Feat(submodules/diff-name-only): Use `rev-parse`

Use `git rev-parse commit:submodule_path` instead of
`git ls-tree commit submodule_path | awk "{print $3}"`.

diff --git a/submodules/diff-name-only b/submodules/diff-name-only
index 445df523d2c1ce2d4ed5ca5276d05110cd38b982..90f481d4cf310d84457fee7107ec2ffd824e7744 100755 (executable)
--- a/submodules/diff-name-only
+++ b/submodules/diff-name-only
@@ -26,7 +26,7 @@ git --no-pager diff --name-only "$from_commit" "$to_commit"
 
 git submodule foreach '
     # In submodule "$name"
-    prev_commit=`(git -C "$toplevel" ls-tree "$from_commit" "$sm_path" | awk "{print \\$3}")`
-    curr_commit=`(git -C "$toplevel" ls-tree "$to_commit" "$sm_path" | awk "{print \\$3}")`
+    prev_commit=`(git -C "$toplevel" rev-parse "$from_commit":"$sm_path")`
+    curr_commit=`(git -C "$toplevel" rev-parse "$to_commit":"$sm_path")`
     "$prog_dir/$prog_name" $prev_commit $curr_commit
 '