krino: foundation — sexp reader, config language, init/new/check

1 files changed, 44 insertions, 0 deletions

diff --git a/cmd/krino/check.go b/cmd/krino/check.go
new file mode 100644
index 0000000..fcd507d
--- /dev/null
+++ b/cmd/krino/check.go
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package main
+
+import (
+	"fmt"
+	"io"
+	"os"
+
+	"krino/internal/config"
+	"krino/internal/xdg"
+)
+
+func init() { commands["check"] = cmdCheck }
+
+// cmdCheck validates the configuration and lists each directory's rules.
+func cmdCheck(g *globals, args []string, stdout, stderr io.Writer) int {
+	fs := flagSet("check", g)
+	if code, ok := parse(fs, args, stdout, stderr); !ok {
+		return code
+	}
+	cfg, errs := config.Load(mainFile(g), fs.Args()...)
+	if len(errs) > 0 {
+		printDiags(stderr, errs)
+		return 2
+	}
+	fmt.Fprintf(stdout, "config: %s\n", xdg.Abbrev(cfg.Main.File))
+	if len(cfg.Dirs) == 0 {
+		fmt.Fprintln(stdout, "no directories included; add one with: krino new NAME PATH")
+	}
+	for _, d := range cfg.Dirs {
+		fmt.Fprintf(stdout, "\n%s  %s\n", d.Name, xdg.Abbrev(d.Path))
+		if fi, err := os.Stat(d.Path); err != nil || !fi.IsDir() {
+			fmt.Fprintf(stdout, "  warning: %s is not a directory right now; it will be skipped\n", xdg.Abbrev(d.Path))
+		}
+		if len(d.Rules) == 0 {
+			fmt.Fprintln(stdout, "  no rules yet")
+		}
+		for i, r := range d.Rules {
+			fmt.Fprintf(stdout, "  %2d  %-16s %s\n", i+1, r.Name, describeActions(r))
+		}
+	}
+	return 0
+}