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-rw-r--r--src/tools/git-external-diff4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/tools/git-external-diff b/src/tools/git-external-diff
index fdc7080f3a2..59fa36624c7 100644
--- a/src/tools/git-external-diff
+++ b/src/tools/git-external-diff
@@ -1,6 +1,8 @@
#!/bin/bash
-# Parameters:
+# This script is used to produce git context diffs
+
+# Supplied parameters:
# $1 $2 $3 $4 $5 $6 $7
# path old-file old-hash old-mode new-file new-hash new-mode
# 'path' is the git-tree-relative path of the file being diff'ed