#!/bin/sh
# Copyright (c) 2006 Eric Wong
test_description='git svn metadata migrations from previous versions'
. ./lib-git-svn.sh

test_expect_success 'setup old-looking metadata' '
	cp "$GIT_DIR"/config "$GIT_DIR"/config-old-git-svn &&
	mkdir import &&
	cd import &&
		for i in trunk branches/a branches/b \
		         tags/0.1 tags/0.2 tags/0.3; do
			mkdir -p $i && \
			echo hello >> $i/README || exit 1
		done && \
		svn_cmd import -m test . "$svnrepo"
		cd .. &&
	git svn init "$svnrepo" &&
	git svn fetch &&
	mv "$GIT_DIR"/svn/* "$GIT_DIR"/ &&
	mv "$GIT_DIR"/svn/.metadata "$GIT_DIR"/ &&
	rmdir "$GIT_DIR"/svn &&
	git update-ref refs/heads/git-svn-HEAD refs/${remotes_git_svn} &&
	git update-ref refs/heads/svn-HEAD refs/${remotes_git_svn} &&
	git update-ref -d refs/${remotes_git_svn} refs/${remotes_git_svn}
	'

head=`git rev-parse --verify refs/heads/git-svn-HEAD^0`
test_expect_success 'git-svn-HEAD is a real HEAD' "test -n '$head'"

test_expect_success 'initialize old-style (v0) git svn layout' '
	mkdir -p "$GIT_DIR"/git-svn/info "$GIT_DIR"/svn/info &&
	echo "$svnrepo" > "$GIT_DIR"/git-svn/info/url &&
	echo "$svnrepo" > "$GIT_DIR"/svn/info/url &&
	git svn migrate &&
	! test -d "$GIT_DIR"/git svn &&
	git rev-parse --verify refs/${remotes_git_svn}^0 &&
	git rev-parse --verify refs/remotes/svn^0 &&
	test "$(git config --get svn-remote.svn.url)" = "$svnrepo" &&
	test `git config --get svn-remote.svn.fetch` = \
             ":refs/${remotes_git_svn}"
	'

test_expect_success 'initialize a multi-repository repo' '
	git svn init "$svnrepo" -T trunk -t tags -b branches &&
	git config --get-all svn-remote.svn.fetch > fetch.out &&
	grep "^trunk:refs/remotes/trunk$" fetch.out &&
	test -n "`git config --get svn-remote.svn.branches \
	            "^branches/\*:refs/remotes/\*$"`" &&
	test -n "`git config --get svn-remote.svn.tags \
	            "^tags/\*:refs/remotes/tags/\*$"`" &&
	git config --unset svn-remote.svn.branches \
	                        "^branches/\*:refs/remotes/\*$" &&
	git config --unset svn-remote.svn.tags \
	                        "^tags/\*:refs/remotes/tags/\*$" &&
	git config --add svn-remote.svn.fetch "branches/a:refs/remotes/a" &&
	git config --add svn-remote.svn.fetch "branches/b:refs/remotes/b" &&
	for i in tags/0.1 tags/0.2 tags/0.3; do
		git config --add svn-remote.svn.fetch \
		                 $i:refs/remotes/$i || exit 1; done
	'

# refs should all be different, but the trees should all be the same:
test_expect_success 'multi-fetch works on partial urls + paths' "
	git svn multi-fetch &&
	for i in trunk a b tags/0.1 tags/0.2 tags/0.3; do
		git rev-parse --verify refs/remotes/\$i^0 >> refs.out || exit 1;
	    done &&
	test -z \"\`sort < refs.out | uniq -d\`\" &&
	for i in trunk a b tags/0.1 tags/0.2 tags/0.3; do
	  for j in trunk a b tags/0.1 tags/0.2 tags/0.3; do
		if test \$j != \$i; then continue; fi
	    test -z \"\`git diff refs/remotes/\$i \
	                         refs/remotes/\$j\`\" ||exit 1; done; done
	"

test_expect_success 'migrate --minimize on old inited layout' '
	git config --unset-all svn-remote.svn.fetch &&
	git config --unset-all svn-remote.svn.url &&
	rm -rf "$GIT_DIR"/svn &&
	for i in `cat fetch.out`; do
		path=`expr $i : "\([^:]*\):.*$"`
		ref=`expr $i : "[^:]*:refs/remotes/\(.*\)$"`
		if test -z "$ref"; then continue; fi
		if test -n "$path"; then path="/$path"; fi
		( mkdir -p "$GIT_DIR"/svn/$ref/info/ &&
		echo "$svnrepo"$path > "$GIT_DIR"/svn/$ref/info/url ) || exit 1;
	done &&
	git svn migrate --minimize &&
	test -z "`git config -l |grep -v "^svn-remote\.git-svn\."`" &&
	git config --get-all svn-remote.svn.fetch > fetch.out &&
	grep "^trunk:refs/remotes/trunk$" fetch.out &&
	grep "^branches/a:refs/remotes/a$" fetch.out &&
	grep "^branches/b:refs/remotes/b$" fetch.out &&
	grep "^tags/0\.1:refs/remotes/tags/0\.1$" fetch.out &&
	grep "^tags/0\.2:refs/remotes/tags/0\.2$" fetch.out &&
	grep "^tags/0\.3:refs/remotes/tags/0\.3$" fetch.out
	grep "^:refs/${remotes_git_svn}" fetch.out
	'

test_expect_success  ".rev_db auto-converted to .rev_map.UUID" '
	git svn fetch -i trunk &&
	test -z "$(ls "$GIT_DIR"/svn/trunk/.rev_db.* 2>/dev/null)" &&
	expect="$(ls "$GIT_DIR"/svn/trunk/.rev_map.*)" &&
	test -n "$expect" &&
	rev_db="$(echo $expect | sed -e "s,_map,_db,")" &&
	convert_to_rev_db "$expect" "$rev_db" &&
	rm -f "$expect" &&
	test -f "$rev_db" &&
	git svn fetch -i trunk &&
	test -z "$(ls "$GIT_DIR"/svn/trunk/.rev_db.* 2>/dev/null)" &&
	test ! -e "$GIT_DIR"/svn/trunk/.rev_db &&
	test -f "$expect"
	'

test_done