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Document the master@{n} reflog query syntax.

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In ab2a1a32 Junio improved the reflog query logic to support
obtaining the n-th prior value of a ref, but this was never
documented in git-rev-parse.  Now it is.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Shawn O. Pearce 2007-01-17 21:08:04 -05:00 committed by Junio C Hamano
parent de3820f5e4
commit ee53aff486
1 changed files with 8 additions and 0 deletions
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8
Documentation/git-rev-parse.txt
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@ -152,6 +152,14 @@ blobs contained in a commit.
used immediately following a ref name and the ref must have an
existing log ($GIT_DIR/logs/<ref>).
* A ref followed by the suffix '@' with an ordinal specification
enclosed in a brace pair (e.g. '\{1\}', '\{15\}') to specify
the n-th prior value of that ref. For example 'master@\{1\}'
is the immediate prior value of 'master' while 'master@\{5\}'
is the 5th prior value of 'master'. This suffix may only be used
immediately following a ref name and the ref must have an existing
log ($GIT_DIR/logs/<ref>).
* 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}'