t4013-diff-various.sh: use the $( ... ) construct for command substitution

diff --git a/t/t0001-init.sh b/t/t0001-init.sh
index 9fb582b192e7d44856d3687234de922217e511f4..32821fe450d6116037d092d58db4933bbe6fd0c0 100755 (executable)
--- a/t/t0001-init.sh
+++ b/t/t0001-init.sh
@@ -250,7 +250,7 @@ test_expect_success 'init --bare/--shared overrides system/global config' '
        ) &&
        check_config init-bare-shared-override true unset &&
        test x0666 = \
-       x`git config -f init-bare-shared-override/config core.sharedRepository`
+       x$(git config -f init-bare-shared-override/config core.sharedRepository)
 '
 
 test_expect_success 'init honors global core.sharedRepository' '
@@ -262,7 +262,7 @@ test_expect_success 'init honors global core.sharedRepository' '
                git init
        ) &&
        test x0666 = \
-       x`git config -f shared-honor-global/.git/config core.sharedRepository`
+       x$(git config -f shared-honor-global/.git/config core.sharedRepository)
 '
 
 test_expect_success 'init rejects insanely long --template' '
@@ -374,7 +374,7 @@ test_expect_success 'init prefers command line to GIT_DIR' '
 test_expect_success 'init with separate gitdir' '
        rm -rf newdir &&
        git init --separate-git-dir realgitdir newdir &&
-       echo "gitdir: `pwd`/realgitdir" >expected &&
+       echo "gitdir: $(pwd)/realgitdir" >expected &&
        test_cmp expected newdir/.git &&
        test -d realgitdir/refs
 '
@@ -388,7 +388,7 @@ test_expect_success 're-init to update git link' '
        cd newdir &&
        git init --separate-git-dir ../surrealgitdir
        ) &&
-       echo "gitdir: `pwd`/surrealgitdir" >expected &&
+       echo "gitdir: $(pwd)/surrealgitdir" >expected &&
        test_cmp expected newdir/.git &&
        test -d surrealgitdir/refs &&
        ! test -d realgitdir/refs
@@ -401,7 +401,7 @@ test_expect_success 're-init to move gitdir' '
        cd newdir &&
        git init --separate-git-dir ../realgitdir
        ) &&
-       echo "gitdir: `pwd`/realgitdir" >expected &&
+       echo "gitdir: $(pwd)/realgitdir" >expected &&
        test_cmp expected newdir/.git &&
        test -d realgitdir/refs
 '
@@ -415,7 +415,7 @@ test_expect_success SYMLINKS 're-init to move gitdir symlink' '
        ln -s here .git &&
        git init --separate-git-dir ../realgitdir
        ) &&
-       echo "gitdir: `pwd`/realgitdir" >expected &&
+       echo "gitdir: $(pwd)/realgitdir" >expected &&
        test_cmp expected newdir/.git &&
        test -d realgitdir/refs &&
        ! test -d newdir/here