t4058-diff-duplicates.sh [plain text]
#!/bin/sh
test_description='test tree diff when trees have duplicate entries'
. ./test-lib.sh
make_tree_entry () {
printf '%s %s\0' "$1" "$2" &&
perl -e 'print chr(hex($_)) for ($ARGV[0] =~ /../g)' "$3"
}
make_tree () {
while test $ make_tree_entry "$1" "$2" "$3"
shift; shift; shift
done |
git hash-object -w -t tree --stdin
}
test_expect_success 'create trees with duplicate entries' '
blob_one=$(echo one | git hash-object -w --stdin) &&
blob_two=$(echo two | git hash-object -w --stdin) &&
inner_one_a=$(make_tree \
100644 inner $blob_one
) &&
inner_one_b=$(make_tree \
100644 inner $blob_two \
100644 inner $blob_two \
100644 inner $blob_two
) &&
outer_one=$(make_tree \
040000 outer $inner_one_a \
040000 outer $inner_one_b
) &&
inner_two=$(make_tree \
100644 inner $blob_one \
100644 inner $blob_two \
100644 inner $blob_two \
100644 inner $blob_two
) &&
outer_two=$(make_tree \
040000 outer $inner_two
) &&
git tag one $outer_one &&
git tag two $outer_two
'
test_expect_success 'diff-tree between trees' '
{
printf ":000000 100644 $_z40 $blob_two A\touter/inner\n" &&
printf ":000000 100644 $_z40 $blob_two A\touter/inner\n" &&
printf ":000000 100644 $_z40 $blob_two A\touter/inner\n" &&
printf ":100644 000000 $blob_two $_z40 D\touter/inner\n" &&
printf ":100644 000000 $blob_two $_z40 D\touter/inner\n" &&
printf ":100644 000000 $blob_two $_z40 D\touter/inner\n"
} >expect &&
git diff-tree -r --no-abbrev one two >actual &&
test_cmp expect actual
'
test_expect_success 'diff-tree with renames' '
git diff-tree -M -r --no-abbrev one two >actual &&
test_cmp expect actual
'
test_done