GNU Emacs Manual. Node: Registering

prev UPSecondary VC Commands NEXTVC Status Registering a File for Version Control

You can put any file under version control by simply visiting it, and then typing C-x v i (vc-register).

C-x v i

Register the visited file for version control.

To register the file, Emacs must choose which version control system to use for it. You can specify your choice explicitly by setting vc-default-back-end to RCS, CVS or SCCS. Otherwise, if there is a subdirectory named `RCS', `SCCS', or `CVS', Emacs uses the corresponding version control system. In the absence of any specification, the default choice is RCS if RCS is installed, otherwise SCCS.

If locking is in use, C-x v i leaves the file unlocked and read-only. Type C-x C-q if you wish to start editing it. After registering a file with CVS, you must subsequently commit the initial version by typing C-x C-q.

The initial version number for a newly registered file is 1.1, by default. You can specify a different default by setting the variable vc-default-init-version, or you can give C-x v i a numeric argument; then it reads the initial version number for this particular file using the minibuffer.

If vc-initial-comment is non-nil, C-x v i reads an initial comment to describe the purpose of this source file. Reading the initial comment works like reading a log entry (see Log Buffer).

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