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102 lines
3.7 KiB
102 lines
3.7 KiB
git-rev-list(1) |
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=============== |
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NAME |
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---- |
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git-rev-list - Lists commit objects in reverse chronological order |
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SYNOPSIS |
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-------- |
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'git-rev-list' [ *--max-count*=number ] [ *--max-age*=timestamp ] [ *--min-age*=timestamp ] [ *--bisect* ] [ *--pretty* ] [ *--objects* ] [ *--merge-order* [ *--show-breaks* ] ] <commit> [ <commit> ...] [ ^<commit> ...] |
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DESCRIPTION |
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----------- |
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Lists commit objects in reverse chronological order starting at the |
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given commit(s), taking ancestry relationship into account. This is |
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useful to produce human-readable log output. |
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Commits which are stated with a preceding '^' cause listing to stop at |
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that point. Their parents are implied. "git-rev-list foo bar ^baz" thus |
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means "list all the commits which are included in 'foo' and 'bar', but |
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not in 'baz'". |
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OPTIONS |
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------- |
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--pretty:: |
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Print the contents of the commit changesets in human-readable form. |
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--objects:: |
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Print the object IDs of any object referenced by the listed commits. |
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'git-rev-list --objects foo ^bar' thus means "send me all object IDs |
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which I need to download if I have the commit object 'bar', but |
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not 'foo'". |
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--bisect:: |
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Limit output to the one commit object which is roughly halfway |
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between the included and excluded commits. Thus, if 'git-rev-list |
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--bisect foo ^bar ^baz' outputs 'midpoint', the output |
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of 'git-rev-list foo ^midpoint' and 'git-rev-list midpoint |
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^bar ^baz' would be of roughly the same length. Finding the change |
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which introduces a regression is thus reduced to a binary search: |
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repeatedly generate and test new 'midpoint's until the commit chain |
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is of length one. |
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--merge-order:: |
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When specified the commit history is decomposed into a unique |
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sequence of minimal, non-linear epochs and maximal, linear epochs. |
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Non-linear epochs are then linearised by sorting them into merge |
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order, which is described below. |
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+ |
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Maximal, linear epochs correspond to periods of sequential development. |
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Minimal, non-linear epochs correspond to periods of divergent development |
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followed by a converging merge. The theory of epochs is described in more |
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detail at |
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link:http://blackcubes.dyndns.org/epoch/[http://blackcubes.dyndns.org/epoch/]. |
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The merge order for a non-linear epoch is defined as a linearisation for which |
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the following invariants are true: |
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1. if a commit P is reachable from commit N, commit P sorts after commit N |
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in the linearised list. |
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2. if Pi and Pj are any two parents of a merge M (with i < j), then any |
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commit N, such that N is reachable from Pj but not reachable from Pi, |
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sorts before all commits reachable from Pi. |
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Invariant 1 states that later commits appear before earlier commits they are |
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derived from. |
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Invariant 2 states that commits unique to "later" parents in a merge, appear |
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before all commits from "earlier" parents of a merge. |
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--show-breaks:: |
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Each item of the list is output with a 2-character prefix consisting |
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of one of: (|), (^), (=) followed by a space. |
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Commits marked with (=) represent the boundaries of minimal, non-linear epochs |
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and correspond either to the start of a period of divergent development or to |
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the end of such a period. |
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Commits marked with (|) are direct parents of commits immediately preceding |
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the marked commit in the list. |
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Commits marked with (^) are not parents of the immediately preceding commit. |
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These "breaks" represent necessary discontinuities implied by trying to |
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represent an arbtirary DAG in a linear form. |
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*--show-breaks* is only valid if *--merge-order* is also specified. |
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Author |
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------ |
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Written by Linus Torvalds <torvalds@osdl.org> |
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Original *--merge-order* logic by Jon Seymour <jon.seymour@gmail.com> |
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Documentation |
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-------------- |
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Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel.org>. |
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GIT |
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--- |
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Part of the gitlink:git[7] suite |
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