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Make 'nix dev-shell' a deprecated alias for 'nix develop'

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This commit is contained in:
Eelco Dolstra 2020-06-04 11:14:19 +02:00
parent 61e3d598b6
commit 0f44b60e6d
4 changed files with 13 additions and 5 deletions
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11
src/libutil/args.cc
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@ -217,10 +217,15 @@ MultiCommand::MultiCommand(const Commands & commands)
{
expectedArgs.push_back(ExpectedArg{"command", 1, true, [=](std::vector<std::string> ss) {
assert(!command);
auto i = commands.find(ss[0]);
auto cmd = ss[0];
if (auto alias = get(deprecatedAliases, cmd)) {
warn("'%s' is a deprecated alias for '%s'", cmd, *alias);
cmd = *alias;
}
auto i = commands.find(cmd);
if (i == commands.end())
throw UsageError("'%s' is not a recognised command", ss[0]);
command = {ss[0], i->second()};
throw UsageError("'%s' is not a recognised command", cmd);
command = {cmd, i->second()};
}});
categories[Command::catDefault] = "Available commands";