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Factor out the generation of the profile/channel directory

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Make sure that all the code paths use the same one, and that the
backwards-compatibility measures are probably in place when needed
This commit is contained in:
Théophane Hufschmitt 2023-03-21 13:37:19 +01:00
parent 82bd9535dd
commit fb67c1a1fb
5 changed files with 40 additions and 15 deletions
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30
src/libstore/profiles.cc
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@ -282,28 +282,48 @@ std::string optimisticLockProfile(const Path & profile)
Path profilesDir()
{
auto profileRoot = createNixStateDir() + "/profiles";
auto profileRoot =
(getuid() == 0)
? rootProfilesDir()
: createNixStateDir() + "/profiles";
createDirs(profileRoot);
return profileRoot;
}
Path rootProfilesDir()
{
return settings.nixStateDir + "/profiles/per-user/root";
}
Path getDefaultProfile()
{
Path profileLink = settings.useXDGBaseDirectories ? createNixStateDir() + "/profile" : getHome() + "/.nix-profile";
try {
auto profile =
getuid() == 0
? settings.nixStateDir + "/profiles/default"
: profilesDir() + "/profile";
auto profile = profilesDir() + "/profile";
if (!pathExists(profileLink)) {
replaceSymlink(profile, profileLink);
}
// Backwards compatibiliy measure: Make root's profile available as
// `.../default` as it's what NixOS and most of the init scripts expect
Path globalProfileLink = settings.nixStateDir + "/profiles/default";
if (getuid() == 0 && !pathExists(globalProfileLink)) {
replaceSymlink(profile, globalProfileLink);
}
return absPath(readLink(profileLink), dirOf(profileLink));
} catch (Error &) {
return profileLink;
}
}
Path defaultChannelsDir()
{
return profilesDir() + "/channels";
}
Path rootChannelsDir()
{
return rootProfilesDir() + "/channels";
}
}