69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#include "lix/libcmd/command.hh"
|
|
#include "lix/libmain/shared.hh"
|
|
#include "lix/libexpr/eval.hh"
|
|
#include "lix/libexpr/attr-path.hh"
|
|
#include "lix/libcmd/editor-for.hh"
|
|
#include "lix/libutil/c-calls.hh"
|
|
#include "lix/libutil/current-process.hh"
|
|
#include "edit.hh"
|
|
|
|
#include <unistd.h>
|
|
|
|
namespace nix {
|
|
|
|
struct CmdEdit : InstallableCommand
|
|
{
|
|
std::string description() override
|
|
{
|
|
return "open the Nix expression of a Nix package in $EDITOR";
|
|
}
|
|
|
|
std::string doc() override
|
|
{
|
|
return
|
|
#include "edit.md"
|
|
;
|
|
}
|
|
|
|
Category category() override { return catSecondary; }
|
|
|
|
void run(ref<Store> store, ref<Installable> installable) override
|
|
{
|
|
auto evaluator = getEvaluator();
|
|
auto state = evaluator->begin(aio());
|
|
|
|
auto const installableValue = InstallableValue::require(installable);
|
|
|
|
const auto [file, line] = [&] {
|
|
auto [v, pos] = installableValue->toValue(*state);
|
|
|
|
try {
|
|
return findPackageFilename(*state, v, installable->what());
|
|
} catch (NoPositionInfo &) {
|
|
throw Error("cannot find position information for '%s", installableValue->what());
|
|
}
|
|
}();
|
|
|
|
logger->pause();
|
|
|
|
auto args = editorFor(file, line);
|
|
|
|
restoreProcessContext();
|
|
|
|
printMsg(lvlChatty, "running editor: %s", concatMapStringsSep(" ", args, shellEscape));
|
|
|
|
sys::execvp(args.front(), args);
|
|
|
|
std::string command;
|
|
for (const auto &arg : args) command += " '" + arg + "'";
|
|
throw SysError("cannot run command%s", command);
|
|
}
|
|
};
|
|
|
|
void registerNixEdit()
|
|
{
|
|
registerCommand<CmdEdit>("edit");
|
|
}
|
|
|
|
}
|