t3910-mac-os-precompose.sh: use the $( ... ) construct for command substitution

diff --git a/t/t3910-mac-os-precompose.sh b/t/t3910-mac-os-precompose.sh
index e4ba6013e41927bc0ec3ff3876648a71a71ce6e1..96941e94cc3b50d0f65a441316e577dee2adc7e2 100755 (executable)
--- a/t/t3910-mac-os-precompose.sh
+++ b/t/t3910-mac-os-precompose.sh
@@ -14,13 +14,13 @@ then
 fi
 
 # create utf-8 variables
-Adiarnfc=`printf '\303\204'`
-Adiarnfd=`printf 'A\314\210'`
+Adiarnfc=$(printf '\303\204')
+Adiarnfd=$(printf 'A\314\210')
 
-Odiarnfc=`printf '\303\226'`
-Odiarnfd=`printf 'O\314\210'`
-AEligatu=`printf '\303\206'`
-Invalidu=`printf '\303\377'`
+Odiarnfc=$(printf '\303\226')
+Odiarnfd=$(printf 'O\314\210')
+AEligatu=$(printf '\303\206')
+Invalidu=$(printf '\303\377')
 
 
 #Create a string with 255 bytes (decomposed)
@@ -35,7 +35,7 @@ Alongc=$Alongc$Alongc$Alongc$Alongc$Alongc           #250 Byte
 Alongc=$Alongc$AEligatu$AEligatu                     #254 Byte
 
 test_expect_success "detect if nfd needed" '
-       precomposeunicode=`git config core.precomposeunicode` &&
+       precomposeunicode=$(git config core.precomposeunicode) &&
        test "$precomposeunicode" = true &&
        git config core.precomposeunicode true
 '
@@ -146,7 +146,7 @@ test_expect_success "respect git config --global core.precomposeunicode" '
        git config --global core.precomposeunicode true &&
        rm -rf .git &&
        git init &&
-       precomposeunicode=`git config core.precomposeunicode` &&
+       precomposeunicode=$(git config core.precomposeunicode) &&
        test "$precomposeunicode" = "true"
 '