Mercurial > hg
view tests/test-diff-unified.t @ 12890:b1c839659140 stable
revlog: choose best delta for parentdelta (issue2466)
When parentdelta is enabled, we choose the delta that has the minimum
distance to its base. Otherwise, base may be sufficiently far away to
require a full version, resulting in greatly reduced compression.
author | Matt Mackall <mpm@selenic.com> |
---|---|
date | Sat, 30 Oct 2010 02:47:34 -0500 |
parents | 4134686b83e1 |
children | 2b1ec74c961f |
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$ hg init repo $ cd repo $ cat > a <<EOF > c > c > a > a > b > a > a > c > c > EOF $ hg ci -Am adda adding a $ cat > a <<EOF > c > c > a > a > dd > a > a > c > c > EOF default context $ hg diff --nodates diff -r cf9f4ba66af2 a --- a/a +++ b/a @@ -2,7 +2,7 @@ c a a -b +dd a a c invalid --unified $ hg diff --nodates -U foo abort: diff context lines count must be an integer, not 'foo' [255] $ hg diff --nodates -U 2 diff -r cf9f4ba66af2 a --- a/a +++ b/a @@ -3,5 +3,5 @@ a a -b +dd a a $ hg --config diff.unified=2 diff --nodates diff -r cf9f4ba66af2 a --- a/a +++ b/a @@ -3,5 +3,5 @@ a a -b +dd a a $ hg diff --nodates -U 1 diff -r cf9f4ba66af2 a --- a/a +++ b/a @@ -4,3 +4,3 @@ a -b +dd a invalid diff.unified $ hg --config diff.unified=foo diff --nodates abort: diff context lines count must be an integer, not 'foo' [255] test off-by-one error with diff -p $ hg init diffp $ cd diffp $ echo a > a $ hg ci -Ama adding a $ rm a $ echo b > a $ echo a >> a $ echo c >> a $ hg diff -U0 -p --nodates diff -r cb9a9f314b8b a --- a/a +++ b/a @@ -1,0 +1,1 @@ +b @@ -2,0 +3,1 @@ a +c