"Derrick Stolee via GitGitGadget" <gitgitgadget@xxxxxxxxx> writes: > This depends on ds/graph-assert-fix. > > This is a non-critical (not needed for v2.25.0) response to the previous > discussions [1] [2]. > > While working to resolve the fix for the assert() bug, I noticed this > regression when multiple edges wanted to collapse with horizontal lines. It > takes a reasonably large graph, but real projects are likely to demonstrate > this behavior. > > I arranged the series into two patches: 1. the (failing) test, and 2. the > fix. > > The fix commit includes some details about why the change to compress merge > commits caused this regression, and why I feel relatively confident that > this is a correct resolution. I am not sure if this is "fix" of "bug" in that what is shown without 2/2 (iow, "before this change" in the description of 2/2) is "wrong" per-se---it is just that it leaves room to be made even more compact. It still is an improvement, of course, though. Queued. Thanks. > > Thanks, -Stolee > > [1] > https://lore.kernel.org/git/faa954fa-ccb9-b034-a39d-d2f0696826ea@xxxxxxxxx/T/#t > [2] > https://lore.kernel.org/git/xmqqk1635gwu.fsf@xxxxxxxxxxxxxxxxxxxxxxxxx/T/#t > > Derrick Stolee (2): > graph: add test to demonstrate horizontal line bug > graph: fix collapse of multiple edges > > graph.c | 10 ++++-- > t/t4215-log-skewed-merges.sh | 62 ++++++++++++++++++++++++++++++++++++ > 2 files changed, 70 insertions(+), 2 deletions(-) > > > base-commit: aa2121af50498c7ea9d5c4c87f9dc66605bf772b > Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-518%2Fderrickstolee%2Fgraph-horizontal-fix-v1 > Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-518/derrickstolee/graph-horizontal-fix-v1 > Pull-Request: https://github.com/gitgitgadget/git/pull/518