aboutsummaryrefslogtreecommitdiff
path: root/src/nix
diff options
context:
space:
mode:
Diffstat (limited to 'src/nix')
-rw-r--r--src/nix/develop.cc16
-rw-r--r--src/nix/flake.cc34
-rw-r--r--src/nix/key-generate-secret.md2
-rw-r--r--src/nix/main.cc13
-rw-r--r--src/nix/registry.md2
-rw-r--r--src/nix/repl.md30
-rw-r--r--src/nix/run.cc2
-rw-r--r--src/nix/search.cc31
-rw-r--r--src/nix/search.md13
-rw-r--r--src/nix/upgrade-nix.cc2
-rw-r--r--src/nix/upgrade-nix.md9
11 files changed, 126 insertions, 28 deletions
diff --git a/src/nix/develop.cc b/src/nix/develop.cc
index 2a3fc0213..ba7ba7c25 100644
--- a/src/nix/develop.cc
+++ b/src/nix/develop.cc
@@ -276,15 +276,27 @@ struct Common : InstallableCommand, MixProfile
const BuildEnvironment & buildEnvironment,
const Path & outputsDir = absPath(".") + "/outputs")
{
+ // A list of colon-separated environment variables that should be
+ // prepended to, rather than overwritten, in order to keep the shell usable.
+ // Please keep this list minimal in order to avoid impurities.
+ static const char * const savedVars[] = {
+ "PATH", // for commands
+ "XDG_DATA_DIRS", // for loadable completion
+ };
+
std::ostringstream out;
out << "unset shellHook\n";
- out << "nix_saved_PATH=\"$PATH\"\n";
+ for (auto & var : savedVars) {
+ out << fmt("%s=${%s:-}\n", var, var);
+ out << fmt("nix_saved_%s=\"$%s\"\n", var, var);
+ }
buildEnvironment.toBash(out, ignoreVars);
- out << "PATH=\"$PATH:$nix_saved_PATH\"\n";
+ for (auto & var : savedVars)
+ out << fmt("%s=\"$%s:$nix_saved_%s\"\n", var, var, var);
out << "export NIX_BUILD_TOP=\"$(mktemp -d -t nix-shell.XXXXXX)\"\n";
for (auto & i : {"TMP", "TMPDIR", "TEMP", "TEMPDIR"})
diff --git a/src/nix/flake.cc b/src/nix/flake.cc
index 8370b8dcf..e01bc6d10 100644
--- a/src/nix/flake.cc
+++ b/src/nix/flake.cc
@@ -50,9 +50,9 @@ public:
return flake::lockFlake(*getEvalState(), getFlakeRef(), lockFlags);
}
- std::optional<FlakeRef> getFlakeRefForCompletion() override
+ std::vector<std::string> getFlakesForCompletion() override
{
- return getFlakeRef();
+ return {flakeUrl};
}
};
@@ -740,7 +740,8 @@ struct CmdFlakeInitCommon : virtual Args, EvalCommand
"If you've set '%s' to a string, try using a path instead.",
templateDir, templateDirAttr->getAttrPathStr());
- std::vector<Path> files;
+ std::vector<Path> changedFiles;
+ std::vector<Path> conflictedFiles;
std::function<void(const Path & from, const Path & to)> copyDir;
copyDir = [&](const Path & from, const Path & to)
@@ -757,31 +758,41 @@ struct CmdFlakeInitCommon : virtual Args, EvalCommand
auto contents = readFile(from2);
if (pathExists(to2)) {
auto contents2 = readFile(to2);
- if (contents != contents2)
- throw Error("refusing to overwrite existing file '%s'", to2);
+ if (contents != contents2) {
+ printError("refusing to overwrite existing file '%s'\n please merge it manually with '%s'", to2, from2);
+ conflictedFiles.push_back(to2);
+ } else {
+ notice("skipping identical file: %s", from2);
+ }
+ continue;
} else
writeFile(to2, contents);
}
else if (S_ISLNK(st.st_mode)) {
auto target = readLink(from2);
if (pathExists(to2)) {
- if (readLink(to2) != target)
- throw Error("refusing to overwrite existing symlink '%s'", to2);
+ if (readLink(to2) != target) {
+ printError("refusing to overwrite existing file '%s'\n please merge it manually with '%s'", to2, from2);
+ conflictedFiles.push_back(to2);
+ } else {
+ notice("skipping identical file: %s", from2);
+ }
+ continue;
} else
createSymlink(target, to2);
}
else
throw Error("file '%s' has unsupported type", from2);
- files.push_back(to2);
+ changedFiles.push_back(to2);
notice("wrote: %s", to2);
}
};
copyDir(templateDir, flakeDir);
- if (pathExists(flakeDir + "/.git")) {
+ if (!changedFiles.empty() && pathExists(flakeDir + "/.git")) {
Strings args = { "-C", flakeDir, "add", "--intent-to-add", "--force", "--" };
- for (auto & s : files) args.push_back(s);
+ for (auto & s : changedFiles) args.push_back(s);
runProgram("git", true, args);
}
auto welcomeText = cursor->maybeGetAttr("welcomeText");
@@ -789,6 +800,9 @@ struct CmdFlakeInitCommon : virtual Args, EvalCommand
notice("\n");
notice(renderMarkdownToTerminal(welcomeText->getString()));
}
+
+ if (!conflictedFiles.empty())
+ throw Error("Encountered %d conflicts - see above", conflictedFiles.size());
}
};
diff --git a/src/nix/key-generate-secret.md b/src/nix/key-generate-secret.md
index 4938f637c..609b1abcc 100644
--- a/src/nix/key-generate-secret.md
+++ b/src/nix/key-generate-secret.md
@@ -30,7 +30,7 @@ convert-secret-to-public` to get the corresponding public key for
verifying signed store paths.
The mandatory argument `--key-name` specifies a key name (such as
-`cache.example.org-1). It is used to look up keys on the client when
+`cache.example.org-1`). It is used to look up keys on the client when
it verifies signatures. It can be anything, but it’s suggested to use
the host name of your cache (e.g. `cache.example.org`) with a suffix
denoting the number of the key (to be incremented every time you need
diff --git a/src/nix/main.cc b/src/nix/main.cc
index dadb54306..a8404a2ea 100644
--- a/src/nix/main.cc
+++ b/src/nix/main.cc
@@ -266,6 +266,11 @@ void mainWrapped(int argc, char * * argv)
programPath = argv[0];
auto programName = std::string(baseNameOf(programPath));
+ if (argc > 0 && std::string_view(argv[0]) == "__build-remote") {
+ programName = "build-remote";
+ argv++; argc--;
+ }
+
{
auto legacy = (*RegisterLegacyCommand::commands)[programName];
if (legacy) return legacy(argc, argv);
@@ -342,7 +347,10 @@ void mainWrapped(int argc, char * * argv)
if (!completions) throw;
}
- if (completions) return;
+ if (completions) {
+ args.completionHook();
+ return;
+ }
if (args.showVersion) {
printVersion(programName);
@@ -380,6 +388,9 @@ void mainWrapped(int argc, char * * argv)
settings.ttlPositiveNarInfoCache = 0;
}
+ if (args.command->second->forceImpureByDefault() && !evalSettings.pureEval.overridden) {
+ evalSettings.pureEval = false;
+ }
args.command->second->prepare();
args.command->second->run();
}
diff --git a/src/nix/registry.md b/src/nix/registry.md
index d5c9ef442..bd3575d1b 100644
--- a/src/nix/registry.md
+++ b/src/nix/registry.md
@@ -29,7 +29,7 @@ highest precedence:
can be specified using the NixOS option `nix.registry`.
* The user registry `~/.config/nix/registry.json`. This registry can
- be modified by commands such as `nix flake pin`.
+ be modified by commands such as `nix registry pin`.
* Overrides specified on the command line using the option
`--override-flake`.
diff --git a/src/nix/repl.md b/src/nix/repl.md
index 9b6f2bee3..23ef0f4e6 100644
--- a/src/nix/repl.md
+++ b/src/nix/repl.md
@@ -24,10 +24,34 @@ R""(
* Interact with Nixpkgs in the REPL:
```console
- # nix repl '<nixpkgs>'
+ # nix repl --file example.nix
+ Loading Installable ''...
+ Added 3 variables.
- Loading '<nixpkgs>'...
- Added 12428 variables.
+ # nix repl --expr '{a={b=3;c=4;};}'
+ Loading Installable ''...
+ Added 1 variables.
+
+ # nix repl --expr '{a={b=3;c=4;};}' a
+ Loading Installable ''...
+ Added 1 variables.
+
+ # nix repl --extra_experimental_features 'flakes repl-flake' nixpkgs
+ Loading Installable 'flake:nixpkgs#'...
+ Added 5 variables.
+
+ nix-repl> legacyPackages.x86_64-linux.emacs.name
+ "emacs-27.1"
+
+ nix-repl> legacyPackages.x86_64-linux.emacs.name
+ "emacs-27.1"
+
+ nix-repl> :q
+
+ # nix repl --expr 'import <nixpkgs>{}'
+
+ Loading Installable ''...
+ Added 12439 variables.
nix-repl> emacs.name
"emacs-27.1"
diff --git a/src/nix/run.cc b/src/nix/run.cc
index 25a8fa8d3..45d2dfd0d 100644
--- a/src/nix/run.cc
+++ b/src/nix/run.cc
@@ -47,7 +47,7 @@ void runProgramInStore(ref<Store> store,
Strings helperArgs = { chrootHelperName, store->storeDir, store2->getRealStoreDir(), program };
for (auto & arg : args) helperArgs.push_back(arg);
- execv(readLink("/proc/self/exe").c_str(), stringsToCharPtrs(helperArgs).data());
+ execv(getSelfExe().value_or("nix").c_str(), stringsToCharPtrs(helperArgs).data());
throw SysError("could not execute chroot helper");
}
diff --git a/src/nix/search.cc b/src/nix/search.cc
index 87dc1c0de..bdd45cbed 100644
--- a/src/nix/search.cc
+++ b/src/nix/search.cc
@@ -18,16 +18,26 @@ using namespace nix;
std::string wrap(std::string prefix, std::string s)
{
- return prefix + s + ANSI_NORMAL;
+ return concatStrings(prefix, s, ANSI_NORMAL);
}
struct CmdSearch : InstallableCommand, MixJSON
{
std::vector<std::string> res;
+ std::vector<std::string> excludeRes;
CmdSearch()
{
expectArgs("regex", &res);
+ addFlag(Flag {
+ .longName = "exclude",
+ .shortName = 'e',
+ .description = "Hide packages whose attribute path, name or description contain *regex*.",
+ .labels = {"regex"},
+ .handler = {[this](std::string s) {
+ excludeRes.push_back(s);
+ }},
+ });
}
std::string description() override
@@ -62,11 +72,16 @@ struct CmdSearch : InstallableCommand, MixJSON
res.push_back("^");
std::vector<std::regex> regexes;
+ std::vector<std::regex> excludeRegexes;
regexes.reserve(res.size());
+ excludeRegexes.reserve(excludeRes.size());
for (auto & re : res)
regexes.push_back(std::regex(re, std::regex::extended | std::regex::icase));
+ for (auto & re : excludeRes)
+ excludeRegexes.emplace_back(re, std::regex::extended | std::regex::icase);
+
auto state = getEvalState();
auto jsonOut = json ? std::make_unique<JSONObject>(std::cout) : nullptr;
@@ -106,6 +121,14 @@ struct CmdSearch : InstallableCommand, MixJSON
std::vector<std::smatch> nameMatches;
bool found = false;
+ for (auto & regex : excludeRegexes) {
+ if (
+ std::regex_search(attrPath2, regex)
+ || std::regex_search(name.name, regex)
+ || std::regex_search(description, regex))
+ return;
+ }
+
for (auto & regex : regexes) {
found = false;
auto addAll = [&found](std::sregex_iterator it, std::vector<std::smatch> & vec) {
@@ -133,15 +156,15 @@ struct CmdSearch : InstallableCommand, MixJSON
jsonElem.attr("version", name.version);
jsonElem.attr("description", description);
} else {
- auto name2 = hiliteMatches(name.name, std::move(nameMatches), ANSI_GREEN, "\e[0;2m");
+ auto name2 = hiliteMatches(name.name, nameMatches, ANSI_GREEN, "\e[0;2m");
if (results > 1) logger->cout("");
logger->cout(
"* %s%s",
- wrap("\e[0;1m", hiliteMatches(attrPath2, std::move(attrPathMatches), ANSI_GREEN, "\e[0;1m")),
+ wrap("\e[0;1m", hiliteMatches(attrPath2, attrPathMatches, ANSI_GREEN, "\e[0;1m")),
name.version != "" ? " (" + name.version + ")" : "");
if (description != "")
logger->cout(
- " %s", hiliteMatches(description, std::move(descriptionMatches), ANSI_GREEN, ANSI_NORMAL));
+ " %s", hiliteMatches(description, descriptionMatches, ANSI_GREEN, ANSI_NORMAL));
}
}
}
diff --git a/src/nix/search.md b/src/nix/search.md
index d182788a6..5a5b5ae05 100644
--- a/src/nix/search.md
+++ b/src/nix/search.md
@@ -43,12 +43,23 @@ R""(
# nix search nixpkgs 'firefox|chromium'
```
-* Search for packages containing `git'`and either `frontend` or `gui`:
+* Search for packages containing `git` and either `frontend` or `gui`:
```console
# nix search nixpkgs git 'frontend|gui'
```
+* Search for packages containing `neovim` but hide ones containing either `gui` or `python`:
+
+ ```console
+ # nix search nixpkgs neovim -e 'python|gui'
+ ```
+ or
+
+ ```console
+ # nix search nixpkgs neovim -e 'python' -e 'gui'
+ ```
+
# Description
`nix search` searches *installable* (which must be evaluatable, e.g. a
diff --git a/src/nix/upgrade-nix.cc b/src/nix/upgrade-nix.cc
index 17a5a77ee..2d2453395 100644
--- a/src/nix/upgrade-nix.cc
+++ b/src/nix/upgrade-nix.cc
@@ -34,7 +34,7 @@ struct CmdUpgradeNix : MixDryRun, StoreCommand
std::string description() override
{
- return "upgrade Nix to the latest stable version";
+ return "upgrade Nix to the stable version declared in Nixpkgs";
}
std::string doc() override
diff --git a/src/nix/upgrade-nix.md b/src/nix/upgrade-nix.md
index 4d27daad9..084c80ba2 100644
--- a/src/nix/upgrade-nix.md
+++ b/src/nix/upgrade-nix.md
@@ -2,7 +2,7 @@ R""(
# Examples
-* Upgrade Nix to the latest stable version:
+* Upgrade Nix to the stable version declared in Nixpkgs:
```console
# nix upgrade-nix
@@ -16,8 +16,11 @@ R""(
# Description
-This command upgrades Nix to the latest version. By default, it
-locates the directory containing the `nix` binary in the `$PATH`
+This command upgrades Nix to the stable version declared in Nixpkgs.
+This stable version is defined in [nix-fallback-paths.nix](https://github.com/NixOS/nixpkgs/raw/master/nixos/modules/installer/tools/nix-fallback-paths.nix)
+and updated manually. It may not always be the latest tagged release.
+
+By default, it locates the directory containing the `nix` binary in the `$PATH`
environment variable. If that directory is a Nix profile, it will
upgrade the `nix` package in that profile to the latest stable binary
release.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 18:27:09 +0000