mergetools/p4merge: create a base if none available

[thirdparty/git.git] / Documentation / git-sh-setup.txt

diff --git a/Documentation/git-sh-setup.txt b/Documentation/git-sh-setup.txt
index 6a9f66d1d920f0bfce1db823e2de3f696ce99f23..5d709d02c39e10ac946c3870a10d959a4c12a5d4 100644 (file)
--- a/Documentation/git-sh-setup.txt
+++ b/Documentation/git-sh-setup.txt
@@ -82,6 +82,12 @@ get_author_ident_from_commit::
        outputs code for use with eval to set the GIT_AUTHOR_NAME,
        GIT_AUTHOR_EMAIL and GIT_AUTHOR_DATE variables for a given commit.
 
+create_virtual_base::
+       modifies the first file so only lines in common with the
+       second file remain. If there is insufficient common material,
+       then the first file is left empty. The result is suitable
+       as a virtual base input for a 3-way merge.
+
 GIT
 ---
 Part of the linkgit:git[1] suite