diff options
Diffstat (limited to 'rev-list-options.txt')
-rw-r--r-- | rev-list-options.txt | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/rev-list-options.txt b/rev-list-options.txt index bd08d1857..183750956 100644 --- a/rev-list-options.txt +++ b/rev-list-options.txt @@ -392,12 +392,14 @@ Default mode:: merges from the resulting history, as there are no selected commits contributing to this merge. ---ancestry-path:: +--ancestry-path[=<commit>]:: When given a range of commits to display (e.g. 'commit1..commit2' - or 'commit2 {caret}commit1'), only display commits that exist - directly on the ancestry chain between the 'commit1' and - 'commit2', i.e. commits that are both descendants of 'commit1', - and ancestors of 'commit2'. + or 'commit2 {caret}commit1'), only display commits in that range + that are ancestors of <commit>, descendants of <commit>, or + <commit> itself. If no commit is specified, use 'commit1' (the + excluded part of the range) as <commit>. Can be passed multiple + times; if so, a commit is included if it is any of the commits + given or if it is an ancestor or descendant of one of them. A more detailed explanation follows. @@ -571,11 +573,10 @@ Note the major differences in `N`, `P`, and `Q` over `--full-history`: There is another simplification mode available: ---ancestry-path:: - Limit the displayed commits to those directly on the ancestry - chain between the ``from'' and ``to'' commits in the given commit - range. I.e. only display commits that are ancestor of the ``to'' - commit and descendants of the ``from'' commit. +--ancestry-path[=<commit>]:: + Limit the displayed commits to those which are an ancestor of + <commit>, or which are a descendant of <commit>, or are <commit> + itself. + As an example use case, consider the following commit history: + @@ -607,6 +608,29 @@ option does. Applied to the 'D..M' range, it results in: \ L--M ----------------------------------------------------------------------- ++ +We can also use `--ancestry-path=D` instead of `--ancestry-path` which +means the same thing when applied to the 'D..M' range but is just more +explicit. ++ +If we instead are interested in a given topic within this range, and all +commits affected by that topic, we may only want to view the subset of +`D..M` which contain that topic in their ancestry path. So, using +`--ancestry-path=H D..M` for example would result in: ++ +----------------------------------------------------------------------- + E + \ + G---H---I---J + \ + L--M +----------------------------------------------------------------------- ++ +Whereas `--ancestry-path=K D..M` would result in ++ +----------------------------------------------------------------------- + K---------------L--M +----------------------------------------------------------------------- Before discussing another option, `--show-pulls`, we need to create a new example history. @@ -662,7 +686,7 @@ Here, the merge commits `O` and `P` contribute extra noise, as they did not actually contribute a change to `file.txt`. They only merged a topic that was based on an older version of `file.txt`. This is a common issue in repositories using a workflow where many contributors work in -parallel and merge their topic branches along a single trunk: manu +parallel and merge their topic branches along a single trunk: many unrelated merges appear in the `--full-history` results. When using the `--simplify-merges` option, the commits `O` and `P` |