Add shell completion for why-depends

Fixes #5806
2021-12-20 19:57:48 +01:00 · 2021-12-20 19:57:48 +01:00 · 1827cf5a9b
parent 6e6e998930
commit 1827cf5a9b
1 changed files with 15 additions and 2 deletions
--- a/src/nix/why-depends.cc
+++ b/src/nix/why-depends.cc
@ -34,8 +34,21 @@ struct CmdWhyDepends : SourceExprCommand

    CmdWhyDepends()
    {
-        expectArg("package", &_package);
-        expectArg("dependency", &_dependency);
+        expectArgs({
+            .label = "package",
+            .handler = {&_package},
+            .completer = {[&](size_t, std::string_view prefix) {
+                completeInstallable(prefix);
+            }}
+        });
+
+        expectArgs({
+            .label = "dependency",
+            .handler = {&_dependency},
+            .completer = {[&](size_t, std::string_view prefix) {
+                completeInstallable(prefix);
+            }}
+        });

        addFlag({
            .longName = "all",