adding custom config library, can read/write TOML, started config validation

client/clientconfig/config.go

@@ -0,0 +1,87 @@
+package config
+
+import (
+	"fmt"
+	"os"
+)
+
+// ValidateConfig will go through the entire config and do basic sanity checks
+func ValidateConfig(conf *Gvcconfig, version string) error {
+	if conf.Version == "" { // No version found, should we update it?
+		fmt.Printf("No version found, inputing current client version: %s", version)
+		conf.Version = version
+	}
+	if conf.RootPath == "" {
+		path, err := os.Getwd()
+		if err != nil {
+			return fmt.Errorf("unable to get current working directory, and rootpath of repo is not set: %s", err)
+		}
+		fmt.Printf("No root path found, inputting current working directory: %s", path)
+	}
+	err := validateRemotes(conf)
+	if err != nil {
+		return err
+	}
+	err = validateCompress(conf)
+	if err != nil {
+		return err
+	}
+	//TODO validate ignores (pretty similar to compress)
+	return nil
+}
+
+// validateCompress checks the compression settings to make sure they are valid //TODO return error needed?
+func validateCompress(conf *Gvcconfig) error {
+	compress := conf.NoCompress
+	for i, file := range compress.Files {
+		if file == "" {
+			fmt.Println("empty file in compress files, removing... ")
+			compress.Files[i] = compress.Files[len(compress.Files)-1]
+		}
+		// TODO: write more validation
+		return nil
+	}
+	for i, folder := range compress.Folders {
+		file, err := os.Stat(folder) // TODO: check to see if it returns ABS or not, might need to convert
+		if err != nil {
+			fmt.Println("unable to find folder listed in array, removing it: ", folder)
+			compress.Folders[i] = compress.Folders[len(compress.Folders)-1]
+			continue
+		}
+		fileType := file.Mode()
+		if fileType.IsRegular() { // Not a folder
+			fmt.Println("compressed folder in array is not actually a folder, moving it to file compress: ", folder)
+			compress.Folders[i] = compress.Folders[len(compress.Folders)-1]
+			compress.Files = append(compress.Files, folder)
+			continue
+		}
+	}
+	for i, ext := range compress.Exts {
+		if ext == "" {
+			fmt.Println("empty ext in compress exts, removing... ")
+			compress.Exts[i] = compress.Exts[len(compress.Exts)-1]
+			continue
+		}
+		// TODO: validate there is a "." in front of the ext, if not add it?
+	}
+	return nil
+}
+
+// validateRemotes ranges through all of the remotes and validates them
+func validateRemotes(conf *Gvcconfig) error {
+	remotes := conf.Remotes
+	for _, remote := range remotes {
+		if remote.Name == "" {
+			return fmt.Errorf("Unnamed remote found in config, all remotes require name")
+		}
+		if remote.Host == "" {
+			return fmt.Errorf("Host cannot be empty: %s in %s", remote.Name, remote.Host)
+		} // Checking for a valid port // TODO: might need to move this function to common library, feel like we will need this in the future?
+		if remote.Port == 0 || remote.Port == 1 || remote.Port > 65535 { // TODO: edit the config library to allow default options?
+			fmt.Printf("Remote %s did not have a valid port set, setting it to the default port 8888", remote.Name)
+			remote.Port = 8888
+			conf.Remotes = append(conf.Remotes, remote)
+		}
+	}
+	return nil
+}

client/clientconfig/structures.go

@@ -0,0 +1,24 @@
+package config
+
+//Gvcconfig will be the struct that holds the entire client settings
+type Gvcconfig struct {
+	Version    string   `toml:"version"`
+	RootPath   string   `toml:rootPath`
+	Remotes    []Remote `toml:"remote"`     //The remote servers for the repo
+	Ignores    Ignore   `toml:"ignore"`     //These files will be ignored for all add functions
+	NoCompress Ignore   `toml:"nocompress"` //For binary compression some files should be ignored because the performance hit isn't worth the size savings
+}
+
+//Remote will be a slice of remote server information
+type Remote struct {
+	Name string `toml:"name"`
+	Host string `toml:"host"`
+	Port int    `toml:"port"`
+}
+
+//Ignore is for ignoring files to add or ignoring compress
+type Ignore struct {
+	Files   []string `toml:"files"`
+	Exts    []string `toml:"exts"`
+	Folders []string `toml:"folders"`
+}