forked from lix-project/lix
nix upgrade-nix: Handle .nix-profile being a link to .../profiles/per-user/...
Also some cosmetic improvements.
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39f1722f36
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@ -241,6 +241,7 @@ let
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{ diskImage = vmTools.diskImages.ubuntu1204x86_64;
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}
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''
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set -x
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useradd -m alice
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su - alice -c 'tar xf ${binaryTarball.x86_64-linux}/*.tar.*'
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mkdir /dest-nix
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@ -251,14 +252,13 @@ let
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su - alice -c 'PAGER= nix-store -qR ${build.x86_64-linux}'
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# Check whether 'nix upgrade-nix' works.
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(! [ -L /nix/var/nix/profiles/per-user/alice/profile-2-link ])
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cat > /tmp/paths.nix <<EOF
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{
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x86_64-linux = "${build.x86_64-linux}";
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}
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EOF
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su - alice -c 'nix upgrade-nix -vvv --nix-store-paths-url file:///tmp/paths.nix'
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[ -L /nix/var/nix/profiles/per-user/alice/profile-2-link ]
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(! [ -L /home/alice/.profile-1-link ])
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su - alice -c 'PAGER= nix-store -qR ${build.x86_64-linux}'
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mkdir -p $out/nix-support
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@ -4,6 +4,8 @@
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#include "download.hh"
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#include "eval.hh"
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#include "attr-path.hh"
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#include "names.hh"
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#include "progress-bar.hh"
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using namespace nix;
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@ -67,28 +69,36 @@ struct CmdUpgradeNix : MixDryRun, StoreCommand
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storePath = getLatestNix(store);
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}
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auto version = DrvName(storePathToName(storePath)).version;
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if (dryRun) {
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stopProgressBar();
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printError("would upgrade to version %s", version);
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return;
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}
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{
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Activity act(*logger, lvlInfo, actUnknown, fmt("downloading '%s'...", storePath));
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if (!dryRun)
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store->ensurePath(storePath);
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store->ensurePath(storePath);
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}
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{
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Activity act(*logger, lvlInfo, actUnknown, fmt("verifying that '%s' works...", storePath));
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if (!dryRun) {
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auto program = storePath + "/bin/nix-env";
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auto s = runProgram(program, false, {"--version"});
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if (s.find("Nix") == std::string::npos)
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throw Error("could not verify that '%s' works", program);
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}
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auto program = storePath + "/bin/nix-env";
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auto s = runProgram(program, false, {"--version"});
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if (s.find("Nix") == std::string::npos)
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throw Error("could not verify that '%s' works", program);
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}
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stopProgressBar();
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{
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Activity act(*logger, lvlInfo, actUnknown, fmt("installing '%s' into profile '%s'...", storePath, profileDir));
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if (!dryRun)
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runProgram(settings.nixBinDir + "/nix-env", false,
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{"--profile", profileDir, "-i", storePath, "--no-sandbox"});
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runProgram(settings.nixBinDir + "/nix-env", false,
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{"--profile", profileDir, "-i", storePath, "--no-sandbox"});
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}
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printError(ANSI_GREEN "upgrade to version %s done" ANSI_NORMAL, version);
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}
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/* Return the profile in which Nix is installed. */
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@ -113,7 +123,7 @@ struct CmdUpgradeNix : MixDryRun, StoreCommand
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Path profileDir = dirOf(where);
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// Resolve profile to /nix/var/nix/profiles/<name> link.
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while (baseNameOf(dirOf(canonPath(profileDir))) != "profiles" && isLink(profileDir))
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while (canonPath(profileDir).find("/profiles/") == std::string::npos && isLink(profileDir))
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profileDir = readLink(profileDir);
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printInfo("found profile '%s'", profileDir);
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