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-rw-r--r--Documentation/git-receive-pack.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/git-receive-pack.txt b/Documentation/git-receive-pack.txt
index 7267ecfbe8..86a4b32f0f 100644
--- a/Documentation/git-receive-pack.txt
+++ b/Documentation/git-receive-pack.txt
@@ -239,7 +239,8 @@ This has a few user-visible effects and caveats:
3. The `pre-receive` hook MUST NOT update any refs to point to
quarantined objects. Other programs accessing the repository will
not be able to see the objects (and if the pre-receive hook fails,
- those refs would become corrupted).
+ those refs would become corrupted). For safety, any ref updates
+ from within `pre-receive` are automatically rejected.
SEE ALSO