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source common.sh
set -u
if [[ -z $(type -p git) ]]; then
echo "Git not installed; skipping Git submodule tests"
exit 99
fi
clearStore
rootRepo=$TEST_ROOT/gitSubmodulesRoot
subRepo=$TEST_ROOT/gitSubmodulesSub
rm -rf ${rootRepo} ${subRepo} $TEST_HOME/.cache/nix/gitv2
initGitRepo() {
git init $1
git -C $1 config user.email "foobar@example.com"
git -C $1 config user.name "Foobar"
}
addGitContent() {
echo "lorem ipsum" > $1/content
git -C $1 add content
git -C $1 commit -m "Initial commit"
}
initGitRepo $subRepo
addGitContent $subRepo
initGitRepo $rootRepo
git -C $rootRepo submodule init
git -C $rootRepo submodule add $subRepo sub
git -C $rootRepo add sub
git -C $rootRepo commit -m "Add submodule"
rev=$(git -C $rootRepo rev-parse HEAD)
pathWithoutSubmodules=$(nix eval --raw "(builtins.fetchGit { url = file://$rootRepo; rev = \"$rev\"; }).outPath")
pathWithSubmodules=$(nix eval --raw "(builtins.fetchGit { url = file://$rootRepo; rev = \"$rev\"; fetchSubmodules = true; }).outPath")
pathWithSubmodulesAgain=$(nix eval --raw "(builtins.fetchGit { url = file://$rootRepo; rev = \"$rev\"; fetchSubmodules = true; }).outPath")
# The resulting store path cannot be the same.
[[ $pathWithoutSubmodules != $pathWithSubmodules ]]
# Checking out the same repo with submodules returns in the same store path.
[[ $pathWithSubmodules == $pathWithSubmodulesAgain ]]
# The submodules flag is actually honored.
[[ ! -e $pathWithoutSubmodules/sub/content ]]
[[ -e $pathWithSubmodules/sub/content ]]
# No .git directory or submodule reference files must be left
test "$(find "$pathWithSubmodules" -name .git)" = ""
# Git repos without submodules can be fetched with submodules = true.
noSubmoduleRepoBaseline=$(nix eval --raw "(builtins.fetchGit { url = file://$subRepo; rev = \"$rev\"; }).outPath")
noSubmoduleRepo=$(nix eval --raw "(builtins.fetchGit { url = file://$subRepo; rev = \"$rev\"; fetchSubmodules = true; }).outPath")
[[ $noSubmoduleRepoBaseline == $noSubmoduleRepo ]]
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