Mostly making the formatted html prettier.
Signed-off-by: Junio C Hamano <junkio@cox.net>
(cherry picked from 7adf1f15ebe074d4767df941817a6cf86d8e2533 commit)
Setting the wraplength to zero keeps the bird from trimming WS.
Signed-off-by: <gitzilla@gmail.com>
(cherry picked from 1d535d525d6a0ddddc3755065d721278bc5f0aff commit)
Now the rebase is rewritten to use git cherry-pick, there is no user
for that ancient script. I've checked Cogito and StGIT to make sure
they do not use it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Explain that an asterisk will be displayed in front of the current
branch when you run `git branch' to see which are available.
Signed-off-by: Amos Waterland <apw@rossby.metr.ou.edu>
Signed-off-by: Junio C Hamano <junkio@cox.net>
- It does not matter how I read git list. What matters is that
I do not necessarily read everything on it.
- Talk a bit about how to use applymbox to check one's own
patches.
- Talk a bit about PGP signed patches.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Add some documentation.
Text taken from the the commit messages and the command sources.
Signed-off-by: <gitzilla@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Gitzilla updated bunch of undocumented command pages, so move the
entries in the main documentation index around to put them in proper
category. Ordering within category will be fixed later.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Generate docs for gitk. Install them in the right deb package.
Signed-off-by: Tommi Virtanen <tv@debian.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Describe a DAG and octopus, and change wording of tree object.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Various updates and cleanups for my howto on using branches in GIT
as a Linux subsystem maintainer. Three categories of changes:
1) Updates for new features in GIT 0.99.5
2) Changes to use "git fetch" rather than "git pull" to update
local linus branch.
3) Cleanups suggested by Len Brown
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
- Use "working tree", "object name", "repository" as the canonical
term consistenly.
- Start formatting tutorial with asciidoc.
- Mention shared repository style of cooperation.
- Update with some usability enhancements recently made, such as
the "-m" flag to the "git commit" command.
Signed-off-by: Junio C Hamano <junkio@cox.net>
The text does not say anything interesting, but at least the
author list should reflect something close to reality.
Signed-off-by: Junio C Hamano <junkio@cox.net>
When showing only one branch a lot of default output becomes redundant,
so clean it up a bit, and document what is shown. Retire the earlier
implementation "git-show-branches-script".
Signed-off-by: Junio C Hamano <junkio@cox.net>
Changes to the descriptions of tree and tag objects, a link for ent, and
descriptions for rewind, rebase and core git were added.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Small fix (use "git branch" to make branches, rather than "git checkout -b").
Optimization for trivial patches (apply to release and merge to test).
Three sample scripts appended.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This also includes a script which does the sorting, and introduces
hyperlinks for every described term.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Based on the discussion on the git list, here are some important changes
to the glossary. (There is no cache, but an index. Use "object name"
rather than "SHA1". Reorder. Clarify.)
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Added -m and -M flags for git-cvsimport to detect merge commits in cvs.
While this trusts the commit message, in repositories where merge commits
indicate 'merged from FOOBRANCH' the import works surprisingly well.
Even if some merges from CVS are bogus or incomplete, the resulting
branches are in better state to go forward (and merge) than without any
merge detection.
Signed-off-by: Martin Langhoff <martin.langhoff@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
[jc: This is the version without asciidoc cross references;
Johannes says that the cross referenced one is generated from
this file using a Perl script, so I am placing this as the
source, and expecting to later receive the script and a Makefile
entry or two to massage this file into the final HTML or
whatever form.]
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
At one place in Documentation/tutorial.txt and several in the base
README, its was wrongly used in place of it's or vice versa. One
instance remains somewhere in Documentation/howto/, which I didn't
correct because it's in a quotation.
Signed-off-by: Greg Louis <glouis@dynamicro.ca>
Signed-off-by: Junio C Hamano <junkio@cox.net>
I track a CVS project which has a branch with a '/' in the branch name.
Since git wants the branch name to be a file name at the same time,
substitute that character to a '-' by default (override with "-s <subst>").
This should work well, despite the fact that a division and a difference
are completely different :-)
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
There are many programs like git-add not described at all, and the
organization of the list of commands may be suboptimal, but we have to
start somewhere.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Early versions of git-cvsimport defaulted to using preexisting keyword
expansion settings. This change preserves compatibility with existing cvs
imports and allows new repository migrations to kill keyword expansion.
After exploration of the different -k modes in the cvs protocol, we use -kk
which kills keyword expansion wherever possible. Against the protocol
spec, -ko and -kb will sometimes expand keywords.
Should improve our chances of detecting merges and reduce imported
repository size.
Signed-off: Martin Langhoff <martin.langhoff@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
The git-cvsimport-script had a copule of small bugs that prevented me
from importing a big CVS repository.
The first was that it didn't handle removed files with a multi-digit
primary revision number.
The second was that it was asking the CVS server for "F" messages,
although they were not handled.
I also updated the documentation for that script to correspond to
actual flags.
Signed-off-by: David K?5gedal <davidk@lysator.liu.se>
Signed-off-by: Junio C Hamano <junkio@cox.net>
[jc: the patch forgot to update the main git.txt documentation,
making all these new documentation practically no-op, so I added
a minimum attempt linking them from there.]
Signed-off-by: Ryan Anderson <ryan@michonline.com>
I would eventually like to move this to become a part of the tutorial,
but anyway, this was an excellent post that describes how topic
branches can be used to keep track of local changes.
Often I find myself wanting to do quick branches check when I am
not in the windowing environment and cannot run gitk.
This stupid script shows commits leading to the heads of
interesting branches with indication which ones belong to which
branches, so that fork point is somewhat discernible without
using gitk.
Signed-off-by: Junio C Hamano <junkio@cox.net>
I think these are useful, and I think putting them in a new "howto"
directory might help some users until we get to the point of splitting
up the tutorial to be easier to read.
Given the authorship, I think it's safe to put these in the repository.
Signed-off-by: Ryan Anderson <ryan@michonline.com>
Linus brought up that documentation for many commands have
incorrect attribution. I started counting lines again, but
ended up adding a handful of missing manual pages.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Not that I have stricter patch submission standard than ordinary
projects, I wanted to have it to make sure people understand
what they are doing when they add their own Signed-off-by line.
Signed-off-by: Junio C Hamano <junkio@cox.net>
$DESTDIR is more usual during the build than $dest and is what
is usually used in the makefiles, so let's use it too.
Signed-off-by: Petr Baudis <pasky@ucw.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This is a beginning of resurrecting the multi-head pulling support
for git-fetch-pack command. The git-fetch-script wrapper still
only knows about fetching a single head, without renaming, so it is
not very useful unless you directly call git-fetch-pack itself yet.
It also fixes a longstanding obsolete description of how the command
discovers the list of local commits.
The store operation was never useful because we needed to fetch
the objects needed to complete the reference. Remove it.
The fetch command fetch multiple references shortly to
replace the lost "store" functionality in more a generic way.
Signed-off-by: Junio C Hamano <junkio@cox.net>
[jc: Johannes spent time and effort to see how consistent our
use of terminilogy is, and as a byproduct made these corrections
not related to the terminology unification. I really appreciate
it.]
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
The king penguin said:
It has no point any more, all the tools check the file
status on their own, and yes, the thing should probably be
removed.
and the faithful servant makes it so.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Describe the renaming push. The wording is horrible and I would
appreciate a rewrite, but it is better than nothing ;-).
Signed-off-by: Junio C Hamano <junkio@cox.net>
The earlier one conflated update and post-update hooks for no
good reason. Correct that ugly hack. Now post-update hooks
will take the list of successfully updated refs.
Signed-off-by: Junio C Hamano <junkio@cox.net>
git-merge-cache reporting failed merge program is undesirable for
Cogito, since it emits its own more appropriate error message in that
case. However, I want to show other possible git-merge-cache error
messages. So -q will just silence this particular error.
Signed-off-by: Petr Baudis <pasky@ucw.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Fix a few typos.
Adapt to git-http-pull not borking on packed repositories.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
- Yes, push does not lock, but that does not mean it is not
meant for multi-user repository. It just ought to perform
correctly without using locks.
- Let's not pretend we know _the_ right way.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Just before updating a ref,
$GIT_DIR/hooks/update refname old-sha1 new-sha1
is called if executable. The hook can decline the ref to be
updated by exiting with a non-zero status, or allow it to be
updated by exiting with a zero status. The mechanism also
allows e.g sending of a mail with pushed commits on the remote
repository.
Documentation update with an example hook is included.
jc: The credits of the basic idea and initial implementation go
to Josef, but I ended up rewriting major parts of his patch, so
bugs are all mine. Also I changed the semantics for the hook
from his original version (which were post-update hook) so that
the hook can optionally decline to update the ref, and also can
be used to implement the overall cleanups. The latter was
primarily to implement a suggestion from Linus that calling
update-server-info should be made optional.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Document new (and not-so-new) flags of git-rev-list.
Signed-off-By: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Simple whitespace-related tidyups ensuring style consistency.
This is carried over from my old git-pb branch.
Signed-off-by: Petr Baudis <pasky@ucw.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Darrin Thompson noticed when he was showing off GIT to others
that the use of filenames "a" and "b" in the tutorial example
was unnecessarily confusing, especially with our "patch -p1"
prefix a/ and b/, without giving us any patch. I was very
tempted to change them back to l/ and k/ prefixes, but decided
to restrain myself and update the tutorial instead ;-).
Signed-off-by: Junio C Hamano <junkio@cox.net>
Add documentation for the git-peek-remote and link it from the
main index.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Teach people to use "git tag <tag-name>" instead of writing the current
HEAD by hand into the .git/refs/tags/<tag-name> file. Most people
probably don't really want to know about how git does things internally.
Update the recommended workflow for individual developers.
While they are tracking the origin, refs/heads/origin is updated
by "git fetch", so there is no need to manually copy FETCH_HEAD
to refs/heads/ anywhere.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Fix a typo in git-unpack-objects documentation.
Signed-off-by: Jan Veldeman <jan@mind.be>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Describe short-hand for remote repository used in fetch/pull.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Clarify that the hierarchy implied by the recommended workflow
is only informal.
Refer readers to nice illustration by Randy Dunlap.
Separate out the step to "push" to own public repository in the
workflow.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
The cvsimport example in the cvs migration document was still
using the old syntax for target repository after new and
improved cvsimport-script was merged.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Describe where you can pull from with a bit more detail.
Clarify description of pushing.
Add a section on packing repositories.
Add a section on recommended workflow for the project lead,
subsystem maintainers and individual developers.
Move "Tag" section around to make the flow of example simpler to
follow.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Talk about publishing to a public repository. Also fixes a
couple of typos.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This makes it straightforward for people wanting to build and install
the git man pages and the rest of the documentation to do so.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
With the recent work on setup_ident() there are
a few more possible diagnostic messages form git-commit-tree
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Sharing code between shell scripts and C is a challenge. The program
git-var allows us to have a set of named values that a shell script can
interrogate and a normal C program can simply call the functions that
compute them. Allowing sharing when computing plain test values.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This splits push-pull related commands into a separate
category. I think a bigger overhaul of the main index is
needed, but have not got around to it. Help is welcome.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This adds documentation for 'smarter push' family of commands.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This adds documentation for 'smarter pull' family of commands.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This adds documentation for creating packed archives, inspecting,
validating them, and unpacking them.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
The comment was left over from the days when we had a single
huge core-git.txt document. No more.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
While adding the documentation for these two commands, I noticed
that the name of the program on the other end (git-upload-pack)
is already almost configurable but git-clone-pack lacked command
line parameter parsing to actually use anything but default, so
I introduced --exec= like other remote commands while I was at it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This documents the two pack push-pull protocols used by the
smart upload-fetch/clone and send/receive commands.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
I got tired of maintaining almost duplicated descriptions in
diff-* brothers, both in usage string and documentation.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
git-cvsimport-script: add "import only" option which tells the script
not to perform a checkout after importing.
This ensures that the working directory and cache remain untouched and
will not create them if they do not exist.
Acked-by: Matthias Urlichs <smurf@smurf.noris.de>
Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This option allows a write-tree even if the referenced objects are not
in the database.
Signed-off-by: Bryan Larsen <bryan.larsen@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Add notes on branches, merging, tagging, and update some of the usage to
the friendlier "git cmd" syntax.
It's still ridiculously lacking, but perhaps it's a _bit_ more useful.
Add --info-only option to git-update-cache.
[JC demangled whitespace from the posted patch himself because he
liked it so much. Also adjusted to the index_fd() interface
slightly done differently from the original one.]
Signed-off-by: Bryan Larsen <bryan.larsen@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This patch makes the first half of write_sha1_file() and
index_fd() externally visible, to allow callers to compute the
object ID without actually storing it in the object database.
[JC demangled the whitespaces himself because he liked the patch
so much, and reworked the interface to index_fd() slightly,
taking suggestion from Linus and of his own.]
Signed-off-by: Bryan Larsen <bryan.larsen@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
If we're inside a checked out CVS repository, there is
no need to explicitly specify the module as it is
available in CVS/Repository.
Also read CVS/Root if it's available and -d is not specified.
Finally, explicitly pass root to cvsps as CVS/Root takes
precedence over CVSROOT.
Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
Given a list of <pack>.idx files, this command validates the
index file and the corresponding .pack file for consistency.
This patch also uses the same validation mechanism in fsck-cache
when the --full flag is used.
During normal operation, sha1_file.c verifies that a given .idx
file matches the .pack file by comparing the SHA1 checksum
stored in .idx file and .pack file as a minimum sanity check.
We may further want to check the pack signature and version when
we map the pack, but that would be a separate patch.
Earlier, errors to map a pack file was not flagged fatal but led
to a random fatal error later. This version explicitly die()s
when such an error is detected.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
The fsck-cache complains if objects referred to by files in .git/refs/
or objects stored in files under .git/objects/??/ are not found as
stand-alone SHA1 files (i.e. found in alternate object pools
GIT_ALTERNATE_OBJECT_DIRECTORIES or packed archives stored under
.git/objects/pack).
Although this is a good semantics to maintain consistency of a single
.git/objects directory as a self contained set of objects, it sometimes
is useful to consider it is OK as long as these "outside" objects are
available.
This commit introduces a new flag, --standalone, to git-fsck-cache.
When it is not specified, connectivity checks and .git/refs pointer
checks are taught that it is OK when expected objects do not exist under
.git/objects/?? hierarchy but are available from an packed archive or in
an alternate object pool.
Another new flag, --full, makes git-fsck-cache to check not only the
current GIT_OBJECT_DIRECTORY but also objects found in alternate object
pools and packed GIT archives.a
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
We use sha1_object_info() now, and getting size is also trivial.
I admit that this is more of "because we can" not "because I see
immediate need for it", though.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Packed delta files created by git-pack-objects seems to be the
way to go, and existing "delta" object handling code has exposed
the object representation details to too many places. Remove it
while we refactor code to come up with a proper interface in
sha1_file.c.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
In contrast to other plumbing tools, git-ssh-push only
allow a very restrictive form of commit-id filenames.
This patch removes this restriction.
Acked-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Patch for a completely rewritten file detected by the -B flag
was shown as a pair of creation followed by deletion in earlier
versions. This was an misguided attempt to make reviewing such
a complete rewrite easier, and unnecessarily ended up confusing
git-apply. Instead, show the entire contents of old version
prefixed with '-', followed by the entire contents of new
version prefixed with '+'. This gives the same easy-to-review
for human consumer while keeping it a single, regular
modification patch for machine consumption, something that even
GNU patch can grok.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This updates diff documentation to discuss --find-copies-harder,
and adds descriptions for options that were not described
earlier.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Slightly expand the cvsimport description, and make a couple of syntax
edits.
The way I figure it, telling someone why cvsimport is taking so long
will improve their overall user experience. :-)
Signed-off-by: Tommy McGuire <mcguire@crsr.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Now -B does not say silly "complete rewrite" anymore for small
files such as the one in the tutorial example.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This patch tidies up the git-rev-list documentation and epoch.c, which
are in severe clash with the unwritten coding style now, and quite
unreadable.
It also fixes up compile failures with older compilers due to variable
declarations after code.
The patch mostly wraps lines before or on the 80th column, removes
plenty of superfluous empty lines and changes comments from // to /* */.
Signed-off-by: Petr Baudis <pasky@ucw.cz>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Add missing "space" element to the description of the diff-format.
Signed-off-by: Christian Meder <chris@absolutegiganten.org>
Acked-by: Petr Baudis <pasky@ucw.cz>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
We should add a lot more information about how you copy repositories,
pulling and pushing, merging etc. Oh, well. I'm not exactly known for
my documentation skills. Maybe somebody else will help me..
This explains the new merge world order that formally assigns
specific meaning to each of three tree-ish command line
arguments. It also mentions -u option
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This implements the "never lose the current cache information or
the work tree state, but favor a successful merge over merge
failure" principle in the fast-forward two-tree merge operation.
It comes with a set of tests to cover all the cases described in
the case matrix found in the new documentation.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This fixes the documentation for git-ssh-push, as called by users (if you
run git-ssh-pull or git-ssh-push on one machine, the other runs on the
other machine, and they transfer data in the specified direction).
This also adds documentation for the -w option and for using filenames for
the commit-id (which does what you'd want: uses the source side's value,
not the value already on the target, even if you're running it on the
target).
It also credits me with the programs and the documentation for
git-ssh-push.
Someone who knows asciidoc should make sure I didn't mess up the
formatting. I'm only sure of the ascii part.
Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This patch linearises the GIT commit history graph into merge order
which is defined by invariants specified in Documentation/git-rev-list.txt.
The linearisation produced by this patch is superior in an objective sense
to that produced by the existing git-rev-list implementation in that
the linearisation produced is guaranteed to have the minimum number of
discontinuities, where a discontinuity is defined as an adjacent pair of
commits in the output list which are not related in a direct child-parent
relationship.
With this patch a graph like this:
a4 ---
| \ \
| b4 |
|/ | |
a3 | |
| | |
a2 | |
| | c3
| | |
| | c2
| b3 |
| | /|
| b2 |
| | c1
| | /
| b1
a1 |
| |
a0 |
| /
root
Sorts like this:
= a4
| c3
| c2
| c1
^ b4
| b3
| b2
| b1
^ a3
| a2
| a1
| a0
= root
Instead of this:
= a4
| c3
^ b4
| a3
^ c2
^ b3
^ a2
^ b2
^ c1
^ a1
^ b1
^ a0
= root
A test script, t/t6000-rev-list.sh, includes a test which demonstrates
that the linearisation produced by --merge-order has less discontinuities
than the linearisation produced by git-rev-list without the --merge-order
flag specified. To see this, do the following:
cd t
./t6000-rev-list.sh
cd trash
cat actual-default-order
cat actual-merge-order
The existing behaviour of git-rev-list is preserved, by default. To obtain
the modified behaviour, specify --merge-order or --merge-order --show-breaks
on the command line.
This version of the patch has been tested on the git repository and also on the linux-2.6
repository and has reasonable performance on both - ~50-100% slower than the original algorithm.
This version of the patch has incorporated a functional equivalent of the Linus' output limiting
algorithm into the merge-order algorithm itself. This operates per the notes associated
with Linus' commit 337cb3fb8da45f10fe9a0c3cf571600f55ead2ce.
This version has incorporated Linus' feedback regarding proposed changes to rev-list.c.
(see: [PATCH] Factor out filtering in rev-list.c)
This version has improved the way sort_first_epoch marks commits as uninteresting.
For more details about this change, refer to Documentation/git-rev-list.txt
and http://blackcubes.dyndns.org/epoch/.
Signed-off-by: Jon Seymour <jon.seymour@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Make the --force-remove flag behave same as --add, --remove and
--replace. This means I can do
git-update-cache --force-remove -- file1.c file2.c
which is probably saner and also makes it easier to use in cg-rm.
Signed-off-by: Petr Baudis <pasky@ucw.cz>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
In preparation for 1.0 release, this makes the command names
consistent with others in git-*-pull family.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
The documentation failed to describe "diff --git" extended diff
headers, so add some.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This adds documentation for the diffcore mechanism and explains
how numeric parameters to -B/-C/-M options affect the output,
which was left "black magic" so far.
The documentation is not connected to any of the other asciidoc
nodes yet. Awaiting for suggestions, fixes and help from other
people.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This addresses a concern raised by Jason McMullan in the mailing
list discussion. After retrieving and storing a potentially
deltified object, pull logic tries to check and fulfil its delta
dependency. When the pull procedure is killed at this point,
however, there was no easy way to recover by re-running pull,
since next run would have found that we already have that
deltified object and happily reported success, without really
checking its delta dependency is satisfied.
This patch introduces --recover option to git-*-pull family
which causes them to re-validate dependency of deltified objects
we are fetching. A new test t5100-delta-pull.sh covers such a
failure mode.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This patch updates diff documentation and usage strings:
- clarify the semantics of -R. It is not "output in reverse";
rather, it is "I will feed diff backwards". Semantically
they are different when -C is involved.
- describe -O in usage strings of diff-* brothers. It was
implemented, documented but not described in usage text.
Also it adds -O to diff-helper. Like -S (and unlike -M/-C/-B),
this option can work on sanitized diff-raw output produced by
the diff-* brothers. While we are at it, the call it makes to
diffcore is cleaned up to use the diffcore_std() like everybody
else, and the declaration for the low level diffcore routines
are moved from diff.h (public) to diffcore.h (private between
diff.c and diffcore backends).
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
document difference in behaviour w/ regard to tree vs. commit and
correct author information.
Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
When a remote repository is deltified, we need to get the
objects that a deltified object we want to obtain is based upon.
The initial parts of each retrieved SHA1 file is inflated and
inspected to see if it is deltified, and its base object is
asked from the remote side when it is. Since this partial
inflation and inspection has a small performance hit, it can
optionally be skipped by giving -d flag to git-*-pull commands.
This flag should be used only when the remote repository is
known to have no deltified objects.
Rsync transport does not have this problem since it fetches
everything the remote side has.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Use "git commit" instead of "git-commit-script", and talk about using
"git log" before introducing the more complex "git-whatchanged".
In short, try to make it feel a bit more normal to those poor souls
using CVS.
Do some whitspace edits too, to make the side notes stand out a bit
more.
