t/t4038-diff-combined.sh

   1 #!/bin/sh
   2
   3 test_description='combined diff'
   4
   5 . ./test-lib.sh
   6 . "$TEST_DIRECTORY"/diff-lib.sh
   7
   8 setup_helper () {
   9         one=$1 branch=$2 side=$3 &&
  10
  11         git branch $side $branch &&
  12         for l in $one two three fyra
  13         do
  14                 echo $l
  15         done >file &&
  16         git add file &&
  17         test_tick &&
  18         git commit -m $branch &&
  19         git checkout $side &&
  20         for l in $one two three quatro
  21         do
  22                 echo $l
  23         done >file &&
  24         git add file &&
  25         test_tick &&
  26         git commit -m $side &&
  27         test_must_fail git merge $branch &&
  28         for l in $one three four
  29         do
  30                 echo $l
  31         done >file &&
  32         git add file &&
  33         test_tick &&
  34         git commit -m "merge $branch into $side"
  35 }
  36
  37 verify_helper () {
  38         it=$1 &&
  39
  40         # Ignore lines that were removed only from the other parent
  41         sed -e '
  42                 1,/^@@@/d
  43                 /^ -/d
  44                 s/^\(.\)./\1/
  45         ' "$it" >"$it.actual.1" &&
  46         sed -e '
  47                 1,/^@@@/d
  48                 /^- /d
  49                 s/^.\(.\)/\1/
  50         ' "$it" >"$it.actual.2" &&
  51
  52         git diff "$it^" "$it" -- | sed -e '1,/^@@/d' >"$it.expect.1" &&
  53         test_cmp "$it.expect.1" "$it.actual.1" &&
  54
  55         git diff "$it^2" "$it" -- | sed -e '1,/^@@/d' >"$it.expect.2" &&
  56         test_cmp "$it.expect.2" "$it.actual.2"
  57 }
  58
  59 test_expect_success setup '
  60         >file &&
  61         git add file &&
  62         test_tick &&
  63         git commit -m initial &&
  64
  65         git branch withone &&
  66         git branch sansone &&
  67
  68         git checkout withone &&
  69         setup_helper one withone sidewithone &&
  70
  71         git checkout sansone &&
  72         setup_helper "" sansone sidesansone
  73 '
  74
  75 test_expect_success 'check combined output (1)' '
  76         git show sidewithone -- >sidewithone &&
  77         verify_helper sidewithone
  78 '
  79
  80 test_expect_success 'check combined output (2)' '
  81         git show sidesansone -- >sidesansone &&
  82         verify_helper sidesansone
  83 '
  84
  85 test_expect_success 'diagnose truncated file' '
  86         >file &&
  87         git add file &&
  88         git commit --amend -C HEAD &&
  89         git show >out &&
  90         grep "diff --cc file" out
  91 '
  92
  93 test_expect_success 'setup for --cc --raw' '
  94         blob=$(echo file | git hash-object --stdin -w) &&
  95         base_tree=$(echo "100644 blob $blob     file" | git mktree) &&
  96         trees= &&
  97         for i in `test_seq 1 40`
  98         do
  99                 blob=$(echo file$i | git hash-object --stdin -w) &&
 100                 trees="$trees$(echo "100644 blob $blob  file" | git mktree)$LF"
 101         done
 102 '
 103
 104 test_expect_success 'check --cc --raw with four trees' '
 105         four_trees=$(echo "$trees" | sed -e 4q) &&
 106         git diff --cc --raw $four_trees $base_tree >out &&
 107         # Check for four leading colons in the output:
 108         grep "^::::[^:]" out
 109 '
 110
 111 test_expect_success 'check --cc --raw with forty trees' '
 112         git diff --cc --raw $trees $base_tree >out &&
 113         # Check for forty leading colons in the output:
 114         grep "^::::::::::::::::::::::::::::::::::::::::[^:]" out
 115 '
 116
 117 test_expect_success 'setup combined ignore spaces' '
 118         git checkout master &&
 119         >test &&
 120         git add test &&
 121         git commit -m initial &&
 122
 123         tr -d Q <<-\EOF >test &&
 124         always coalesce
 125         eol space coalesce Q
 126         space  change coalesce
 127         all spa ces coalesce
 128         eol spaces Q
 129         space  change
 130         all spa ces
 131         EOF
 132         git commit -m "test space change" -a &&
 133
 134         git checkout -b side HEAD^ &&
 135         tr -d Q <<-\EOF >test &&
 136         always coalesce
 137         eol space coalesce
 138         space change coalesce
 139         all spaces coalesce
 140         eol spaces
 141         space change
 142         all spaces
 143         EOF
 144         git commit -m "test other space changes" -a &&
 145
 146         test_must_fail git merge master &&
 147         tr -d Q <<-\EOF >test &&
 148         eol spaces Q
 149         space  change
 150         all spa ces
 151         EOF
 152         git commit -m merged -a
 153 '
 154
 155 test_expect_success 'check combined output (no ignore space)' '
 156         git show >actual.tmp &&
 157         sed -e "1,/^@@@/d" < actual.tmp >actual &&
 158         tr -d Q <<-\EOF >expected &&
 159         --always coalesce
 160         - eol space coalesce
 161         - space change coalesce
 162         - all spaces coalesce
 163         - eol spaces
 164         - space change
 165         - all spaces
 166          -eol space coalesce Q
 167          -space  change coalesce
 168          -all spa ces coalesce
 169         + eol spaces Q
 170         + space  change
 171         + all spa ces
 172         EOF
 173         compare_diff_patch expected actual
 174 '
 175
 176 test_expect_success 'check combined output (ignore space at eol)' '
 177         git show --ignore-space-at-eol >actual.tmp &&
 178         sed -e "1,/^@@@/d" < actual.tmp >actual &&
 179         tr -d Q <<-\EOF >expected &&
 180         --always coalesce
 181         --eol space coalesce
 182         - space change coalesce
 183         - all spaces coalesce
 184          -space  change coalesce
 185          -all spa ces coalesce
 186           eol spaces Q
 187         - space change
 188         - all spaces
 189         + space  change
 190         + all spa ces
 191         EOF
 192         compare_diff_patch expected actual
 193 '
 194
 195 test_expect_success 'check combined output (ignore space change)' '
 196         git show -b >actual.tmp &&
 197         sed -e "1,/^@@@/d" < actual.tmp >actual &&
 198         tr -d Q <<-\EOF >expected &&
 199         --always coalesce
 200         --eol space coalesce
 201         --space change coalesce
 202         - all spaces coalesce
 203          -all spa ces coalesce
 204           eol spaces Q
 205           space  change
 206         - all spaces
 207         + all spa ces
 208         EOF
 209         compare_diff_patch expected actual
 210 '
 211
 212 test_expect_success 'check combined output (ignore all spaces)' '
 213         git show -w >actual.tmp &&
 214         sed -e "1,/^@@@/d" < actual.tmp >actual &&
 215         tr -d Q <<-\EOF >expected &&
 216         --always coalesce
 217         --eol space coalesce
 218         --space change coalesce
 219         --all spaces coalesce
 220           eol spaces Q
 221           space  change
 222           all spa ces
 223         EOF
 224         compare_diff_patch expected actual
 225 '
 226
 227 test_done