1#!/bin/sh
   2test_description='diff order'
   4. ./test-lib.sh
   6create_files () {
   8        echo "$1" >a.h &&
   9        echo "$1" >b.c &&
  10        echo "$1" >c/Makefile &&
  11        echo "$1" >d.txt &&
  12        git add a.h b.c c/Makefile d.txt &&
  13        git commit -m"$1"
  14}
  15test_expect_success 'setup' '
  17        mkdir c &&
  18        create_files 1 &&
  19        create_files 2 &&
  20        cat >order_file_1 <<-\EOF &&
  22        *Makefile
  23        *.txt
  24        *.h
  25        EOF
  26        cat >order_file_2 <<-\EOF &&
  28        *Makefile
  29        *.h
  30        *.c
  31        EOF
  32        cat >expect_none <<-\EOF &&
  34        a.h
  35        b.c
  36        c/Makefile
  37        d.txt
  38        EOF
  39        cat >expect_1 <<-\EOF &&
  41        c/Makefile
  42        d.txt
  43        a.h
  44        b.c
  45        EOF
  46        cat >expect_2 <<-\EOF
  48        c/Makefile
  49        a.h
  50        b.c
  51        d.txt
  52        EOF
  53'
  54test_expect_success "no order (=tree object order)" '
  56        git diff --name-only HEAD^..HEAD >actual &&
  57        test_cmp expect_none actual
  58'
  59test_expect_success 'missing orderfile' '
  61        rm -f bogus_file &&
  62        test_must_fail git diff -Obogus_file --name-only HEAD^..HEAD
  63'
  64test_expect_success POSIXPERM,SANITY 'unreadable orderfile' '
  66        >unreadable_file &&
  67        chmod -r unreadable_file &&
  68        test_must_fail git diff -Ounreadable_file --name-only HEAD^..HEAD
  69'
  70for i in 1 2
  72do
  73        test_expect_success "orderfile using option ($i)" '
  74                git diff -Oorder_file_$i --name-only HEAD^..HEAD >actual &&
  75                test_cmp expect_$i actual
  76        '
  77        test_expect_success PIPE "orderfile is fifo ($i)" '
  79                rm -f order_fifo &&
  80                mkfifo order_fifo &&
  81                {
  82                        cat order_file_$i >order_fifo &
  83                } &&
  84                git diff -O order_fifo --name-only HEAD^..HEAD >actual &&
  85                wait &&
  86                test_cmp expect_$i actual
  87        '
  88        test_expect_success "orderfile using config ($i)" '
  90                git -c diff.orderfile=order_file_$i diff --name-only HEAD^..HEAD >actual &&
  91                test_cmp expect_$i actual
  92        '
  93        test_expect_success "cancelling configured orderfile ($i)" '
  95                git -c diff.orderfile=order_file_$i diff -O/dev/null --name-only HEAD^..HEAD >actual &&
  96                test_cmp expect_none actual
  97        '
  98done
  99test_expect_success 'setup for testing combine-diff order' '
 101        git checkout -b tmp HEAD~ &&
 102        create_files 3 &&
 103        git checkout master &&
 104        git merge --no-commit -s ours tmp &&
 105        create_files 5
 106'
 107test_expect_success "combine-diff: no order (=tree object order)" '
 109        git diff --name-only HEAD HEAD^ HEAD^2 >actual &&
 110        test_cmp expect_none actual
 111'
 112for i in 1 2
 114do
 115        test_expect_success "combine-diff: orderfile using option ($i)" '
 116                git diff -Oorder_file_$i --name-only HEAD HEAD^ HEAD^2 >actual &&
 117                test_cmp expect_$i actual
 118        '
 119done
 120test_done