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authorLibravatar Derrick Stolee <dstolee@microsoft.com>2019-06-18 11:14:36 -0700
committerLibravatar Junio C Hamano <gitster@pobox.com>2019-06-19 20:46:27 -0700
commit16110c9348fc2022e78f2581968cf428c056dc5b (patch)
tree0bf8c25303b5893adc12a8ed3deb23ca3d94ee81 /Documentation/RelNotes/1.7.7.3.txt
parentcommit-graph: test --split across alternate without --split (diff)
downloadtgif-16110c9348fc2022e78f2581968cf428c056dc5b.tar.xz
commit-graph: normalize commit-graph filenames
When writing commit-graph files, we append path data to an object directory, which may be specified by the user via the '--object-dir' option. If the user supplies a trailing slash, or some other alternative path format, the resulting path may be usable for writing to the correct location. However, when expiring graph files from the <obj-dir>/info/commit-graphs directory during a write, we need to compare paths with exact string matches. Normalize the commit-graph filenames to avoid ambiguity. This creates extra allocations, but this is a constant multiple of the number of commit-graph files, which should be a number in the single digits. Further normalize the object directory in the context. Due to a comparison between g->obj_dir and ctx->obj_dir in split_graph_merge_strategy(), a trailing slash would prevent any merging of layers within the same object directory. The check is there to ensure we do not merge across alternates. Update the tests to include a case with this trailing slash problem. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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