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-rw-r--r--Documentation/git.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/git.txt b/Documentation/git.txt
index cc0e5e2bfe..aec372646f 100644
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -807,6 +807,15 @@ temporary file --- it is removed when 'GIT_EXTERNAL_DIFF' exits.
+
For a path that is unmerged, 'GIT_EXTERNAL_DIFF' is called with 1
parameter, <path>.
++
+For each path 'GIT_EXTERNAL_DIFF' is called, two environment variables,
+'GIT_DIFF_PATH_COUNTER' and 'GIT_DIFF_PATH_TOTAL' are set.
+
+'GIT_DIFF_PATH_COUNTER'::
+ A 1-based counter incremented by one for every path.
+
+'GIT_DIFF_PATH_TOTAL'::
+ The total number of paths.
other
~~~~~