Hello, everyone. I'd like to start a series of mails dedicated to features proposed for including in EAPI 8. For a start, I'd like to discuss the topic of selective fetch restriction [1]. It has been discussed at least in 2013 [2], and since it's finally got chance to be included, I think it's worthwhile to rehash it.
The problem =========== Fetch/mirror restriction as of now can only be applied to all distfiles at once. This causes problems in the (rather rare) case when we'd like to add some additional files to SRC_URI that do not require the big restriction. As a result, the user is forced to manually fetch all the files even if only one truly requires it. Proposed solution ================= The current proposal is based on extending the current URI syntax to permit excluding individual files from the restriction. The idea is to prepend 'fetch+' to protocol to undo fetch restriction, or to prepend 'mirror+' to undo fetch & mirror restrictions. Example 1: removing mirror restriction from files RESTRICT="mirror" SRC_URI="https://example.com/you-cant-mirror-this.tar.bz2 mirror+https://example.com/but-you-can-mirror-this.tar.gz"; Example 2: removing fetch & mirror restriction from files RESTRICT="fetch" SRC_URI="https://example.com/you-cant-fetch-this.zip mirror+https://example.com/but-you-can-mirror-this.tar.gz"; Example 3: removing fetch restriction while leaving mirror restriction RESTRICT="fetch" SRC_URI="https://example.com/you-cant-fetch-this.zip fetch+https://example.com/you-cant-mirror-this.tar.bz2"; Comments ======== WDYT? References ========== [1] https://bugs.gentoo.org/371413 [2] https://archives.gentoo.org/gentoo-dev/message/b0823618d5d3cc61bbed1e88dc2f144d -- Best regards, Michał Górny
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