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https://github.com/git/git.git
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3af828634f
As a general principle, we should not use "git diff" to validate the results of what git command that is being tested has done. We would not know if we are testing the command in question, or locating a bug in the cute hack of "git diff --no-index". Rather use test_cmp for that purpose. Signed-off-by: Junio C Hamano <gitster@pobox.com>
202 lines
4.9 KiB
Bash
Executable File
202 lines
4.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2006 Johannes E. Schindelin
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#
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test_description='git rerere
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'
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. ./test-lib.sh
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cat > a1 << EOF
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Whether 'tis nobler in the mind to suffer
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The slings and arrows of outrageous fortune,
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Or to take arms against a sea of troubles,
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And by opposing end them? To die: to sleep;
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No more; and by a sleep to say we end
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The heart-ache and the thousand natural shocks
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That flesh is heir to, 'tis a consummation
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Devoutly to be wish'd.
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EOF
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git add a1
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git commit -q -a -m initial
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git checkout -b first
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cat >> a1 << EOF
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To die, to sleep;
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To sleep: perchance to dream: ay, there's the rub;
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For in that sleep of death what dreams may come
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When we have shuffled off this mortal coil,
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Must give us pause: there's the respect
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That makes calamity of so long life;
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EOF
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git commit -q -a -m first
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git checkout -b second master
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git show first:a1 |
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sed -e 's/To die, t/To die! T/' > a1
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echo "* END *" >>a1
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git commit -q -a -m second
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test_expect_success 'nothing recorded without rerere' '
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(rm -rf .git/rr-cache; git config rerere.enabled false) &&
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! git merge first &&
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! test -d .git/rr-cache
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'
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# activate rerere, old style
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test_expect_success 'conflicting merge' '
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git reset --hard &&
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mkdir .git/rr-cache &&
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git config --unset rerere.enabled &&
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! git merge first
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'
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sha1=$(sed -e 's/ .*//' .git/rr-cache/MERGE_RR)
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rr=.git/rr-cache/$sha1
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test_expect_success 'recorded preimage' "grep ======= $rr/preimage"
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test_expect_success 'rerere.enabled works, too' '
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rm -rf .git/rr-cache &&
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git config rerere.enabled true &&
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git reset --hard &&
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! git merge first &&
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grep ======= $rr/preimage
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'
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test_expect_success 'no postimage or thisimage yet' \
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"test ! -f $rr/postimage -a ! -f $rr/thisimage"
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test_expect_success 'preimage has right number of lines' '
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cnt=$(sed -ne "/^<<<<<<</,/^>>>>>>>/p" $rr/preimage | wc -l) &&
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test $cnt = 9
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'
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git show first:a1 > a1
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cat > expect << EOF
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--- a/a1
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+++ b/a1
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@@ -6,17 +6,9 @@
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The heart-ache and the thousand natural shocks
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That flesh is heir to, 'tis a consummation
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Devoutly to be wish'd.
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-<<<<<<<
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-To die! To sleep;
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-=======
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To die, to sleep;
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->>>>>>>
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To sleep: perchance to dream: ay, there's the rub;
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For in that sleep of death what dreams may come
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When we have shuffled off this mortal coil,
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Must give us pause: there's the respect
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That makes calamity of so long life;
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-<<<<<<<
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-=======
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-* END *
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->>>>>>>
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EOF
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git rerere diff > out
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test_expect_success 'rerere diff' 'test_cmp expect out'
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cat > expect << EOF
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a1
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EOF
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git rerere status > out
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test_expect_success 'rerere status' 'test_cmp expect out'
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test_expect_success 'commit succeeds' \
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"git commit -q -a -m 'prefer first over second'"
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test_expect_success 'recorded postimage' "test -f $rr/postimage"
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test_expect_success 'another conflicting merge' '
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git checkout -b third master &&
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git show second^:a1 | sed "s/To die: t/To die! T/" > a1 &&
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git commit -q -a -m third &&
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! git pull . first
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'
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git show first:a1 | sed 's/To die: t/To die! T/' > expect
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test_expect_success 'rerere kicked in' "! grep ======= a1"
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test_expect_success 'rerere prefers first change' 'test_cmp a1 expect'
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rm $rr/postimage
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echo "$sha1 a1" | perl -pe 'y/\012/\000/' > .git/rr-cache/MERGE_RR
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test_expect_success 'rerere clear' 'git rerere clear'
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test_expect_success 'clear removed the directory' "test ! -d $rr"
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mkdir $rr
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echo Hello > $rr/preimage
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echo World > $rr/postimage
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sha2=4000000000000000000000000000000000000000
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rr2=.git/rr-cache/$sha2
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mkdir $rr2
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echo Hello > $rr2/preimage
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almost_15_days_ago=$((60-15*86400))
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just_over_15_days_ago=$((-1-15*86400))
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almost_60_days_ago=$((60-60*86400))
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just_over_60_days_ago=$((-1-60*86400))
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test-chmtime =$almost_60_days_ago $rr/preimage
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test-chmtime =$almost_15_days_ago $rr2/preimage
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test_expect_success 'garbage collection (part1)' 'git rerere gc'
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test_expect_success 'young records still live' \
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"test -f $rr/preimage && test -f $rr2/preimage"
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test-chmtime =$just_over_60_days_ago $rr/preimage
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test-chmtime =$just_over_15_days_ago $rr2/preimage
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test_expect_success 'garbage collection (part2)' 'git rerere gc'
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test_expect_success 'old records rest in peace' \
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"test ! -f $rr/preimage && test ! -f $rr2/preimage"
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test_expect_success 'file2 added differently in two branches' '
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git reset --hard &&
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git checkout -b fourth &&
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echo Hallo > file2 &&
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git add file2 &&
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git commit -m version1 &&
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git checkout third &&
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echo Bello > file2 &&
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git add file2 &&
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git commit -m version2 &&
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! git merge fourth &&
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sha1=$(sed -e "s/ .*//" .git/rr-cache/MERGE_RR) &&
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rr=.git/rr-cache/$sha1 &&
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echo Cello > file2 &&
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git add file2 &&
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git commit -m resolution
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'
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test_expect_success 'resolution was recorded properly' '
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git reset --hard HEAD~2 &&
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git checkout -b fifth &&
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echo Hallo > file3 &&
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git add file3 &&
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git commit -m version1 &&
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git checkout third &&
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echo Bello > file3 &&
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git add file3 &&
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git commit -m version2 &&
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! git merge fifth &&
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git diff-files -q &&
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test Cello = "$(cat file3)"
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'
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test_done
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