tvl-depot/third_party/git/t/t4057-diff-combined-paths.sh
Vincent Ambo f4609b896f merge(3p/git): Merge git subtree at v2.29.2
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
2020-11-21 19:45:56 +01:00

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#!/bin/sh
test_description='combined diff show only paths that are different to all parents'
. ./test-lib.sh
# verify that diffc.expect matches output of
# $(git diff -c --name-only HEAD HEAD^ HEAD^2)
diffc_verify () {
git diff -c --name-only HEAD HEAD^ HEAD^2 >diffc.actual &&
test_cmp diffc.expect diffc.actual
}
test_expect_success 'trivial merge - combine-diff empty' '
for i in $(test_seq 1 9)
do
echo $i >$i.txt &&
git add $i.txt
done &&
git commit -m "init" &&
git checkout -b side &&
for i in $(test_seq 2 9)
do
echo $i/2 >>$i.txt
done &&
git commit -a -m "side 2-9" &&
git checkout master &&
echo 1/2 >1.txt &&
git commit -a -m "master 1" &&
git merge side &&
>diffc.expect &&
diffc_verify
'
test_expect_success 'only one truly conflicting path' '
git checkout side &&
for i in $(test_seq 2 9)
do
echo $i/3 >>$i.txt
done &&
echo "4side" >>4.txt &&
git commit -a -m "side 2-9 +4" &&
git checkout master &&
for i in $(test_seq 1 9)
do
echo $i/3 >>$i.txt
done &&
echo "4master" >>4.txt &&
git commit -a -m "master 1-9 +4" &&
test_must_fail git merge side &&
cat <<-\EOF >4.txt &&
4
4/2
4/3
4master
4side
EOF
git add 4.txt &&
git commit -m "merge side (2)" &&
echo 4.txt >diffc.expect &&
diffc_verify
'
test_expect_success 'merge introduces new file' '
git checkout side &&
for i in $(test_seq 5 9)
do
echo $i/4 >>$i.txt
done &&
git commit -a -m "side 5-9" &&
git checkout master &&
for i in $(test_seq 1 3)
do
echo $i/4 >>$i.txt
done &&
git commit -a -m "master 1-3 +4hello" &&
git merge side &&
echo "Hello World" >4hello.txt &&
git add 4hello.txt &&
git commit --amend &&
echo 4hello.txt >diffc.expect &&
diffc_verify
'
test_expect_success 'merge removed a file' '
git checkout side &&
for i in $(test_seq 5 9)
do
echo $i/5 >>$i.txt
done &&
git commit -a -m "side 5-9" &&
git checkout master &&
for i in $(test_seq 1 3)
do
echo $i/4 >>$i.txt
done &&
git commit -a -m "master 1-3" &&
git merge side &&
git rm 4.txt &&
git commit --amend &&
echo 4.txt >diffc.expect &&
diffc_verify
'
test_done