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Merge branch 'vd/for-each-ref-unsorted-optimization'

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"git for-each-ref --no-sort" still sorted the refs alphabetically
which paid non-trivial cost.  It has been redefined to show output
in an unspecified order, to allow certain optimizations to take
advantage of.

* vd/for-each-ref-unsorted-optimization:
  t/perf: add perf tests for for-each-ref
  ref-filter.c: use peeled tag for '*' format fields
  for-each-ref: clean up documentation of --format
  ref-filter.c: filter & format refs in the same callback
  ref-filter.c: refactor to create common helper functions
  ref-filter.c: rename 'ref_filter_handler()' to 'filter_one()'
  ref-filter.h: add functions for filter/format & format-only
  ref-filter.h: move contains caches into filter
  ref-filter.h: add max_count and omit_empty to ref_format
  ref-filter.c: really don't sort when using --no-sort
This commit is contained in:
Junio C Hamano
2023-12-09 16:37:50 -08:00
parent e020e55a62 294bfc2441
commit 98d0a1f93e
12 changed files with 523 additions and 180 deletions
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23
Documentation/git-for-each-ref.txt
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@ -51,17 +51,14 @@ OPTIONS
key.
--format=<format>::
A string that interpolates `%(fieldname)` from a ref being shown
and the object it points at. If `fieldname`
is prefixed with an asterisk (`*`) and the ref points
at a tag object, use the value for the field in the object
which the tag object refers to (instead of the field in the tag object).
When unspecified, `<format>` defaults to
`%(objectname) SPC %(objecttype) TAB %(refname)`.
It also interpolates `%%` to `%`, and `%xx` where `xx`
are hex digits interpolates to character with hex code
`xx`; for example `%00` interpolates to `\0` (NUL),
`%09` to `\t` (TAB) and `%0a` to `\n` (LF).
A string that interpolates `%(fieldname)` from a ref being shown and
the object it points at. In addition, the string literal `%%`
renders as `%` and `%xx` - where `xx` are hex digits - renders as
the character with hex code `xx`. For example, `%00` interpolates to
`\0` (NUL), `%09` to `\t` (TAB), and `%0a` to `\n` (LF).
+
When unspecified, `<format>` defaults to `%(objectname) SPC %(objecttype)
TAB %(refname)`.
--color[=<when>]::
Respect any colors specified in the `--format` option. The
@ -298,6 +295,10 @@ fields will correspond to the appropriate date or name-email-date tuple
from the `committer` or `tagger` fields depending on the object type.
These are intended for working on a mix of annotated and lightweight tags.
For tag objects, a `fieldname` prefixed with an asterisk (`*`) expands to
the `fieldname` value of the peeled object, rather than that of the tag
object itself.
Fields that have name-email-date tuple as its value (`author`,
`committer`, and `tagger`) can be suffixed with `name`, `email`,
and `date` to extract the named component. For email fields (`authoremail`,