diff options
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/RelNotes-1.7.1.txt | 34 | ||||
-rw-r--r-- | Documentation/everyday.txt | 51 | ||||
-rw-r--r-- | Documentation/git-branch.txt | 2 | ||||
-rw-r--r-- | Documentation/git-imap-send.txt | 10 | ||||
-rw-r--r-- | Documentation/git-rebase.txt | 23 | ||||
-rw-r--r-- | Documentation/howto/revert-a-faulty-merge.txt | 90 | ||||
-rw-r--r-- | Documentation/technical/api-string-list.txt | 6 | ||||
-rw-r--r-- | Documentation/technical/pack-protocol.txt | 10 |
8 files changed, 154 insertions, 72 deletions
diff --git a/Documentation/RelNotes-1.7.1.txt b/Documentation/RelNotes-1.7.1.txt index 19aeef5eff..58cf113a90 100644 --- a/Documentation/RelNotes-1.7.1.txt +++ b/Documentation/RelNotes-1.7.1.txt @@ -4,16 +4,25 @@ Git v1.7.1 Release Notes (draft) Updates since v1.7.0 -------------------- + * Eric Raymond is the maintainer of updated CIAbot scripts, in contrib/. + * Some commands (e.g. svn and http interfaces) that interactively ask - password can be told to use an external program given via GIT_ASKPASS. + for a password can be told to use an external program given via + GIT_ASKPASS. + + * Conflict markers that lead the common ancestor in diff3-style output + now have a label, which hopefully would help third-party tools that + expect one. + + * Comes with an updated bash-completion script. * "git am" learned "--keep-cr" option to handle inputs that are - mixture of changes to files with and without CRLF line endings. + a mixture of changes to files with and without CRLF line endings. * "git cvsimport" learned -R option to leave revision mapping between CVS revisions and resulting git commits. - * "git diff --submodule" notices and descries dirty submodules. + * "git diff --submodule" notices and describes dirty submodules. * "git for-each-ref" learned %(symref), %(symref:short) and %(flag) tokens. @@ -34,12 +43,11 @@ Updates since v1.7.0 * "git log -p --first-parent -m" shows one-parent diff for merge commits, instead of showing combined diff. - * "git merge-file" learned to use custom conflict marker size and also use - the "union merge" behaviour. + * "git merge-file" learned to use custom conflict marker size and also + to use the "union merge" behaviour. - * "git notes" command has been rewritten in C and learned quite a - many commands and features to help you carry notes forward across - rebases and amends. + * "git notes" command has been rewritten in C and learned many commands + and features to help you carry notes forward across rebases and amends. * "git request-pull" identifies the commit the request is relative to in a more readable way. @@ -48,7 +56,7 @@ Updates since v1.7.0 near the tip while preserving your local changes in a way similar to how "git checkout branch" does. - * "git status" notices and descries dirty submodules. + * "git status" notices and describes dirty submodules. * "git svn" should work better when interacting with repositories with CRLF line endings. @@ -64,8 +72,14 @@ release, unless otherwise noted. * "git add frotz/nitfol" did not complain when the entire frotz/ directory was ignored. + * "git rev-list --pretty=oneline" didn't terminate a record with LF for + commits without any message. + + * "git rev-list --abbrev-commit" defaulted to 40-byte abbreviations, unlike + newer tools in the git toolset. + --- exec >/var/tmp/1 echo O=$(git describe) -O=v1.7.0.3-310-g99f5b08 +O=v1.7.0.4-382-gb807c52 git shortlog --no-merges ^maint $O.. diff --git a/Documentation/everyday.txt b/Documentation/everyday.txt index 9310b650d3..e0ba8cc075 100644 --- a/Documentation/everyday.txt +++ b/Documentation/everyday.txt @@ -1,13 +1,8 @@ Everyday GIT With 20 Commands Or So =================================== -<<Basic Repository>> commands are needed by people who have a -repository --- that is everybody, because every working tree of -git is a repository. - -In addition, <<Individual Developer (Standalone)>> commands are -essential for anybody who makes a commit, even for somebody who -works alone. +<<Individual Developer (Standalone)>> commands are essential for +anybody who makes a commit, even for somebody who works alone. If you work with other people, you will need commands listed in the <<Individual Developer (Participant)>> section as well. @@ -20,46 +15,6 @@ administrators who are responsible for the care and feeding of git repositories. -Basic Repository[[Basic Repository]] ------------------------------------- - -Everybody uses these commands to maintain git repositories. - - * linkgit:git-init[1] or linkgit:git-clone[1] to create a - new repository. - - * linkgit:git-fsck[1] to check the repository for errors. - - * linkgit:git-gc[1] to do common housekeeping tasks such as - repack and prune. - -Examples -~~~~~~~~ - -Check health and remove cruft.:: -+ ------------- -$ git fsck <1> -$ git count-objects <2> -$ git gc <3> ------------- -+ -<1> running without `\--full` is usually cheap and assures the -repository health reasonably well. -<2> check how many loose objects there are and how much -disk space is wasted by not repacking. -<3> repacks the local repository and performs other housekeeping tasks. - -Repack a small project into single pack.:: -+ ------------- -$ git gc <1> ------------- -+ -<1> pack all the objects reachable from the refs into one pack, -then remove the other packs. - - Individual Developer (Standalone)[[Individual Developer (Standalone)]] ---------------------------------------------------------------------- @@ -67,6 +22,8 @@ A standalone individual developer does not exchange patches with other people, and works alone in a single repository, using the following commands. + * linkgit:git-init[1] to create a new repository. + * linkgit:git-show-branch[1] to see where you are. * linkgit:git-log[1] to see what happened. diff --git a/Documentation/git-branch.txt b/Documentation/git-branch.txt index 903a690f10..d78f4c7398 100644 --- a/Documentation/git-branch.txt +++ b/Documentation/git-branch.txt @@ -72,6 +72,8 @@ OPTIONS Create the branch's reflog. This activates recording of all changes made to the branch ref, enabling use of date based sha1 expressions such as "<branchname>@\{yesterday}". + Note that in non-bare repositories, reflogs are usually + enabled by default by the `core.logallrefupdates` config option. -f:: --force:: diff --git a/Documentation/git-imap-send.txt b/Documentation/git-imap-send.txt index 6cafbe2ec1..57aba42e66 100644 --- a/Documentation/git-imap-send.txt +++ b/Documentation/git-imap-send.txt @@ -16,7 +16,9 @@ DESCRIPTION This command uploads a mailbox generated with 'git format-patch' into an IMAP drafts folder. This allows patches to be sent as other email is when using mail clients that cannot read mailbox -files directly. +files directly. The command also works with any general mailbox +in which emails have the fields "From", "Date", and "Subject" in +that order. Typical usage is something like: @@ -122,12 +124,6 @@ Thunderbird in particular is known to be problematic. Thunderbird users may wish to visit this web page for more information: http://kb.mozillazine.org/Plain_text_e-mail_-_Thunderbird#Completely_plain_email - -BUGS ----- -Doesn't handle lines starting with "From " in the message body. - - Author ------ Derived from isync 1.0.1 by Mike McCormack. diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index 823f2a4638..0d07b1b207 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -274,9 +274,16 @@ which makes little sense. -f:: --force-rebase:: Force the rebase even if the current branch is a descendant - of the commit you are rebasing onto. Normally the command will + of the commit you are rebasing onto. Normally non-interactive rebase will exit with the message "Current branch is up to date" in such a situation. + Incompatible with the --interactive option. ++ +You may find this (or --no-ff with an interactive rebase) helpful after +reverting a topic branch merge, as this option recreates the topic branch with +fresh commits so it can be remerged successfully without needing to "revert +the reversion" (see the +link:howto/revert-a-faulty-merge.txt[revert-a-faulty-merge How-To] for details). --ignore-whitespace:: --whitespace=<option>:: @@ -316,7 +323,19 @@ which makes little sense. commit to be modified, and change the action of the moved commit from `pick` to `squash` (or `fixup`). + -This option is only valid when '--interactive' option is used. +This option is only valid when the '--interactive' option is used. + +--no-ff:: + With --interactive, cherry-pick all rebased commits instead of + fast-forwarding over the unchanged ones. This ensures that the + entire history of the rebased branch is composed of new commits. ++ +Without --interactive, this is a synonym for --force-rebase. ++ +You may find this helpful after reverting a topic branch merge, as this option +recreates the topic branch with fresh commits so it can be remerged +successfully without needing to "revert the reversion" (see the +link:howto/revert-a-faulty-merge.txt[revert-a-faulty-merge How-To] for details). include::merge-strategies.txt[] diff --git a/Documentation/howto/revert-a-faulty-merge.txt b/Documentation/howto/revert-a-faulty-merge.txt index 3b4a390005..ff5c0bc27a 100644 --- a/Documentation/howto/revert-a-faulty-merge.txt +++ b/Documentation/howto/revert-a-faulty-merge.txt @@ -142,6 +142,8 @@ different resolution strategies: revert of a merge was rebuilt from scratch (i.e. rebasing and fixing, as you seem to have interpreted), then re-merging the result without doing anything else fancy would be the right thing to do. + (See the ADDENDUM below for how to rebuild a branch from scratch + without changing its original branching-off point.) However, there are things to keep in mind when reverting a merge (and reverting such a revert). @@ -177,3 +179,91 @@ the answer is: "oops, I really shouldn't have merged it, because it wasn't ready yet, and I really need to undo _all_ of the merge"). So then you really should revert the merge, but when you want to re-do the merge, you now need to do it by reverting the revert. + +ADDENDUM + +Sometimes you have to rewrite one of a topic branch's commits *and* you can't +change the topic's branching-off point. Consider the following situation: + + P---o---o---M---x---x---W---x + \ / + A---B---C + +where commit W reverted commit M because it turned out that commit B was wrong +and needs to be rewritten, but you need the rewritten topic to still branch +from commit P (perhaps P is a branching-off point for yet another branch, and +you want be able to merge the topic into both branches). + +The natural thing to do in this case is to checkout the A-B-C branch and use +"rebase -i P" to change commit B. However this does not rewrite commit A, +because "rebase -i" by default fast-forwards over any initial commits selected +with the "pick" command. So you end up with this: + + P---o---o---M---x---x---W---x + \ / + A---B---C <-- old branch + \ + B'---C' <-- naively rewritten branch + +To merge A-B'-C' into the mainline branch you would still have to first revert +commit W in order to pick up the changes in A, but then it's likely that the +changes in B' will conflict with the original B changes re-introduced by the +reversion of W. + +However, you can avoid these problems if you recreate the entire branch, +including commit A: + + A'---B'---C' <-- completely rewritten branch + / + P---o---o---M---x---x---W---x + \ / + A---B---C + +You can merge A'-B'-C' into the mainline branch without worrying about first +reverting W. Mainline's history would look like this: + + A'---B'---C'------------------ + / \ + P---o---o---M---x---x---W---x---M2 + \ / + A---B---C + +But if you don't actually need to change commit A, then you need some way to +recreate it as a new commit with the same changes in it. The rebase commmand's +--no-ff option provides a way to do this: + + $ git rebase [-i] --no-ff P + +The --no-ff option creates a new branch A'-B'-C' with all-new commits (all the +SHA IDs will be different) even if in the interactive case you only actually +modify commit B. You can then merge this new branch directly into the mainline +branch and be sure you'll get all of the branch's changes. + +You can also use --no-ff in cases where you just add extra commits to the topic +to fix it up. Let's revisit the situation discussed at the start of this howto: + + P---o---o---M---x---x---W---x + \ / + A---B---C----------------D---E <-- fixed-up topic branch + +At this point, you can use --no-ff to recreate the topic branch: + + $ git checkout E + $ git rebase --no-ff P + +yielding + + A'---B'---C'------------D'---E' <-- recreated topic branch + / + P---o---o---M---x---x---W---x + \ / + A---B---C----------------D---E + +You can merge the recreated branch into the mainline without reverting commit W, +and mainline's history will look like this: + + A'---B'---C'------------D'---E' + / \ + P---o---o---M---x---x---W---x---M2 + \ / + A---B---C diff --git a/Documentation/technical/api-string-list.txt b/Documentation/technical/api-string-list.txt index 293bb15d20..6d8c24bb1e 100644 --- a/Documentation/technical/api-string-list.txt +++ b/Documentation/technical/api-string-list.txt @@ -104,8 +104,12 @@ write `string_list_insert(...)->util = ...;`. `unsorted_string_list_has_string`:: It's like `string_list_has_string()` but for unsorted lists. + +`unsorted_string_list_lookup`:: + + It's like `string_list_lookup()` but for unsorted lists. + -This function needs to look through all items, as opposed to its +The above two functions need to look through all items, as opposed to their counterpart for sorted lists, which performs a binary search. Data structures diff --git a/Documentation/technical/pack-protocol.txt b/Documentation/technical/pack-protocol.txt index 9a5cdafa9c..369f91d3b9 100644 --- a/Documentation/technical/pack-protocol.txt +++ b/Documentation/technical/pack-protocol.txt @@ -36,7 +36,7 @@ Git Transport The Git transport starts off by sending the command and repository on the wire using the pkt-line format, followed by a NUL byte and a -hostname paramater, terminated by a NUL byte. +hostname parameter, terminated by a NUL byte. 0032git-upload-pack /project.git\0host=myserver.com\0 @@ -331,7 +331,7 @@ An incremental update (fetch) response might look like this: C: 0009done\n - S: 003aACK 74730d410fcb6603ace96f1dc55ea6196122532d\n + S: 0031ACK 74730d410fcb6603ace96f1dc55ea6196122532d\n S: [PACKFILE] ---- @@ -488,7 +488,7 @@ An example client/server communication might look like this: C: 0000 C: [PACKDATA] - S: 000aunpack ok\n - S: 0014ok refs/heads/debug\n - S: 0026ng refs/heads/master non-fast-forward\n + S: 000eunpack ok\n + S: 0018ok refs/heads/debug\n + S: 002ang refs/heads/master non-fast-forward\n ---- |