Mercurial > hg
changeset 45429:9c8d2cf7f591
test-grep: document that trivially moved lines might not be detected
I'm not going to fix this. I just learned "grep --diff" does clever thing
than a simple grep(patch.diff(context=0)), and I think it's better to
document how things work.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Tue, 08 Sep 2020 21:38:10 +0900 |
| parents | 9b9071fabcd3 |
| children | e47385ef4e17 |
| files | tests/test-grep.t |
| diffstat | 1 files changed, 43 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/tests/test-grep.t Wed Sep 09 11:51:51 2020 +0900 +++ b/tests/test-grep.t Tue Sep 08 21:38:10 2020 +0900 @@ -640,6 +640,49 @@ $ cd .. +Moved line may not be collected by "grep --diff" since it first filters +the contents to be diffed by the pattern. (i.e. +"diff <(grep pat a) <(grep pat b)", not "diff a b | grep pat".) +This is much faster than generating full diff per revision. + + $ hg init moved-line + $ cd moved-line + $ cat <<'EOF' > a + > foo + > bar + > baz + > EOF + $ hg ci -Am initial + adding a + $ cat <<'EOF' > a + > bar + > baz + > foo + > EOF + $ hg ci -m reorder + + $ hg diff -c 1 + diff -r a593cc55e81b -r 69789a3b6e80 a + --- a/a Thu Jan 01 00:00:00 1970 +0000 + +++ b/a Thu Jan 01 00:00:00 1970 +0000 + @@ -1,3 +1,3 @@ + -foo + bar + baz + +foo + + can't find the move of "foo" at the revision 1: + + $ hg grep --diff foo -r1 + [1] + + "bar" isn't moved at the revisoin 1: + + $ hg grep --diff bar -r1 + [1] + + $ cd .. + Test for showing working of allfiles flag $ hg init sng