Sixth batch
[git/git.git] / t / t4030-diff-textconv.sh
1 #!/bin/sh
2
3 test_description='diff.*.textconv tests'
4 . ./test-lib.sh
5
6 find_diff() {
7 sed '1,/^index /d' | sed '/^-- $/,$d'
8 }
9
10 cat >expect.binary <<'EOF'
11 Binary files a/file and b/file differ
12 EOF
13
14 cat >expect.text <<'EOF'
15 --- a/file
16 +++ b/file
17 @@ -1 +1,2 @@
18 0
19 +1
20 EOF
21
22 cat >hexdump <<'EOF'
23 #!/bin/sh
24 "$PERL_PATH" -e '$/ = undef; $_ = <>; s/./ord($&)/ge; print $_' < "$1"
25 EOF
26 chmod +x hexdump
27
28 test_expect_success 'setup binary file with history' '
29 printf "\\0\\n" >file &&
30 git add file &&
31 git commit -m one &&
32 printf "\\01\\n" >>file &&
33 git add file &&
34 git commit -m two
35 '
36
37 test_expect_success 'file is considered binary by porcelain' '
38 git diff HEAD^ HEAD >diff &&
39 find_diff <diff >actual &&
40 test_cmp expect.binary actual
41 '
42
43 test_expect_success 'file is considered binary by plumbing' '
44 git diff-tree -p HEAD^ HEAD >diff &&
45 find_diff <diff >actual &&
46 test_cmp expect.binary actual
47 '
48
49 test_expect_success 'setup textconv filters' '
50 echo file diff=foo >.gitattributes &&
51 git config diff.foo.textconv "\"$(pwd)\""/hexdump &&
52 git config diff.fail.textconv false
53 '
54
55 test_expect_success 'diff produces text' '
56 git diff HEAD^ HEAD >diff &&
57 find_diff <diff >actual &&
58 test_cmp expect.text actual
59 '
60
61 test_expect_success 'show commit produces text' '
62 git show HEAD >diff &&
63 find_diff <diff >actual &&
64 test_cmp expect.text actual
65 '
66
67 test_expect_success 'diff-tree produces binary' '
68 git diff-tree -p HEAD^ HEAD >diff &&
69 find_diff <diff >actual &&
70 test_cmp expect.binary actual
71 '
72
73 test_expect_success 'log produces text' '
74 git log -1 -p >log &&
75 find_diff <log >actual &&
76 test_cmp expect.text actual
77 '
78
79 test_expect_success 'format-patch produces binary' '
80 git format-patch --no-binary --stdout HEAD^ >patch &&
81 find_diff <patch >actual &&
82 test_cmp expect.binary actual
83 '
84
85 test_expect_success 'status -v produces text' '
86 git reset --soft HEAD^ &&
87 git status -v >diff &&
88 find_diff <diff >actual &&
89 test_cmp expect.text actual &&
90 git reset --soft HEAD@{1}
91 '
92
93 test_expect_success 'show blob produces binary' '
94 git show HEAD:file >actual &&
95 printf "\\0\\n\\01\\n" >expect &&
96 test_cmp expect actual
97 '
98
99 test_expect_success 'show --textconv blob produces text' '
100 git show --textconv HEAD:file >actual &&
101 printf "0\\n1\\n" >expect &&
102 test_cmp expect actual
103 '
104
105 test_expect_success 'show --no-textconv blob produces binary' '
106 git show --no-textconv HEAD:file >actual &&
107 printf "\\0\\n\\01\\n" >expect &&
108 test_cmp expect actual
109 '
110
111 test_expect_success 'grep-diff (-G) operates on textconv data (add)' '
112 echo one >expect &&
113 git log --root --format=%s -G0 >actual &&
114 test_cmp expect actual
115 '
116
117 test_expect_success 'grep-diff (-G) operates on textconv data (modification)' '
118 echo two >expect &&
119 git log --root --format=%s -G1 >actual &&
120 test_cmp expect actual
121 '
122
123 test_expect_success 'pickaxe (-S) operates on textconv data (add)' '
124 echo one >expect &&
125 git log --root --format=%s -S0 >actual &&
126 test_cmp expect actual
127 '
128
129 test_expect_success 'pickaxe (-S) operates on textconv data (modification)' '
130 echo two >expect &&
131 git log --root --format=%s -S1 >actual &&
132 test_cmp expect actual
133 '
134
135 cat >expect.stat <<'EOF'
136 file | Bin 2 -> 4 bytes
137 1 file changed, 0 insertions(+), 0 deletions(-)
138 EOF
139 test_expect_success 'diffstat does not run textconv' '
140 echo file diff=fail >.gitattributes &&
141 git diff --stat HEAD^ HEAD >actual &&
142 test_i18ncmp expect.stat actual &&
143
144 head -n1 <expect.stat >expect.line1 &&
145 head -n1 <actual >actual.line1 &&
146 test_cmp expect.line1 actual.line1
147 '
148 # restore working setup
149 echo file diff=foo >.gitattributes
150
151 symlink=$(git rev-parse --short $(printf frotz | git hash-object --stdin))
152 cat >expect.typechange <<EOF
153 --- a/file
154 +++ /dev/null
155 @@ -1,2 +0,0 @@
156 -0
157 -1
158 diff --git a/file b/file
159 new file mode 120000
160 index 0000000..$symlink
161 --- /dev/null
162 +++ b/file
163 @@ -0,0 +1 @@
164 +frotz
165 \ No newline at end of file
166 EOF
167
168 test_expect_success 'textconv does not act on symlinks' '
169 rm -f file &&
170 test_ln_s_add frotz file &&
171 git commit -m typechange &&
172 git show >diff &&
173 find_diff <diff >actual &&
174 test_cmp expect.typechange actual
175 '
176
177 test_done