(cvs.info.gz) Merging two revisions
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5.8 Merging differences between any two revisions
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With two `-j REVISION' flags, the `update' (and `checkout') command can
merge the differences between any two revisions into your working file.
$ cvs update -j 1.5 -j 1.3 backend.c
will undo all changes made between revision 1.3 and 1.5. Note the
order of the revisions!
If you try to use this option when operating on multiple files,
remember that the numeric revisions will probably be very different
between the various files. You almost always use symbolic tags rather
than revision numbers when operating on multiple files.
Specifying two `-j' options can also undo file removals or
additions. For example, suppose you have a file named `file1' which
existed as revision 1.1, and you then removed it (thus adding a dead
revision 1.2). Now suppose you want to add it again, with the same
contents it had previously. Here is how to do it:
$ cvs update -j 1.2 -j 1.1 file1
U file1
$ cvs commit -m test
Checking in file1;
/tmp/cvs-sanity/cvsroot/first-dir/file1,v <-- file1
new revision: 1.3; previous revision: 1.2
done
$
Info Catalog
(cvs.info.gz) Merging more than once
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(cvs.info.gz) Merging adds and removals
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