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path: root/t/t1002-read-tree-m-u-2way.sh
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#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
 
test_description='Two way merge with read-tree -m -u $H $M
 
This is identical to t1001, but uses -u to update the work tree as well.
 
'
. ./test-lib.sh
 
_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
compare_change () {
	sed >current \
	    -e '/^--- /d; /^+++ /d; /^@@ /d;' \
	    -e 's/^\(.[0-7][0-7][0-7][0-7][0-7][0-7]\) '"$_x40"' /\1 X /' "$1"
	diff -u expected current
}
 
check_cache_at () {
	clean_if_empty=`git-diff-files -- "$1"`
	case "$clean_if_empty" in
	'')  echo "$1: clean" ;;
	?*)  echo "$1: dirty" ;;
	esac
	case "$2,$clean_if_empty" in
	clean,)		:     ;;
	clean,?*)	false ;;
	dirty,)		false ;;
	dirty,?*)	:     ;;
	esac
}
 
test_expect_success \
    setup \
    'echo frotz >frotz &&
     echo nitfol >nitfol &&
     echo bozbar >bozbar &&
     echo rezrov >rezrov &&
     echo yomin >yomin &&
     git-update-index --add nitfol bozbar rezrov &&
     treeH=`git-write-tree` &&
     echo treeH $treeH &&
     git-ls-tree $treeH &&
 
     echo gnusto >bozbar &&
     git-update-index --add frotz bozbar --force-remove rezrov &&
     git-ls-files --stage >M.out &&
     treeM=`git-write-tree` &&
     echo treeM $treeM &&
     git-ls-tree $treeM &&
     sum bozbar frotz nitfol >M.sum &&
     git-diff-tree $treeH $treeM'
 
test_expect_success \
    '1, 2, 3 - no carry forward' \
    'rm -f .git/index &&
     git-read-tree -m -u $treeH $treeM &&
     git-ls-files --stage >1-3.out &&
     cmp M.out 1-3.out &&
     sum bozbar frotz nitfol >actual3.sum &&
     cmp M.sum actual3.sum &&
     check_cache_at bozbar clean &&
     check_cache_at frotz clean &&
     check_cache_at nitfol clean'
 
echo '+100644 X 0	yomin' >expected
 
test_expect_success \
    '4 - carry forward local addition.' \
    'rm -f .git/index &&
     git-update-index --add yomin &&
     git-read-tree -m -u $treeH $treeM &&
     git-ls-files --stage >4.out || return 1
     diff --unified=0 M.out 4.out >4diff.out
     compare_change 4diff.out expected &&
     check_cache_at yomin clean &&
     sum bozbar frotz nitfol >actual4.sum &&
     cmp M.sum actual4.sum &&
     echo yomin >yomin1 &&
     diff yomin yomin1 &&
     rm -f yomin1'
 
test_expect_success \
    '5 - carry forward local addition.' \
    'rm -f .git/index &&
     echo yomin >yomin &&
     git-update-index --add yomin &&
     echo yomin yomin >yomin &&
     git-read-tree -m -u $treeH $treeM &&
     git-ls-files --stage >5.out || return 1
     diff --unified=0 M.out 5.out >5diff.out
     compare_change 5diff.out expected &&
     check_cache_at yomin dirty &&
     sum bozbar frotz nitfol >actual5.sum &&
     cmp M.sum actual5.sum &&
     : dirty index should have prevented -u from checking it out. &&
     echo yomin yomin >yomin1 &&
     diff yomin yomin1 &&
     rm -f yomin1'
 
test_expect_success \
    '6 - local addition already has the same.' \
    'rm -f .git/index &&
     git-update-index --add frotz &&
     git-read-tree -m -u $treeH $treeM &&
     git-ls-files --stage >6.out &&
     diff --unified=0 M.out 6.out &&
     check_cache_at frotz clean &&
     sum bozbar frotz nitfol >actual3.sum &&
     cmp M.sum actual3.sum &&
     echo frotz >frotz1 &&
     diff frotz frotz1 &&
     rm -f frotz1'
 
test_expect_success \
    '7 - local addition already has the same.' \
    'rm -f .git/index &&
     echo frotz >frotz &&
     git-update-index --add frotz &&
     echo frotz frotz >frotz &&
     git-read-tree -m -u $treeH $treeM &&
     git-ls-files --stage >7.out &&
     diff --unified=0 M.out 7.out &&
     check_cache_at frotz dirty &&
     sum bozbar frotz nitfol >actual7.sum &&
     if cmp M.sum actual7.sum; then false; else :; fi &&
     : dirty index should have prevented -u from checking it out. &&
     echo frotz frotz >frotz1 &&
     diff frotz frotz1 &&
     rm -f frotz1'
 
test_expect_success \
    '8 - conflicting addition.' \
    'rm -f .git/index &&
     echo frotz frotz >frotz &&
     git-update-index --add frotz &&
     if git-read-tree -m -u $treeH $treeM; then false; else :; fi'
 
test_expect_success \
    '9 - conflicting addition.' \
    'rm -f .git/index &&
     echo frotz frotz >frotz &&
     git-update-index --add frotz &&
     echo frotz >frotz &&
     if git-read-tree -m -u $treeH $treeM; then false; else :; fi'
 
test_expect_success \
    '10 - path removed.' \
    'rm -f .git/index &&
     echo rezrov >rezrov &&
     git-update-index --add rezrov &&
     git-read-tree -m -u $treeH $treeM &&
     git-ls-files --stage >10.out &&
     cmp M.out 10.out &&
     sum bozbar frotz nitfol >actual10.sum &&
     cmp M.sum actual10.sum'
 
test_expect_success \
    '11 - dirty path removed.' \
    'rm -f .git/index &&
     echo rezrov >rezrov &&
     git-update-index --add rezrov &&
     echo rezrov rezrov >rezrov &&
     if git-read-tree -m -u $treeH $treeM; then false; else :; fi'
 
test_expect_success \
    '12 - unmatching local changes being removed.' \
    'rm -f .git/index &&
     echo rezrov rezrov >rezrov &&
     git-update-index --add rezrov &&
     if git-read-tree -m -u $treeH $treeM; then false; else :; fi'
 
test_expect_success \
    '13 - unmatching local changes being removed.' \
    'rm -f .git/index &&
     echo rezrov rezrov >rezrov &&
     git-update-index --add rezrov &&
     echo rezrov >rezrov &&
     if git-read-tree -m -u $treeH $treeM; then false; else :; fi'
 
cat >expected <<EOF
-100644 X 0	nitfol
+100644 X 0	nitfol
EOF
 
test_expect_success \
    '14 - unchanged in two heads.' \
    'rm -f .git/index &&
     echo nitfol nitfol >nitfol &&
     git-update-index --add nitfol &&
     git-read-tree -m -u $treeH $treeM &&
     git-ls-files --stage >14.out || return 1
     diff --unified=0 M.out 14.out >14diff.out
     compare_change 14diff.out expected &&
     sum bozbar frotz >actual14.sum &&
     grep -v nitfol M.sum > expected14.sum &&
     cmp expected14.sum actual14.sum &&
     sum bozbar frotz nitfol >actual14a.sum &&
     if cmp M.sum actual14a.sum; then false; else :; fi &&
     check_cache_at nitfol clean &&
     echo nitfol nitfol >nitfol1 &&
     diff nitfol nitfol1 &&
     rm -f nitfol1'
 
test_expect_success \
    '15 - unchanged in two heads.' \
    'rm -f .git/index &&
     echo nitfol nitfol >nitfol &&
     git-update-index --add nitfol &&
     echo nitfol nitfol nitfol >nitfol &&
     git-read-tree -m -u $treeH $treeM &&
     git-ls-files --stage >15.out || return 1
     diff --unified=0 M.out 15.out >15diff.out
     compare_change 15diff.out expected &&
     check_cache_at nitfol dirty &&
     sum bozbar frotz >actual15.sum &&
     grep -v nitfol M.sum > expected15.sum &&
     cmp expected15.sum actual15.sum &&
     sum bozbar frotz nitfol >actual15a.sum &&
     if cmp M.sum actual15a.sum; then false; else :; fi &&
     echo nitfol nitfol nitfol >nitfol1 &&
     diff nitfol nitfol1 &&
     rm -f nitfol1'
 
test_expect_success \
    '16 - conflicting local change.' \
    'rm -f .git/index &&
     echo bozbar bozbar >bozbar &&
     git-update-index --add bozbar &&
     if git-read-tree -m -u $treeH $treeM; then false; else :; fi'
 
test_expect_success \
    '17 - conflicting local change.' \
    'rm -f .git/index &&
     echo bozbar bozbar >bozbar &&
     git-update-index --add bozbar &&
     echo bozbar bozbar bozbar >bozbar &&
     if git-read-tree -m -u $treeH $treeM; then false; else :; fi'
 
test_expect_success \
    '18 - local change already having a good result.' \
    'rm -f .git/index &&
     echo gnusto >bozbar &&
     git-update-index --add bozbar &&
     git-read-tree -m -u $treeH $treeM &&
     git-ls-files --stage >18.out &&
     diff --unified=0 M.out 18.out &&
     check_cache_at bozbar clean &&
     sum bozbar frotz nitfol >actual18.sum &&
     cmp M.sum actual18.sum'
 
test_expect_success \
    '19 - local change already having a good result, further modified.' \
    'rm -f .git/index &&
     echo gnusto >bozbar &&
     git-update-index --add bozbar &&
     echo gnusto gnusto >bozbar &&
     git-read-tree -m -u $treeH $treeM &&
     git-ls-files --stage >19.out &&
     diff --unified=0 M.out 19.out &&
     check_cache_at bozbar dirty &&
     sum frotz nitfol >actual19.sum &&
     grep -v bozbar  M.sum > expected19.sum &&
     cmp expected19.sum actual19.sum &&
     sum bozbar frotz nitfol >actual19a.sum &&
     if cmp M.sum actual19a.sum; then false; else :; fi &&
     echo gnusto gnusto >bozbar1 &&
     diff bozbar bozbar1 &&
     rm -f bozbar1'
 
test_expect_success \
    '20 - no local change, use new tree.' \
    'rm -f .git/index &&
     echo bozbar >bozbar &&
     git-update-index --add bozbar &&
     git-read-tree -m -u $treeH $treeM &&
     git-ls-files --stage >20.out &&
     diff --unified=0 M.out 20.out &&
     check_cache_at bozbar clean &&
     sum bozbar frotz nitfol >actual20.sum &&
     cmp M.sum actual20.sum'
 
test_expect_success \
    '21 - no local change, dirty cache.' \
    'rm -f .git/index &&
     echo bozbar >bozbar &&
     git-update-index --add bozbar &&
     echo gnusto gnusto >bozbar &&
     if git-read-tree -m -u $treeH $treeM; then false; else :; fi'
 
# Also make sure we did not break DF vs DF/DF case.
test_expect_success \
    'DF vs DF/DF case setup.' \
    'rm -f .git/index &&
     echo DF >DF &&
     git-update-index --add DF &&
     treeDF=`git-write-tree` &&
     echo treeDF $treeDF &&
     git-ls-tree $treeDF &&
 
     rm -f DF &&
     mkdir DF &&
     echo DF/DF >DF/DF &&
     git-update-index --add --remove DF DF/DF &&
     treeDFDF=`git-write-tree` &&
     echo treeDFDF $treeDFDF &&
     git-ls-tree $treeDFDF &&
     git-ls-files --stage >DFDF.out'
 
test_expect_success \
    'DF vs DF/DF case test.' \
    'rm -f .git/index &&
     rm -fr DF &&
     echo DF >DF &&
     git-update-index --add DF &&
     git-read-tree -m -u $treeDF $treeDFDF &&
     git-ls-files --stage >DFDFcheck.out &&
     diff --unified=0 DFDF.out DFDFcheck.out &&
     check_cache_at DF/DF clean'
 
test_done