#!/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 "$svnrepo" &&
        git svn fetch &&
        rm -rf "$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 &&
        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
        '

# 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 "^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/refs/remotes/trunk/.rev_db.* 2>/dev/null)" &&
        expect="$(ls "$GIT_DIR"/svn/refs/remotes/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 "$GIT_DIR"/svn/refs/remotes/trunk/.rev_db.* 2>/dev/null)" &&
        test ! -e "$GIT_DIR"/svn/refs/remotes/trunk/.rev_db &&
        test -f "$expect"
        '

test_done