This is primarily so that there is an easy switch to 'git-pull' to
be sure to fast forward only.
---
Documentation/merge-strategies.txt | 5 +++++
Makefile | 2 +-
git-merge-ff.sh | 8 ++++++++
3 files changed, 14 insertions(+), 1 deletions(-)
create mode 100644 git-merge-ff.sh
diff --git a/Documentation/merge-strategies.txt b/Documentation/merge-strategies.txt
index 7df0266..00739bc 100644
--- a/Documentation/merge-strategies.txt
+++ b/Documentation/merge-strategies.txt
@@ -33,3 +33,8 @@ ours::
merge is always the current branch head. It is meant to
be used to supersede old development history of side
branches.
+
+ff::
+ This is a degenerate merge strategy that always fails, which
+ means that the only time the target branch will change is if
+ there was no merge ("fast-forward" merge only).
diff --git a/Makefile b/Makefile
index 29243c6..6311eb5 100644
--- a/Makefile
+++ b/Makefile
@@ -208,7 +208,7 @@ SCRIPT_SH = \
git-tag.sh git-verify-tag.sh \
git-applymbox.sh git-applypatch.sh git-am.sh \
git-merge.sh git-merge-stupid.sh git-merge-octopus.sh \
- git-merge-resolve.sh git-merge-ours.sh \
+ git-merge-resolve.sh git-merge-ours.sh git-merge-ff.sh \
git-lost-found.sh git-quiltimport.sh
SCRIPT_PERL = \
diff --git a/git-merge-ff.sh b/git-merge-ff.sh
new file mode 100644
index 0000000..b0e0f85
--- /dev/null
+++ b/git-merge-ff.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+#
+# Copyright (c) 2007 Sam Vilain
+#
+# A degenerate merge strategy that only allows fast-forwarding.
+#
+
+exit 1;
--
1.5.2.1.1131.g3b90
-
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