commit:     547ba7bb05f4ee7219cab6d514023bfc83a07180
Author:     Michał Górny <mgorny <AT> gentoo <DOT> org>
AuthorDate: Tue Sep  2 15:05:54 2025 +0000
Commit:     Michał Górny <mgorny <AT> gentoo <DOT> org>
CommitDate: Tue Sep  2 15:05:54 2025 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=547ba7bb

dev-python/uv: Add a live ebuild

Signed-off-by: Michał Górny <mgorny <AT> gentoo.org>

 dev-python/uv/uv-9999.ebuild | 145 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 145 insertions(+)

diff --git a/dev-python/uv/uv-9999.ebuild b/dev-python/uv/uv-9999.ebuild
new file mode 100644
index 000000000000..0ebc73e88b05
--- /dev/null
+++ b/dev-python/uv/uv-9999.ebuild
@@ -0,0 +1,145 @@
+# Copyright 2024-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+RUST_MIN_VER="1.88.0"
+
+inherit cargo check-reqs git-r3
+
+DESCRIPTION="A Python package installer and resolver, written in Rust"
+HOMEPAGE="
+       https://github.com/astral-sh/uv/
+       https://pypi.org/project/uv/
+"
+EGIT_REPO_URI="https://github.com/astral-sh/uv.git";
+
+LICENSE="|| ( Apache-2.0 MIT )"
+SLOT="0"
+IUSE="test"
+RESTRICT="test"
+PROPERTIES="test_network"
+
+DEPEND="
+       app-arch/bzip2:=
+       app-arch/xz-utils:=
+       app-arch/zstd:=
+"
+RDEPEND="
+       ${DEPEND}
+"
+BDEPEND="
+       test? (
+               dev-lang/python:3.9
+               dev-lang/python:3.10
+               dev-lang/python:3.11
+               dev-lang/python:3.12
+               dev-lang/python:3.13
+               !!~dev-python/uv-0.5.0
+       )
+"
+
+QA_FLAGS_IGNORED="usr/bin/.*"
+
+check_space() {
+       local CHECKREQS_DISK_BUILD=3G
+       use debug && CHECKREQS_DISK_BUILD=9G
+       check-reqs_pkg_setup
+}
+
+pkg_pretend() {
+       check_space
+}
+
+pkg_setup() {
+       check_space
+       rust_pkg_setup
+}
+
+src_unpack() {
+       git-r3_src_unpack
+       cargo_live_src_unpack
+}
+
+src_prepare() {
+       default
+
+       # force thin lto, makes build much faster and less memory hungry
+       # (i.e. makes it possible to actually build uv on 32-bit PPC)
+       sed -i -e '/lto/s:fat:thin:' Cargo.toml || die
+
+       # enable system libraries where supported
+       export ZSTD_SYS_USE_PKG_CONFIG=1
+       # TODO: unbundle libz-ng-sys, tikv-jemalloc-sys?
+
+       # bzip2-sys requires a pkg-config file
+       # https://github.com/alexcrichton/bzip2-rs/issues/104
+       mkdir "${T}/pkg-config" || die
+       export 
PKG_CONFIG_PATH=${T}/pkg-config${PKG_CONFIG_PATH+:${PKG_CONFIG_PATH}}
+       cat >> "${T}/pkg-config/bzip2.pc" <<-EOF || die
+               Name: bzip2
+               Version: 9999
+               Description:
+               Libs: -lbz2
+       EOF
+}
+
+src_configure() {
+       local myfeatures=(
+               git
+               pypi
+               python
+       )
+
+       cargo_src_configure --no-default-features
+}
+
+src_compile() {
+       cd crates/uv || die
+       cargo_src_compile
+}
+
+src_test() {
+       # work around https://github.com/astral-sh/uv/issues/4376
+       local -x PATH=${BROOT}/usr/lib/python-exec/python3.12:${PATH}
+       local -x COLUMNS=100
+       local -x PYTHONDONTWRITEBYTECODE=
+       # fix tests failing because of our config
+       local -x XDG_CONFIG_DIRS=${T}
+
+       cd crates/uv || die
+       cargo_src_test --no-fail-fast
+}
+
+src_install() {
+       cd crates/uv || die
+       cargo_src_install
+
+       insinto /etc/xdg/uv
+       newins - uv.toml <<-EOF || die
+               # These defaults match Fedora, see:
+               # https://src.fedoraproject.org/rpms/uv/pull-request/18
+
+               # By default ("automatic"), uv downloads missing Python versions
+               # automatically and keeps them in the user's home directory.
+               # Disable that to make downloading opt-in, and especially
+               # to avoid unnecessarily fetching custom Python when the distro
+               # package would be preferable.  Python builds can still be
+               # downloaded manually via "uv python install".
+               #
+               # https://docs.astral.sh/uv/reference/settings/#python-downloads
+               python-downloads = "manual"
+
+               # By default ("managed"), uv always prefers self-installed
+               # Python versions over the system Python, independently
+               # of versions.  Since we generally expect users to use that
+               # to install old Python versions not in ::gentoo anymore,
+               # this effectively means that uv would end up preferring very
+               # old Python versions over the newer ones that are provided
+               # by the system.  Default to using the system versions to avoid
+               # this counter-intuitive behavior.
+               #
+               # 
https://docs.astral.sh/uv/reference/settings/#python-preference
+               python-preference = "system"
+       EOF
+}

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