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+# NAME
+
+git-annex diffdriver - external git diff driver shim
+
+# SYNOPSIS
+
+git annex diffdriver `-- cmd --opts --`
+
+# DESCRIPTION
+
+This is an external git diff driver shim. Normally, when using `git diff`
+with an external git driver, the symlinks to annexed files are not set up
+right, so the external git driver cannot read them in order to perform
+smart diffing of their contents. This command works around the problem,
+by passing the fixed up files to the real external diff driver.
+
+To use, just configure git to use "git-annex diffdriver -- cmd params --"
+as the external diff command, where cmd is the real external diff
+command you want to use, and params are any extra parameters to pass
+to it. Note the trailing "--", which is required.
+
+For example, set `GIT_EXTERNAL_DIFF=git-annex diffdriver -- j-c-diff --`
+
+# SEE ALSO
+
+[[git-annex]](1)
+
+# AUTHOR
+
+Joey Hess <id@joeyh.name>
+
+Warning: Automatically converted into a man page by mdwn2man. Edit with care.