diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/RelNotes/2.34.0.txt | 87 | ||||
| -rw-r--r-- | Documentation/config/advice.txt | 3 | ||||
| -rw-r--r-- | Documentation/config/transfer.txt | 14 | ||||
| -rw-r--r-- | Documentation/git-branch.txt | 3 | ||||
| -rw-r--r-- | Documentation/git-column.txt | 2 | ||||
| -rw-r--r-- | Documentation/git-merge.txt | 2 | ||||
| -rw-r--r-- | Documentation/git-pull.txt | 21 | ||||
| -rw-r--r-- | Documentation/git-rebase.txt | 41 | ||||
| -rw-r--r-- | Documentation/gitfaq.txt | 2 | ||||
| -rw-r--r-- | Documentation/merge-options.txt | 44 | ||||
| -rw-r--r-- | Documentation/merge-strategies.txt | 99 | ||||
| -rw-r--r-- | Documentation/rev-list-options.txt | 8 | ||||
| -rw-r--r-- | Documentation/technical/directory-rename-detection.txt | 14 | ||||
| -rw-r--r-- | Documentation/user-manual.txt | 2 |
14 files changed, 256 insertions, 86 deletions
diff --git a/Documentation/RelNotes/2.34.0.txt b/Documentation/RelNotes/2.34.0.txt index cfbea4802a..4cb0b8f4cc 100644 --- a/Documentation/RelNotes/2.34.0.txt +++ b/Documentation/RelNotes/2.34.0.txt @@ -10,6 +10,10 @@ UI, Workflows & Features location relative to Git installation (e.g. its $sharedir which is $(prefix)/share), with "%(prefix)". + * Use `ort` instead of `recursive` as the default merge strategy. + + * The userdiff pattern for "java" language has been updated. + Performance, Internal Implementation, Development Support etc. @@ -32,6 +36,18 @@ Performance, Internal Implementation, Development Support etc. "git fetch-pack" has been optimized by taking advantage of the commit graph when available. + * Remind developers that the userdiff patterns should be kept simple + and permissive, assuming that the contents they apply are always + syntactically correct. + + * The current implementation of GIT_TEST_FAIL_PREREQS is broken in + that checking for the lack of a prerequisite would not work. Avoid + the use of "if ! test_have_prereq X" in a test script. + + * The revision traversal API has been optimized by taking advantage + of the commit-graph, when available, to determine if a commit is + reachable from any of the existing refs. + Fixes since v2.33 ----------------- @@ -44,5 +60,76 @@ Fixes since v2.33 push" code path. (merge 82823118b9 jt/push-negotiation-fixes later to maint). + * "git pull" had various corner cases that were not well thought out + around its --rebase backend, e.g. "git pull --ff-only" did not stop + but went ahead and rebased when the history on other side is not a + descendant of our history. The series tries to fix them up. + (merge 6f843a3355 en/pull-conflicting-options later to maint). + + * "git apply" miscounted the bytes and failed to read to the end of + binary hunks. + (merge 46d723ce57 jk/apply-binary-hunk-parsing-fix later to maint). + + * "git range-diff" code clean-up. + (merge c4d5907324 jk/range-diff-fixes later to maint). + + * "git commit --fixup" now works with "--edit" again, after it was + broken in v2.32. + (merge 8ef6aad664 jk/commit-edit-fixup-fix later to maint). + + * Use upload-artifacts v1 (instead of v2) for 32-bit linux, as the + new version has a blocker bug for that architecture. + (merge 3cf9bb36bf cb/ci-use-upload-artifacts-v1 later to maint). + + * Checking out all the paths from HEAD during the last conflicted + step in "git rebase" and continuing would cause the step to be + skipped (which is expected), but leaves MERGE_MSG file behind in + $GIT_DIR and confuses the next "git commit", which has been + corrected. + (merge e5ee33e855 pw/rebase-skip-final-fix later to maint). + + * Various bugs in "git rebase -r" have been fixed. + (merge f2563c9ef3 pw/rebase-r-fixes later to maint). + + * mmap() imitation used to call xmalloc() that dies upon malloc() + failure, which has been corrected to just return an error to the + caller to be handled. + (merge 95b4ff3931 rs/git-mmap-uses-malloc later to maint). + + * "git diff --relative" segfaulted and/or produced incorrect result + when there are unmerged paths. + (merge 8174627b3d dd/diff-files-unmerged-fix later to maint). + + * The delayed checkout code path in "git checkout" etc. were chatty + even when --quiet and/or --no-progress options were given. + (merge 7a132c628e mt/quiet-with-delayed-checkout later to maint). + + * "git branch -D <branch>" used to refuse to remove a broken branch + ref that points at a missing commit, which has been corrected. + (merge 597a977489 rs/branch-allow-deleting-dangling later to maint). + + * Build update for Apple clang. + (merge f32c5d3716 cb/makefile-apple-clang later to maint). + + * The parser for the "--nl" option of "git column" has been + corrected. + (merge c93ca46cf5 sg/column-nl later to maint). + * Other code cleanup, docfix, build fix, etc. (merge 1d9c8daef8 ab/bundle-doc later to maint). + (merge 81483fe613 en/merge-strategy-docs later to maint). + (merge 626beebdf8 js/log-protocol-version later to maint). + (merge 00e302da76 cb/builtin-merge-format-string-fix later to maint). + (merge ad51ae4dc0 cb/ci-freebsd-update later to maint). + (merge be6444d1ca fc/completion-updates later to maint). + (merge ff7b83f562 ti/tcsh-completion-regression-fix later to maint). + (merge 325b06deda sg/make-fix-ar-invocation later to maint). + (merge bd72824c60 me/t5582-cleanup later to maint). + (merge f6a5af0f62 ga/send-email-sendmail-cmd later to maint). + (merge f58c7468cd ab/ls-remote-packet-trace later to maint). + (merge 0160f7e725 ab/rebase-fatal-fatal-fix later to maint). + (merge a16eb6b1ff js/maintenance-launchctl-fix later to maint). + (merge c21b2511c2 jk/t5323-no-pack-test-fix later to maint). + (merge 5146c2f148 mh/credential-leakfix later to maint). + (merge 1549577338 dd/t6300-wo-gpg-fix later to maint). + (merge 66e905b7dd rs/xopen-reports-open-failures later to maint). diff --git a/Documentation/config/advice.txt b/Documentation/config/advice.txt index 8b2849ff7b..063eec2511 100644 --- a/Documentation/config/advice.txt +++ b/Documentation/config/advice.txt @@ -44,6 +44,9 @@ advice.*:: Shown when linkgit:git-push[1] rejects a forced update of a branch when its remote-tracking ref has updates that we do not have locally. + skippedCherryPicks:: + Shown when linkgit:git-rebase[1] skips a commit that has already + been cherry-picked onto the upstream branch. statusAheadBehind:: Shown when linkgit:git-status[1] computes the ahead/behind counts for a local ref compared to its remote tracking ref, diff --git a/Documentation/config/transfer.txt b/Documentation/config/transfer.txt index 505126a780..b49429eb4d 100644 --- a/Documentation/config/transfer.txt +++ b/Documentation/config/transfer.txt @@ -52,13 +52,17 @@ If you have multiple hideRefs values, later entries override earlier ones (and entries in more-specific config files override less-specific ones). + If a namespace is in use, the namespace prefix is stripped from each -reference before it is matched against `transfer.hiderefs` patterns. +reference before it is matched against `transfer.hiderefs` patterns. In +order to match refs before stripping, add a `^` in front of the ref name. If +you combine `!` and `^`, `!` must be specified first. ++ For example, if `refs/heads/master` is specified in `transfer.hideRefs` and the current namespace is `foo`, then `refs/namespaces/foo/refs/heads/master` -is omitted from the advertisements but `refs/heads/master` and -`refs/namespaces/bar/refs/heads/master` are still advertised as so-called -"have" lines. In order to match refs before stripping, add a `^` in front of -the ref name. If you combine `!` and `^`, `!` must be specified first. +is omitted from the advertisements. If `uploadpack.allowRefInWant` is set, +`upload-pack` will treat `want-ref refs/heads/master` in a protocol v2 +`fetch` command as if `refs/namespaces/foo/refs/heads/master` did not exist. +`receive-pack`, on the other hand, will still advertise the object id the +ref is pointing to without mentioning its name (a so-called ".have" line). + Even if you hide refs, a client may still be able to steal the target objects via the techniques described in the "SECURITY" section of the diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt index 94dc9a54f2..5449767121 100644 --- a/Documentation/git-branch.txt +++ b/Documentation/git-branch.txt @@ -118,7 +118,8 @@ OPTIONS Reset <branchname> to <startpoint>, even if <branchname> exists already. Without `-f`, 'git branch' refuses to change an existing branch. In combination with `-d` (or `--delete`), allow deleting the - branch irrespective of its merged status. In combination with + branch irrespective of its merged status, or whether it even + points to a valid commit. In combination with `-m` (or `--move`), allow renaming the branch even if the new branch name already exists, the same applies for `-c` (or `--copy`). diff --git a/Documentation/git-column.txt b/Documentation/git-column.txt index f58e9c43e6..6cea9ab463 100644 --- a/Documentation/git-column.txt +++ b/Documentation/git-column.txt @@ -39,7 +39,7 @@ OPTIONS --indent=<string>:: String to be printed at the beginning of each line. ---nl=<N>:: +--nl=<string>:: String to be printed at the end of each line, including newline character. diff --git a/Documentation/git-merge.txt b/Documentation/git-merge.txt index 3819fadac1..e4f3352eb5 100644 --- a/Documentation/git-merge.txt +++ b/Documentation/git-merge.txt @@ -61,6 +61,8 @@ merge has resulted in conflicts. OPTIONS ------- +:git-merge: 1 + include::merge-options.txt[] -m <msg>:: diff --git a/Documentation/git-pull.txt b/Documentation/git-pull.txt index 7f4b2d1982..aef757ec89 100644 --- a/Documentation/git-pull.txt +++ b/Documentation/git-pull.txt @@ -15,14 +15,17 @@ SYNOPSIS DESCRIPTION ----------- -Incorporates changes from a remote repository into the current -branch. In its default mode, `git pull` is shorthand for -`git fetch` followed by `git merge FETCH_HEAD`. - -More precisely, 'git pull' runs 'git fetch' with the given -parameters and calls 'git merge' to merge the retrieved branch -heads into the current branch. -With `--rebase`, it runs 'git rebase' instead of 'git merge'. +Incorporates changes from a remote repository into the current branch. +If the current branch is behind the remote, then by default it will +fast-forward the current branch to match the remote. If the current +branch and the remote have diverged, the user needs to specify how to +reconcile the divergent branches with `--rebase` or `--no-rebase` (or +the corresponding configuration option in `pull.rebase`). + +More precisely, `git pull` runs `git fetch` with the given parameters +and then depending on configuration options or command line flags, +will call either `git rebase` or `git merge` to reconcile diverging +branches. <repository> should be the name of a remote repository as passed to linkgit:git-fetch[1]. <refspec> can name an @@ -132,7 +135,7 @@ published that history already. Do *not* use this option unless you have read linkgit:git-rebase[1] carefully. --no-rebase:: - Override earlier --rebase. + This is shorthand for --rebase=false. Options related to fetching ~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index 55af6fd24e..506345cb0e 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -79,9 +79,10 @@ remain the checked-out branch. If the upstream branch already contains a change you have made (e.g., because you mailed a patch which was applied upstream), then that commit -will be skipped. For example, running `git rebase master` on the -following history (in which `A'` and `A` introduce the same set of changes, -but have different committer information): +will be skipped and warnings will be issued (if the `merge` backend is +used). For example, running `git rebase master` on the following +history (in which `A'` and `A` introduce the same set of changes, but +have different committer information): ------------ A---B---C topic @@ -312,7 +313,10 @@ See also INCOMPATIBLE OPTIONS below. By default (or if `--no-reapply-cherry-picks` is given), these commits will be automatically dropped. Because this necessitates reading all upstream commits, this can be expensive in repos with a large number -of upstream commits that need to be read. +of upstream commits that need to be read. When using the `merge` +backend, warnings will be issued for each dropped commit (unless +`--quiet` is given). Advice will also be issued unless +`advice.skippedCherryPicks` is set to false (see linkgit:git-config[1]). + `--reapply-cherry-picks` allows rebase to forgo reading all upstream commits, potentially improving performance. @@ -340,9 +344,7 @@ See also INCOMPATIBLE OPTIONS below. -m:: --merge:: - Use merging strategies to rebase. When the recursive (default) merge - strategy is used, this allows rebase to be aware of renames on the - upstream side. This is the default. + Using merging strategies to rebase (default). + Note that a rebase merge works by replaying each commit from the working branch on top of the <upstream> branch. Because of this, when a merge @@ -354,9 +356,8 @@ See also INCOMPATIBLE OPTIONS below. -s <strategy>:: --strategy=<strategy>:: - Use the given merge strategy. - If there is no `-s` option 'git merge-recursive' is used - instead. This implies --merge. + Use the given merge strategy, instead of the default `ort`. + This implies `--merge`. + Because 'git rebase' replays each commit from the working branch on top of the <upstream> branch using the given strategy, using @@ -369,7 +370,7 @@ See also INCOMPATIBLE OPTIONS below. --strategy-option=<strategy-option>:: Pass the <strategy-option> through to the merge strategy. This implies `--merge` and, if no strategy has been - specified, `-s recursive`. Note the reversal of 'ours' and + specified, `-s ort`. Note the reversal of 'ours' and 'theirs' as noted above for the `-m` option. + See also INCOMPATIBLE OPTIONS below. @@ -530,7 +531,7 @@ The `--rebase-merges` mode is similar in spirit to the deprecated where commits can be reordered, inserted and dropped at will. + It is currently only possible to recreate the merge commits using the -`recursive` merge strategy; Different merge strategies can be used only via +`ort` merge strategy; different merge strategies can be used only via explicit `exec git merge -s <strategy> [...]` commands. + See also REBASING MERGES and INCOMPATIBLE OPTIONS below. @@ -1219,12 +1220,16 @@ successful merge so that the user can edit the message. If a `merge` command fails for any reason other than merge conflicts (i.e. when the merge operation did not even start), it is rescheduled immediately. -At this time, the `merge` command will *always* use the `recursive` -merge strategy for regular merges, and `octopus` for octopus merges, -with no way to choose a different one. To work around -this, an `exec` command can be used to call `git merge` explicitly, -using the fact that the labels are worktree-local refs (the ref -`refs/rewritten/onto` would correspond to the label `onto`, for example). +By default, the `merge` command will use the `ort` merge strategy for +regular merges, and `octopus` for octopus merges. One can specify a +default strategy for all merges using the `--strategy` argument when +invoking rebase, or can override specific merges in the interactive +list of commands by using an `exec` command to call `git merge` +explicitly with a `--strategy` argument. Note that when calling `git +merge` explicitly like this, you can make use of the fact that the +labels are worktree-local refs (the ref `refs/rewritten/onto` would +correspond to the label `onto`, for example) in order to refer to the +branches you want to merge. Note: the first command (`label onto`) labels the revision onto which the commits are rebased; The name `onto` is just a convention, as a nod diff --git a/Documentation/gitfaq.txt b/Documentation/gitfaq.txt index afdaeab850..8c1f2d5675 100644 --- a/Documentation/gitfaq.txt +++ b/Documentation/gitfaq.txt @@ -275,7 +275,7 @@ best to always use a regular merge commit. [[merge-two-revert-one]] If I make a change on two branches but revert it on one, why does the merge of those branches include the change?:: - By default, when Git does a merge, it uses a strategy called the recursive + By default, when Git does a merge, it uses a strategy called the `ort` strategy, which does a fancy three-way merge. In such a case, when Git performs the merge, it considers exactly three points: the two heads and a third point, called the _merge base_, which is usually the common ancestor of diff --git a/Documentation/merge-options.txt b/Documentation/merge-options.txt index 52565014c1..61ec157c2f 100644 --- a/Documentation/merge-options.txt +++ b/Documentation/merge-options.txt @@ -2,6 +2,9 @@ --no-commit:: Perform the merge and commit the result. This option can be used to override --no-commit. +ifdef::git-pull[] + Only useful when merging. +endif::git-pull[] + With --no-commit perform the merge and stop just before creating a merge commit, to give the user a chance to inspect and further @@ -39,6 +42,7 @@ set to `no` at the beginning of them. to `MERGE_MSG` before being passed on to the commit machinery in the case of a merge conflict. +ifdef::git-merge[] --ff:: --no-ff:: --ff-only:: @@ -47,6 +51,22 @@ set to `no` at the beginning of them. default unless merging an annotated (and possibly signed) tag that is not stored in its natural place in the `refs/tags/` hierarchy, in which case `--no-ff` is assumed. +endif::git-merge[] +ifdef::git-pull[] +--ff-only:: + Only update to the new history if there is no divergent local + history. This is the default when no method for reconciling + divergent histories is provided (via the --rebase=* flags). + +--ff:: +--no-ff:: + When merging rather than rebasing, specifies how a merge is + handled when the merged-in history is already a descendant of + the current history. If merging is requested, `--ff` is the + default unless merging an annotated (and possibly signed) tag + that is not stored in its natural place in the `refs/tags/` + hierarchy, in which case `--no-ff` is assumed. +endif::git-pull[] + With `--ff`, when possible resolve the merge as a fast-forward (only update the branch pointer to match the merged branch; do not create a @@ -55,9 +75,11 @@ descendant of the current history), create a merge commit. + With `--no-ff`, create a merge commit in all cases, even when the merge could instead be resolved as a fast-forward. +ifdef::git-merge[] + With `--ff-only`, resolve the merge as a fast-forward when possible. When not possible, refuse to merge and exit with a non-zero status. +endif::git-merge[] -S[<keyid>]:: --gpg-sign[=<keyid>]:: @@ -73,6 +95,9 @@ When not possible, refuse to merge and exit with a non-zero status. In addition to branch names, populate the log message with one-line descriptions from at most <n> actual commits that are being merged. See also linkgit:git-fmt-merge-msg[1]. +ifdef::git-pull[] + Only useful when merging. +endif::git-pull[] + With --no-log do not list one-line descriptions from the actual commits being merged. @@ -102,18 +127,25 @@ With --no-squash perform the merge and commit the result. This option can be used to override --squash. + With --squash, --commit is not allowed, and will fail. +ifdef::git-pull[] ++ +Only useful when merging. +endif::git-pull[] --no-verify:: This option bypasses the pre-merge and commit-msg hooks. See also linkgit:githooks[5]. +ifdef::git-pull[] + Only useful when merging. +endif::git-pull[] -s <strategy>:: --strategy=<strategy>:: Use the given merge strategy; can be supplied more than once to specify them in the order they should be tried. If there is no `-s` option, a built-in list of strategies - is used instead ('git merge-recursive' when merging a single - head, 'git merge-octopus' otherwise). + is used instead (`ort` when merging a single head, + `octopus` otherwise). -X <option>:: --strategy-option=<option>:: @@ -127,6 +159,10 @@ With --squash, --commit is not allowed, and will fail. default trust model, this means the signing key has been signed by a trusted key. If the tip commit of the side branch is not signed with a valid key, the merge is aborted. +ifdef::git-pull[] ++ +Only useful when merging. +endif::git-pull[] --summary:: --no-summary:: @@ -167,3 +203,7 @@ endif::git-pull[] projects that started their lives independently. As that is a very rare occasion, no configuration variable to enable this by default exists and will not be added. +ifdef::git-pull[] ++ +Only useful when merging. +endif::git-pull[] diff --git a/Documentation/merge-strategies.txt b/Documentation/merge-strategies.txt index 2912de706b..5fc54ec060 100644 --- a/Documentation/merge-strategies.txt +++ b/Documentation/merge-strategies.txt @@ -6,28 +6,23 @@ backend 'merge strategies' to be chosen with `-s` option. Some strategies can also take their own options, which can be passed by giving `-X<option>` arguments to `git merge` and/or `git pull`. -resolve:: - This can only resolve two heads (i.e. the current branch - and another branch you pulled from) using a 3-way merge - algorithm. It tries to carefully detect criss-cross - merge ambiguities and is considered generally safe and - fast. - -recursive:: - This can only resolve two heads using a 3-way merge - algorithm. When there is more than one common - ancestor that can be used for 3-way merge, it creates a - merged tree of the common ancestors and uses that as - the reference tree for the 3-way merge. This has been - reported to result in fewer merge conflicts without - causing mismerges by tests done on actual merge commits - taken from Linux 2.6 kernel development history. - Additionally this can detect and handle merges involving - renames, but currently cannot make use of detected - copies. This is the default merge strategy when pulling - or merging one branch. +ort:: + This is the default merge strategy when pulling or merging one + branch. This strategy can only resolve two heads using a + 3-way merge algorithm. When there is more than one common + ancestor that can be used for 3-way merge, it creates a merged + tree of the common ancestors and uses that as the reference + tree for the 3-way merge. This has been reported to result in + fewer merge conflicts without causing mismerges by tests done + on actual merge commits taken from Linux 2.6 kernel + development history. Additionally this strategy can detect + and handle merges involving renames. It does not make use of + detected copies. The name for this algorithm is an acronym + ("Ostensibly Recursive's Twin") and came from the fact that it + was written as a replacement for the previous default + algorithm, `recursive`. + -The 'recursive' strategy can take the following options: +The 'ort' strategy can take the following options: ours;; This option forces conflicting hunks to be auto-resolved cleanly by @@ -43,19 +38,6 @@ theirs;; This is the opposite of 'ours'; note that, unlike 'ours', there is no 'theirs' merge strategy to confuse this merge option with. -patience;; - With this option, 'merge-recursive' spends a little extra time - to avoid mismerges that sometimes occur due to unimportant - matching lines (e.g., braces from distinct functions). Use - this when the branches to be merged have diverged wildly. - See also linkgit:git-diff[1] `--patience`. - -diff-algorithm=[patience|minimal|histogram|myers];; - Tells 'merge-recursive' to use a different diff algorithm, which - can help avoid mismerges that occur due to unimportant matching - lines (such as braces from distinct functions). See also - linkgit:git-diff[1] `--diff-algorithm`. - ignore-space-change;; ignore-all-space;; ignore-space-at-eol;; @@ -84,11 +66,6 @@ no-renormalize;; Disables the `renormalize` option. This overrides the `merge.renormalize` configuration variable. -no-renames;; - Turn off rename detection. This overrides the `merge.renames` - configuration variable. - See also linkgit:git-diff[1] `--no-renames`. - find-renames[=<n>];; Turn on rename detection, optionally setting the similarity threshold. This is the default. This overrides the @@ -105,6 +82,46 @@ subtree[=<path>];; is prefixed (or stripped from the beginning) to make the shape of two trees to match. +recursive:: + This can only resolve two heads using a 3-way merge + algorithm. When there is more than one common + ancestor that can be used for 3-way merge, it creates a + merged tree of the common ancestors and uses that as + the reference tree for the 3-way merge. This has been + reported to result in fewer merge conflicts without + causing mismerges by tests done on actual merge commits + taken from Linux 2.6 kernel development history. + Additionally this can detect and handle merges involving + renames. It does not make use of detected copies. This was + the default strategy for resolving two heads from Git v0.99.9k + until v2.33.0. ++ +The 'recursive' strategy takes the same options as 'ort'. However, +there are three additional options that 'ort' ignores (not documented +above) that are potentially useful with the 'recursive' strategy: + +patience;; + Deprecated synonym for `diff-algorithm=patience`. + +diff-algorithm=[patience|minimal|histogram|myers];; + Use a different diff algorithm while merging, which can help + avoid mismerges that occur due to unimportant matching lines + (such as braces from distinct functions). See also + linkgit:git-diff[1] `--diff-algorithm`. Note that `ort` + specifically uses `diff-algorithm=histogram`, while `recursive` + defaults to the `diff.algorithm` config setting. + +no-renames;; + Turn off rename detection. This overrides the `merge.renames` + configuration variable. + See also linkgit:git-diff[1] `--no-renames`. + +resolve:: + This can only resolve two heads (i.e. the current branch + and another branch you pulled from) using a 3-way merge + algorithm. It tries to carefully detect criss-cross + merge ambiguities. It does not handle renames. + octopus:: This resolves cases with more than two heads, but refuses to do a complex merge that needs manual resolution. It is @@ -121,13 +138,13 @@ ours:: the 'recursive' merge strategy. subtree:: - This is a modified recursive strategy. When merging trees A and + This is a modified `ort` strategy. When merging trees A and B, if B corresponds to a subtree of A, B is first adjusted to match the tree structure of A, instead of reading the trees at the same level. This adjustment is also done to the common ancestor tree. -With the strategies that use 3-way merge (including the default, 'recursive'), +With the strategies that use 3-way merge (including the default, 'ort'), if a change is made on both branches, but later reverted on one of the branches, that change will be present in the merged result; some people find this behavior confusing. It occurs because only the heads and the merge base diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt index 24569b06d1..b7bd27e171 100644 --- a/Documentation/rev-list-options.txt +++ b/Documentation/rev-list-options.txt @@ -968,6 +968,11 @@ list of the missing objects. Object IDs are prefixed with a ``?'' character. objects. endif::git-rev-list[] +--unsorted-input:: + Show commits in the order they were given on the command line instead + of sorting them in reverse chronological order by commit time. Cannot + be combined with `--no-walk` or `--no-walk=sorted`. + --no-walk[=(sorted|unsorted)]:: Only show the given commits, but do not traverse their ancestors. This has no effect if a range is specified. If the argument @@ -975,7 +980,8 @@ endif::git-rev-list[] given on the command line. Otherwise (if `sorted` or no argument was given), the commits are shown in reverse chronological order by commit time. - Cannot be combined with `--graph`. + Cannot be combined with `--graph`. Cannot be combined with + `--unsorted-input` if `sorted` or no argument was given. --do-walk:: Overrides a previous `--no-walk`. diff --git a/Documentation/technical/directory-rename-detection.txt b/Documentation/technical/directory-rename-detection.txt index 49b83ef3cc..029ee2cedc 100644 --- a/Documentation/technical/directory-rename-detection.txt +++ b/Documentation/technical/directory-rename-detection.txt @@ -2,9 +2,9 @@ Directory rename detection ========================== Rename detection logic in diffcore-rename that checks for renames of -individual files is aggregated and analyzed in merge-recursive for cases -where combinations of renames indicate that a full directory has been -renamed. +individual files is also aggregated there and then analyzed in either +merge-ort or merge-recursive for cases where combinations of renames +indicate that a full directory has been renamed. Scope of abilities ------------------ @@ -88,9 +88,11 @@ directory rename detection support in: Folks have requested in the past that `git diff` detect directory renames and somehow simplify its output. It is not clear whether this would be desirable or how the output should be simplified, so this was - simply not implemented. Further, to implement this, directory rename - detection logic would need to move from merge-recursive to - diffcore-rename. + simply not implemented. Also, while diffcore-rename has most of the + logic for detecting directory renames, some of the logic is still found + within merge-ort and merge-recursive. Fully supporting directory + rename detection in diffs would require copying or moving the remaining + bits of logic to the diff machinery. * am diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt index 96240598e3..865074bed4 100644 --- a/Documentation/user-manual.txt +++ b/Documentation/user-manual.txt @@ -3190,7 +3190,7 @@ that *updated* thing--the old state that you added originally ends up not being pointed to by any commit or tree, so it's now a dangling blob object. -Similarly, when the "recursive" merge strategy runs, and finds that +Similarly, when the "ort" merge strategy runs, and finds that there are criss-cross merges and thus more than one merge base (which is fairly unusual, but it does happen), it will generate one temporary midway tree (or possibly even more, if you had lots of criss-crossing |