Merge branch 'ek/completion-use-read-r-to-read-literally'

The completion script used to use bare "read" without the "-r"
option to read the contents of various state files, which risked
getting confused with backslashes in them.  This has been
corrected.

* ek/completion-use-read-r-to-read-literally:
  completion: suppress unwanted unescaping of `read`

contrib/completion/git-prompt.sh

@@ -298,7 +298,7 @@ __git_ps1_colorize_gitstring ()
 # variable, in that order.
 __git_eread ()
 {
-	test -r "$1" && IFS=$'\r\n' read "$2" <"$1"
+	test -r "$1" && IFS=$'\r\n' read -r "$2" <"$1"
 }
 
 # see if a cherry-pick or revert is in progress, if the user has committed a