1 files changed, 83 insertions, 0 deletions
diff --git a/www/codeberg-pages-server/files/config-generater.go b/www/codeberg-pages-server/files/config-generater.go
new file mode 100644
index 000000000000..9aa9793db05a
--- /dev/null
+++ b/www/codeberg-pages-server/files/config-generater.go
@@ -0,0 +1,83 @@
+package main
+
+import (
+    "bufio"
+    "fmt"
+    "os"
+    "regexp"
+    "strings"
+)
+
+var (
+    linePattern  = regexp.MustCompile(`^ *--([a-zA-Z0-9_-]+)\ value.*\[\$([A-Z0-9_]+)\]`)
+    descRegexp   = regexp.MustCompile(`^.*value\s+(.*)(\(default.*\)|\[.*\]).*$`)
+    defValRegexp = regexp.MustCompile(`\(default: ([^)]+)\)`)
+)
+
+func main() {
+    fmt.Println("# See https://codeberg.org/Codeberg/pages-server")
+    fmt.Println()
+
+    scanner := bufio.NewScanner(os.Stdin)
+    for scanner.Scan() {
+        line := scanner.Text()
+        matches := linePattern.FindStringSubmatch(line)
+        if matches == nil {
+            continue
+        }
+
+        optionName := matches[2]
+
+        descMatches := descRegexp.FindStringSubmatch(line)
+        var description string
+        if len(descMatches) > 1 {
+            description = descMatches[1]
+        }
+        description = strings.TrimRight(description, " \t")
+        if strings.HasPrefix(description, "]") {
+            description = strings.TrimPrefix(description, "]")
+            description = strings.TrimLeft(description, " ")
+        }
+
+        defValMatches := defValRegexp.FindStringSubmatch(line)
+        var defaultValue string
+        if len(defValMatches) > 1 {
+            defaultValue = defValMatches[1]
+        }
+
+        exportCmd := "export"
+        switch optionName {
+        case "FORBIDDEN_MIME_TYPES",
+            "ALLOWED_CORS_DOMAINS",
+            "BLACKLISTED_PATHS",
+            "CONFIG_FILE",
+            "PROFILING_ADDRESS",
+            "ACME_EAB_KID",
+            "ACME_EAB_HMAC",
+            "DNS_PROVIDER":
+            optionName = "#" + optionName
+            exportCmd = "#" + exportCmd
+        }
+
+        if description != "" {
+            fmt.Printf("# %s\n", description)
+        } else {
+            fmt.Println("#")
+        }
+
+        if defaultValue != "" {
+            fmt.Printf("%s=%s\n", optionName, defaultValue)
+            fmt.Printf("%s %s\n", exportCmd, optionName)
+        } else {
+            fmt.Printf("%s=\"\"\n", optionName)
+            uncommented := strings.TrimPrefix(optionName, "#")
+            fmt.Printf("%s %s\n", exportCmd, uncommented)
+        }
+        fmt.Println()
+    }
+
+    if err := scanner.Err(); err != nil {
+        fmt.Fprintf(os.Stderr, "read error: %v\n", err)
+        os.Exit(1)
+    }
+}