The Git CodingGuidelines prefer the $( ... ) construct for command
substitution instead of using the back-quotes, or grave accents (`..`).

The backquoted form is the historical method for command substitution,
and is supported by POSIX. However,all but the simplest uses become
complicated quickly. In particular,embedded command substitutions
and/or the use of double quotes require careful escaping with the backslash
character. Because of this the POSIX shell adopted the $(…) feature from
the Korn shell.

Signed-off-by: Elia Pinto <>
 t/ |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/t/ b/t/
index 28ca763..294a4a6 100755
--- a/t/
+++ b/t/
@@ -14,8 +14,8 @@ submodule and "git submodule update --rebase/--merge" does 
not detach the HEAD.
-    sha_master=`git rev-list --max-count=1 master`
-    sha_head=`git rev-list --max-count=1 HEAD`
+    sha_master=$(git rev-list --max-count=1 master)
+    sha_head=$(git rev-list --max-count=1 HEAD)
     test "$sha_master" = "$sha_head"

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