Update draft release notes to 1.9
[gitweb.git] / Documentation / git.txt
index cc0e5e2bfe66a0962283fd570c5e440e72b57813..aec372646ffc30f13b924159d47ade373fc44b87 100644 (file)
@@ -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
 ~~~~~