diff options
Diffstat (limited to 'Documentation/revisions.txt')
| -rw-r--r-- | Documentation/revisions.txt | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/Documentation/revisions.txt b/Documentation/revisions.txt index c5822634fc..2c06ed34ad 100644 --- a/Documentation/revisions.txt +++ b/Documentation/revisions.txt @@ -58,6 +58,9 @@ the '$GIT_DIR/refs' directory or from the '$GIT_DIR/packed-refs' file. While the ref name encoding is unspecified, UTF-8 is preferred as 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\}':: A ref followed by the suffix '@' with a date specification enclosed in a brace @@ -111,11 +114,23 @@ some output processing may assume ref names in UTF-8. '<rev>{caret}\{<type>\}', e.g. 'v0.99.8{caret}\{commit\}':: A suffix '{caret}' followed by an object type name enclosed in - brace pair 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' + brace pair means dereference the object at '<rev>' recursively until + an object of type '<type>' is found or the object cannot be + dereferenced anymore (in which case, barf). + For example, if '<rev>' is a commit-ish, '<rev>{caret}\{commit\}' + describes the corresponding commit object. + Similarly, if '<rev>' is a tree-ish, '<rev>{caret}\{tree\}' + describes the corresponding tree object. + '<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, +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 +existing tag object. '<rev>{caret}\{\}', e.g. 'v0.99.8{caret}\{\}':: A suffix '{caret}' followed by an empty brace pair @@ -239,11 +254,13 @@ To summarize: '<rev1>..<rev2>':: Include commits that are reachable from <rev2> but exclude - those that are reachable from <rev1>. + those that are reachable from <rev1>. When either <rev1> or + <rev2> is omitted, it defaults to 'HEAD'. '<rev1>\...<rev2>':: Include commits that are reachable from either <rev1> or - <rev2> but exclude those that are reachable from both. + <rev2> but exclude those that are reachable from both. When + either <rev1> or <rev2> is omitted, it defaults to 'HEAD'. '<rev>{caret}@', e.g. 'HEAD{caret}@':: A suffix '{caret}' followed by an at sign is the same as listing |