Merge branch 'jt/packfile-as-uri-doc'
[git] / t / t5322-pack-objects-sparse.sh
1 #!/bin/sh
2
3 test_description='pack-objects object selection using sparse algorithm'
4 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
5 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
6
7 . ./test-lib.sh
8
9 test_expect_success 'setup repo' '
10         test_commit initial &&
11         for i in $(test_seq 1 3)
12         do
13                 mkdir f$i &&
14                 for j in $(test_seq 1 3)
15                 do
16                         mkdir f$i/f$j &&
17                         echo $j >f$i/f$j/data.txt
18                 done
19         done &&
20         git add . &&
21         git commit -m "Initialized trees" &&
22         for i in $(test_seq 1 3)
23         do
24                 git checkout -b topic$i main &&
25                 echo change-$i >f$i/f$i/data.txt &&
26                 git commit -a -m "Changed f$i/f$i/data.txt"
27         done &&
28         cat >packinput.txt <<-EOF &&
29         topic1
30         ^topic2
31         ^topic3
32         EOF
33         git rev-parse                   \
34                 topic1                  \
35                 topic1^{tree}           \
36                 topic1:f1               \
37                 topic1:f1/f1            \
38                 topic1:f1/f1/data.txt | sort >expect_objects.txt
39 '
40
41 test_expect_success 'non-sparse pack-objects' '
42         git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack &&
43         git index-pack -o nonsparse.idx nonsparse.pack &&
44         git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt &&
45         test_cmp expect_objects.txt nonsparse_objects.txt
46 '
47
48 test_expect_success 'sparse pack-objects' '
49         git pack-objects --stdout --revs --sparse <packinput.txt >sparse.pack &&
50         git index-pack -o sparse.idx sparse.pack &&
51         git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
52         test_cmp expect_objects.txt sparse_objects.txt
53 '
54
55 test_expect_success 'duplicate a folder from f3 and commit to topic1' '
56         git checkout topic1 &&
57         echo change-3 >f3/f3/data.txt &&
58         git commit -a -m "Changed f3/f3/data.txt" &&
59         git rev-parse                   \
60                 topic1~1                \
61                 topic1~1^{tree}         \
62                 topic1^{tree}           \
63                 topic1                  \
64                 topic1:f1               \
65                 topic1:f1/f1            \
66                 topic1:f1/f1/data.txt | sort >required_objects.txt
67 '
68
69 test_expect_success 'non-sparse pack-objects' '
70         git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack &&
71         git index-pack -o nonsparse.idx nonsparse.pack &&
72         git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt &&
73         comm -1 -2 required_objects.txt nonsparse_objects.txt >nonsparse_required_objects.txt &&
74         test_cmp required_objects.txt nonsparse_required_objects.txt
75 '
76
77 test_expect_success 'sparse pack-objects' '
78         git pack-objects --stdout --revs --sparse <packinput.txt >sparse.pack &&
79         git index-pack -o sparse.idx sparse.pack &&
80         git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
81         comm -1 -2 required_objects.txt sparse_objects.txt >sparse_required_objects.txt &&
82         test_cmp required_objects.txt sparse_required_objects.txt
83 '
84
85 # Demonstrate that the algorithms differ when we copy a tree wholesale
86 # from one folder to another.
87
88 test_expect_success 'duplicate a folder from f1 into f3' '
89         mkdir f3/f4 &&
90         cp -r f1/f1/* f3/f4 &&
91         git add f3/f4 &&
92         git commit -m "Copied f1/f1 to f3/f4" &&
93         cat >packinput.txt <<-EOF &&
94         topic1
95         ^topic1~1
96         EOF
97         git rev-parse           \
98                 topic1          \
99                 topic1^{tree}   \
100                 topic1:f3 | sort >required_objects.txt
101 '
102
103 test_expect_success 'non-sparse pack-objects' '
104         git pack-objects --stdout --revs --no-sparse <packinput.txt >nonsparse.pack &&
105         git index-pack -o nonsparse.idx nonsparse.pack &&
106         git show-index <nonsparse.idx | awk "{print \$2}" >nonsparse_objects.txt &&
107         comm -1 -2 required_objects.txt nonsparse_objects.txt >nonsparse_required_objects.txt &&
108         test_cmp required_objects.txt nonsparse_required_objects.txt
109 '
110
111 # --sparse is enabled by default by pack.useSparse
112 test_expect_success 'sparse pack-objects' '
113         GIT_TEST_PACK_SPARSE=-1 &&
114         git rev-parse                   \
115                 topic1                  \
116                 topic1^{tree}           \
117                 topic1:f3               \
118                 topic1:f3/f4            \
119                 topic1:f3/f4/data.txt | sort >expect_sparse_objects.txt &&
120         git pack-objects --stdout --revs <packinput.txt >sparse.pack &&
121         git index-pack -o sparse.idx sparse.pack &&
122         git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
123         test_cmp expect_sparse_objects.txt sparse_objects.txt
124 '
125
126 test_expect_success 'pack.useSparse enables algorithm' '
127         git config pack.useSparse true &&
128         git pack-objects --stdout --revs <packinput.txt >sparse.pack &&
129         git index-pack -o sparse.idx sparse.pack &&
130         git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
131         test_cmp expect_sparse_objects.txt sparse_objects.txt
132 '
133
134 test_expect_success 'pack.useSparse overridden' '
135         git pack-objects --stdout --revs --no-sparse <packinput.txt >sparse.pack &&
136         git index-pack -o sparse.idx sparse.pack &&
137         git show-index <sparse.idx | awk "{print \$2}" >sparse_objects.txt &&
138         test_cmp required_objects.txt sparse_objects.txt
139 '
140
141 test_done