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authorÆvar Arnfjörð Bjarmason <avarab@gmail.com>2018-10-10 19:38:18 (GMT)
committerJunio C Hamano <gitster@pobox.com>2018-10-11 06:40:27 (GMT)
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gc doc: mention the commit-graph in the intro
Explicitly mention in the intro that we may be writing supplemental data structures such as the commit-graph during "gc", i.e. to call out the "optimize" part of what this command does, it doesn't just "collect garbage" as the "gc" name might imply. Past changes have updated the intro to reflect new commands, such as mentioning "worktree" in b586a96a39 ("gc.txt: more details about what gc does", 2018-03-15). So let's elaborate on what was added in d5d5d7b641 ("gc: automatically write commit-graph files", 2018-06-27). See also https://public-inbox.org/git/87tvm3go42.fsf@evledraar.gmail.com/ (follow-up replies) for an on-list discussion about what "gc" does. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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diff --git a/Documentation/git-gc.txt b/Documentation/git-gc.txt
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@@ -17,7 +17,8 @@ Runs a number of housekeeping tasks within the current repository,
such as compressing file revisions (to reduce disk space and increase
performance), removing unreachable objects which may have been
created from prior invocations of 'git add', packing refs, pruning
-reflog, rerere metadata or stale working trees.
+reflog, rerere metadata or stale working trees. May also update ancillary
+indexes such as the commit-graph.
Users are encouraged to run this task on a regular basis within
each repository to maintain good disk space utilization and good