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doc branch: provide examples for listing remote tracking branches

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The availability of these pattern selections is not obvious from
the man pages, as per mail thread <87lfz3vcbt.fsf@evledraar.gmail.com>.

Provide examples.

Re-order the `git branch` synopsis to emphasise the `--list <pattern>`
pairing. Also expand and reposition the `all/remotes` options.

Split the over-long description into three parts so that the <pattern>
description can be seen.

Clarify that the `all/remotes` options require the --list if patterns
are to be used.

Add examples of listing remote tracking branches that match a pattern,
including `git for-each-ref` which has more options.

Improve the -a/-r warning message. The message confused this author
as the combined -a and -r options had not been given, though a pattern
had. Specifically guide the user that maybe they needed the --list
option to enable a remote branch pattern selection.

Signed-off-by: Philip Oakley <philipoakley@iee.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Philip Oakley 2019-05-29 00:16:05 +01:00 committed by Junio C Hamano
parent aeb582a983
commit 1fde99cfc7
2 changed files with 28 additions and 7 deletions
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32
Documentation/git-branch.txt
View File

@ -8,12 +8,14 @@ git-branch - List, create, or delete branches
SYNOPSIS
--------
[verse]
'git branch' [--color[=<when>] | --no-color] [-r | -a]
[--list] [-v [--abbrev=<length> | --no-abbrev]]
'git branch' [--color[=<when>] | --no-color]
[-v [--abbrev=<length> | --no-abbrev]]
[--column[=<options>] | --no-column] [--sort=<key>]
[(--merged | --no-merged) [<commit>]]
[--contains [<commit]] [--no-contains [<commit>]]
[--points-at <object>] [--format=<format>] [<pattern>...]
[--points-at <object>] [--format=<format>]
[(-r | --remotes) | (-a | --all)]
[--list] [<pattern>...]
'git branch' [--track | --no-track] [-f] <branchname> [<start-point>]
'git branch' (--set-upstream-to=<upstream> | -u <upstream>) [<branchname>]
'git branch' --unset-upstream [<branchname>]
@ -28,11 +30,15 @@ DESCRIPTION
If `--list` is given, or if there are no non-option arguments, existing
branches are listed; the current branch will be highlighted with an
asterisk. Option `-r` causes the remote-tracking branches to be listed,
and option `-a` shows both local and remote branches. If a `<pattern>`
and option `-a` shows both local and remote branches.
If a `<pattern>`
is given, it is used as a shell wildcard to restrict the output to
matching branches. If multiple patterns are given, a branch is shown if
it matches any of the patterns. Note that when providing a
`<pattern>`, you must use `--list`; otherwise the command is interpreted
it matches any of the patterns.
Note that when providing a
`<pattern>`, you must use `--list`; otherwise the command may be interpreted
as branch creation.
With `--contains`, shows only the branches that contain the named commit
@ -149,10 +155,12 @@ This option is only applicable in non-verbose mode.
-r::
--remotes::
List or delete (if used with -d) the remote-tracking branches.
Combine with `--list` to match the optional pattern(s).
-a::
--all::
List both remote-tracking branches and local branches.
Combine with `--list` to match optional pattern(s).
-l::
--list::
@ -314,6 +322,18 @@ $ git branch -D test <2>
<2> Delete the "test" branch even if the "master" branch (or whichever branch
is currently checked out) does not have all commits from the test branch.
Listing branches from a specific remote::
+
------------
$ git branch -r -l '<remote>/<pattern>' <1>
$ git for-each-ref 'refs/remotes/<remote>/<pattern>' <2>
------------
+
<1> Using `-a` would conflate <remote> with any local branches you happen to
have been prefixed with the same <remote> pattern.
<2> `for-each-ref` can take a wide range of options. See linkgit:git-for-each-ref[1]
Patterns will normally need quoting.
NOTES
-----

3
builtin/branch.c
View File

@ -810,7 +810,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
strbuf_release(&buf);
} else if (argc > 0 && argc <= 2) {
if (filter.kind != FILTER_REFS_BRANCHES)
die(_("-a and -r options to 'git branch' do not make sense with a branch name"));
die(_("The -a, and -r, options to 'git branch' do not take a branch name.\n"
"Did you mean to use: -a|-r --list <pattern>?"));
if (track == BRANCH_TRACK_OVERRIDE)
die(_("the '--set-upstream' option is no longer supported. Please use '--track' or '--set-upstream-to' instead."));