diff options
Diffstat (limited to 'Documentation/git-rev-parse.txt')
| -rw-r--r-- | Documentation/git-rev-parse.txt | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt index 99fd90e376..099db294f4 100644 --- a/Documentation/git-rev-parse.txt +++ b/Documentation/git-rev-parse.txt @@ -79,8 +79,9 @@ OPTIONS SPECIFYING REVISIONS -------------------- -A revision parameter typically names a commit object. They use -what is called an 'extended SHA1' syntax. +A revision parameter typically, but not necessarily, names a +commit object. They use what is called an 'extended SHA1' +syntax. * The full SHA1 object name (40-byte hexadecimal string), or a substring of such that is unique within the repository. @@ -91,7 +92,7 @@ what is called an 'extended SHA1' syntax. * A symbolic ref name. E.g. 'master' typically means the commit object referenced by $GIT_DIR/refs/heads/master. If you happen to have both heads/master and tags/master, you can - explicitly say 'heads/master' to tell GIT which one you mean. + explicitly say 'heads/master' to tell git which one you mean. * A suffix '{caret}' to a revision parameter means the first parent of that commit object. '{caret}<n>' means the <n>th parent (i.e. @@ -106,6 +107,18 @@ what is called an 'extended SHA1' syntax. equivalent to rev{caret}{caret}{caret} which is equivalent to\ rev{caret}1{caret}1{caret}1. +* A suffix '{caret}' followed by an object type name enclosed in + brace pair (e.g. `v0.99.8{caret}\{commit\}`) means the object + could be a tag, and dereference the tag recursively until an + object of that type is found or the object cannot be + dereferenced anymore (in which case, barf). `rev{caret}0` + introduced earlier is a short-hand for `rev{caret}\{commit\}`. + +* A suffix '{caret}' followed by an empty brace pair + (e.g. `v0.99.8{caret}\{\}`) means the object could be a tag, + and dereference the tag recursively until a non-tag object is + found. + 'git-rev-parse' also accepts a prefix '{caret}' to revision parameter, which is passed to 'git-rev-list'. Two revision parameters concatenated with '..' is a short-hand for writing a range |