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store: add a hint on how to fix Lix installs broken by macOS Sequoia

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This is not a detailed diagnosis, and it's not worth writing one, tbh.
This error basically never happens in normal operation, so diagnosing it
by changing the error on macOS is good enough.

Relevant: lix-project/lix-installer#24
Relevant: lix-project/lix-installer#18
Relevant: lix-project/lix#521

Change-Id: I03701f917d116575c72a97502b8e1617679447f2
This commit is contained in:
jade 2024-09-13 16:26:15 -07:00 committed by jade
parent b2fc007811
commit b7fc37b015
1 changed files with 10 additions and 2 deletions
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12
src/libstore/lock.cc
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@ -73,8 +73,16 @@ struct SimpleUserLock : UserLock
debug("trying user '%s'", i); debug("trying user '%s'", i);
struct passwd * pw = getpwnam(i.c_str()); struct passwd * pw = getpwnam(i.c_str());
if (!pw) if (!pw) {
throw Error("the user '%s' in the group '%s' does not exist", i, settings.buildUsersGroup); #ifdef __APPLE__
#define APPLE_HINT "\n\nhint: this may be caused by an update to macOS Sequoia breaking existing Lix installations.\n" \
"See the macOS Sequoia page on the Lix wiki for detailed repair instructions: https://wiki.lix.systems/link/81"
#else
#define APPLE_HINT
#endif
throw Error("the user '%s' in the group '%s' does not exist" APPLE_HINT, i, settings.buildUsersGroup);
#undef APPLE_HINT
}
auto fnUserLock = fmt("%s/userpool/%s", settings.nixStateDir,pw->pw_uid); auto fnUserLock = fmt("%s/userpool/%s", settings.nixStateDir,pw->pw_uid);