t/t7008-grep-binary.sh

   1 #!/bin/sh
   2
   3 test_description='git grep in binary files'
   4
   5 . ./test-lib.sh
   6
   7 nul_match () {
   8         matches=$1
   9         flags=$2
  10         pattern=$3
  11         pattern_human=$(echo "$pattern" | sed 's/Q/<NUL>/g')
  12
  13         if test "$matches" = 1
  14         then
  15                 test_expect_success "git grep -f f $flags '$pattern_human' a" "
  16                         printf '$pattern' | q_to_nul >f &&
  17                         git grep -f f $flags a
  18                 "
  19         elif test "$matches" = 0
  20         then
  21                 test_expect_success "git grep -f f $flags '$pattern_human' a" "
  22                         printf '$pattern' | q_to_nul >f &&
  23                         test_must_fail git grep -f f $flags a
  24                 "
  25         else
  26                 test_expect_success "PANIC: Test framework error. Unknown matches value $matches" 'false'
  27         fi
  28 }
  29
  30 test_expect_success 'setup' "
  31         echo 'binaryQfile' | q_to_nul >a &&
  32         git add a &&
  33         git commit -m.
  34 "
  35
  36 test_expect_success 'git grep ina a' '
  37         echo Binary file a matches >expect &&
  38         git grep ina a >actual &&
  39         test_cmp expect actual
  40 '
  41
  42 test_expect_success 'git grep -ah ina a' '
  43         git grep -ah ina a >actual &&
  44         test_cmp a actual
  45 '
  46
  47 test_expect_success 'git grep -I ina a' '
  48         : >expect &&
  49         test_must_fail git grep -I ina a >actual &&
  50         test_cmp expect actual
  51 '
  52
  53 test_expect_success 'git grep -c ina a' '
  54         echo a:1 >expect &&
  55         git grep -c ina a >actual &&
  56         test_cmp expect actual
  57 '
  58
  59 test_expect_success 'git grep -l ina a' '
  60         echo a >expect &&
  61         git grep -l ina a >actual &&
  62         test_cmp expect actual
  63 '
  64
  65 test_expect_success 'git grep -L bar a' '
  66         echo a >expect &&
  67         git grep -L bar a >actual &&
  68         test_cmp expect actual
  69 '
  70
  71 test_expect_success 'git grep -q ina a' '
  72         : >expect &&
  73         git grep -q ina a >actual &&
  74         test_cmp expect actual
  75 '
  76
  77 test_expect_success 'git grep -F ile a' '
  78         git grep -F ile a
  79 '
  80
  81 test_expect_success 'git grep -Fi iLE a' '
  82         git grep -Fi iLE a
  83 '
  84
  85 # This test actually passes on platforms where regexec() supports the
  86 # flag REG_STARTEND.
  87 test_expect_success 'git grep ile a' '
  88         git grep ile a
  89 '
  90
  91 test_expect_failure 'git grep .fi a' '
  92         git grep .fi a
  93 '
  94
  95 nul_match 1 '-F' 'yQf'
  96 nul_match 0 '-F' 'yQx'
  97 nul_match 1 '-Fi' 'YQf'
  98 nul_match 0 '-Fi' 'YQx'
  99 nul_match 1 '' 'yQf'
 100 nul_match 0 '' 'yQx'
 101
 102 test_expect_success 'grep respects binary diff attribute' '
 103         echo text >t &&
 104         git add t &&
 105         echo t:text >expect &&
 106         git grep text t >actual &&
 107         test_cmp expect actual &&
 108         echo "t -diff" >.gitattributes &&
 109         echo "Binary file t matches" >expect &&
 110         git grep text t >actual &&
 111         test_cmp expect actual
 112 '
 113
 114 test_expect_success 'grep --cached respects binary diff attribute' '
 115         git grep --cached text t >actual &&
 116         test_cmp expect actual
 117 '
 118
 119 test_expect_success 'grep --cached respects binary diff attribute (2)' '
 120         git add .gitattributes &&
 121         rm .gitattributes &&
 122         git grep --cached text t >actual &&
 123         test_when_finished "git rm --cached .gitattributes" &&
 124         test_when_finished "git checkout .gitattributes" &&
 125         test_cmp expect actual
 126 '
 127
 128 test_expect_success 'grep revision respects binary diff attribute' '
 129         git commit -m new &&
 130         echo "Binary file HEAD:t matches" >expect &&
 131         git grep text HEAD -- t >actual &&
 132         test_when_finished "git reset HEAD^" &&
 133         test_cmp expect actual
 134 '
 135
 136 test_expect_success 'grep respects not-binary diff attribute' '
 137         echo binQary | q_to_nul >b &&
 138         git add b &&
 139         echo "Binary file b matches" >expect &&
 140         git grep bin b >actual &&
 141         test_cmp expect actual &&
 142         echo "b diff" >.gitattributes &&
 143         echo "b:binQary" >expect &&
 144         git grep bin b >actual.raw &&
 145         nul_to_q <actual.raw >actual &&
 146         test_cmp expect actual
 147 '
 148
 149 cat >nul_to_q_textconv <<'EOF'
 150 #!/bin/sh
 151 "$PERL_PATH" -pe 'y/\000/Q/' < "$1"
 152 EOF
 153 chmod +x nul_to_q_textconv
 154
 155 test_expect_success 'setup textconv filters' '
 156         echo a diff=foo >.gitattributes &&
 157         git config diff.foo.textconv "\"$(pwd)\""/nul_to_q_textconv
 158 '
 159
 160 test_expect_success 'grep does not honor textconv' '
 161         test_must_fail git grep Qfile
 162 '
 163
 164 test_expect_success 'grep --textconv honors textconv' '
 165         echo "a:binaryQfile" >expect &&
 166         git grep --textconv Qfile >actual &&
 167         test_cmp expect actual
 168 '
 169
 170 test_expect_success 'grep --no-textconv does not honor textconv' '
 171         test_must_fail git grep --no-textconv Qfile
 172 '
 173
 174 test_expect_success 'grep --textconv blob honors textconv' '
 175         echo "HEAD:a:binaryQfile" >expect &&
 176         git grep --textconv Qfile HEAD:a >actual &&
 177         test_cmp expect actual
 178 '
 179
 180 test_done