t/t4057-diff-combined-paths.sh

   1 #!/bin/sh
   2
   3 test_description='combined diff show only paths that are different to all parents'
   4
   5 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   7
   8 . ./test-lib.sh
   9
  10 # verify that diffc.expect matches output of
  11 # $(git diff -c --name-only HEAD HEAD^ HEAD^2)
  12 diffc_verify () {
  13         git diff -c --name-only HEAD HEAD^ HEAD^2 >diffc.actual &&
  14         test_cmp diffc.expect diffc.actual
  15 }
  16
  17 test_expect_success 'trivial merge - combine-diff empty' '
  18         for i in $(test_seq 1 9)
  19         do
  20                 echo $i >$i.txt &&
  21                 git add $i.txt
  22         done &&
  23         git commit -m "init" &&
  24         git checkout -b side &&
  25         for i in $(test_seq 2 9)
  26         do
  27                 echo $i/2 >>$i.txt
  28         done &&
  29         git commit -a -m "side 2-9" &&
  30         git checkout main &&
  31         echo 1/2 >1.txt &&
  32         git commit -a -m "main 1" &&
  33         git merge side &&
  34         >diffc.expect &&
  35         diffc_verify
  36 '
  37
  38
  39 test_expect_success 'only one truly conflicting path' '
  40         git checkout side &&
  41         for i in $(test_seq 2 9)
  42         do
  43                 echo $i/3 >>$i.txt
  44         done &&
  45         echo "4side" >>4.txt &&
  46         git commit -a -m "side 2-9 +4" &&
  47         git checkout main &&
  48         for i in $(test_seq 1 9)
  49         do
  50                 echo $i/3 >>$i.txt
  51         done &&
  52         echo "4main" >>4.txt &&
  53         git commit -a -m "main 1-9 +4" &&
  54         test_must_fail git merge side &&
  55         cat <<-\EOF >4.txt &&
  56         4
  57         4/2
  58         4/3
  59         4main
  60         4side
  61         EOF
  62         git add 4.txt &&
  63         git commit -m "merge side (2)" &&
  64         echo 4.txt >diffc.expect &&
  65         diffc_verify
  66 '
  67
  68 test_expect_success 'merge introduces new file' '
  69         git checkout side &&
  70         for i in $(test_seq 5 9)
  71         do
  72                 echo $i/4 >>$i.txt
  73         done &&
  74         git commit -a -m "side 5-9" &&
  75         git checkout main &&
  76         for i in $(test_seq 1 3)
  77         do
  78                 echo $i/4 >>$i.txt
  79         done &&
  80         git commit -a -m "main 1-3 +4hello" &&
  81         git merge side &&
  82         echo "Hello World" >4hello.txt &&
  83         git add 4hello.txt &&
  84         git commit --amend &&
  85         echo 4hello.txt >diffc.expect &&
  86         diffc_verify
  87 '
  88
  89 test_expect_success 'merge removed a file' '
  90         git checkout side &&
  91         for i in $(test_seq 5 9)
  92         do
  93                 echo $i/5 >>$i.txt
  94         done &&
  95         git commit -a -m "side 5-9" &&
  96         git checkout main &&
  97         for i in $(test_seq 1 3)
  98         do
  99                 echo $i/4 >>$i.txt
 100         done &&
 101         git commit -a -m "main 1-3" &&
 102         git merge side &&
 103         git rm 4.txt &&
 104         git commit --amend &&
 105         echo 4.txt >diffc.expect &&
 106         diffc_verify
 107 '
 108
 109 test_done