#!/bin/sh

test_description='git init'

. ./test-lib.sh

check_config () {
	if test -d "$1" && test -f "$1/config" && test -d "$1/refs"
	then
		: happy
	else
		echo "expected a directory $1, a file $1/config and $1/refs"
		return 1
	fi

	if test_have_prereq POSIXPERM && test -x "$1/config"
	then
		echo "$1/config is executable?"
		return 1
	fi

	bare=$(cd "$1" && git config --bool core.bare)
	worktree=$(cd "$1" && git config core.worktree) ||
	worktree=unset

	test "$bare" = "$2" && test "$worktree" = "$3" || {
		echo "expected bare=$2 worktree=$3"
		echo "     got bare=$bare worktree=$worktree"
		return 1
	}
}

test_expect_success 'plain' '
	git init plain &&
	check_config plain/.git false unset
'

test_expect_success 'plain nested in bare' '
	(
		git init --bare bare-ancestor.git &&
		cd bare-ancestor.git &&
		mkdir plain-nested &&
		cd plain-nested &&
		git init
	) &&
	check_config bare-ancestor.git/plain-nested/.git false unset
'

test_expect_success 'plain through aliased command, outside any git repo' '
	(
		HOME=$(pwd)/alias-config &&
		export HOME &&
		mkdir alias-config &&
		echo "[alias] aliasedinit = init" >alias-config/.gitconfig &&

		GIT_CEILING_DIRECTORIES=$(pwd) &&
		export GIT_CEILING_DIRECTORIES &&

		mkdir plain-aliased &&
		cd plain-aliased &&
		git aliasedinit
	) &&
	check_config plain-aliased/.git false unset
'

test_expect_success 'plain nested through aliased command' '
	(
		git init plain-ancestor-aliased &&
		cd plain-ancestor-aliased &&
		echo "[alias] aliasedinit = init" >>.git/config &&
		mkdir plain-nested &&
		cd plain-nested &&
		git aliasedinit
	) &&
	check_config plain-ancestor-aliased/plain-nested/.git false unset
'

test_expect_success 'plain nested in bare through aliased command' '
	(
		git init --bare bare-ancestor-aliased.git &&
		cd bare-ancestor-aliased.git &&
		echo "[alias] aliasedinit = init" >>config &&
		mkdir plain-nested &&
		cd plain-nested &&
		git aliasedinit
	) &&
	check_config bare-ancestor-aliased.git/plain-nested/.git false unset
'

test_expect_success 'No extra GIT_* on alias scripts' '
	(
		env | sed -ne "/^GIT_/s/=.*//p" &&
		echo GIT_PREFIX &&        # setup.c
		echo GIT_TEXTDOMAINDIR    # wrapper-for-bin.sh
	) | sort | uniq >expected &&
	cat <<-\EOF >script &&
	#!/bin/sh
	env | sed -ne "/^GIT_/s/=.*//p" | sort >actual
	exit 0
	EOF
	chmod 755 script &&
	git config alias.script \!./script &&
	( mkdir sub && cd sub && git script ) &&
	test_cmp expected actual
'

test_expect_success 'plain with GIT_WORK_TREE' '
	mkdir plain-wt &&
	test_must_fail env GIT_WORK_TREE="$(pwd)/plain-wt" git init plain-wt
'

test_expect_success 'plain bare' '
	git --bare init plain-bare-1 &&
	check_config plain-bare-1 true unset
'

test_expect_success 'plain bare with GIT_WORK_TREE' '
	mkdir plain-bare-2 &&
	test_must_fail \
		env GIT_WORK_TREE="$(pwd)/plain-bare-2" \
		git --bare init plain-bare-2
'

test_expect_success 'GIT_DIR bare' '
	mkdir git-dir-bare.git &&
	GIT_DIR=git-dir-bare.git git init &&
	check_config git-dir-bare.git true unset
'

test_expect_success 'init --bare' '
	git init --bare init-bare.git &&
	check_config init-bare.git true unset
'

test_expect_success 'GIT_DIR non-bare' '

	(
		mkdir non-bare &&
		cd non-bare &&
		GIT_DIR=.git git init
	) &&
	check_config non-bare/.git false unset
'

test_expect_success 'GIT_DIR & GIT_WORK_TREE (1)' '

	(
		mkdir git-dir-wt-1.git &&
		GIT_WORK_TREE=$(pwd) GIT_DIR=git-dir-wt-1.git git init
	) &&
	check_config git-dir-wt-1.git false "$(pwd)"
'

test_expect_success 'GIT_DIR & GIT_WORK_TREE (2)' '
	mkdir git-dir-wt-2.git &&
	test_must_fail env \
		GIT_WORK_TREE="$(pwd)" \
		GIT_DIR=git-dir-wt-2.git \
		git --bare init
'

test_expect_success 'reinit' '

	(
		mkdir again &&
		cd again &&
		git init >out1 2>err1 &&
		git init >out2 2>err2
	) &&
	test_i18ngrep "Initialized empty" again/out1 &&
	test_i18ngrep "Reinitialized existing" again/out2 &&
	>again/empty &&
	test_i18ncmp again/empty again/err1 &&
	test_i18ncmp again/empty again/err2
'

test_expect_success 'init with --template' '
	mkdir template-source &&
	echo content >template-source/file &&
	git init --template=../template-source template-custom &&
	test_cmp template-source/file template-custom/.git/file
'

test_expect_success 'init with --template (blank)' '
	git init template-plain &&
	test_path_is_file template-plain/.git/info/exclude &&
	git init --template= template-blank &&
	test_path_is_missing template-blank/.git/info/exclude
'

test_expect_success 'init with init.templatedir set' '
	mkdir templatedir-source &&
	echo Content >templatedir-source/file &&
	test_config_global init.templatedir "${HOME}/templatedir-source" &&
	(
		mkdir templatedir-set &&
		cd templatedir-set &&
		sane_unset GIT_TEMPLATE_DIR &&
		NO_SET_GIT_TEMPLATE_DIR=t &&
		export NO_SET_GIT_TEMPLATE_DIR &&
		git init
	) &&
	test_cmp templatedir-source/file templatedir-set/.git/file
'

test_expect_success 'init --bare/--shared overrides system/global config' '
	test_config_global core.bare false &&
	test_config_global core.sharedRepository 0640 &&
	git init --bare --shared=0666 init-bare-shared-override &&
	check_config init-bare-shared-override true unset &&
	test x0666 = \
	x$(git config -f init-bare-shared-override/config core.sharedRepository)
'

test_expect_success 'init honors global core.sharedRepository' '
	test_config_global core.sharedRepository 0666 &&
	git init shared-honor-global &&
	test x0666 = \
	x$(git config -f shared-honor-global/.git/config core.sharedRepository)
'

test_expect_success 'init rejects insanely long --template' '
	test_must_fail git init --template=$(printf "x%09999dx" 1) test
'

test_expect_success 'init creates a new directory' '
	rm -fr newdir &&
	git init newdir &&
	test_path_is_dir newdir/.git/refs
'

test_expect_success 'init creates a new bare directory' '
	rm -fr newdir &&
	git init --bare newdir &&
	test_path_is_dir newdir/refs
'

test_expect_success 'init recreates a directory' '
	rm -fr newdir &&
	mkdir newdir &&
	git init newdir &&
	test_path_is_dir newdir/.git/refs
'

test_expect_success 'init recreates a new bare directory' '
	rm -fr newdir &&
	mkdir newdir &&
	git init --bare newdir &&
	test_path_is_dir newdir/refs
'

test_expect_success 'init creates a new deep directory' '
	rm -fr newdir &&
	git init newdir/a/b/c &&
	test_path_is_dir newdir/a/b/c/.git/refs
'

test_expect_success POSIXPERM 'init creates a new deep directory (umask vs. shared)' '
	rm -fr newdir &&
	(
		# Leading directories should honor umask while
		# the repository itself should follow "shared"
		umask 002 &&
		git init --bare --shared=0660 newdir/a/b/c &&
		test_path_is_dir newdir/a/b/c/refs &&
		ls -ld newdir/a newdir/a/b > lsab.out &&
		! grep -v "^drwxrw[sx]r-x" lsab.out &&
		ls -ld newdir/a/b/c > lsc.out &&
		! grep -v "^drwxrw[sx]---" lsc.out
	)
'

test_expect_success 'init notices EEXIST (1)' '
	rm -fr newdir &&
	>newdir &&
	test_must_fail git init newdir &&
	test_path_is_file newdir
'

test_expect_success 'init notices EEXIST (2)' '
	rm -fr newdir &&
	mkdir newdir &&
	>newdir/a &&
	test_must_fail git init newdir/a/b &&
	test_path_is_file newdir/a
'

test_expect_success POSIXPERM,SANITY 'init notices EPERM' '
	rm -fr newdir &&
	mkdir newdir &&
	chmod -w newdir &&
	test_must_fail git init newdir/a/b
'

test_expect_success 'init creates a new bare directory with global --bare' '
	rm -rf newdir &&
	git --bare init newdir &&
	test_path_is_dir newdir/refs
'

test_expect_success 'init prefers command line to GIT_DIR' '
	rm -rf newdir &&
	mkdir otherdir &&
	GIT_DIR=otherdir git --bare init newdir &&
	test_path_is_dir newdir/refs &&
	test_path_is_missing otherdir/refs
'

test_expect_success 'init with separate gitdir' '
	rm -rf newdir &&
	git init --separate-git-dir realgitdir newdir &&
	echo "gitdir: $(pwd)/realgitdir" >expected &&
	test_cmp expected newdir/.git &&
	test_path_is_dir realgitdir/refs
'

test_expect_success 're-init on .git file' '
	( cd newdir && git init )
'

test_expect_success 're-init to update git link' '
	(
	cd newdir &&
	git init --separate-git-dir ../surrealgitdir
	) &&
	echo "gitdir: $(pwd)/surrealgitdir" >expected &&
	test_cmp expected newdir/.git &&
	test_path_is_dir surrealgitdir/refs &&
	test_path_is_missing realgitdir/refs
'

test_expect_success 're-init to move gitdir' '
	rm -rf newdir realgitdir surrealgitdir &&
	git init newdir &&
	(
	cd newdir &&
	git init --separate-git-dir ../realgitdir
	) &&
	echo "gitdir: $(pwd)/realgitdir" >expected &&
	test_cmp expected newdir/.git &&
	test_path_is_dir realgitdir/refs
'

test_expect_success SYMLINKS 're-init to move gitdir symlink' '
	rm -rf newdir realgitdir &&
	git init newdir &&
	(
	cd newdir &&
	mv .git here &&
	ln -s here .git &&
	git init --separate-git-dir ../realgitdir
	) &&
	echo "gitdir: $(pwd)/realgitdir" >expected &&
	test_cmp expected newdir/.git &&
	test_cmp expected newdir/here &&
	test_path_is_dir realgitdir/refs
'

test_done