Merge branch 'master' of github.com:NixOS/nix

This commit is contained in:
Eelco Dolstra 2021-07-07 10:03:04 +02:00
commit 2c853e2a58
11 changed files with 122 additions and 27 deletions

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@ -12,6 +12,7 @@ makefiles = \
src/resolve-system-dependencies/local.mk \
scripts/local.mk \
misc/bash/local.mk \
misc/fish/local.mk \
misc/zsh/local.mk \
misc/systemd/local.mk \
misc/launchd/local.mk \

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@ -6,9 +6,11 @@ builtins:
concatStrings (map
(name:
let builtin = builtins.${name}; in
" - `builtins.${name}` " + concatStringsSep " " (map (s: "*${s}*") builtin.args)
+ " \n\n"
+ concatStrings (map (s: " ${s}\n") (splitLines builtin.doc)) + "\n\n"
"<dt><code>${name} "
+ concatStringsSep " " (map (s: "<var>${s}</var>") builtin.args)
+ "</code></dt>"
+ "<dd>\n\n"
+ builtin.doc
+ "\n\n</dd>"
)
(attrNames builtins))

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@ -64,6 +64,7 @@ $(d)/conf-file.json: $(bindir)/nix
$(d)/src/expressions/builtins.md: $(d)/builtins.json $(d)/generate-builtins.nix $(d)/src/expressions/builtins-prefix.md $(bindir)/nix
@cat doc/manual/src/expressions/builtins-prefix.md > $@.tmp
$(trace-gen) $(nix-eval) --expr 'import doc/manual/generate-builtins.nix (builtins.fromJSON (builtins.readFile $<))' >> $@.tmp
@cat doc/manual/src/expressions/builtins-suffix.md >> $@.tmp
@mv $@.tmp $@
$(d)/builtins.json: $(bindir)/nix

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@ -9,7 +9,8 @@ scope. Instead, you can access them through the `builtins` built-in
value, which is a set that contains all built-in functions and values.
For instance, `derivation` is also available as `builtins.derivation`.
- `derivation` *attrs*; `builtins.derivation` *attrs*\
`derivation` is described in [its own section](derivations.md).
<dl>
<dt><code>derivation <var>attrs</var></code>;
<code>builtins.derivation <var>attrs</var></code></dt>
<dd><p><var>derivation</var> in described in
<a href="derivations.md">its own section</a>.</p></dd>

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@ -0,0 +1 @@
</dl>

37
misc/fish/completion.fish Normal file
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@ -0,0 +1,37 @@
function _nix_complete
# Get the current command up to a cursor.
# - Behaves correctly even with pipes and nested in commands like env.
# - TODO: Returns the command verbatim (does not interpolate variables).
# That might not be optimal for arguments like -f.
set -l nix_args (commandline --current-process --tokenize --cut-at-cursor)
# --cut-at-cursor with --tokenize removes the current token so we need to add it separately.
# https://github.com/fish-shell/fish-shell/issues/7375
# Can be an empty string.
set -l current_token (commandline --current-token --cut-at-cursor)
# Nix wants the index of the argv item to complete but the $nix_args variable
# also contains the program name (argv[0]) so we would need to subtract 1.
# But the variable also misses the current token so it cancels out.
set -l nix_arg_to_complete (count $nix_args)
env NIX_GET_COMPLETIONS=$nix_arg_to_complete $nix_args $current_token
end
function _nix_accepts_files
set -l response (_nix_complete)
# First line is either filenames or no-filenames.
test $response[1] = 'filenames'
end
function _nix
set -l response (_nix_complete)
# Skip the first line since it handled by _nix_accepts_files.
# Tail lines each contain a command followed by a tab character and, optionally, a description.
# This is also the format fish expects.
string collect -- $response[2..-1]
end
# Disable file path completion if paths do not belong in the current context.
complete --command nix --condition 'not _nix_accepts_files' --no-files
complete --command nix --arguments '(_nix)'

1
misc/fish/local.mk Normal file
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@ -0,0 +1 @@
$(eval $(call install-file-as, $(d)/completion.fish, $(datarootdir)/fish/vendor_completions.d/nix.fish, 0644))

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@ -56,7 +56,7 @@ case "$(uname -s).$(uname -m)" in
system=x86_64-darwin
;;
Darwin.arm64|Darwin.aarch64)
hash=@binaryTarball_aarch64-darwin@
hash=@tarballHash_aarch64-darwin@
path=@tarballPath_aarch64-darwin@
system=aarch64-darwin
;;

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@ -171,14 +171,50 @@ Strings SourceExprCommand::getDefaultFlakeAttrPathPrefixes()
void SourceExprCommand::completeInstallable(std::string_view prefix)
{
if (file) return; // FIXME
if (file) {
evalSettings.pureEval = false;
auto state = getEvalState();
Expr *e = state->parseExprFromFile(
resolveExprPath(state->checkSourcePath(lookupFileArg(*state, *file)))
);
completeFlakeRefWithFragment(
getEvalState(),
lockFlags,
getDefaultFlakeAttrPathPrefixes(),
getDefaultFlakeAttrPaths(),
prefix);
Value root;
state->eval(e, root);
auto autoArgs = getAutoArgs(*state);
std::string prefix_ = std::string(prefix);
auto sep = prefix_.rfind('.');
std::string searchWord;
if (sep != std::string::npos) {
searchWord = prefix_.substr(sep, std::string::npos);
prefix_ = prefix_.substr(0, sep);
} else {
searchWord = prefix_;
prefix_ = "";
}
Value &v1(*findAlongAttrPath(*state, prefix_, *autoArgs, root).first);
state->forceValue(v1);
Value v2;
state->autoCallFunction(*autoArgs, v1, v2);
if (v2.type() == nAttrs) {
for (auto & i : *v2.attrs) {
std::string name = i.name;
if (name.find(searchWord) == 0) {
completions->add(i.name);
}
}
}
} else {
completeFlakeRefWithFragment(
getEvalState(),
lockFlags,
getDefaultFlakeAttrPathPrefixes(),
getDefaultFlakeAttrPaths(),
prefix);
}
}
void completeFlakeRefWithFragment(

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@ -7,6 +7,7 @@
#include <ctime>
#include <iomanip>
#include <regex>
namespace nix {
@ -60,10 +61,19 @@ void emitTreeAttrs(
v.attrs->sort();
}
std::string fixURI(std::string uri, EvalState &state)
std::string fixURI(std::string uri, EvalState &state, const std::string & defaultScheme = "file")
{
state.checkURI(uri);
return uri.find("://") != std::string::npos ? uri : "file://" + uri;
return uri.find("://") != std::string::npos ? uri : defaultScheme + "://" + uri;
}
std::string fixURIForGit(std::string uri, EvalState & state)
{
static std::regex scp_uri("([^/].*)@(.*):(.*)");
if (uri[0] != '/' && std::regex_match(uri, scp_uri))
return fixURI(std::regex_replace(uri, scp_uri, "$1@$2/$3"), state, "ssh");
else
return fixURI(uri, state);
}
void addURI(EvalState &state, fetchers::Attrs &attrs, Symbol name, std::string v)
@ -121,15 +131,15 @@ static void fetchTree(
input = fetchers::Input::fromAttrs(std::move(attrs));
} else {
auto url = fixURI(state.coerceToString(pos, *args[0], context, false, false), state);
auto url = state.coerceToString(pos, *args[0], context, false, false);
if (type == "git") {
fetchers::Attrs attrs;
attrs.emplace("type", "git");
attrs.emplace("url", url);
attrs.emplace("url", fixURIForGit(url, state));
input = fetchers::Input::fromAttrs(std::move(attrs));
} else {
input = fetchers::Input::fromURL(url);
input = fetchers::Input::fromURL(fixURI(url, state));
}
}

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@ -16,13 +16,18 @@ Machine::Machine(decltype(storeUri) storeUri,
decltype(mandatoryFeatures) mandatoryFeatures,
decltype(sshPublicHostKey) sshPublicHostKey) :
storeUri(
// Backwards compatibility: if the URI is a hostname,
// prepend ssh://.
// Backwards compatibility: if the URI is schemeless, is not a path,
// and is not one of the special store connection words, prepend
// ssh://.
storeUri.find("://") != std::string::npos
|| hasPrefix(storeUri, "local")
|| hasPrefix(storeUri, "remote")
|| hasPrefix(storeUri, "auto")
|| hasPrefix(storeUri, "/")
|| storeUri.find("/") != std::string::npos
|| storeUri == "auto"
|| storeUri == "daemon"
|| storeUri == "local"
|| hasPrefix(storeUri, "auto?")
|| hasPrefix(storeUri, "daemon?")
|| hasPrefix(storeUri, "local?")
|| hasPrefix(storeUri, "?")
? storeUri
: "ssh://" + storeUri),
systemTypes(systemTypes),