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| -rwxr-xr-x | t/t4057-diff-combined-paths.sh | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/t/t4057-diff-combined-paths.sh b/t/t4057-diff-combined-paths.sh new file mode 100755 index 0000000000..097e63215e --- /dev/null +++ b/t/t4057-diff-combined-paths.sh @@ -0,0 +1,106 @@ +#!/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 trully 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 |