147 lines
4.0 KiB
Go
147 lines
4.0 KiB
Go
package git
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import (
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"os"
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"path/filepath"
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"strings"
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"sync"
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"github.com/git-lfs/git-lfs/subprocess"
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)
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// Configuration can fetch or modify the current Git config and track the Git
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// version.
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type Configuration struct {
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WorkDir string
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GitDir string
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version *string
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mu sync.Mutex
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}
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func NewConfig(workdir, gitdir string) *Configuration {
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if len(gitdir) == 0 && len(workdir) > 0 {
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gitdir = filepath.Join(workdir, ".git")
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}
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return &Configuration{WorkDir: workdir, GitDir: gitdir}
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}
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func ParseConfigLines(lines string, onlySafeKeys bool) *ConfigurationSource {
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return &ConfigurationSource{
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Lines: strings.Split(lines, "\n"),
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OnlySafeKeys: onlySafeKeys,
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}
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}
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type ConfigurationSource struct {
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Lines []string
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OnlySafeKeys bool
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}
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// Find returns the git config value for the key
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func (c *Configuration) Find(val string) string {
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output, _ := c.gitConfig(val)
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return output
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}
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// FindGlobal returns the git config value global scope for the key
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func (c *Configuration) FindGlobal(key string) string {
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output, _ := c.gitConfig("--global", key)
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return output
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}
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// FindSystem returns the git config value in system scope for the key
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func (c *Configuration) FindSystem(key string) string {
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output, _ := c.gitConfig("--system", key)
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return output
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}
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// Find returns the git config value for the key
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func (c *Configuration) FindLocal(key string) string {
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output, _ := c.gitConfig("--local", key)
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return output
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}
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// SetGlobal sets the git config value for the key in the global config
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func (c *Configuration) SetGlobal(key, val string) (string, error) {
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return c.gitConfig("--global", "--replace-all", key, val)
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}
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// SetSystem sets the git config value for the key in the system config
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func (c *Configuration) SetSystem(key, val string) (string, error) {
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return c.gitConfig("--system", "--replace-all", key, val)
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}
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// UnsetGlobalSection removes the entire named section from the global config
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func (c *Configuration) UnsetGlobalSection(key string) (string, error) {
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return c.gitConfig("--global", "--remove-section", key)
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}
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// UnsetSystemSection removes the entire named section from the system config
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func (c *Configuration) UnsetSystemSection(key string) (string, error) {
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return c.gitConfig("--system", "--remove-section", key)
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}
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// UnsetLocalSection removes the entire named section from the system config
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func (c *Configuration) UnsetLocalSection(key string) (string, error) {
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return c.gitConfig("--local", "--remove-section", key)
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}
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// SetLocal sets the git config value for the key in the specified config file
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func (c *Configuration) SetLocal(key, val string) (string, error) {
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return c.gitConfig("--replace-all", key, val)
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}
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// UnsetLocalKey removes the git config value for the key from the specified config file
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func (c *Configuration) UnsetLocalKey(key string) (string, error) {
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return c.gitConfig("--unset", key)
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}
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func (c *Configuration) Sources(optionalFilename string) ([]*ConfigurationSource, error) {
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gitconfig, err := c.Source()
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if err != nil {
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return nil, err
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}
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fileconfig, err := c.FileSource(optionalFilename)
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if err != nil && !os.IsNotExist(err) {
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return nil, err
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}
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configs := make([]*ConfigurationSource, 0, 2)
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if fileconfig != nil {
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configs = append(configs, fileconfig)
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}
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return append(configs, gitconfig), nil
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}
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func (c *Configuration) FileSource(filename string) (*ConfigurationSource, error) {
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if _, err := os.Stat(filename); err != nil {
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return nil, err
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}
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out, err := c.gitConfig("-l", "-f", filename)
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if err != nil {
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return nil, err
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}
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return ParseConfigLines(out, true), nil
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}
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func (c *Configuration) Source() (*ConfigurationSource, error) {
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out, err := c.gitConfig("-l")
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if err != nil {
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return nil, err
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}
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return ParseConfigLines(out, false), nil
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}
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func (c *Configuration) gitConfig(args ...string) (string, error) {
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args = append([]string{"config"}, args...)
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subprocess.Trace("git", args...)
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cmd := subprocess.ExecCommand("git", args...)
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if len(c.GitDir) > 0 {
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cmd.Dir = c.GitDir
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}
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return subprocess.Output(cmd)
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}
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