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|
#!/bin/sh
#
# Copyright (c) 2009, Red Hat Inc, Author: Michael S. Tsirkin (mst@redhat.com)
#
test_description='test clone --reference'
. ./test-lib.sh
base_dir=$(pwd)
test_alternate_is_used () {
alternates_file="$1" &&
working_dir="$2" &&
test_line_count = 1 "$alternates_file" &&
echo "0 objects, 0 kilobytes" >expect &&
git -C "$working_dir" count-objects >actual &&
test_cmp expect actual
}
test_expect_success 'preparing first repository' '
test_create_repo A &&
(
cd A &&
echo first >file1 &&
git add file1 &&
git commit -m A-initial
)
'
test_expect_success 'preparing second repository' '
git clone A B &&
(
cd B &&
echo second >file2 &&
git add file2 &&
git commit -m B-addition &&
git repack -a -d &&
git prune
)
'
test_expect_success 'preparing superproject' '
test_create_repo super &&
(
cd super &&
echo file >file &&
git add file &&
git commit -m B-super-initial
)
'
test_expect_success 'submodule add --reference uses alternates' '
(
cd super &&
git submodule add --reference ../B "file://$base_dir/A" sub &&
git commit -m B-super-added &&
git repack -ad
) &&
test_alternate_is_used super/.git/modules/sub/objects/info/alternates super/sub
'
test_expect_success 'that reference gets used with add' '
(
cd super/sub &&
echo "0 objects, 0 kilobytes" >expected &&
git count-objects >current &&
diff expected current
)
'
# The tests up to this point, and repositories created by them
# (A, B, super and super/sub), are about setting up the stage
# for subsequent tests and meant to be kept throughout the
# remainder of the test.
# Tests from here on, if they create their own test repository,
# are expected to clean after themselves.
test_expect_success 'updating superproject keeps alternates' '
test_when_finished "rm -rf super-clone" &&
git clone super super-clone &&
git -C super-clone submodule update --init --reference ../B &&
test_alternate_is_used super-clone/.git/modules/sub/objects/info/alternates super-clone/sub
'
test_expect_success 'submodules use alternates when cloning a superproject' '
test_when_finished "rm -rf super-clone" &&
git clone --reference super --recursive super super-clone &&
(
cd super-clone &&
# test superproject has alternates setup correctly
test_alternate_is_used .git/objects/info/alternates . &&
# test submodule has correct setup
test_alternate_is_used .git/modules/sub/objects/info/alternates sub
)
'
test_expect_success 'missing submodule alternate fails clone and submodule update' '
test_when_finished "rm -rf super-clone" &&
git clone super super2 &&
test_must_fail git clone --recursive --reference super2 super2 super-clone &&
(
cd super-clone &&
# test superproject has alternates setup correctly
test_alternate_is_used .git/objects/info/alternates . &&
# update of the submodule succeeds
test_must_fail git submodule update --init &&
# and we have no alternates:
test_must_fail test_alternate_is_used .git/modules/sub/objects/info/alternates sub &&
test_must_fail test_path_is_file sub/file1
)
'
test_expect_success 'ignoring missing submodule alternates passes clone and submodule update' '
test_when_finished "rm -rf super-clone" &&
git clone --reference-if-able super2 --recursive super2 super-clone &&
(
cd super-clone &&
# test superproject has alternates setup correctly
test_alternate_is_used .git/objects/info/alternates . &&
# update of the submodule succeeds
git submodule update --init &&
# and we have no alternates:
test_must_fail test_alternate_is_used .git/modules/sub/objects/info/alternates sub &&
test_path_is_file sub/file1
)
'
test_expect_success 'preparing second superproject with a nested submodule plus partial clone' '
test_create_repo supersuper &&
(
cd supersuper &&
echo "I am super super." >file &&
git add file &&
git commit -m B-super-super-initial
git submodule add "file://$base_dir/super" subwithsub &&
git commit -m B-super-super-added &&
git submodule update --init --recursive &&
git repack -ad
) &&
git clone supersuper supersuper2 &&
(
cd supersuper2 &&
git submodule update --init
)
'
# At this point there are three root-level positories: A, B, super and super2
test_expect_success 'nested submodule alternate in works and is actually used' '
test_when_finished "rm -rf supersuper-clone" &&
git clone --recursive --reference supersuper supersuper supersuper-clone &&
(
cd supersuper-clone &&
# test superproject has alternates setup correctly
test_alternate_is_used .git/objects/info/alternates . &&
# immediate submodule has alternate:
test_alternate_is_used .git/modules/subwithsub/objects/info/alternates subwithsub &&
# nested submodule also has alternate:
test_alternate_is_used .git/modules/subwithsub/modules/sub/objects/info/alternates subwithsub/sub
)
'
check_that_two_of_three_alternates_are_used() {
test_alternate_is_used .git/objects/info/alternates . &&
# immediate submodule has alternate:
test_alternate_is_used .git/modules/subwithsub/objects/info/alternates subwithsub &&
# but nested submodule has no alternate:
test_must_fail test_alternate_is_used .git/modules/subwithsub/modules/sub/objects/info/alternates subwithsub/sub
}
test_expect_success 'missing nested submodule alternate fails clone and submodule update' '
test_when_finished "rm -rf supersuper-clone" &&
test_must_fail git clone --recursive --reference supersuper2 supersuper2 supersuper-clone &&
(
cd supersuper-clone &&
check_that_two_of_three_alternates_are_used &&
# update of the submodule fails
test_must_fail git submodule update --init --recursive
)
'
test_expect_success 'missing nested submodule alternate in --reference-if-able mode' '
test_when_finished "rm -rf supersuper-clone" &&
git clone --recursive --reference-if-able supersuper2 supersuper2 supersuper-clone &&
(
cd supersuper-clone &&
check_that_two_of_three_alternates_are_used &&
# update of the submodule succeeds
git submodule update --init --recursive
)
'
test_done
|
