Clarify that refspec is needed to checkout a git hash (#4564)

fixes #1531
9 years ago · 9da4c42679
parent 21688383c3
commit 9da4c42679
1 changed files with 3 additions and 2 deletions
--- a/source_control/git.py
+++ b/source_control/git.py
@ -46,8 +46,9 @@ options:
        default: "HEAD"
        description:
            - What version of the repository to check out.  This can be the
-              full 40-character I(SHA-1) hash, the literal string C(HEAD), a
-              branch name, or a tag name.
+              the literal string C(HEAD), a branch name, a tag name. 
+              It can also be a I(SHA-1) hash, in which case C(refspec) needs 
+              to be specified if the given revision is not already available.
    accept_hostkey:
        required: false
        default: "no"