mirror of
https://github.com/git/git.git
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228 lines
7.2 KiB
Bash
Executable File
228 lines
7.2 KiB
Bash
Executable File
#!/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 'setup' '
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git config --global protocol.file.allow always
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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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cat >expect <<-\EOF &&
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fatal: submodule '\''sub'\'' cannot add alternate: path ... does not exist
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Failed to clone '\''sub'\''. Retry scheduled
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fatal: submodule '\''sub-dissociate'\'' cannot add alternate: path ... does not exist
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Failed to clone '\''sub-dissociate'\''. Retry scheduled
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fatal: submodule '\''sub'\'' cannot add alternate: path ... does not exist
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Failed to clone '\''sub'\'' a second time, aborting
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fatal: Failed to recurse into submodule path ...
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EOF
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test_must_fail git submodule update --init --recursive 2>err &&
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grep -e fatal: -e ^Failed err >actual.raw &&
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sed -e "s/path $SQ[^$SQ]*$SQ/path .../" <actual.raw >actual &&
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test_cmp expect actual
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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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