#!/bin/sh
#
# Copyright (c) 2007 Johannes E. Schindelin
#

test_description='git fast-export'
. ./test-lib.sh

test_expect_success 'setup' '

        echo Wohlauf > file &&
        git add file &&
        test_tick &&
        git commit -m initial &&
        echo die Luft > file &&
        echo geht frisch > file2 &&
        git add file file2 &&
        test_tick &&
        git commit -m second &&
        echo und > file2 &&
        test_tick &&
        git commit -m third file2 &&
        test_tick &&
        git tag rein &&
        git checkout -b wer HEAD^ &&
        echo lange > file2
        test_tick &&
        git commit -m sitzt file2 &&
        test_tick &&
        git tag -a -m valentin muss &&
        git merge -s ours master

'

test_expect_success 'fast-export | fast-import' '

        MASTER=$(git rev-parse --verify master) &&
        REIN=$(git rev-parse --verify rein) &&
        WER=$(git rev-parse --verify wer) &&
        MUSS=$(git rev-parse --verify muss) &&
        mkdir new &&
        git --git-dir=new/.git init &&
        git fast-export --all |
        (cd new &&
         git fast-import &&
         test $MASTER = $(git rev-parse --verify refs/heads/master) &&
         test $REIN = $(git rev-parse --verify refs/tags/rein) &&
         test $WER = $(git rev-parse --verify refs/heads/wer) &&
         test $MUSS = $(git rev-parse --verify refs/tags/muss))

'

test_expect_success 'fast-export master~2..master' '

        git fast-export master~2..master |
                sed "s/master/partial/" |
                (cd new &&
                 git fast-import &&
                 test $MASTER != $(git rev-parse --verify refs/heads/partial) &&
                 git diff master..partial &&
                 git diff master^..partial^ &&
                 test_must_fail git rev-parse partial~2)

'

test_expect_success 'iso-8859-1' '

        git config i18n.commitencoding ISO-8859-1 &&
        # use author and committer name in ISO-8859-1 to match it.
        . "$TEST_DIRECTORY"/t3901-8859-1.txt &&
        test_tick &&
        echo rosten >file &&
        git commit -s -m den file &&
        git fast-export wer^..wer |
                sed "s/wer/i18n/" |
                (cd new &&
                 git fast-import &&
                 git cat-file commit i18n | grep "Áéí óú")

'
test_expect_success 'import/export-marks' '

        git checkout -b marks master &&
        git fast-export --export-marks=tmp-marks HEAD &&
        test -s tmp-marks &&
        test $(wc -l < tmp-marks) -eq 3 &&
        test $(
                git fast-export --import-marks=tmp-marks\
                --export-marks=tmp-marks HEAD |
                grep ^commit |
                wc -l) \
        -eq 0 &&
        echo change > file &&
        git commit -m "last commit" file &&
        test $(
                git fast-export --import-marks=tmp-marks \
                --export-marks=tmp-marks HEAD |
                grep ^commit\  |
                wc -l) \
        -eq 1 &&
        test $(wc -l < tmp-marks) -eq 4

'

cat > signed-tag-import << EOF
tag sign-your-name
from $(git rev-parse HEAD)
tagger C O Mitter <committer@example.com> 1112911993 -0700
data 210
A message for a sign
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.5 (GNU/Linux)

fakedsignaturefakedsignaturefakedsignaturefakedsignaturfakedsign
aturefakedsignaturefake=
=/59v
-----END PGP SIGNATURE-----
EOF

test_expect_success 'set up faked signed tag' '

        cat signed-tag-import | git fast-import

'

test_expect_success 'signed-tags=abort' '

        test_must_fail git fast-export --signed-tags=abort sign-your-name

'

test_expect_success 'signed-tags=verbatim' '

        git fast-export --signed-tags=verbatim sign-your-name > output &&
        grep PGP output

'

test_expect_success 'signed-tags=strip' '

        git fast-export --signed-tags=strip sign-your-name > output &&
        ! grep PGP output

'

test_expect_success 'setup submodule' '

        git checkout -f master &&
        mkdir sub &&
        cd sub &&
        git init  &&
        echo test file > file &&
        git add file &&
        git commit -m sub_initial &&
        cd .. &&
        git submodule add "`pwd`/sub" sub &&
        git commit -m initial &&
        test_tick &&
        cd sub &&
        echo more data >> file &&
        git add file &&
        git commit -m sub_second &&
        cd .. &&
        git add sub &&
        git commit -m second

'

test_expect_success 'submodule fast-export | fast-import' '

        SUBENT1=$(git ls-tree master^ sub) &&
        SUBENT2=$(git ls-tree master sub) &&
        rm -rf new &&
        mkdir new &&
        git --git-dir=new/.git init &&
        git fast-export --signed-tags=strip --all |
        (cd new &&
         git fast-import &&
         test "$SUBENT1" = "$(git ls-tree refs/heads/master^ sub)" &&
         test "$SUBENT2" = "$(git ls-tree refs/heads/master sub)" &&
         git checkout master &&
         git submodule init &&
         git submodule update &&
         cmp sub/file ../sub/file)

'

export GIT_AUTHOR_NAME='A U Thor'
export GIT_COMMITTER_NAME='C O Mitter'

test_expect_success 'setup copies' '

        git config --unset i18n.commitencoding &&
        git checkout -b copy rein &&
        git mv file file3 &&
        git commit -m move1 &&
        test_tick &&
        cp file2 file4 &&
        git add file4 &&
        git mv file2 file5 &&
        git commit -m copy1 &&
        test_tick &&
        cp file3 file6 &&
        git add file6 &&
        git commit -m copy2 &&
        test_tick &&
        echo more text >> file6 &&
        echo even more text >> file6 &&
        git add file6 &&
        git commit -m modify &&
        test_tick &&
        cp file6 file7 &&
        echo test >> file7 &&
        git add file7 &&
        git commit -m copy_modify

'

test_expect_success 'fast-export -C -C | fast-import' '

        ENTRY=$(git rev-parse --verify copy) &&
        rm -rf new &&
        mkdir new &&
        git --git-dir=new/.git init &&
        git fast-export -C -C --signed-tags=strip --all > output &&
        grep "^C \"file6\" \"file7\"\$" output &&
        cat output |
        (cd new &&
         git fast-import &&
         test $ENTRY = $(git rev-parse --verify refs/heads/copy))

'

test_expect_success 'fast-export | fast-import when master is tagged' '

        git tag -m msg last &&
        git fast-export -C -C --signed-tags=strip --all > output &&
        test $(grep -c "^tag " output) = 3

'

cat > tag-content << EOF
object $(git rev-parse HEAD)
type commit
tag rosten
EOF

test_expect_success 'cope with tagger-less tags' '

        TAG=$(git hash-object -t tag -w tag-content) &&
        git update-ref refs/tags/sonnenschein $TAG &&
        git fast-export -C -C --signed-tags=strip --all > output &&
        test $(grep -c "^tag " output) = 4 &&
        ! grep "Unspecified Tagger" output &&
        git fast-export -C -C --signed-tags=strip --all \
                --fake-missing-tagger > output &&
        test $(grep -c "^tag " output) = 4 &&
        grep "Unspecified Tagger" output

'

test_done