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Add a "root" parameter to local stores

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This makes it easier to create a diverted store, i.e.

  NIX_REMOTE="local?root=/tmp/root"

instead of

  NIX_REMOTE="local?real=/tmp/root/nix/store&state=/tmp/root/nix/var/nix" NIX_LOG_DIR=/tmp/root/nix/var/log
This commit is contained in:
Eelco Dolstra 2016-07-27 17:47:18 +02:00
parent 2fad86f361
commit 3eb6217508
5 changed files with 13 additions and 5 deletions
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2
src/libstore/local-store.cc
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@ -38,7 +38,7 @@ namespace nix {
LocalStore::LocalStore(const Params & params)
: LocalFSStore(params)
, realStoreDir(get(params, "real", storeDir))
, realStoreDir(get(params, "real", rootDir != "" ? rootDir + "/nix/store" : storeDir))
, dbDir(stateDir + "/db")
, linksDir(realStoreDir + "/.links")
, reservedPath(dbDir + "/reserved")