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Add getDefaultProfile() function

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This commit is contained in:
Eelco Dolstra 2019-10-21 16:07:19 +02:00
parent a07da2fd7a
commit a7aabd7cc7
3 changed files with 24 additions and 15 deletions
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18
src/libstore/profiles.cc
View file

@ -256,4 +256,22 @@ string optimisticLockProfile(const Path & profile)
}
Path getDefaultProfile()
{
Path profileLink = getHome() + "/.nix-profile";
try {
if (!pathExists(profileLink)) {
replaceSymlink(
getuid() == 0
? settings.nixStateDir + "/profiles/default"
: fmt("%s/profiles/per-user/%s/profile", settings.nixStateDir, getUserName()),
profileLink);
}
return absPath(readLink(profileLink), dirOf(profileLink));
} catch (Error &) {
return profileLink;
}
}
}

4
src/libstore/profiles.hh
View file

@ -64,4 +64,8 @@ void lockProfile(PathLocks & lock, const Path & profile);
rebuilt. */
string optimisticLockProfile(const Path & profile);
/* Resolve ~/.nix-profile. If ~/.nix-profile doesn't exist yet, create
it. */
Path getDefaultProfile();
}

17
src/nix-env/nix-env.cc
View file

@ -1427,21 +1427,8 @@ static int _main(int argc, char * * argv)
if (globals.profile == "")
globals.profile = getEnv("NIX_PROFILE", "");
if (globals.profile == "") {
Path profileLink = getHome() + "/.nix-profile";
try {
if (!pathExists(profileLink)) {
replaceSymlink(
getuid() == 0
? settings.nixStateDir + "/profiles/default"
: fmt("%s/profiles/per-user/%s/profile", settings.nixStateDir, getUserName()),
profileLink);
}
globals.profile = absPath(readLink(profileLink), dirOf(profileLink));
} catch (Error &) {
globals.profile = profileLink;
}
}
if (globals.profile == "")
globals.profile = getDefaultProfile();
op(globals, opFlags, opArgs);