// CalculateSousHash returns a hash of the current version of Sous and its main
// configuration file.
func CalculateSousHash() string {
inputs := []string{cmd.Stdout("sous", "version")}
if c, ok := file.ReadString("~/.sous/config"); ok {
inputs = append(inputs, c)
}
return HashSum(inputs...)
}
// CalculateTreeHash returns a hash of the current state of the working tree,
// leaning heavily on git for optimisation.
func CalculateTreeHash() string {
inputs := []string{}
indexDiffs := cmd.Stdout("git", "diff-index", "HEAD")
if len(indexDiffs) != 0 {
inputs = append(inputs, indexDiffs)
}
newFiles := git.UntrackedUnignoredFiles()
if len(newFiles) != 0 {
for _, f := range newFiles {
inputs = append(inputs, f)
if content, ok := file.ReadString(f); ok {
inputs = append(inputs, content)
}
}
}
return HashSum(inputs...)
}