#!/bin/bash
#
# Copyright (c) Robin Rosenberg
#
test_description='CVS export comit. '

. ./test-lib.sh

cvs >/dev/null 2>&1
if test $? -ne 1
then
    test_expect_success 'skipping git-cvsexportcommit tests, cvs not found' :
    test_done
    exit
fi

export CVSROOT=$(pwd)/cvsroot
export CVSWORK=$(pwd)/cvswork
rm -rf "$CVSROOT" "$CVSWORK"
mkdir "$CVSROOT" &&
cvs init &&
cvs -Q co -d "$CVSWORK" . &&
export GIT_DIR=$(pwd)/.git &&
echo >empty &&
git add empty &&
git commit -a -m "Initial" 2>/dev/null ||
exit 1

test_expect_success \
    'New file' \
    'mkdir A B C D E F &&
     echo hello1 >A/newfile1.txt &&
     echo hello2 >B/newfile2.txt &&
     cp ../test9200a.png C/newfile3.png &&
     cp ../test9200a.png D/newfile4.png &&
     git add A/newfile1.txt &&
     git add B/newfile2.txt &&
     git add C/newfile3.png &&
     git add D/newfile4.png &&
     git commit -a -m "Test: New file" &&
     id=$(git rev-list --max-count=1 HEAD) &&
     (cd "$CVSWORK" &&
     git cvsexportcommit -c $id &&
     test "$(echo $(sort A/CVS/Entries|cut -d/ -f2,3,5))" = "newfile1.txt/1.1/" &&
     test "$(echo $(sort B/CVS/Entries|cut -d/ -f2,3,5))" = "newfile2.txt/1.1/" &&
     test "$(echo $(sort C/CVS/Entries|cut -d/ -f2,3,5))" = "newfile3.png/1.1/-kb" &&
     test "$(echo $(sort D/CVS/Entries|cut -d/ -f2,3,5))" = "newfile4.png/1.1/-kb" &&
     diff A/newfile1.txt ../A/newfile1.txt &&
     diff B/newfile2.txt ../B/newfile2.txt &&
     diff C/newfile3.png ../C/newfile3.png &&
     diff D/newfile4.png ../D/newfile4.png
     )'

test_expect_success \
    'Remove two files, add two and update two' \
    'echo Hello1 >>A/newfile1.txt &&
     rm -f B/newfile2.txt &&
     rm -f C/newfile3.png &&
     echo Hello5  >E/newfile5.txt &&
     cp ../test9200b.png D/newfile4.png &&
     cp ../test9200a.png F/newfile6.png &&
     git add E/newfile5.txt &&
     git add F/newfile6.png &&
     git commit -a -m "Test: Remove, add and update" &&
     id=$(git rev-list --max-count=1 HEAD) &&
     (cd "$CVSWORK" &&
     git cvsexportcommit -c $id &&
     test "$(echo $(sort A/CVS/Entries|cut -d/ -f2,3,5))" = "newfile1.txt/1.2/" &&
     test "$(echo $(sort B/CVS/Entries|cut -d/ -f2,3,5))" = "" &&
     test "$(echo $(sort C/CVS/Entries|cut -d/ -f2,3,5))" = "" &&
     test "$(echo $(sort D/CVS/Entries|cut -d/ -f2,3,5))" = "newfile4.png/1.2/-kb" &&
     test "$(echo $(sort E/CVS/Entries|cut -d/ -f2,3,5))" = "newfile5.txt/1.1/" &&
     test "$(echo $(sort F/CVS/Entries|cut -d/ -f2,3,5))" = "newfile6.png/1.1/-kb" &&
     diff A/newfile1.txt ../A/newfile1.txt &&
     diff D/newfile4.png ../D/newfile4.png &&
     diff E/newfile5.txt ../E/newfile5.txt &&
     diff F/newfile6.png ../F/newfile6.png
     )'

# Should fail (but only on the git-cvsexportcommit stage)
test_expect_success \
    'Fail to change binary more than one generation old' \
    'cat F/newfile6.png >>D/newfile4.png &&
     git commit -a -m "generatiion 1" &&
     cat F/newfile6.png >>D/newfile4.png &&
     git commit -a -m "generation 2" &&
     id=$(git rev-list --max-count=1 HEAD) &&
     (cd "$CVSWORK" &&
     ! git cvsexportcommit -c $id
     )'

# Should fail, but only on the git-cvsexportcommit stage
test_expect_success \
    'Fail to remove binary file more than one generation old' \
    'git reset --hard HEAD^ &&
     cat F/newfile6.png >>D/newfile4.png &&
     git commit -a -m "generation 2 (again)" &&
     rm -f D/newfile4.png &&
     git commit -a -m "generation 3" &&
     id=$(git rev-list --max-count=1 HEAD) &&
     (cd "$CVSWORK" &&
     ! git cvsexportcommit -c $id
     )'

# We reuse the state from two tests back here

# This test is here because a patch for only binary files will
# fail with gnu patch, so cvsexportcommit must handle that.
test_expect_success \
    'Remove only binary files' \
    'git reset --hard HEAD^^^ &&
     rm -f D/newfile4.png &&
     git commit -a -m "test: remove only a binary file" &&
     id=$(git rev-list --max-count=1 HEAD) &&
     (cd "$CVSWORK" &&
     git cvsexportcommit -c $id &&
     test "$(echo $(sort A/CVS/Entries|cut -d/ -f2,3,5))" = "newfile1.txt/1.2/" &&
     test "$(echo $(sort B/CVS/Entries|cut -d/ -f2,3,5))" = "" &&
     test "$(echo $(sort C/CVS/Entries|cut -d/ -f2,3,5))" = "" &&
     test "$(echo $(sort D/CVS/Entries|cut -d/ -f2,3,5))" = "" &&
     test "$(echo $(sort E/CVS/Entries|cut -d/ -f2,3,5))" = "newfile5.txt/1.1/" &&
     test "$(echo $(sort F/CVS/Entries|cut -d/ -f2,3,5))" = "newfile6.png/1.1/-kb" &&
     diff A/newfile1.txt ../A/newfile1.txt &&
     diff E/newfile5.txt ../E/newfile5.txt &&
     diff F/newfile6.png ../F/newfile6.png
     )'

test_expect_success \
    'Remove only a text file' \
    'rm -f A/newfile1.txt &&
     git commit -a -m "test: remove only a binary file" &&
     id=$(git rev-list --max-count=1 HEAD) &&
     (cd "$CVSWORK" &&
     git cvsexportcommit -c $id &&
     test "$(echo $(sort A/CVS/Entries|cut -d/ -f2,3,5))" = "" &&
     test "$(echo $(sort B/CVS/Entries|cut -d/ -f2,3,5))" = "" &&
     test "$(echo $(sort C/CVS/Entries|cut -d/ -f2,3,5))" = "" &&
     test "$(echo $(sort D/CVS/Entries|cut -d/ -f2,3,5))" = "" &&
     test "$(echo $(sort E/CVS/Entries|cut -d/ -f2,3,5))" = "newfile5.txt/1.1/" &&
     test "$(echo $(sort F/CVS/Entries|cut -d/ -f2,3,5))" = "newfile6.png/1.1/-kb" &&
     diff E/newfile5.txt ../E/newfile5.txt &&
     diff F/newfile6.png ../F/newfile6.png
     )'

test_done