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Derrick Stolee 96eaffebbf maintenance: set log.excludeDecoration durin prefetch 
The 'prefetch' task fetches refs from all remotes and places them in the
refs/prefetch/<remote>/ refspace. As this task is intended to run in the
background, this allows users to keep their local data very close to the
remote servers' data while not updating the users' understanding of the
remote refs in refs/remotes/<remote>/.

However, this can clutter 'git log' decorations with copies of the refs
with the full name 'refs/prefetch/<remote>/<branch>'.

The log.excludeDecoration config option was added in a6be5e67 (log: add
log.excludeDecoration config option, 2020-05-16) for exactly this
purpose.

Ensure we set this only for users that would benefit from it by
assigning it at the beginning of the prefetch task. Other alternatives
would be during 'git maintenance register' or 'git maintenance start',
but those might assign the config even when the prefetch task is
disabled by existing config. Further, users could run 'git maintenance
run --task=prefetch' using their own scripting or scheduling. This
provides the best coverage to automatically update the config when
valuable.

It is improbable, but possible, that users might want to run the
prefetch task _and_ see these refs in their log decorations. This seems
incredibly unlikely to me, but users can always opt-in on a
command-by-command basis using --decorate-refs=refs/prefetch/.

Test that this works in a few cases. In particular, ensure that our
assignment of log.excludeDecoration=refs/prefetch/ is additive to other
existing exclusions. Further, ensure we do not add multiple copies in
multiple runs.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-01-20 18:46:22 -08:00
..
add.c drop unused argc parameters 2020-09-30 12:53:47 -07:00
am.c builtin/*: update usage format 2021-01-06 15:10:49 -08:00
annotate.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
apply.c
archive.c pack-protocol.txt: accept error packets in any context 2019-01-02 13:05:30 -08:00
bisect--helper.c Merge branch 'mr/bisect-in-c-3' 2020-11-09 14:06:25 -08:00
blame.c builtin/*: update usage format 2021-01-06 15:10:49 -08:00
branch.c Merge branch 'js/init-defaultbranch-advice' 2020-12-18 15:15:17 -08:00
bugreport.c builtin/bugreport.c: use thread-safe localtime_r() 2020-12-01 13:05:37 -08:00
bundle.c Merge branch 'bc/sha-256-part-3' 2020-08-11 18:04:11 -07:00
cat-file.c Merge branch 'cc/cat-file-usage-update' into master 2020-07-09 14:00:41 -07:00
check-attr.c cache.h: flip NO_THE_INDEX_COMPATIBILITY_MACROS switch 2019-01-24 11:55:06 -08:00
check-ignore.c dir: fix problematic API to avoid memory leaks 2020-08-18 17:17:31 -07:00
check-mailmap.c
check-ref-format.c
checkout-index.c checkout-index: propagate errors to exit code 2020-10-27 12:41:56 -07:00
checkout.c Merge branch 'dl/checkout-p-merge-base' 2020-12-23 13:59:46 -08:00
clean.c quote_path: give flags parameter to quote_path() 2020-09-10 10:49:19 -07:00
clone.c Merge branch 'js/init-defaultbranch-advice' 2020-12-18 15:15:17 -08:00
column.c builtin: consistently pass cmd_* prefix to parse_options 2019-05-13 14:22:53 +09:00
commit-graph.c builtin/*: update usage format 2021-01-06 15:10:49 -08:00
commit-tree.c Use OPT_CALLBACK and OPT_CALLBACK_F 2020-04-28 10:47:10 -07:00
commit.c Documentation: stylistically normalize references to Signed-off-by: 2020-10-20 11:57:40 -07:00
config.c config: implement --fixed-value with --get* 2020-11-25 14:43:48 -08:00
count-objects.c rename "alternate_object_database" to "object_directory" 2018-11-13 14:22:02 +09:00
credential-cache--daemon.c make credential helpers builtins 2020-08-13 11:02:08 -07:00
credential-cache.c Merge branch 'jc/undash-in-tree-git-callers' 2020-09-03 12:37:03 -07:00
credential-store.c crendential-store: use timeout when locking file 2020-11-25 12:30:18 -08:00
credential.c credential: load default config 2020-10-16 12:30:45 -07:00
describe.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
diff-files.c diff-files: treat "i-t-a" files as "not-in-index" 2020-06-22 10:46:45 -07:00
diff-index.c builtin/diff-index: learn --merge-base 2020-09-20 21:30:26 -07:00
diff-tree.c builtin/diff-tree: learn --merge-base 2020-09-21 13:37:03 -07:00
diff.c Merge branch 'dl/diff-merge-base' 2020-11-02 13:17:39 -08:00
difftool.c Use new HASHMAP_INIT macro to simplify hashmap initialization 2020-11-11 12:55:27 -08:00
env--helper.c assert PARSE_OPT_NONEG in parse-options callbacks 2020-09-30 12:53:47 -07:00
fast-export.c builtin/*: update usage format 2021-01-06 15:10:49 -08:00
fast-import.c Merge branch 'jk/fast-import-marks-cleanup' 2020-11-02 13:17:40 -08:00
fetch-pack.c fetch-pack: remove no_dependents code 2020-08-18 16:46:53 -07:00
fetch.c hashmap: provide deallocation function names 2020-11-02 12:15:50 -08:00
fmt-merge-msg.c Lib-ify fmt-merge-msg 2020-03-24 15:04:43 -07:00
for-each-ref.c ref-filter: allow merged and no-merged filters 2020-09-16 12:38:10 -07:00
for-each-repo.c for-each-repo: do nothing on empty config 2021-01-07 19:12:02 -08:00
fsck.c fsck: do not lazy fetch known non-promisor object 2020-08-06 13:01:03 -07:00
gc.c maintenance: set log.excludeDecoration durin prefetch 2021-01-20 18:46:22 -08:00
get-tar-commit-id.c builtin/get-tar-commit-id: make hash size independent 2019-04-01 11:57:39 +09:00
grep.c grep: use designated initializers for grep_defaults 2020-11-21 14:50:33 -08:00
hash-object.c builtin: consistently pass cmd_* prefix to parse_options 2019-05-13 14:22:53 +09:00
help.c help: drop usage of 'common' and 'useful' for guides 2020-08-04 18:34:01 -07:00
index-pack.c object-file.c: rename from sha1-file.c 2021-01-04 13:01:55 -08:00
init-db.c get_default_branch_name(): prepare for showing some advice 2020-12-13 15:53:50 -08:00
interpret-trailers.c Use OPT_CALLBACK and OPT_CALLBACK_F 2020-04-28 10:47:10 -07:00
log.c builtin/*: update usage format 2021-01-06 15:10:49 -08:00
ls-files.c dir: fix problematic API to avoid memory leaks 2020-08-18 17:17:31 -07:00
ls-remote.c Merge branch 'jk/unleak-fixes' 2020-08-24 14:54:30 -07:00
ls-tree.c Merge branch 'nd/attr-pathspec-in-tree-walk' 2019-01-14 15:29:28 -08:00
mailinfo.c
mailsplit.c
merge-base.c rebase: --fork-point regression fix 2020-02-11 09:59:39 -08:00
merge-file.c assert NOARG/NONEG behavior of parse-options callbacks 2018-11-06 12:56:29 +09:00
merge-index.c cache.h: flip NO_THE_INDEX_COMPATIBILITY_MACROS switch 2019-01-24 11:55:06 -08:00
merge-ours.c cache.h: flip NO_THE_INDEX_COMPATIBILITY_MACROS switch 2019-01-24 11:55:06 -08:00
merge-recursive.c Ensure index matches head before invoking merge machinery, round N 2019-08-19 10:08:03 -07:00
merge-tree.c merge-base, xdiff: zero out xpparam_t structures 2020-10-20 12:53:26 -07:00
merge.c Merge branch 'en/merge-ort-api-null-impl' 2020-11-18 13:32:53 -08:00
mktag.c sha1-file: allow check_object_signature() to handle any repo 2020-01-31 10:45:39 -08:00
mktree.c mktree: drop unused length parameter 2019-05-13 14:22:54 +09:00
multi-pack-index.c multi-pack-index: add [--[no-]progress] option. 2019-10-23 12:05:06 +09:00
mv.c git-mv: improve error message for conflicted file 2020-07-20 14:35:43 -07:00
name-rev.c hash-lookup: rename from sha1-lookup 2021-01-04 13:01:55 -08:00
notes.c Use OPT_CALLBACK and OPT_CALLBACK_F 2020-04-28 10:47:10 -07:00
pack-objects.c pack-bitmap-write: ignore BITMAP_FLAG_REUSE 2020-12-08 14:48:17 -08:00
pack-redundant.c Merge branch 'jx/pack-redundant-on-single-pack' 2020-12-23 13:59:46 -08:00
pack-refs.c Honor core.precomposeUnicode in more places 2019-04-26 10:54:03 +09:00
patch-id.c patch-id: use oid_to_hex() to print multiple object IDs 2019-12-09 12:26:40 -08:00
prune-packed.c Lib-ify prune-packed 2020-03-24 15:04:44 -07:00
prune.c Merge branch 'tb/shallow-cleanup' 2020-05-13 12:19:18 -07:00
pull.c pull: display default warning only when non-ff 2020-12-15 17:39:42 -08:00
push.c Merge branch 'sk/force-if-includes' 2020-10-27 15:09:49 -07:00
range-diff.c strvec: convert builtin/ callers away from argv_array name 2020-07-28 15:02:18 -07:00
read-tree.c Use OPT_CALLBACK and OPT_CALLBACK_F 2020-04-28 10:47:10 -07:00
rebase.c Merge branch 'rs/rebase-commit-validation' 2021-01-15 15:20:29 -08:00
receive-pack.c Merge branch 'js/trace2-session-id' 2020-12-08 15:11:20 -08:00
reflog.c Merge branch 'es/get-worktrees-unsort' 2020-07-06 22:09:15 -07:00
remote-ext.c strvec: convert builtin/ callers away from argv_array name 2020-07-28 15:02:18 -07:00
remote-fd.c
remote.c config: convert multi_replace to flags 2020-11-25 14:43:47 -08:00
repack.c builtin/repack.c: don't move existing packs out of the way 2020-11-17 13:31:55 -08:00
replace.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
rerere.c Merge branch 'nd/the-index' into md/list-objects-filter-by-depth 2019-01-15 15:38:29 -08:00
reset.c wt-status: tolerate dangling marks 2020-09-02 14:39:25 -07:00
rev-list.c bisect: combine args passed to find_bisection() 2020-08-07 15:13:03 -07:00
rev-parse.c rev-parse: add option for absolute or relative path formatting 2020-12-12 23:35:51 -08:00
revert.c Merge branch 'en/merge-ort-api-null-impl' 2020-11-18 13:32:53 -08:00
rm.c rm: support the --pathspec-from-file option 2020-02-19 10:56:49 -08:00
send-pack.c push: parse and set flag for "--force-if-includes" 2020-10-03 09:59:19 -07:00
shortlog.c builtin/*: update usage format 2021-01-06 15:10:49 -08:00
show-branch.c Merge branch 'jt/interpret-branch-name-fallback' 2020-09-09 13:53:09 -07:00
show-index.c builtin/show-index: provide options to determine hash algo 2020-05-27 10:07:07 -07:00
show-ref.c Use OPT_CALLBACK and OPT_CALLBACK_F 2020-04-28 10:47:10 -07:00
sparse-checkout.c sparse-checkout: fill in some options boilerplate 2020-09-30 12:53:48 -07:00
stash.c Merge branch 'en/stash-apply-sparse-checkout' 2021-01-15 15:20:29 -08:00
stripspace.c stripspace: allow -s/-c outside git repository 2018-12-26 15:41:47 -08:00
submodule--helper.c builtin/*: update usage format 2021-01-06 15:10:49 -08:00
symbolic-ref.c
tag.c ref-filter: allow merged and no-merged filters 2020-09-16 12:38:10 -07:00
unpack-file.c
unpack-objects.c sha1-file: pass git_hash_algo to hash_object_file() 2020-01-31 10:45:39 -08:00
update-index.c Use OPT_CALLBACK and OPT_CALLBACK_F 2020-04-28 10:47:10 -07:00
update-ref.c update-ref: disallow "start" for ongoing transactions 2020-11-16 13:44:01 -08:00
update-server-info.c
upload-archive.c strvec: rename struct fields 2020-07-30 19:18:06 -07:00
upload-pack.c builtin: consistently pass cmd_* prefix to parse_options 2019-05-13 14:22:53 +09:00
var.c
verify-commit.c Merge branch 'jk/no-system-includes-in-dot-c' 2019-07-31 14:38:56 -07:00
verify-pack.c Merge branch 'bc/sha-256-part-3' 2020-08-11 18:04:11 -07:00
verify-tag.c verify-tag: drop signal.h include 2019-06-19 08:19:21 -07:00
worktree.c worktree: teach repair to fix multi-directional breakage 2020-12-21 13:44:28 -08:00
write-tree.c cmd_{read,write}_tree: rename "unused" variable that is used 2019-05-13 14:22:53 +09:00