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-rw-r--r--Documentation/git-rev-parse.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index d375f1a..818eb48 100644
--- a/Documentation/git-rev-parse.txt
+++ b/Documentation/git-rev-parse.txt
@@ -234,6 +234,10 @@ when you run 'git merge'.
* The special construct '@\{-<n>\}' means the <n>th branch checked out
before the current one.
+* The suffix '@{upstream}' to a ref (short form 'ref@{u}') refers to
+ the branch the ref is set to build on top of. Missing ref defaults
+ to the current branch.
+
* A suffix '{caret}' to a revision parameter means the first parent of
that commit object. '{caret}<n>' means the <n>th parent (i.e.
'rev{caret}'