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-rwxr-xr-xt/t4056-diff-order.sh104
1 files changed, 104 insertions, 0 deletions
diff --git a/t/t4056-diff-order.sh b/t/t4056-diff-order.sh
new file mode 100755
index 0000000..1ddd226
--- /dev/null
+++ b/t/t4056-diff-order.sh
@@ -0,0 +1,104 @@
+#!/bin/sh
+
+test_description='diff order'
+
+. ./test-lib.sh
+
+create_files () {
+ echo "$1" >a.h &&
+ echo "$1" >b.c &&
+ echo "$1" >c/Makefile &&
+ echo "$1" >d.txt &&
+ git add a.h b.c c/Makefile d.txt &&
+ git commit -m"$1"
+}
+
+test_expect_success 'setup' '
+ mkdir c &&
+ create_files 1 &&
+ create_files 2 &&
+
+ cat >order_file_1 <<-\EOF &&
+ *Makefile
+ *.txt
+ *.h
+ EOF
+
+ cat >order_file_2 <<-\EOF &&
+ *Makefile
+ *.h
+ *.c
+ EOF
+
+ cat >expect_none <<-\EOF &&
+ a.h
+ b.c
+ c/Makefile
+ d.txt
+ EOF
+
+ cat >expect_1 <<-\EOF &&
+ c/Makefile
+ d.txt
+ a.h
+ b.c
+ EOF
+
+ cat >expect_2 <<-\EOF
+ c/Makefile
+ a.h
+ b.c
+ d.txt
+ EOF
+'
+
+test_expect_success "no order (=tree object order)" '
+ git diff --name-only HEAD^..HEAD >actual &&
+ test_cmp expect_none actual
+'
+
+test_expect_success 'missing orderfile' '
+ rm -f bogus_file &&
+ test_must_fail git diff -Obogus_file --name-only HEAD^..HEAD
+'
+
+test_expect_success POSIXPERM,SANITY 'unreadable orderfile' '
+ >unreadable_file &&
+ chmod -r unreadable_file &&
+ test_must_fail git diff -Ounreadable_file --name-only HEAD^..HEAD
+'
+
+test_expect_success 'orderfile is a directory' '
+ test_must_fail git diff -O/ --name-only HEAD^..HEAD
+'
+
+for i in 1 2
+do
+ test_expect_success "orderfile using option ($i)" '
+ git diff -Oorder_file_$i --name-only HEAD^..HEAD >actual &&
+ test_cmp expect_$i actual
+ '
+
+ test_expect_success PIPE "orderfile is fifo ($i)" '
+ rm -f order_fifo &&
+ mkfifo order_fifo &&
+ {
+ cat order_file_$i >order_fifo &
+ } &&
+ git diff -O order_fifo --name-only HEAD^..HEAD >actual &&
+ wait &&
+ test_cmp expect_$i actual
+ '
+
+ test_expect_success "orderfile using config ($i)" '
+ git -c diff.orderfile=order_file_$i diff --name-only HEAD^..HEAD >actual &&
+ test_cmp expect_$i actual
+ '
+
+ test_expect_success "cancelling configured orderfile ($i)" '
+ git -c diff.orderfile=order_file_$i diff -O/dev/null --name-only HEAD^..HEAD >actual &&
+ test_cmp expect_none actual
+ '
+done
+
+test_done