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This commit is contained in:
Robert Hensing 2024-05-30 18:40:53 +02:00
parent c692f6af13
commit d93cc11491
1 changed files with 29 additions and 21 deletions
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50
src/nix/env.cc
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@ -6,15 +6,20 @@ using namespace nix;
struct CmdEnv : NixMultiCommand
{
CmdEnv() : NixMultiCommand("env", RegisterCommand::getCommandsFor({"env"}))
{ }
CmdEnv()
: NixMultiCommand("env", RegisterCommand::getCommandsFor({"env"}))
{
}
std::string description() override
{
return "manipulate the process environment";
}
Category category() override { return catUtility; }
Category category() override
{
return catUtility;
}
};
static auto rCmdEnv = registerCommand<CmdEnv>("env");
@ -24,20 +29,20 @@ struct CmdShell : InstallablesCommand, MixEnvironment
using InstallablesCommand::run;
std::vector<std::string> command = { getEnv("SHELL").value_or("bash") };
std::vector<std::string> command = {getEnv("SHELL").value_or("bash")};
CmdShell()
{
addFlag({
.longName = "command",
.shortName = 'c',
.description = "Command and arguments to be executed, defaulting to `$SHELL`",
.labels = {"command", "args"},
.handler = {[&](std::vector<std::string> ss) {
if (ss.empty()) throw UsageError("--command requires at least one argument");
command = ss;
}}
});
addFlag(
{.longName = "command",
.shortName = 'c',
.description = "Command and arguments to be executed, defaulting to `$SHELL`",
.labels = {"command", "args"},
.handler = {[&](std::vector<std::string> ss) {
if (ss.empty())
throw UsageError("--command requires at least one argument");
command = ss;
}}});
}
std::string description() override
@ -48,19 +53,21 @@ struct CmdShell : InstallablesCommand, MixEnvironment
std::string doc() override
{
return
#include "shell.md"
;
#include "shell.md"
;
}
void run(ref<Store> store, Installables && installables) override
{
auto outPaths = Installable::toStorePaths(getEvalStore(), store, Realise::Outputs, OperateOn::Output, installables);
auto outPaths =
Installable::toStorePaths(getEvalStore(), store, Realise::Outputs, OperateOn::Output, installables);
auto accessor = store->getFSAccessor();
std::unordered_set<StorePath> done;
std::queue<StorePath> todo;
for (auto & path : outPaths) todo.push(path);
for (auto & path : outPaths)
todo.push(path);
setEnviron();
@ -69,7 +76,8 @@ struct CmdShell : InstallablesCommand, MixEnvironment
while (!todo.empty()) {
auto path = todo.front();
todo.pop();
if (!done.insert(path).second) continue;
if (!done.insert(path).second)
continue;
if (true)
pathAdditions.push_back(store->printStorePath(path) + "/bin");
@ -88,11 +96,11 @@ struct CmdShell : InstallablesCommand, MixEnvironment
setEnv("PATH", unixPathString.c_str());
Strings args;
for (auto & arg : command) args.push_back(arg);
for (auto & arg : command)
args.push_back(arg);
runProgramInStore(store, UseLookupPath::Use, *command.begin(), args);
}
};
static auto rCmdShell = registerCommand2<CmdShell>({"env", "shell"});