Merge branch 'dl/rev-tilde-doc-clarify'
Docfix.
* dl/rev-tilde-doc-clarify:
revisions.txt: remove ambibuity between <rev>:<path> and :<path>
revisions.txt: mention <rev>~ form
revisions.txt: mark optional rev arguments with []
revisions.txt: change "rev" to "<rev>"
diff --git a/Documentation/revisions.txt b/Documentation/revisions.txt
index 2337a99..82c1e57 100644
--- a/Documentation/revisions.txt
+++ b/Documentation/revisions.txt
@@ -65,7 +65,7 @@
'@'::
'@' 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 @@
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 @@
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 @@
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}'
@@ -139,7 +139,9 @@
'<rev>{caret}0' means the commit itself and is used when '<rev>' is the
object name of a tag object that refers to a commit object.
-'<rev>{tilde}<n>', e.g. 'master{tilde}3'::
+'<rev>{tilde}[<n>]', e.g. 'HEAD{tilde}, master{tilde}3'::
+ A suffix '{tilde}' to a revision parameter means the first parent of
+ that commit object.
A suffix '{tilde}<n>' to a revision parameter means the commit
object that is the <n>th generation ancestor of the named
commit object, following only the first parents. I.e. '<rev>{tilde}3' is
@@ -159,12 +161,12 @@
'<rev>{caret}0'
is a short-hand for '<rev>{caret}\{commit\}'.
+
-'rev{caret}\{object\}' can be used to make sure 'rev' names an
-object that exists, without requiring 'rev' to be a tag, and
-without dereferencing 'rev'; because a tag is already an object,
+'<rev>{caret}\{object\}' can be used to make sure '<rev>' names an
+object that exists, without requiring '<rev>' to be a tag, and
+without dereferencing '<rev>'; because a tag is already an object,
it does not have to be dereferenced even once to get to an object.
+
-'rev{caret}\{tag\}' can be used to ensure that 'rev' identifies an
+'<rev>{caret}\{tag\}' can be used to ensure that '<rev>' identifies an
existing tag object.
'<rev>{caret}{}', e.g. 'v0.99.8{caret}{}'::
@@ -194,19 +196,16 @@
Depending on the given text, the shell's word splitting rules might
require additional quoting.
-'<rev>:<path>', e.g. 'HEAD:README', ':README', 'master:./README'::
+'<rev>:<path>', e.g. 'HEAD:README', 'master:./README'::
A suffix ':' followed by a path names the blob or tree
at the given path in the tree-ish object named by the part
before the colon.
- ':path' (with an empty part before the colon)
- is a special case of the syntax described next: content
- recorded in the index at the given path.
A path starting with './' or '../' is relative to the current working directory.
The given path will be converted to be relative to the working tree's root directory.
This is most useful to address a blob or tree from a commit or tree that has
the same tree structure as the working tree.
-':<n>:<path>', e.g. ':0:README', ':README'::
+':[<n>:]<path>', e.g. ':0:README', ':README'::
A colon, optionally followed by a stage number (0 to 3) and a
colon, followed by a path, names a blob object in the
index at the given path. A missing stage number (and the colon
@@ -302,7 +301,7 @@
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
