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ea5070c91f
The option can be used to check if read-tree with the same set of other options like "-m" and "-u" would succeed without actually changing either the index or the working tree. The relevant tests in the t10?? range were extended to do a read-tree -n before the real read-tree to make sure neither the index nor any local files were changed with -n and the same exit code as without -n is returned. The helper functions added for that purpose reside in the new t/lib-read-tree.sh file. The only exception is #13 in t1004 ("unlinking an un-unlink-able symlink"). As this is an issue of wrong directory permissions it is not detected with -n. Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
345 lines
12 KiB
Bash
Executable file
345 lines
12 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2005 Junio C Hamano
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#
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test_description='Two way merge with read-tree -m -u $H $M
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This is identical to t1001, but uses -u to update the work tree as well.
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'
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. ./test-lib.sh
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. "$TEST_DIRECTORY"/lib-read-tree.sh
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compare_change () {
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sed >current \
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-e '1{/^diff --git /d;}' \
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-e '2{/^index /d;}' \
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-e '/^--- /d; /^+++ /d; /^@@ /d;' \
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-e 's/^\(.[0-7][0-7][0-7][0-7][0-7][0-7]\) '"$_x40"' /\1 X /' "$1"
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test_cmp expected current
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}
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check_cache_at () {
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clean_if_empty=`git diff-files -- "$1"`
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case "$clean_if_empty" in
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'') echo "$1: clean" ;;
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?*) echo "$1: dirty" ;;
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esac
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case "$2,$clean_if_empty" in
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clean,) : ;;
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clean,?*) false ;;
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dirty,) false ;;
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dirty,?*) : ;;
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esac
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}
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test_expect_success \
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setup \
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'echo frotz >frotz &&
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echo nitfol >nitfol &&
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echo bozbar >bozbar &&
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echo rezrov >rezrov &&
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git update-index --add nitfol bozbar rezrov &&
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treeH=`git write-tree` &&
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echo treeH $treeH &&
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git ls-tree $treeH &&
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echo gnusto >bozbar &&
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git update-index --add frotz bozbar --force-remove rezrov &&
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git ls-files --stage >M.out &&
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treeM=`git write-tree` &&
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echo treeM $treeM &&
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git ls-tree $treeM &&
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sum bozbar frotz nitfol >M.sum &&
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git diff-tree $treeH $treeM'
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test_expect_success \
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'1, 2, 3 - no carry forward' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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read_tree_u_must_succeed -m -u $treeH $treeM &&
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git ls-files --stage >1-3.out &&
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cmp M.out 1-3.out &&
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sum bozbar frotz nitfol >actual3.sum &&
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cmp M.sum actual3.sum &&
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check_cache_at bozbar clean &&
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check_cache_at frotz clean &&
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check_cache_at nitfol clean'
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test_expect_success \
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'4 - carry forward local addition.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo "+100644 X 0 yomin" >expected &&
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echo yomin >yomin &&
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git update-index --add yomin &&
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read_tree_u_must_succeed -m -u $treeH $treeM &&
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git ls-files --stage >4.out || return 1
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git diff -U0 --no-index M.out 4.out >4diff.out
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compare_change 4diff.out expected &&
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check_cache_at yomin clean &&
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sum bozbar frotz nitfol >actual4.sum &&
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cmp M.sum actual4.sum &&
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echo yomin >yomin1 &&
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diff yomin yomin1 &&
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rm -f yomin1'
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test_expect_success \
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'5 - carry forward local addition.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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read_tree_u_must_succeed -m -u $treeH &&
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echo yomin >yomin &&
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git update-index --add yomin &&
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echo yomin yomin >yomin &&
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read_tree_u_must_succeed -m -u $treeH $treeM &&
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git ls-files --stage >5.out || return 1
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git diff -U0 --no-index M.out 5.out >5diff.out
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compare_change 5diff.out expected &&
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check_cache_at yomin dirty &&
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sum bozbar frotz nitfol >actual5.sum &&
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cmp M.sum actual5.sum &&
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: dirty index should have prevented -u from checking it out. &&
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echo yomin yomin >yomin1 &&
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diff yomin yomin1 &&
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rm -f yomin1'
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test_expect_success \
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'6 - local addition already has the same.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo frotz >frotz &&
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git update-index --add frotz &&
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read_tree_u_must_succeed -m -u $treeH $treeM &&
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git ls-files --stage >6.out &&
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test_cmp M.out 6.out &&
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check_cache_at frotz clean &&
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sum bozbar frotz nitfol >actual3.sum &&
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cmp M.sum actual3.sum &&
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echo frotz >frotz1 &&
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diff frotz frotz1 &&
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rm -f frotz1'
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test_expect_success \
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'7 - local addition already has the same.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo frotz >frotz &&
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git update-index --add frotz &&
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echo frotz frotz >frotz &&
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read_tree_u_must_succeed -m -u $treeH $treeM &&
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git ls-files --stage >7.out &&
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test_cmp M.out 7.out &&
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check_cache_at frotz dirty &&
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sum bozbar frotz nitfol >actual7.sum &&
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if cmp M.sum actual7.sum; then false; else :; fi &&
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: dirty index should have prevented -u from checking it out. &&
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echo frotz frotz >frotz1 &&
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diff frotz frotz1 &&
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rm -f frotz1'
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test_expect_success \
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'8 - conflicting addition.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo frotz frotz >frotz &&
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git update-index --add frotz &&
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if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
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test_expect_success \
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'9 - conflicting addition.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo frotz frotz >frotz &&
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git update-index --add frotz &&
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echo frotz >frotz &&
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if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
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test_expect_success \
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'10 - path removed.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo rezrov >rezrov &&
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git update-index --add rezrov &&
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read_tree_u_must_succeed -m -u $treeH $treeM &&
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git ls-files --stage >10.out &&
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cmp M.out 10.out &&
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sum bozbar frotz nitfol >actual10.sum &&
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cmp M.sum actual10.sum'
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test_expect_success \
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'11 - dirty path removed.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo rezrov >rezrov &&
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git update-index --add rezrov &&
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echo rezrov rezrov >rezrov &&
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if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
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test_expect_success \
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'12 - unmatching local changes being removed.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo rezrov rezrov >rezrov &&
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git update-index --add rezrov &&
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if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
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test_expect_success \
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'13 - unmatching local changes being removed.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo rezrov rezrov >rezrov &&
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git update-index --add rezrov &&
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echo rezrov >rezrov &&
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if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
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cat >expected <<EOF
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-100644 X 0 nitfol
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+100644 X 0 nitfol
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EOF
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test_expect_success \
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'14 - unchanged in two heads.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo nitfol nitfol >nitfol &&
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git update-index --add nitfol &&
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read_tree_u_must_succeed -m -u $treeH $treeM &&
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git ls-files --stage >14.out &&
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test_must_fail git diff -U0 --no-index M.out 14.out >14diff.out &&
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compare_change 14diff.out expected &&
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sum bozbar frotz >actual14.sum &&
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grep -v nitfol M.sum > expected14.sum &&
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cmp expected14.sum actual14.sum &&
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sum bozbar frotz nitfol >actual14a.sum &&
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if cmp M.sum actual14a.sum; then false; else :; fi &&
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check_cache_at nitfol clean &&
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echo nitfol nitfol >nitfol1 &&
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diff nitfol nitfol1 &&
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rm -f nitfol1'
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test_expect_success \
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'15 - unchanged in two heads.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo nitfol nitfol >nitfol &&
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git update-index --add nitfol &&
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echo nitfol nitfol nitfol >nitfol &&
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read_tree_u_must_succeed -m -u $treeH $treeM &&
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git ls-files --stage >15.out &&
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test_must_fail git diff -U0 --no-index M.out 15.out >15diff.out &&
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compare_change 15diff.out expected &&
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check_cache_at nitfol dirty &&
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sum bozbar frotz >actual15.sum &&
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grep -v nitfol M.sum > expected15.sum &&
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cmp expected15.sum actual15.sum &&
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sum bozbar frotz nitfol >actual15a.sum &&
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if cmp M.sum actual15a.sum; then false; else :; fi &&
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echo nitfol nitfol nitfol >nitfol1 &&
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diff nitfol nitfol1 &&
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rm -f nitfol1'
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test_expect_success \
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'16 - conflicting local change.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo bozbar bozbar >bozbar &&
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git update-index --add bozbar &&
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if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
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test_expect_success \
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'17 - conflicting local change.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo bozbar bozbar >bozbar &&
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git update-index --add bozbar &&
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echo bozbar bozbar bozbar >bozbar &&
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if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
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test_expect_success \
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'18 - local change already having a good result.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo gnusto >bozbar &&
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git update-index --add bozbar &&
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read_tree_u_must_succeed -m -u $treeH $treeM &&
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git ls-files --stage >18.out &&
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test_cmp M.out 18.out &&
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check_cache_at bozbar clean &&
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sum bozbar frotz nitfol >actual18.sum &&
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cmp M.sum actual18.sum'
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test_expect_success \
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'19 - local change already having a good result, further modified.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo gnusto >bozbar &&
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git update-index --add bozbar &&
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echo gnusto gnusto >bozbar &&
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read_tree_u_must_succeed -m -u $treeH $treeM &&
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git ls-files --stage >19.out &&
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test_cmp M.out 19.out &&
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check_cache_at bozbar dirty &&
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sum frotz nitfol >actual19.sum &&
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grep -v bozbar M.sum > expected19.sum &&
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cmp expected19.sum actual19.sum &&
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sum bozbar frotz nitfol >actual19a.sum &&
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if cmp M.sum actual19a.sum; then false; else :; fi &&
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echo gnusto gnusto >bozbar1 &&
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diff bozbar bozbar1 &&
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rm -f bozbar1'
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test_expect_success \
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'20 - no local change, use new tree.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo bozbar >bozbar &&
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git update-index --add bozbar &&
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read_tree_u_must_succeed -m -u $treeH $treeM &&
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git ls-files --stage >20.out &&
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test_cmp M.out 20.out &&
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check_cache_at bozbar clean &&
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sum bozbar frotz nitfol >actual20.sum &&
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cmp M.sum actual20.sum'
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test_expect_success \
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'21 - no local change, dirty cache.' \
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'rm -f .git/index nitfol bozbar rezrov frotz &&
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read_tree_u_must_succeed --reset -u $treeH &&
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echo bozbar >bozbar &&
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git update-index --add bozbar &&
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echo gnusto gnusto >bozbar &&
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if read_tree_u_must_succeed -m -u $treeH $treeM; then false; else :; fi'
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# Also make sure we did not break DF vs DF/DF case.
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test_expect_success \
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'DF vs DF/DF case setup.' \
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'rm -f .git/index &&
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echo DF >DF &&
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git update-index --add DF &&
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treeDF=`git write-tree` &&
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echo treeDF $treeDF &&
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git ls-tree $treeDF &&
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rm -f DF &&
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mkdir DF &&
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echo DF/DF >DF/DF &&
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git update-index --add --remove DF DF/DF &&
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treeDFDF=`git write-tree` &&
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echo treeDFDF $treeDFDF &&
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git ls-tree $treeDFDF &&
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git ls-files --stage >DFDF.out'
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test_expect_success \
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'DF vs DF/DF case test.' \
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'rm -f .git/index &&
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rm -fr DF &&
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echo DF >DF &&
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git update-index --add DF &&
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read_tree_u_must_succeed -m -u $treeDF $treeDFDF &&
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git ls-files --stage >DFDFcheck.out &&
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test_cmp DFDF.out DFDFcheck.out &&
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check_cache_at DF/DF clean'
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test_done
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