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#!/bin/sh
test_description='Combination of submodules and multiple workdirs'
. ./test-lib.sh
base_path=$(pwd -P)
test_expect_success 'setup: make origin' \
'mkdir -p origin/sub && ( cd origin/sub && git init &&
echo file1 >file1 &&
git add file1 &&
git commit -m file1 ) &&
mkdir -p origin/main && ( cd origin/main && git init &&
git submodule add ../sub &&
git commit -m "add sub" ) &&
( cd origin/sub &&
echo file1updated >file1 &&
git add file1 &&
git commit -m "file1 updated" ) &&
( cd origin/main/sub && git pull ) &&
( cd origin/main &&
git add sub &&
git commit -m "sub updated" )'
test_expect_success 'setup: clone' \
'mkdir clone && ( cd clone &&
git clone --recursive "$base_path/origin/main")'
rev1_hash_main=$(git --git-dir=origin/main/.git show --pretty=format:%h -q "HEAD~1")
rev1_hash_sub=$(git --git-dir=origin/sub/.git show --pretty=format:%h -q "HEAD~1")
test_expect_success 'checkout main' \
'mkdir default_checkout &&
(cd clone/main &&
git worktree add "$base_path/default_checkout/main" "$rev1_hash_main")'
test_expect_failure 'can see submodule diffs just after checkout' \
'(cd default_checkout/main && git diff --submodule master"^!" | grep "file1 updated")'
test_expect_success 'checkout main and initialize independed clones' \
'mkdir fully_cloned_submodule &&
(cd clone/main &&
git worktree add "$base_path/fully_cloned_submodule/main" "$rev1_hash_main") &&
(cd fully_cloned_submodule/main && git submodule update)'
test_expect_success 'can see submodule diffs after independed cloning' \
'(cd fully_cloned_submodule/main && git diff --submodule master"^!" | grep "file1 updated")'
test_expect_success 'checkout sub manually' \
'mkdir linked_submodule &&
(cd clone/main &&
git worktree add "$base_path/linked_submodule/main" "$rev1_hash_main") &&
(cd clone/main/sub &&
git worktree add "$base_path/linked_submodule/main/sub" "$rev1_hash_sub")'
test_expect_success 'can see submodule diffs after manual checkout of linked submodule' \
'(cd linked_submodule/main && git diff --submodule master"^!" | grep "file1 updated")'
test_done
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