On Mon, Jun 14 2021, Ludovic Courtès wrote: > Hello, > > Xinglu Chen skribis: > >> Xinglu Chen (2): >> swh: Support lookup of Hg tags. >> hg-download: Support falling back to SWH. > > Pushed as 69d7333217ce85d9d1643a8349757b6b170d3b1f! > > Note that currently this only works for (1) repositories that are > archived, and (2) origins that refer to hg tags, not commit IDs. > > I found an example that meets these criteria: python-openpyxl. :-) > I commented out the other fallbacks in (guix hg-download) and ran: > > --8<---------------cut here---------------start------------->8--- > $ ./pre-inst-env guix build python-openpyxl -S --no-substitutes > The following derivation will be built: > /gnu/store/71xjlgdqw50a76ycqrmjrqh7b4mdi5s7-python-openpyxl-3.0.5-checkout.drv > building /gnu/store/71xjlgdqw50a76ycqrmjrqh7b4mdi5s7-python-openpyxl-3.0.5-checkout.drv... > guile: warning: failed to install locale > environment variable `PATH' set to `/gnu/store/378zjf2kgajcfd7mfr98jn5xyc5wa3qv-gzip-1.10/bin:/gnu/store/sf3rbvb6iqcphgm1afbplcs72hsywg25-tar-1.32/bin' > Trying to download from Software Heritage... > SWH: found revision 4d4e19e58314de481b98f4c239c3b3e9fd080613 with directory at 'https://archive.softwareheritage.org/api/1/directory/fb5bbba156e6b8e2bb94ea1dd5807ef2c8931864/' > SWH vault: requested bundle cooking, waiting for completion... > SWH vault: requested bundle cooking, waiting for completion... > SWH vault: requested bundle cooking, waiting for completion... > SWH vault: requested bundle cooking, waiting for completion... > SWH vault: requested bundle cooking, waiting for completion... > SWH vault: requested bundle cooking, waiting for completion... > SWH vault: requested bundle cooking, waiting for completion... > --8<---------------cut here---------------end--------------->8--- > > It’s still waiting for the bundle… Hmm, I tried it on a package in local config and it seemed to work fine with commit IDs, I guess this was because I ran ‘guix hash -r’ on the extracted tarball I downloaded from SWH, so the source was already in the store when I tried to build it... > Regarding #2, there are some good news: > is about implementing a > mapping from “VCS IDs” (hg commit IDs in this case) to SWHIDs. Thus, > eventually, ‘lookup-origin-revision’ should be able to take an hg commit > ID and to map it to an SWHID. That JSON API isn’t exposed yet. Oh, that’s great!