X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=cmd%2Fsafcm%2Fconfig%2Fpackages.go;fp=cmd%2Fsafcm%2Fconfig%2Fpackages.go;h=60ddc87d8f56dd7582cca10f2ead16c728cb2742;hb=f2f2bc47e8729548f3c10117f7f008b547c4afc5;hp=0000000000000000000000000000000000000000;hpb=dc0d431a778a50e6732b9eb91384a07a207b772d;p=safcm%2Fsafcm.git

diff --git a/cmd/safcm/config/packages.go b/cmd/safcm/config/packages.go
new file mode 100644
index 0000000..60ddc87
--- /dev/null
+++ b/cmd/safcm/config/packages.go
@@ -0,0 +1,55 @@
+// Config: parse packages.yaml
+
+// Copyright (C) 2021  Simon Ruderich
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package config
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"gopkg.in/yaml.v2"
+)
+
+func LoadPackages(group string) ([]string, error) {
+	path := filepath.Join(group, "packages.yaml")
+
+	var res []string
+	x, err := os.ReadFile(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return nil, nil
+		}
+		return nil, err
+	}
+	err = yaml.UnmarshalStrict(x, &res)
+	if err != nil {
+		return nil, fmt.Errorf("%s: failed to load: %v", path, err)
+	}
+
+	// Sanity checks
+	for _, x := range res {
+		if len(strings.Fields(x)) != 1 {
+			return nil, fmt.Errorf(
+				"%s: package name %q must not contain whitespace",
+				path, x)
+		}
+	}
+
+	return res, nil
+}