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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,231 @@ | ||
| package stew | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "io/ioutil" | ||
| "os" | ||
| "path/filepath" | ||
| "runtime" | ||
| ) | ||
|
|
||
| // GetDefaultStewPath will return the default path to the top-level stew directory | ||
| func GetDefaultStewPath(userOS string) (string, error) { | ||
|
|
||
| homeDir, err := os.UserHomeDir() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| var stewPath string | ||
| switch userOS { | ||
| case "windows": | ||
| stewPath = filepath.Join(homeDir, "AppData", "Local", "stew") | ||
| default: | ||
| xdgDataHomePath := os.Getenv("XDG_DATA_HOME") | ||
| if xdgDataHomePath == "" { | ||
| stewPath = filepath.Join(homeDir, ".local", "share", "stew") | ||
| } else { | ||
| stewPath = filepath.Join(xdgDataHomePath, "stew") | ||
|
|
||
| } | ||
| } | ||
|
|
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| return stewPath, nil | ||
| } | ||
|
|
||
| // GetDefaultStewBinPath will return the default path where binaries are installed by stew | ||
| func GetDefaultStewBinPath(userOS string) (string, error) { | ||
|
|
||
| homeDir, err := os.UserHomeDir() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| var stewBinPath string | ||
| switch userOS { | ||
| case "windows": | ||
| stewBinPath = filepath.Join(homeDir, "AppData", "Local", "stew", "bin") | ||
| default: | ||
| xdgDataHomePath := os.Getenv("XDG_DATA_HOME") | ||
| if xdgDataHomePath == "" { | ||
| stewBinPath = filepath.Join(homeDir, ".local", "share", "stew", "bin") | ||
| } else { | ||
| stewBinPath = filepath.Join(xdgDataHomePath, "stew", "bin") | ||
|
|
||
| } | ||
| } | ||
|
|
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| return stewBinPath, nil | ||
| } | ||
|
|
||
| // GetStewConfigFilePath will return the stew config file path | ||
| func GetStewConfigFilePath(userOS string) (string, error) { | ||
|
|
||
| homeDir, err := os.UserHomeDir() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
|
||
| var stewConfigFilePath string | ||
| switch userOS { | ||
| case "windows": | ||
| stewConfigFilePath = filepath.Join(homeDir, "AppData", "Local", "stew", "Config", "config.json") | ||
| default: | ||
| xdgConfigHomePath := os.Getenv("XDG_CONFIG_HOME") | ||
| if xdgConfigHomePath == "" { | ||
| stewConfigFilePath = filepath.Join(xdgConfigHomePath, "stew", "config.json") | ||
| } else { | ||
| stewConfigFilePath = filepath.Join(homeDir, ".config", "stew", "config.json") | ||
| } | ||
| } | ||
|
|
||
| return stewConfigFilePath, nil | ||
| } | ||
|
|
||
| // StewConfig contains all the stew configuration data | ||
| type StewConfig struct { | ||
| StewPath string `json:"stewPath"` | ||
| StewBinPath string `json:"stewBinPath"` | ||
| } | ||
|
|
||
| func readStewConfigJSON(stewConfigFilePath string) (StewConfig, error) { | ||
|
|
||
| stewConfigFileBytes, err := ioutil.ReadFile(stewConfigFilePath) | ||
| if err != nil { | ||
| return StewConfig{}, err | ||
| } | ||
|
|
||
| var stewConfig StewConfig | ||
| err = json.Unmarshal(stewConfigFileBytes, &stewConfig) | ||
| if err != nil { | ||
| return StewConfig{}, err | ||
| } | ||
|
|
||
| return stewConfig, nil | ||
| } | ||
|
|
||
| // WriteStewConfigJSON will write the config JSON file | ||
| func WriteStewConfigJSON(stewConfigFileJSON StewConfig, outputPath string) error { | ||
|
|
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| stewConfigFileBytes, err := json.MarshalIndent(stewConfigFileJSON, "", "\t") | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = ioutil.WriteFile(outputPath, stewConfigFileBytes, 0644) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // NewStewConfig creates a new instance of the StewConfig struct | ||
| func NewStewConfig(userOS string) (StewConfig, error) { | ||
| var stewConfig StewConfig | ||
|
|
||
| stewConfigFilePath, err := GetStewConfigFilePath(userOS) | ||
| if err != nil { | ||
| return StewConfig{}, err | ||
| } | ||
| defaultStewPath, err := GetDefaultStewPath(userOS) | ||
| if err != nil { | ||
| return StewConfig{}, err | ||
| } | ||
| defaultStewBinPath, err := GetDefaultStewBinPath(userOS) | ||
| if err != nil { | ||
| return StewConfig{}, err | ||
| } | ||
|
|
||
| configExists, err := PathExists(stewConfigFilePath) | ||
| if err != nil { | ||
| return StewConfig{}, err | ||
| } | ||
| if configExists { | ||
| stewConfig, err = readStewConfigJSON(stewConfigFilePath) | ||
| if err != nil { | ||
| return StewConfig{}, err | ||
| } | ||
| } | ||
|
|
||
| if stewConfig.StewPath == "" { | ||
| stewConfig.StewPath = defaultStewPath | ||
| } | ||
|
|
||
| if stewConfig.StewBinPath == "" { | ||
| stewConfig.StewBinPath = defaultStewBinPath | ||
| } | ||
|
|
||
| err = createStewDirsAndFiles(stewConfig, stewConfigFilePath) | ||
| if err != nil { | ||
| return StewConfig{}, err | ||
| } | ||
|
|
||
| return stewConfig, nil | ||
| } | ||
|
|
||
| func createStewDirsAndFiles(stewConfig StewConfig, stewConfigFilePath string) error { | ||
| var err error | ||
|
|
||
| err = os.MkdirAll(stewConfig.StewPath, 0755) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = os.MkdirAll(filepath.Join(stewConfig.StewPath, "bin"), 0755) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = os.MkdirAll(filepath.Join(stewConfig.StewPath, "pkg"), 0755) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = os.MkdirAll(stewConfig.StewBinPath, 0755) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = os.MkdirAll(filepath.Dir(stewConfigFilePath), 0755) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = WriteStewConfigJSON(stewConfig, stewConfigFilePath) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // SystemInfo contains system specific info like OS, arch, and ~/.stew paths | ||
| type SystemInfo struct { | ||
| StewPath string | ||
| StewBinPath string | ||
| StewPkgPath string | ||
| StewLockFilePath string | ||
| StewTmpPath string | ||
| } | ||
|
|
||
| // NewSystemInfo creates a new instance of the SystemInfo struct | ||
| func NewSystemInfo(stewConfig StewConfig) SystemInfo { | ||
| var systemInfo SystemInfo | ||
| systemInfo.StewPath = stewConfig.StewPath | ||
| systemInfo.StewBinPath = stewConfig.StewBinPath | ||
| systemInfo.StewPkgPath = filepath.Join(stewConfig.StewPath, "pkg") | ||
| systemInfo.StewLockFilePath = filepath.Join(stewConfig.StewPath, "Stewfile.lock.json") | ||
| systemInfo.StewTmpPath = filepath.Join(stewConfig.StewPath, "tmp") | ||
| return systemInfo | ||
| } | ||
|
|
||
| // Initialize returns pertinent initialization information like OS, arch, configuration, and system info | ||
| func Initialize() (string, string, StewConfig, SystemInfo, error) { | ||
| userOS := runtime.GOOS | ||
| userArch := runtime.GOARCH | ||
| stewConfig, err := NewStewConfig(userOS) | ||
| if err != nil { | ||
| return "", "", StewConfig{}, SystemInfo{}, err | ||
| } | ||
| systemInfo := NewSystemInfo(stewConfig) | ||
|
|
||
| return userOS, userArch, stewConfig, systemInfo, nil | ||
| } |
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