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package config
import (
"fmt"
"go.nc0.fr/svgu/pkg/config/lib/bzr"
"go.nc0.fr/svgu/pkg/config/lib/fossil"
"go.nc0.fr/svgu/pkg/config/lib/git"
"go.nc0.fr/svgu/pkg/config/lib/hg"
"go.nc0.fr/svgu/pkg/config/lib/prelude"
"go.nc0.fr/svgu/pkg/config/lib/svn"
"go.nc0.fr/svgu/pkg/types"
"go.starlark.net/starlark"
)
// ExecConfig configures the Starlark environment and executes the given
// configuration file "fl".
// The function returns a list of registered modules, or an error if something
// went wrong.
func ExecConfig(fl string) (*types.Index, error) {
th := &starlark.Thread{
Name: "exec " + fl,
Load: load,
}
// TODO(nc0): add built-ins
env := starlark.StringDict{
"index": starlark.NewBuiltin("index", prelude.InternIndex),
"module": starlark.NewBuiltin("module", prelude.InternModule),
}
prelude.Registered = types.Index{
Domain: "",
Modules: make(map[string]*types.Module),
}
if _, err := starlark.ExecFile(th, fl, nil, env); err != nil {
return &types.Index{}, err
}
return &prelude.Registered, nil
}
// load loads a module from the given path.
func load(t *starlark.Thread, module string) (starlark.StringDict, error) {
switch module {
case "@svgu/git.star": // git
return git.LoadGitModule(t)
case "@svgu/hg.star": // mercurial
return hg.LoadHgModule(t)
case "@svgu/svn.star": // subversion
return svn.LoadSvnModule(t)
case "@svgu/fossil.star": // fossil
return fossil.LoadFossilModule(t)
case "@svgu/bzr.star": // bazaar
return bzr.LoadBzrModule(t)
default:
return nil, fmt.Errorf("unknown module %q", module)
}
}
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