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debian/arch: native architecture tables replacing dpkg-architecture

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Embed dpkg's factual cputable/ostable/tupletable/abitable data and
implement tuple/triplet/multiarch lookups, wildcard matching, arch
restriction evaluation and the full DEB_BUILD_*/DEB_HOST_*/DEB_TARGET_*
environment dump natively.

build/env.rs::arch_env now delegates to the native implementation
instead of shelling out to 'dpkg-architecture -f'.

Differential gate (build/mod.rs): arch_env(Some(a)) must equal real
'dpkg-architecture -f -a a' key-for-key for every architecture listed by
'dpkg-architecture -L', plus the native case. Data tables carry upstream
attribution comments; no dpkg code was transliterated.
This commit is contained in:
vhaudiquet
2026-08-24 11:57:12 +02:00
parent 0ad020ae19
commit 4c52336000
5 changed files with 1102 additions and 34 deletions
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src/debian/mod.rs
+4 -1
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@@ -3,12 +3,15 @@
//! These components are independent from any build orchestration and can be
//! used by any pkh submodule (or external consumers of the library):
//!
//! - [`arch`]: Debian architecture tables and lookups (dpkg-architecture)
//! - [`control`]: deb822 paragraph parsing/writing and `debian/control`
//! - [`checksums`]: file checksum registry (`Dpkg::Checksums` equivalent)
//! - [`deps`]: dependency grammar and evaluation (dpkg-checkbuilddeps)
//! - [`files`]: `debian/files` artifact registry (`Dpkg::Dist::Files`)
//! - [`version`]: Debian version splitting/validation
//! - [`version`]: Debian version splitting/validation/comparison
//! - [`changelog`]: `debian/changelog` entry parsing
pub mod arch;
pub mod changelog;
pub mod checksums;
pub mod control;