move all scripts to scripts/

embed/README.md

@@ -0,0 +1 @@
+`scripts/embed.py [internal/external]` will copy the respective file into the main directory. If internal, `//go:embed` is used to embed the `data/` directory in the binary. If external, `os.DirFS` is used to access the `data/` directory, which should be placed next to the executable.

embed/external.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"io/fs"
+	"log"
+	"os"
+	"path/filepath"
+)
+
+var localFS fs.FS
+var langFS fs.FS
+
+func FSJoin(elem ...string) string { return filepath.Join(elem...) }
+
+func loadFilesystems() {
+	log.Println("Using external storage")
+	executable, _ := os.Executable()
+	localFS = os.DirFS(filepath.Join(filepath.Dir(executable), "data"))
+	langFS = os.DirFS(filepath.Join(filepath.Dir(executable), "data", "lang"))
+}

embed/internal.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"embed"
+	"io/fs"
+	"log"
+)
+
+//go:embed data data/html data/web data/web/css data/web/js
+var loFS embed.FS
+
+//go:embed lang/common lang/admin lang/email lang/form lang/setup
+var laFS embed.FS
+
+var langFS rewriteFS
+var localFS rewriteFS
+
+type rewriteFS struct {
+	fs     embed.FS
+	prefix string
+}
+
+func (l rewriteFS) Open(name string) (fs.File, error)          { return l.fs.Open(l.prefix + name) }
+func (l rewriteFS) ReadDir(name string) ([]fs.DirEntry, error) { return l.fs.ReadDir(l.prefix + name) }
+func (l rewriteFS) ReadFile(name string) ([]byte, error)       { return l.fs.ReadFile(l.prefix + name) }
+func FSJoin(elem ...string) string {
+	out := ""
+	for _, v := range elem {
+		out += v + "/"
+	}
+	return out[:len(out)-1]
+}
+
+func loadFilesystems() {
+	langFS = rewriteFS{laFS, "lang/"}
+	localFS = rewriteFS{loFS, "data/"}
+	log.Println("Using internal storage")
+}