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package git
import (
"io"
"strings"
"gopkg.in/src-d/go-git.v4/config"
"gopkg.in/src-d/go-git.v4/plumbing/storer"
)
// Storer is a generic storage of objects, references and any information
// related to a particular repository. Some Storer implementations persist the
// information in an system directory (such as `.git`) and others
// implementations are in memmory being ephemeral
type Storer interface {
storer.ObjectStorer
storer.ReferenceStorer
config.ConfigStorer
}
// countLines returns the number of lines in a string à la git, this is
// The newline character is assumed to be '\n'. The empty string
// contains 0 lines. If the last line of the string doesn't end with a
// newline, it will still be considered a line.
func countLines(s string) int {
if s == "" {
return 0
}
nEOL := strings.Count(s, "\n")
if strings.HasSuffix(s, "\n") {
return nEOL
}
return nEOL + 1
}
// checkClose is used with defer to close the given io.Closer and check its
// returned error value. If Close returns an error and the given *error
// is not nil, *error is set to the error returned by Close.
//
// checkClose is typically used with named return values like so:
//
// func do(obj *Object) (err error) {
// w, err := obj.Writer()
// if err != nil {
// return nil
// }
// defer checkClose(w, &err)
// // work with w
// }
func checkClose(c io.Closer, err *error) {
if cerr := c.Close(); cerr != nil && *err == nil {
*err = cerr
}
}
// DateFormat is the format being use in the orignal git implementation
const DateFormat = "Mon Jan 02 15:04:05 2006 -0700"
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