diff options
Diffstat (limited to 'src/nix-env/main.cc')
| -rw-r--r-- | src/nix-env/main.cc | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/nix-env/main.cc b/src/nix-env/main.cc index 7bced5be0..64ae6d412 100644 --- a/src/nix-env/main.cc +++ b/src/nix-env/main.cc @@ -605,6 +605,26 @@ static void opQuery(Globals & globals, } +static void opSwitchProfile(Globals & globals, + Strings opFlags, Strings opArgs) +{ + if (opFlags.size() > 0) + throw UsageError(format("unknown flags `%1%'") % opFlags.front()); + if (opArgs.size() > 1) + throw UsageError(format("--profile takes at most one argument")); + + string linkPath = + opArgs.size() == 0 ? globals.linkPath : opArgs.front(); + + string homeDir(getenv("HOME")); + if (homeDir == "") throw Error("HOME environment variable not set"); + + string linkPathFinal = homeDir + "/.nix-userenv"; + + switchLink(linkPathFinal, linkPath); +} + + void run(Strings args) { /* Use a higher default verbosity (lvlInfo). */ @@ -635,6 +655,8 @@ void run(Strings args) format("`%1%' requires an argument") % arg); globals.linkPath = absPath(*i); } + else if (arg == "--profile" || arg == "-p") + op = opSwitchProfile; else if (arg[0] == '-') opFlags.push_back(arg); else |