.tar.gz 266604 BLAKE2B 470f032e6d5bfcdd9ac8ba8f37d4323b601da0c82bcd524ffc575dc688fe81ad326a1f6a8ddd03da6e37130319ee40070c03d9789cd6e0e4b427a1d6e646416e SHA512 b1da558a0e5d8f2f655427089f1d0b11b01ad7513ece7a0b3b67c33529cf3584edba558c78704e6da6ca18876b1d6c0fa8698e01fd7c2439b8d4dc0a93961e52
 DIST pre-commit-2.20.0.tar.gz 266604 BLAKE2B 470f032e6d5bfcdd9ac8ba8f37d4323b601da0c82bcd524ffc575dc688fe81ad326a1f6a8ddd03da6e37130319ee40070c03d9789cd6e0e4b427a1d6e646416e SHA512 b1da558a0e5d8f2f655427089f1d0b11b01ad7513ece7a0b3b67c33529cf3584edba558c78704e6da6ca18876b1d6c0fa8698e01fd7c2439b8d4dc0a93961e52
diff --git a/dev-vcs/pre-commit/files/pre-commit-2.20.0-no_toml.patch b/dev-vcs/pre-commit/files/pre-commit-2.20.0-no_toml.patch
new file mode 100644
index 000000000000..f7f335c29e14
--- /dev/null
+++ b/dev-vcs/pre-commit/files/pre-commit-2.20.0-no_toml.patch
@@ -0,0 +1,81 @@
+Backported upstream commit e703982de45ac64492897b25fa4edbdb8da10e62.
+
+--- a/pre_commit/languages/rust.py
++++ b/pre_commit/languages/rust.py
+@@ -5,8 +5,6 @@
+ from typing import Generator
+ from typing import Sequence
+ 
+-import toml
+-
+ import pre_commit.constants as C
+ from pre_commit.envcontext import envcontext
+ from pre_commit.envcontext import PatchesT
+@@ -38,18 +36,16 @@
+ 
+ 
+ def _add_dependencies(
+-        cargo_toml_path: str,
++        prefix: Prefix,
+         additional_dependencies: set[str],
+ ) -> None:
+-    with open(cargo_toml_path, 'r+') as f:
+-        cargo_toml = toml.load(f)
+-        cargo_toml.setdefault('dependencies', {})
+-        for dep in additional_dependencies:
+-            name, _, spec = dep.partition(':')
+-            cargo_toml['dependencies'][name] = spec or '*'
+-        f.seek(0)
+-        toml.dump(cargo_toml, f)
+-        f.truncate()
++    crates = []
++    for dep in additional_dependencies:
++        name, _, spec = dep.partition(':')
++        crate = f'{name}@{spec or "*"}'
++        crates.append(crate)
++
++    helpers.run_setup_cmd(prefix, ('cargo', 'add', *crates))
+ 
+ 
+ def install_environment(
+@@ -77,9 +73,6 @@
+     }
+     lib_deps = set(additional_dependencies) - cli_deps
+ 
+-    if len(lib_deps) > 0:
+-        _add_dependencies(prefix.path('Cargo.toml'), lib_deps)
+-
+     with clean_path_on_failure(directory):
+         packages_to_install: set[tuple[str, ...]] = {('--path', '.')}
+         for cli_dep in cli_deps:
+@@ -90,6 +83,9 @@
+             else:
+                 packages_to_install.add((package,))
+ 
++        if len(lib_deps) > 0:
++            _add_dependencies(prefix, lib_deps)
++
+         for args in packages_to_install:
+             cmd_output_b(
+                 'cargo', 'install', '--bins', '--root', directory, *args,
+--- a/setup.cfg
++++ b/setup.cfg
+@@ -27,7 +27,6 @@
+     identify>=1.0.0
+     nodeenv>=0.11.1
+     pyyaml>=5.1
+-    toml
+     virtualenv>=20.0.8
+     importlib-metadata;python_version<"3.8"
+ python_requires = >=3.7
+--- a/tests/repository_test.py
++++ b/tests/repository_test.py
+@@ -485,7 +485,7 @@
+     path = make_repo(tempdir_factory, 'rust_hooks_repo')
+     config = make_config_from_repo(path)
+     # A small rust package with no dependencies.
+-    deps = ['shellharden:3.1.0']
++    deps = ['shellharden:3.1.0', 'git-version']
+     config['hooks'][0]['additional_dependencies'] = deps
+     hook = _get_hook(config, store, 'rust-hook')
+     binaries = os.listdir(
diff --git a/dev-vcs/pre-commit/pre-commit-2.20.0-r1.ebuild b/dev-vcs/pre-commit/pre-commit-2.20.0-r1.ebuild
new file mode 100644
index 000000000000..5c803594ede5
--- /dev/null
+++ b/dev-vcs/pre-commit/pre-commit-2.20.0-r1.ebuild
@@ -0,0 +1,54 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..11} )
+DISTUTILS_SINGLE_IMPL=1
+DISTUTILS_USE_PEP517=setuptools
+PYTHON_REQ_USE="sqlite"
+
+inherit distutils-r1
+
+DESCRIPTION="A framework for managing and maintaining multi-language Git pre-commit hooks"
+HOMEPAGE="https://pre-commit.com/"
+SRC_URI="https://github.com/${PN}/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.gh.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~hppa ~ppc ~ppc64 ~x86"
+
+RDEPEND="dev-vcs/git
+	$(python_gen_cond_dep '
+		>=dev-python/cfgv-2.0.0[${PYTHON_USEDEP}]
+		>=dev-python/identify-1.0.0[${PYTHON_USEDEP}]
+		>=dev-python/nodeenv-0.11.1[${PYTHON_USEDEP}]
+		>=dev-python/pyyaml-5.1[${PYTHON_USEDEP}]
+		>=dev-python/virtualenv-20.0.8[${PYTHON_USEDEP}]
+	')"
+BDEPEND="test? (
+	$(python_gen_cond_dep '
+		dev-python/pytest-env[${PYTHON_USEDEP}]
+		dev-python/re-assert[${PYTHON_USEDEP}]
+	')
+)"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-2.20.0-no_toml.patch
+)
+
+DOCS=( CHANGELOG.md CONTRIBUTING.md README.md )
+
+# The former two require a boatload of dependencies (e.g. Conda, Go, R and more) in order to run
+# and while some of them do include "skip if not found" logic, most of them do not.
+# The latter consistently fail with
+#     Calling "git rev-parse" fails with "fatal: not a git repository (or any of the parent directories): .git".
+# including with the sandbox disabled and when run manually with tox.
+EPYTEST_DESELECT=(
+	tests/languages/
+	tests/repository_test.py
+	tests/main_test.py::test_all_cmds
+	tests/main_test.py::test_try_repo
+)
+
+distutils_enable_tests pytest