documentation: improve docs for checkout_head

`git_checkout_head` is sadly misunderstood as something that can
switch branches.  It cannot.  Update the documentation to reflect this.
This commit is contained in:
Edward Thomson 2016-06-14 12:27:03 -05:00 committed by Carlos Martín Nieto
parent 27008e849f
commit a574d84352

View File

@ -313,6 +313,13 @@ GIT_EXTERN(int) git_checkout_init_options(
* Updates files in the index and the working tree to match the content of
* the commit pointed at by HEAD.
*
* Note that this is _not_ the correct mechanism used to switch branches;
* do not change your `HEAD` and then call this method, that would leave
* you with checkout conflicts since your working directory would then
* appear to be dirty. Instead, checkout the target of the branch and
* then update `HEAD` using `git_repository_set_head` to point to the
* branch you checked out.
*
* @param repo repository to check out (must be non-bare)
* @param opts specifies checkout options (may be NULL)
* @return 0 on success, GIT_EUNBORNBRANCH if HEAD points to a non