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Allow setting the state directory as a store parameter

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E.g. "local?store=/tmp/store&state=/tmp/var".
This commit is contained in:
Eelco Dolstra 2016-06-02 13:33:49 +02:00
parent f2682e6e18
commit 812c0dfbe2
13 changed files with 112 additions and 77 deletions
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5
src/nix-env/nix-env.cc
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@ -692,6 +692,9 @@ static void opSetFlag(Globals & globals, Strings opFlags, Strings opArgs)
static void opSet(Globals & globals, Strings opFlags, Strings opArgs)
{
auto store2 = globals.state->store.dynamic_pointer_cast<LocalFSStore>();
if (!store2) throw Error("--set is not supported for this Nix store");
for (Strings::iterator i = opFlags.begin(); i != opFlags.end(); ) {
string arg = *i++;
if (parseInstallSourceOptions(globals, i, opFlags, arg)) ;
@ -722,7 +725,7 @@ static void opSet(Globals & globals, Strings opFlags, Strings opArgs)
}
debug(format("switching to new user environment"));
Path generation = createGeneration(globals.state->store, globals.profile, drv.queryOutPath());
Path generation = createGeneration(ref<LocalFSStore>(store2), globals.profile, drv.queryOutPath());
switchLink(globals.profile, generation);
}