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