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#!/bin/sh
test_description='merge simplification'
. ./test-lib.sh
note () {
git tag "$1"
}
unnote () {
git name-rev --tags --stdin | sed -e "s|$_x40 (tags/\([^)]*\)) |\1 |g"
}
test_expect_success setup '
echo "Hi there" >file &&
git add file &&
test_tick && git commit -m "Initial file" &&
note A &&
git branch other-branch &&
echo "Hello" >file &&
git add file &&
test_tick && git commit -m "Modified file" &&
note B &&
git checkout other-branch &&
echo "Hello" >file &&
git add file &&
test_tick && git commit -m "Modified the file identically" &&
note C &&
echo "This is a stupid example" >another-file &&
git add another-file &&
test_tick && git commit -m "Add another file" &&
note D &&
test_tick && git merge -m "merge" master &&
note E &&
echo "Yet another" >elif &&
git add elif &&
test_tick && git commit -m "Irrelevant change" &&
note F &&
git checkout master &&
echo "Yet another" >elif &&
git add elif &&
test_tick && git commit -m "Another irrelevant change" &&
note G &&
test_tick && git merge -m "merge" other-branch &&
note H &&
echo "Final change" >file &&
test_tick && git commit -a -m "Final change" &&
note I &&
git symbolic-ref HEAD refs/heads/unrelated &&
git rm -f "*" &&
echo "Unrelated branch" >side &&
git add side &&
test_tick && git commit -m "Side root" &&
note J &&
git checkout master &&
test_tick && git merge -m "Coolest" unrelated &&
note K &&
echo "Immaterial" >elif &&
git add elif &&
test_tick && git commit -m "Last" &&
note L
'
FMT='tformat:%P %H | %s'
check_outcome () {
outcome=$1
shift
for c in $1
do
echo "$c"
done >expect &&
shift &&
param="$*" &&
test_expect_$outcome "log $param" '
git log --pretty="$FMT" --parents $param |
unnote >actual &&
sed -e "s/^.* \([^ ]*\) .*/\1/" >check <actual &&
test_cmp expect check || {
cat actual
false
}
'
}
check_result () {
check_outcome success "$@"
}
check_result 'L K J I H G F E D C B A' --full-history
check_result 'K I H E C B A' --full-history -- file
check_result 'K I H E C B A' --full-history --topo-order -- file
check_result 'K I H E C B A' --full-history --date-order -- file
check_outcome failure 'I E C B A' --simplify-merges -- file
check_result 'I B A' -- file
check_result 'I B A' --topo-order -- file
check_result 'H' --first-parent -- another-file
test_done
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