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revisions.txt: mark optional rev arguments with [] 

In revisions.txt, an optional rev argument was not distinguised.
Instead, a user had to continue and read the description in order to
learn that the argument was optional.

Since the [] notation for an optional argument is common-knowledge in
the Git documentation, mark optional arguments with [] so that it's more
obvious for the reader.

Helped-by: Andreas Heiduk <asheiduk@gmail.com>
Signed-off-by: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Denton Liu 2019-05-05 12:07:03 -04:00 committed by Junio C Hamano
parent e277ff43d3
commit d86d207471
1 changed files with 5 additions and 5 deletions
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10
Documentation/revisions.txt
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@ -65,7 +65,7 @@ some output processing may assume ref names in UTF-8.
'@'::
'@' alone is a shortcut for `HEAD`.

'<refname>@{<date>}', e.g. 'master@\{yesterday\}', 'HEAD@{5 minutes ago}'::
'[<refname>]@{<date>}', e.g. 'master@\{yesterday\}', 'HEAD@{5 minutes ago}'::
A ref followed by the suffix '@' with a date specification
enclosed in a brace
pair (e.g. '\{yesterday\}', '{1 month 2 weeks 3 days 1 hour 1
@ -95,7 +95,7 @@ some output processing may assume ref names in UTF-8.
The construct '@{-<n>}' means the <n>th branch/commit checked out
before the current one.

'<branchname>@\{upstream\}', e.g. 'master@\{upstream\}', '@\{u\}'::
'[<branchname>]@\{upstream\}', e.g. 'master@\{upstream\}', '@\{u\}'::
The suffix '@\{upstream\}' to a branchname (short form '<branchname>@\{u\}')
refers to the branch that the branch specified by branchname is set to build on
top of (configured with `branch.<name>.remote` and
@ -103,7 +103,7 @@ some output processing may assume ref names in UTF-8.
current one. These suffixes are also accepted when spelled in uppercase, and
they mean the same thing no matter the case.

'<branchname>@\{push\}', e.g. 'master@\{push\}', '@\{push\}'::
'[<branchname>]@\{push\}', e.g. 'master@\{push\}', '@\{push\}'::
The suffix '@\{push}' reports the branch "where we would push to" if
`git push` were run while `branchname` was checked out (or the current
`HEAD` if no branchname is specified). Since our push destination is
@ -131,7 +131,7 @@ from one location and push to another. In a non-triangular workflow,
This suffix is also accepted when spelled in uppercase, and means the same
thing no matter the case.

'<rev>{caret}', e.g. 'HEAD{caret}, v1.5.1{caret}0'::
'<rev>{caret}[<n>]', e.g. 'HEAD{caret}, v1.5.1{caret}0'::
A suffix '{caret}' to a revision parameter means the first parent of
that commit object. '{caret}<n>' means the <n>th parent (i.e.
'<rev>{caret}'
@ -301,7 +301,7 @@ The 'r1{caret}@' notation means all parents of 'r1'.
The 'r1{caret}!' notation includes commit 'r1' but excludes all of its parents.
By itself, this notation denotes the single commit 'r1'.

The '<rev>{caret}-<n>' notation includes '<rev>' but excludes the <n>th
The '<rev>{caret}-[<n>]' notation includes '<rev>' but excludes the <n>th
parent (i.e. a shorthand for '<rev>{caret}<n>..<rev>'), with '<n>' = 1 if
not given. This is typically useful for merge commits where you
can just pass '<commit>{caret}-' to get all the commits in the branch