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Lix Development

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(Technical) development of Lix, the package manager, a Nix implementation. Please be mindful of ongoing technical conversations in this channel.136 Servers

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20 Nov 2025
@Ericson2314:matrix.orgJohn Ericson* OK I guess I did not announce this very clearly :(, whops!20:05:39
@just1602:systemli.orgjust1602I'm really not great at C++, but I'd be really interested to see this libexpr -> libflakes project20:52:03
@raitobezarius:matrix.orgraitobezariusThank you for the suggestion but we probably won't take it, it doesn't achieve what we want21:11:27
@raitobezarius:matrix.orgraitobezarius It's not really the important piece of the Flakes extraction project, just moving code around and exposing APIs to register certain operations that are related to Flakes in the evaluation machinery (mostly around NIX_PATH) 21:12:24
@raitobezarius:matrix.orgraitobezariusI have a tree that already finished that part, more difficult parts involves libcmd and generalizing installables21:12:49
@edef1c:matrix.orgedefanything NIX_PATH-y should probably be explicitly passed in, rather than being grabbed from env by default23:55:46
@edef1c:matrix.orgedeflike, objcap-y pure-by-default rather than "here's a flag to turn off the default impure behaviour"23:56:17
21 Nov 2025
@raitobezarius:matrix.orgraitobezariusDoing that properly would require rewrapping a bunch of impure calls and rewiring an objcap system, I want to get there01:01:43
@raitobezarius:matrix.orgraitobezariusBut that's mostly orthogonal to how Flakes processes the search path entries01:02:12
@raitobezarius:matrix.orgraitobezariusUnfortunately Nix path (env) is a colon separated list of URIs01:02:39
@raitobezarius:matrix.orgraitobezariusTherefore schemes needs to be registered to allow parsing01:02:59
@uep:matrix.orguephttps://mastodon.social/@bagder/11558453696296307007:51:58
@uep:matrix.orguepthey're collecting "known risks" when using curl, perhaps some suggestions from here07:52:31
@helle:tacobelllabs.nethelle (just a stray cat girl) raitobezarius at one point afaik you tossed me a command to try and run if my downloads hung again, can you throw that again 11:43:08
@helle:tacobelllabs.nethelle (just a stray cat girl)got that issue again11:43:12
@helle:tacobelllabs.nethelle (just a stray cat girl)or anyone else?11:53:11
@helle:tacobelllabs.nethelle (just a stray cat girl)

with strace -fys9999 -p 170632 we get the following output

strace: Process 170632 attached with 19 threads
[pid 170650] restart_syscall(<... resuming interrupted restart_syscall ...> <unfinished ...>
[pid 170649] restart_syscall(<... resuming interrupted restart_syscall ...> <unfinished ...>
[pid 170648] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170647] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170646] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170645] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170644] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170643] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170642] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170641] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170640] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170639] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170638] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170637] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170636] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170635] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170634] futex(0x7f815aaca744, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 571, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...>
[pid 170633] rt_sigtimedwait([HUP INT PIPE TERM WINCH] <unfinished ...>
[pid 170632] epoll_wait(3<anon_inode:[eventpoll]>

so not super useful......

11:58:14
@raitobezarius:matrix.orgraitobezarius
In reply to @helle:tacobelllabs.net
got that issue again
2.94.0? 		12:58:29
@helle:tacobelllabs.nethelle (just a stray cat girl)latest head12:58:41
@helle:tacobelllabs.nethelle (just a stray cat girl)well, latest as of like 2 hours ago12:58:53
@helle:tacobelllabs.nethelle (just a stray cat girl)wait, no, it is: 2.94.0-pre20251017-dev_ab9dddf12:59:15
@raitobezarius:matrix.orgraitobezariusAre you running an updated Nixpkgs?12:59:44
@helle:tacobelllabs.nethelle (just a stray cat girl)mmm, what is my current config's nixpkgs, good call13:00:24
@helle:tacobelllabs.nethelle (just a stray cat girl)25.11.20251015.544961d13:01:41
@helle:tacobelllabs.nethelle (just a stray cat girl)idk if that is new enough to avoid curl issues13:05:38
@k900:0upti.meK900I don't think it is13:08:43
@raitobezarius:matrix.orgraitobezarius1015 is too old13:15:07
@raitobezarius:matrix.orgraitobezarius 75cf6e139a07470ce2e7312d4a511d54ea3e8b61 13:15:32
@raitobezarius:matrix.orgraitobezariusthis is the object you need to have in the nixpkgs tree13:15:37
@raitobezarius:matrix.orgraitobezariusthat object dates since 3rd November 2025 at least13:16:06

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