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upgrade-nix: add --dry-run

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Daiderd Jordan 2018-08-25 20:25:43 +02:00
parent c651b7bdc9
commit 414397759a
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GPG key ID: D02435D05B810C96
1 changed files with 13 additions and 8 deletions
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21
src/nix/upgrade-nix.cc
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@ -1,4 +1,5 @@
#include "command.hh" #include "command.hh"
#include "common-args.hh"
#include "store-api.hh" #include "store-api.hh"
#include "download.hh" #include "download.hh"
#include "eval.hh" #include "eval.hh"
@ -6,7 +7,7 @@
using namespace nix; using namespace nix;
struct CmdUpgradeNix : StoreCommand struct CmdUpgradeNix : MixDryRun, StoreCommand
{ {
Path profileDir; Path profileDir;
@ -61,21 +62,25 @@ struct CmdUpgradeNix : StoreCommand
{ {
Activity act(*logger, lvlInfo, actUnknown, fmt("downloading '%s'...", storePath)); Activity act(*logger, lvlInfo, actUnknown, fmt("downloading '%s'...", storePath));
store->ensurePath(storePath); if (!dryRun)
store->ensurePath(storePath);
} }
{ {
Activity act(*logger, lvlInfo, actUnknown, fmt("verifying that '%s' works...", storePath)); Activity act(*logger, lvlInfo, actUnknown, fmt("verifying that '%s' works...", storePath));
auto program = storePath + "/bin/nix-env"; if (!dryRun) {
auto s = runProgram(program, false, {"--version"}); auto program = storePath + "/bin/nix-env";
if (s.find("Nix") == std::string::npos) auto s = runProgram(program, false, {"--version"});
throw Error("could not verify that '%s' works", program); if (s.find("Nix") == std::string::npos)
throw Error("could not verify that '%s' works", program);
}
} }
{ {
Activity act(*logger, lvlInfo, actUnknown, fmt("installing '%s' into profile '%s'...", storePath, profileDir)); Activity act(*logger, lvlInfo, actUnknown, fmt("installing '%s' into profile '%s'...", storePath, profileDir));
runProgram(settings.nixBinDir + "/nix-env", false, if (!dryRun)
{"--profile", profileDir, "-i", storePath, "--no-sandbox"}); runProgram(settings.nixBinDir + "/nix-env", false,
{"--profile", profileDir, "-i", storePath, "--no-sandbox"});
} }
} }