[PATCH 096/144] t7700-repack.sh: use the $( ... ) construct for command substitution

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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 <gitter.spiros@xxxxxxxxx>
---
 t/t7700-repack.sh |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/t/t7700-repack.sh b/t/t7700-repack.sh
index 284018e..ced4417 100755
--- a/t/t7700-repack.sh
+++ b/t/t7700-repack.sh
@@ -53,7 +53,7 @@ test_expect_success 'writing bitmaps can duplicate .keep objects' '
 
 test_expect_success 'loose objects in alternate ODB are not repacked' '
 	mkdir alt_objects &&
-	echo `pwd`/alt_objects > .git/objects/info/alternates &&
+	echo $(pwd)/alt_objects > .git/objects/info/alternates &&
 	echo content3 > file3 &&
 	objsha1=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) &&
 	git add file3 &&
@@ -152,7 +152,7 @@ test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
 '
 
 test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' '
-	echo `pwd`/alt_objects > .git/objects/info/alternates &&
+	echo $(pwd)/alt_objects > .git/objects/info/alternates &&
 	echo "$csha1" | git pack-objects --non-empty --all --reflog pack &&
 	rm -f .git/objects/pack/* &&
 	mv pack-* .git/objects/pack/ &&
-- 
1.7.10.4

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