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2006-03-01diffcore-rename: split out the delta counting code.Junio C Hamano
This is to rework diffcore break/rename/copy detection code so that it does not affected when deltifier code gets improved. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-28Tie it all together: "git log"Linus Torvalds
This is what the previous diffs all built up to. We can do "git log" as a trivial small helper function inside git.c, because the infrastructure is all there for us to use as a library. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-28Introduce trivial new pager.c helper infrastructureLinus Torvalds
This introduces the new function void setup_pager(void); to set up output to be written through a pager applocation. All in preparation for doing the simple scripts in C. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-28Darwin: Ignore missing /sw/libShawn Pearce
When on Darwin platforms don't include Fink or DarwinPorts into the link path unless the related library directory is actually present. The linker on MacOS 10.4 complains if it is given a directory which does not exist. Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-26First cut at libifying revlist generationLinus Torvalds
This really just splits things up partially, and creates the interface to set things up by parsing the command line. No real code changes so far, although the parsing of filenames is a bit stricter. In particular, if there is a "--", then we do not accept any filenames before it, and if there isn't any "--", then we check that _all_ paths listed are valid, not just the first one. The new argument parsing automatically also gives us "--default" and "--not" handling as in git-rev-parse. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-25Build and install git-mailinfo.Junio C Hamano
The merge 712b1dd389ad5bcdbaab0279641f0970702fc1f1 was done incorrectly, and lost this program from Makefile. Big thanks go to Tony Luck for noticing it, and Linus for diagnosing it. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-23Merge branch 'ml/cvs'Junio C Hamano
* ml/cvs: Introducing git-cvsserver -- a CVS emulator for git.
2006-02-23Merge branch 'ra/anno'Junio C Hamano
* ra/anno: Use Ryan's git-annotate instead of jsannotate Add git-annotate, a tool for assigning blame.
2006-02-23Add new git-rm command with documentationCarl Worth
This adds a git-rm command which provides convenience similar to git-add, (and a bit more since it takes care of the rm as well if given -f). Like git-add, git-rm expands the given path names through git-ls-files. This means it only acts on files listed in the index. And it does act recursively on directories by default, (no -r needed as in the case of rm itself). When it recurses, it does not remove empty directories that are left behind. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-22Introducing git-cvsserver -- a CVS emulator for git.Martin Langhoff
git-cvsserver is highly functional. However, not all methods are implemented, and for those methods that are implemented, not all switches are implemented. All the common read operations are implemented, and add/remove/commit are supported. Testing has been done using both the CLI CVS client, and the Eclipse CVS plugin. Most functionality works fine with both of these clients. Currently git-cvsserver only works over SSH connections, see the Documentation for more details on how to configure your client. It does not support pserver for anonymous access but it should not be hard to implement. Anonymous access will need tighter input validation. In our very informal tests, it seems to be significantly faster than a real CVS server. This utility depends on a version of git-cvsannotate that supports -S and on DBD::SQLite. Licensed under GPLv2. Copyright The Open University UK. Authors: Martyn Smith <martyn@catalyst.net.nz> Martin Langhoff <martin@catalyst.net.nz> Signed-off-by: Martin Langhoff <martin@catalyst.net.nz> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-22Merge branch 'js/portable'Junio C Hamano
* js/portable: Fix "gmake -j" Really honour NO_PYTHON avoid makefile override warning Fixes for ancient versions of GNU make
2006-02-22Fix "gmake -j"Johannes Schindelin
In my attempt to port git to IRIX, I broke it. Sorry. Signed-off-by: Johannes E. Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-21Makefile tweaks: Solaris 9+ dont need iconv / move up uname variablesPaul Jakma
- Solaris 9 and up do not need -liconv, so NEEDS_LIBICONV should be set only for S8. - Move the declaration of the uname variables to early in the Makefile so they can be referenced by prefix and gitexecdir variables. - gitexecdir defaults to being same as bindir, it might as well reference that variable. [jc: corrupt patch, sneakily tried to remove inclusion of GIT-VERSION-FILE I do not know why I am applying this...] Signed-off-by: Paul Jakma <paul@quagga.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-21Add git-blame, a tool for assigning blame.Fredrik Kuivinen
I have also been working on a blame program. The algorithm is pretty much the one described by Junio in his blame.perl. My variant doesn't handle renames, but it shouldn't be too hard to add that. The output is minimal, just the line number followed by the commit SHA1. An interesting observation is that the output from my git-blame and your git-annotate doesn't match on all files in the git repository. One example where several lines differ is read-cache.c. I haven't investigated it further to find out which one is correct. The code should be considered as a work in progress. It certainly has a couple of rough edges. The output looks fairly sane on the few files I have tested it on, but it wouldn't be too surprising if it gets some cases wrong. [jc: adding it to pu for wider comments. I did minimum whitespace fixups but it still needs an indent run and -Wdeclaration-after-statement fixups.] Signed-off-by: Fredrik Kuivinen <freku045@student.liu.se> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-21Merge part of jc/portable branchJunio C Hamano
2006-02-21git-mktree: reverse of git-ls-tree.Junio C Hamano
This reads data in the format a (non recursive) ls-tree outputs and writes a tree object to the object database. The created tree object name is output to the standard output. For convenience, the input data does not need to be sorted; the command sorts the input lines internally. By request from Tommi Virtanen. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-21Merge branch 'lt/merge-tree'Junio C Hamano
* lt/merge-tree: git-merge-tree: generalize the "traverse <n> trees in sync" functionality Handling large files with GIT Handling large files with GIT
2006-02-20Add git-annotate, a tool for assigning blame.Ryan Anderson
Signed-off-by: Ryan Anderson <ryan@michonline.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-20Really honour NO_PYTHONJohannes Schindelin
Do not even test for subprocess (trying to execute python). Signed-off-by: Johannes E. Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-20avoid makefile override warningJohannes Schindelin
Signed-off-by: Johannes E. Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-19Fixes for ancient versions of GNU makeJohannes Schindelin
Some versions of GNU make do not understand $(call), and have problems to interpret rules like this: some_target: CFLAGS += -Dsome=defs [jc: simplified substitution a bit. ] Signed-off-by: Johannes E. Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-19Optionally work without pythonJohannes Schindelin
In some setups (notably server setups) you do not need that dependency. Gracefully handle the absence of python when NO_PYTHON is defined. Signed-off-by: Johannes E. Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-18Support IrixJohannes Schindelin
Signed-off-by: Johannes E. Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-18Optionally support old diffsJohannes Schindelin
Some versions of diff do not correctly detect a missing new-line at the end of the file under certain circumstances. When defining NO_ACCURATE_DIFF, work around this bug. Signed-off-by: Johannes E. Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-16Allow building Git in systems without iconvFernando J. Pereda
Systems using some uClibc versions do not properly support iconv stuff. This patch allows Git to be built on those systems by passing NO_ICONV=YesPlease to make. The only drawback is mailinfo won't do charset conversion in those systems. Signed-off-by: Fernando J. Pereda <ferdy@gentoo.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-16Handling large files with GITLinus Torvalds
On Tue, 14 Feb 2006, Junio C Hamano wrote: > Linus Torvalds <torvalds@osdl.org> writes: > > > If somebody is interested in making the "lots of filename changes" case go > > fast, I'd be more than happy to walk them through what they'd need to > > change. I'm just not horribly motivated to do it myself. Hint, hint. > > In case anybody is wondering, I share the same feeling. I > cannot say I'd be "more than happy to" clean up potential > breakages during the development of such changes, but if the > change eventually would help certain use cases, I can be > persuaded to help debugging such a mess ;-). Actually, I got interested in seeing how hard this is, and wrote a simple first cut at doing a tree-optimized merger. Let me shout a bit first: THIS IS WORKING CODE, BUT BE CAREFUL: IT'S A TECHNOLOGY DEMONSTRATION RATHER THAN THE FINAL PRODUCT! With that out of the way, let me descibe what this does (and then describe the missing parts). This is basically a three-way merge that works entirely on the "tree" level, rather than on the index. A lot of the _concepts_ are the same, though, and if you're familiar with the results of an index merge, some of the output will make more sense. You give it three trees: the base tree (tree 0), and the two branches to be merged (tree 1 and tree 2 respectively). It will then walk these three trees, and resolve them as it goes along. The interesting part is: - it can resolve whole sub-directories in one go, without actually even looking recursively at them. A whole subdirectory will resolve the same way as any individual files will (although that may need some modification, see later). - if it has a "content conflict", for subdirectories that means "try to do a recursive tree merge", while for non-subdirectories it's just a content conflict and we'll output the stage 1/2/3 information. - a successful merge will output a single stage 0 ("merged") entry, potentially for a whole subdirectory. - it outputs all the resolve information on stdout, so something like the recursive resolver can pretty easily parse it all. Now, the caveats: - we probably need to be more careful about subdirectory resolves. The trivial case (both branches have the exact same subdirectory) is a trivial resolve, but the other cases ("branch1 matches base, branch2 is different" probably can't be silently just resolved to the "branch2" subdirectory state, since it might involve renames into - or out of - that subdirectory) - we do not track the current index file at all, so this does not do the "check that index matches branch1" logic that the three-way merge in git-read-tree does. The theory is that we'd do a full three-way merge (ignoring the index and working directory), and then to update the working tree, we'd do a two-way "git-read-tree branch1->result" - I didn't actually make it do all the trivial resolve cases that git-read-tree does. It's a technology demonstration. Finally (a more serious caveat): - doing things through stdout may end up being so expensive that we'd need to do something else. In particular, it's likely that I should not actually output the "merge results", but instead output a "merge results as they _differ_ from branch1" However, I think this patch is already interesting enough that people who are interested in merging trees might want to look at it. Please keep in mind that tech _demo_ part, and in particular, keep in mind the final "serious caveat" part. In many ways, the really _interesting_ part of a merge is not the result, but how it _changes_ the branch we're merging into. That's particularly important as it should hopefully also mean that the output size for any reasonable case is minimal (and tracks what we actually need to do to the current state to create the final result). The code very much is organized so that doing the result as a "diff against branch1" should be quite easy/possible. I was actually going to do it, but I decided that it probably makes the output harder to read. I dunno. Anyway, let's think about this kind of approach.. Note how the code itself is actually quite small and short, although it's prbably pretty "dense". As an interesting test-case, I'd suggest this merge in the kernel: git-merge-tree $(git-merge-base 4cbf876 7d2babc) 4cbf876 7d2babc which resolves beautifully (there are no actual file-level conflicts), and you can look at the output of that command to start thinking about what it does. The interesting part (perhaps) is that timing that command for me shows that it takes all of 0.004 seconds.. (the git-merge-base thing takes considerably more ;) The point is, we _can_ do the actual merge part really really quickly. Linus PS. Final note: when I say that it is "WORKING CODE", that is obviously by my standards. IOW, I tested it once and it gave reasonable results - so it must be perfect. Whether it works for anybody else, or indeed for any other test-case, is not my problem ;) Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-16Print an error if cloning a http repo and NO_CURL is setFernando J. Pereda
If Git is compiled with NO_CURL=YesPlease and one tries to clone a http repository, git-clone tries to call the curl binary. This trivial patch prints an error instead in such situation. Signed-off-by: Fernando J. Pereda <ferdy@gentoo.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-14s/SHELL/SHELL_PATH/ in MakefileFredrik Kuivinen
With the current Makefile we don't use the shell chosen by the platform specific defines when we invoke GIT-VERSION-GEN. Signed-off-by: Fredrik Kuivinen <freku045@student.liu.se> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-10git-status -vJunio C Hamano
This revamps the git-status command to take the same set of parameters as git commit. It gives a preview of what is being committed with that command. With -v flag, it shows the diff output between the HEAD commit and the index that would be committed if these flags were given to git-commit command. git-commit also acquires -v flag (it used to mean "verify" but that is the default anyway and there is --no-verify to turn it off, so not much is lost), which uses the updated git-status -v to seed the commit log buffer. This is handy for writing a log message while reviewing the changes one last time. Now, git-commit and git-status are internally share the same implementation. Unlike previous git-commit change, this uses a temporary index to prepare the index file that would become the real index file after a successful commit, and moves it to the real index file once the commit is actually made. This makes it safer than the previous scheme, which stashed away the original index file and restored it after an aborted commit. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-07git-rerere: reuse recorded resolve.Junio C Hamano
In a workflow that employs relatively long lived topic branches, the developer sometimes needs to resolve the same conflict over and over again until the topic branches are done (either merged to the "release" branch, or sent out and accepted upstream). This commit introduces a new command, "git rerere", to help this process by recording the conflicted automerge results and corresponding hand-resolve results on the initial manual merge, and later by noticing the same conflicted automerge and applying the previously recorded hand resolution using three-way merge. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-02-06git-showJunio C Hamano
This is essentially 'git whatchanged -n1 --always --cc "$@"'. Just like whatchanged takes default flags from whatchanged.difftree configuration, this uses show.difftree configuration. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-28diff-tree -c: show a merge commit a bit more sensibly.Junio C Hamano
A new option '-c' to diff-tree changes the way a merge commit is displayed when generating a patch output. It shows a "combined diff" (hence the option letter 'c'), which looks like this: $ git-diff-tree --pretty -c -p fec9ebf1 | head -n 18 diff-tree fec9ebf... (from parents) Merge: 0620db3... 8a263ae... Author: Junio C Hamano <junkio@cox.net> Date: Sun Jan 15 22:25:35 2006 -0800 Merge fixes up to GIT 1.1.3 diff --combined describe.c @@@ +98,7 @@@ return (a_date > b_date) ? -1 : (a_date == b_date) ? 0 : 1; } - static void describe(char *arg) - static void describe(struct commit *cmit, int last_one) ++ static void describe(char *arg, int last_one) { + unsigned char sha1[20]; + struct commit *cmit; There are a few things to note about this feature: - The '-c' option implies '-p'. It also implies '-m' halfway in the sense that "interesting" merges are shown, but not all merges. - When a blob matches one of the parents, we do not show a diff for that path at all. For a merge commit, this option shows paths with real file-level merge (aka "interesting things"). - As a concequence of the above, an "uninteresting" merge is not shown at all. You can use '-m' in addition to '-c' to show the commit log for such a merge, but there will be no combined diff output. - Unlike "gitk", the output is monochrome. A '-' character in the nth column means the line is from the nth parent and does not appear in the merge result (i.e. removed from that parent's version). A '+' character in the nth column means the line appears in the merge result, and the nth parent does not have that line (i.e. added by the merge itself or inherited from another parent). The above example output shows that the function signature was changed from either parents (hence two "-" lines and a "++" line), and "unsigned char sha1[20]", prefixed by a " +", was inherited from the first parent. The code as sent to the list was buggy in few corner cases, which I have fixed since then. It does not bother to keep track of and show the line numbers from parent commits, which it probably should. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-27Add freebsd support in MakefileAlecs King
Needs iconv and third party lib/headers are inside /usr/local Signed-off-by: Alecs King <alecsk@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-25Add compat/unsetenv.c .Jason Riedy
Implement a (slow) unsetenv() for older systems. Signed-off-by: Jason Riedy <ejr@cs.berkeley.edu> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-25Run GIT-VERSION-GEN with $(SHELL), not sh.Jason Riedy
Alas, not all shells named sh are capable enough to run GIT-VERSION-GEN. Signed-off-by: Jason Riedy <ejr@cs.berkeley.edu> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-22DT_UNKNOWN: do not fully trust existence of DT_UNKNOWNJunio C Hamano
The recent Cygwin defines DT_UNKNOWN although it does not have d_type in struct dirent. Give an option to tell us not to use d_type on such platforms. Hopefully this problem will be transient. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-22fsck-objects: support platforms without d_ino in struct dirent.Junio C Hamano
The d_ino field is only used for performance reasons in fsck-objects. On a typical filesystem, i-number tends to have a strong correlation with where the actual bits sit on the disk platter, and we sort the entries to allow us scan things that ought to be close together together. If the platform lacks support for it, it is not a big deal. Just do not use d_ino for sorting, and scan them unsorted. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-22Makefile: do not assume lack of IPV6 means no sockaddr_storage.Junio C Hamano
Noticed first by Alex, that the latest Cygwin now properly has sockaddr_storage. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-20Disable USE_SYMLINK_HEAD by defaultPavel Roskin
Disable USE_SYMLINK_HEAD by default. Recommend using it only for compatibility with older software. Treat USE_SYMLINK_HEAD like other optional defines - check whether it's defined, not its value. Signed-off-by: Pavel Roskin <proski@gnu.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-14Fix the installation location.Junio C Hamano
The earlier change to separate $(gitexecdir) from $(bindir) had the installation location of the git wrapper and the rest of the commands the wrong way (right now, both of them point at the same location so there is no real harm). Also gitk needs to be installed in $(bindir). Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-14Exec git programs without using PATH.Michal Ostrowski
The git suite may not be in PATH (and thus programs such as git-send-pack could not exec git-rev-list). Thus there is a need for logic that will locate these programs. Modifying PATH is not desirable as it result in behavior differing from the user's intentions, as we may end up prepending "/usr/bin" to PATH. - git C programs will use exec*_git_cmd() APIs to exec sub-commands. - exec*_git_cmd() will execute a git program by searching for it in the following directories: 1. --exec-path (as used by "git") 2. The GIT_EXEC_PATH environment variable. 3. $(gitexecdir) as set in Makefile (default value $(bindir)). - git wrapper will modify PATH as before to enable shell scripts to invoke "git-foo" commands. Ideally, shell scripts should use the git wrapper to become independent of PATH, and then modifying PATH will not be necessary. [jc: with minor updates after a brief review.] Signed-off-by: Michal Ostrowski <mostrows@watson.ibm.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-13Makefile: add 'strip' targetJunio C Hamano
This is not invoked by any other target (most notably, "make install" does not), but is provided as a convenience for people who are building from the source. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-10For release tarballs, include the proper versionH. Peter Anvin
When producing a release tarball, include a "version" file, which GIT-VERSION-GEN can then use to do the right thing when building from a tarball. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-08GIT 1.1.0v1.1.0Junio C Hamano
2006-01-08GIT 1.0.8v1.0.8Junio C Hamano
2006-01-07Retire debian/ directory.Junio C Hamano
The official maintainer is keeping up-to-date quite well, and now the older Debian is supported with backports.org, there is no reason for me to keep debian/ directory around here. I have not been building and publishing debs since 1.0.4 anyway. Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-01-06GIT 1.0.7v1.0.7Junio C Hamano
Signed-off-by: Junio C Hamano <junkio@cox.net>
2005-12-28GIT 1.0.6v1.0.6Junio C Hamano
Signed-off-by: Junio C Hamano <junkio@cox.net>
2005-12-28Makefile: use git-describe to mark the git version.Junio C Hamano
Note: with this commit, the GIT maintainer workflow must change. GIT-VERSION-GEN is now the file to munge when the default version needs to be changed, not Makefile. The tag needs to be pushed into the repository to build the official tarball and binary package beforehand. Signed-off-by: Junio C Hamano <junkio@cox.net>
2005-12-28Add a "git-describe" commandLinus Torvalds
It shows you the most recent tag that is reachable from a particular commit is. Maybe this is something that "git-name-rev" should be taught to do, instead of having a separate command for it. Regardless, I find it useful. What it does is to take any random commit, and "name" it by looking up the most recent commit that is tagged and reachable from that commit. If the match is exact, it will just print out that ref-name directly. Otherwise it will print out the ref-name, followed by the 8-character "short SHA". IOW, with something like Junios current tree, I get: [torvalds@g5 git]$ git-describe parent refs/tags/v1.0.4-g2414721b ie the current head of my "parent" branch (ie Junio) is based on v1.0.4, but since it has a few commits on top of that, it has added the git hash of the thing to the end: "-g" + 8-char shorthand for the commit 2414721b194453f058079d897d13c4e377f92dc6. Doing a "git-describe" on a tag-name will just show the full tag path: [torvalds@g5 git]$ git-describe v1.0.4 refs/tags/v1.0.4 unless there are _other_ tags pointing to that commit, in which case it will just choose one at random. This is useful for two things: - automatic version naming in Makefiles, for example. We could use it in git itself: when doing "git --version", we could use this to give a much more useful description of exactly what version was installed. - for any random commit (say, you use "gitk <pathname>" or "git-whatchanged" to look at what has changed in some file), you can figure out what the last version of the repo was. Ie, say I find a bug in commit 39ca371c45b04cd50d0974030ae051906fc516b6, I just do: [torvalds@g5 linux]$ git-describe 39ca371c45b04cd50d0974030ae051906fc516b6 refs/tags/v2.6.14-rc4-g39ca371c and I now know that it was _not_ in v2.6.14-rc4, but was presumably in v2.6.14-rc5. The latter is useful when you want to see what "version timeframe" a commit happened in. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>