wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-07-07 01:51:47 +02:00
Code Activity

nix upgrade-nix: Handle .nix-profile being a link to .../profiles/per-user/...

Browse source 
Also some cosmetic improvements.
This commit is contained in:
Eelco Dolstra 2018-08-30 21:18:56 +02:00
parent f08b14c9d0
commit 39f1722f36
No known key found for this signature in database
GPG key ID: 8170B4726D7198DE
2 changed files with 24 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

34
src/nix/upgrade-nix.cc
View file

@ -4,6 +4,8 @@
#include "download.hh"
#include "eval.hh"
#include "attr-path.hh"
#include "names.hh"
#include "progress-bar.hh"
using namespace nix;
@ -67,28 +69,36 @@ struct CmdUpgradeNix : MixDryRun, StoreCommand
storePath = getLatestNix(store);
}
auto version = DrvName(storePathToName(storePath)).version;
if (dryRun) {
stopProgressBar();
printError("would upgrade to version %s", version);
return;
}
{
Activity act(*logger, lvlInfo, actUnknown, fmt("downloading '%s'...", storePath));
if (!dryRun)
store->ensurePath(storePath);
store->ensurePath(storePath);
}
{
Activity act(*logger, lvlInfo, actUnknown, fmt("verifying that '%s' works...", storePath));
if (!dryRun) {
auto program = storePath + "/bin/nix-env";
auto s = runProgram(program, false, {"--version"});
if (s.find("Nix") == std::string::npos)
throw Error("could not verify that '%s' works", program);
}
auto program = storePath + "/bin/nix-env";
auto s = runProgram(program, false, {"--version"});
if (s.find("Nix") == std::string::npos)
throw Error("could not verify that '%s' works", program);
}
stopProgressBar();
{
Activity act(*logger, lvlInfo, actUnknown, fmt("installing '%s' into profile '%s'...", storePath, profileDir));
if (!dryRun)
runProgram(settings.nixBinDir + "/nix-env", false,
{"--profile", profileDir, "-i", storePath, "--no-sandbox"});
runProgram(settings.nixBinDir + "/nix-env", false,
{"--profile", profileDir, "-i", storePath, "--no-sandbox"});
}
printError(ANSI_GREEN "upgrade to version %s done" ANSI_NORMAL, version);
}
/* Return the profile in which Nix is installed. */
@ -113,7 +123,7 @@ struct CmdUpgradeNix : MixDryRun, StoreCommand
Path profileDir = dirOf(where);
// Resolve profile to /nix/var/nix/profiles/<name> link.
while (baseNameOf(dirOf(canonPath(profileDir))) != "profiles" && isLink(profileDir))
while (canonPath(profileDir).find("/profiles/") == std::string::npos && isLink(profileDir))
profileDir = readLink(profileDir);
printInfo("found profile '%s'", profileDir);