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* send-pack: tighten checks for remote namesJunio C Hamano2006-12-13
| | | | | | | | | | "git push $URL HEAD~6" created a bogus ref HEAD~6 immediately under $GIT_DIR of the remote repository. While we should keep refspecs that have arbitrary extended SHA-1 expression on the source side working (e.g. "HEAD~6:refs/tags/yesterday"), we should not create bogus ref on the other end. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Allow git push to delete remote ref.Junio C Hamano2006-11-24
| | | | | | | | | | | | | This allows you to say git send-pack $URL :refs/heads/$branch to delete the named remote branch. The refspec $src:$dst means replace the destination ref with the object known as $src on the local side, so this is a natural extension to make an empty $src mean "No object" to delete the target. Signed-off-by: Junio C Hamano <junkio@cox.net>
* make git-push a bit more verboseNicolas Pitre2006-11-01
| | | | | | | | | | Currently git-push displays progress status for the local packing of objects to send, but nothing once it starts to push it over the connection. Having progress status in that later case is especially nice when pushing lots of objects over a slow network link. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Tell between packed, unpacked and symbolic refs.Junio C Hamano2006-09-20
| | | | | | | | | This adds a "int *flag" parameter to resolve_ref() and makes for_each_ref() family to call callback function with an extra "int flag" parameter. They are used to give two bits of information (REF_ISSYMREF and REF_ISPACKED) about the ref. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Add callback data to for_each_ref() family.Junio C Hamano2006-09-20
| | | | | | | | | | | | | | | | | | | | This is a long overdue fix to the API for for_each_ref() family of functions. It allows the callers to specify a callback data pointer, so that the caller does not have to use static variables to communicate with the callback funciton. The updated for_each_ref() family takes a function of type int (*fn)(const char *, const unsigned char *, void *) and a void pointer as parameters, and calls the function with the name of the ref and its SHA-1 with the caller-supplied void pointer as parameters. The commit updates two callers, builtin-name-rev.c and builtin-pack-refs.c as an example. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Merge branch 'aw/send-pack'Junio C Hamano2006-09-13
|\ | | | | | | | | * aw/send-pack: send-pack: switch to using git-rev-list --stdin
| * send-pack: switch to using git-rev-list --stdinAndy Whitcroft2006-09-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When we are generating packs to update remote repositories we want to supply as much information as possible about the revisions that already exist to rev-list in order optimise the pack as much as possible. We need to pass two revisions for each branch we are updating in the remote repository and one for each additional branch. Where the remote repository has numerous branches we can run out of command line space to pass them. Utilise the git-rev-list --stdin mode to allow unlimited numbers of revision constraints. This allows us to move back to the much simpler unordered revision selection code. [jc: added some comments in the code to describe the pipe flow a bit.] Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* | Test return value of finish_connect()Franck Bui-Huu2006-09-13
|/ | | | | Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Use xmalloc instead of mallocJonas Fonseca2006-08-31
| | | | | Signed-off-by: Jonas Fonseca <fonseca@diku.dk> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Convert memcpy(a,b,20) to hashcpy(a,b).Shawn Pearce2006-08-23
| | | | | | | | | | | | | | | | | | | | | | | This abstracts away the size of the hash values when copying them from memory location to memory location, much as the introduction of hashcmp abstracted away hash value comparsion. A few call sites were using char* rather than unsigned char* so I added the cast rather than open hashcpy to be void*. This is a reasonable tradeoff as most call sites already use unsigned char* and the existing hashcmp is also declared to be unsigned char*. [jc: Splitted the patch to "master" part, to be followed by a patch for merge-recursive.c which is not in "master" yet. Fixed the cast in the latter hunk to combine-diff.c which was wrong in the original. Also converted ones left-over in combine-diff.c, diff-lib.c and upload-pack.c ] Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Do not use memcmp(sha1_1, sha1_2, 20) with hardcoded length.David Rientjes2006-08-17
| | | | | | | | | | | | | Introduces global inline: hashcmp(const unsigned char *sha1, const unsigned char *sha2) Uses memcmp for comparison and returns the result based on the length of the hash name (a future runtime decision). Acked-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
* remove unnecessary initializationsDavid Rientjes2006-08-15
| | | | | | | | [jc: I needed to hand merge the changes to the updated codebase, so the result needs to be checked.] Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Make pack_objects void.David Rientjes2006-08-14
| | | | | Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Remove TYPE_* constant macros and use object_type enums consistently.Linus Torvalds2006-07-12
| | | | | | | | | | | | | | | This updates the type-enumeration constants introduced to reduce the memory footprint of "struct object" to match the type bits already used in the packfile format, by removing the former (i.e. TYPE_* constant macros) and using the latter (i.e. enum object_type) throughout the code for consistency. Eventually we can stop passing around the "type strings" entirely, and this will help - no confusion about two different integer enumeration. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Improve git-peek-remoteLinus Torvalds2006-07-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This makes git-peek-remote able to basically do everything that git-ls-remote does (but obviously just for the native protocol, so no http[s]: or rsync: support). The default behaviour is the same, but you can now give a mixture of "--refs", "--tags" and "--heads" flags, where "--refs" forces git-peek-remote to only show real refs (ie none of the fakey tag lookups, but also not the special pseudo-refs like HEAD and MERGE_HEAD). The "--tags" and "--heads" flags respectively limit the output to just regular tags and heads, of course. You can still also ask to limit them by name too. You can combine the flags, so git peek-remote --refs --tags . will show all local _true_ tags, without the generated tag lookups (compare the output without the "--refs" flag). And "--tags --heads" will show both tags and heads, but will avoid (for example) any special refs outside of the standard locations. I'm also planning on adding a "--ignore-local" flag that allows us to ask it to ignore any refs that we already have in the local tree, but that's an independent thing. All this is obviously gearing up to making "git fetch" cheaper. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Shrink "struct object" a bitLinus Torvalds2006-06-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This shrinks "struct object" by a small amount, by getting rid of the "struct type *" pointer and replacing it with a 3-bit bitfield instead. In addition, we merge the bitfields and the "flags" field, which incidentally should also remove a useless 4-byte padding from the object when in 64-bit mode. Now, our "struct object" is still too damn large, but it's now less obviously bloated, and of the remaining fields, only the "util" (which is not used by most things) is clearly something that should be eventually discarded. This shrinks the "git-rev-list --all" memory use by about 2.5% on the kernel archive (and, perhaps more importantly, on the larger mozilla archive). That may not sound like much, but I suspect it's more on a 64-bit platform. There are other remaining inefficiencies (the parent lists, for example, probably have horrible malloc overhead), but this was pretty obvious. Most of the patch is just changing the comparison of the "type" pointer from one of the constant string pointers to the appropriate new TYPE_xxx small integer constant. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* sha1_name: warning ambiguous refs.Junio C Hamano2006-03-23
| | | | | | | | | This makes sure that many commands that take refs on the command line to honor core.warnambiguousrefs configuration. Earlier, the commands affected by this patch did not read the configuration file. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Const tightening.Junio C Hamano2006-03-05
| | | | | | | | | Mark Wooding noticed there was a type mismatch warning in git.c; this patch does things slightly differently (mostly tightening const) and was what I was holding onto, waiting for the setup-revisions change to be merged into the master branch. Signed-off-by: Junio C Hamano <junkio@cox.net>
*-. Merge branches 'jc/rev-list' and 'jc/pack-thin'Junio C Hamano2006-02-24
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * jc/rev-list: rev-list --objects: use full pathname to help hashing. rev-list --objects-edge: remove duplicated edge commit output. rev-list --objects-edge * jc/pack-thin: pack-objects: hash basename and direname a bit differently. pack-objects: allow "thin" packs to exceed depth limits pack-objects: use full pathname to help hashing with "thin" pack. pack-objects: thin pack micro-optimization. Use thin pack transfer in "git fetch". Add git-push --thin. send-pack --thin: use "thin pack" delta transfer. Thin pack - create packfile with missing delta base. Conflicts: pack-objects.c (taking "next") send-pack.c (taking "next")
| | * send-pack --thin: use "thin pack" delta transfer.Junio C Hamano2006-02-19
| |/ | | | | | | | | | | | | | | | | The new flag loosens the usual "self containedness" requirment of packfiles, and sends deltified representation of objects when we know the other side has the base objects needed to unpack them. This would help reducing the transfer size. Signed-off-by: Junio C Hamano <junkio@cox.net>
* | send-pack: do not give up when remote has insanely large number of refs.Junio C Hamano2006-02-22
|/ | | | | | | | | | | Stephen C. Tweedie noticed that we give up running rev-list when we see too many refs on the remote side. Limit the number of negative references we give to rev-list and continue. Not sending any negative references to rev-list is very bad -- we may be pushing a ref that is new to the other end. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Exec git programs without using PATH.Michal Ostrowski2006-01-13
| | | | | | | | | | | | | | | | | | | | | | | | | 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>
* send-pack/receive-pack: allow errors to be reported back to pusher.Junio C Hamano2005-12-27
| | | | | | | | | | | This updates the protocol between git-send-pack/git-receive-pack in a backward compatible way to allow failures at the receiving end to be propagated back to the sender. Most notably, versions of git-push before this could not notice if the update hook on the receiving end refused to update the ref for its own policy reasons. Signed-off-by: Junio C Hamano <junkio@cox.net>
* send-pack: reword non-fast-forward error message.Junio C Hamano2005-12-22
| | | | | | | | | | | | | | Wnen refusing to push a head, we said cryptic "remote 'branch' object X does not exist on local" or "remote ref 'branch' is not a strict subset of local ref 'branch'". That was gittish. Since the most likely reason this happens is because the pushed head was not up-to-date, clarify the error message to say that straight, and suggest pulling first. First noticed by Johannes and seconded by Andreas. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Avoid misleading success message on errorJohannes Schindelin2005-12-21
| | | | | | | | When a push fails (for example when the remote head does not fast forward to the desired ref) it is not correct to print "Everything up-to-date". Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Make "git-send-pack" less verbose by defaultLinus Torvalds2005-12-20
| | | | | | | | | | | | | | | | | | | | | | It used to make sense to have git-send-pack talk about the things it sent when (a) it was a new program and (b) nobody had a lot of tags and branches. These days, it's just distracting to see tons of 'refs/tags/xyz': up-to-date ... when updating a remote repo. So shut it up by default, and add a "--verbose" flag for those who really want to see it. Also, since this makes he case of everything being up-to-date just totally silent, make it say "Everything up-to-date" if no refs needed updating. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Make git-send-pack exit with error when some refs couldn't be pushed outPetr Baudis2005-12-13
| | | | | | | | | | | | In case some refs couldn't be pushed out due to an error (mostly the not-a-proper-subset error), make git-send-pack exit with non-zero status after the push is over (that is, it still tries to push out the rest of the refs). [jc: I adjusted a test for this change.] Signed-off-by: Petr Baudis <pasky@suse.cz> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Warn when send-pack does nothingDaniel Barkalow2005-12-04
| | | | | | | | | | If you try to push into an empty repository with no ref arguments to git push, it doesn't do anything and doesn't say anything. This adds a warning when send-pack isn't going to push anything, so you don't assume that it silently did what you wanted. Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* Make networking commands to work from a subdirectory.Junio C Hamano2005-11-28
| | | | | | | | | These are whole-tree operations and there is not much point making them operable from within a subdirectory, but it is easy to do so, and using setup_git_directory() upfront helps git:// proxy specification picked up from the correct place. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Be careful when dereferencing tags.Junio C Hamano2005-11-02
| | | | | | | | | | One caller of deref_tag() was not careful enough to make sure what deref_tag() returned was not NULL (i.e. we found a tag object that points at an object we do not have). Fix it, and warn about refs that point at such an incomplete tag where needed. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Ignore funny refname sent from remoteJunio C Hamano2005-10-15
| | | | | | | | | This allows the remote side (most notably, upload-pack) to show additional information without affecting the downloader. Peek-remote does not ignore them -- this is to make it useful for Pasky's automatic tag following. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Support +<src>:<dst> format in push as well.Junio C Hamano2005-08-24
| | | | Signed-off-by: Junio C Hamano <junkio@cox.net>
* Fix ref_newer() in send-pack.Junio C Hamano2005-08-05
| | | | | | | | | | When more than two references need to be checked with ref_newer() function, the second and later calls did not work correctly. This was because the later calls found commits retained by the "struct object" layer that still had smudges made by earlier calls. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Fix send-pack for non-commitish tags.Junio C Hamano2005-08-05
| | | | | | | | | | | | | | | | | | | Again I left the v2.6.11-tree tag behind. My bad. This commit makes sure that we do not barf when pushing a ref that is a non-commitish tag. You can update a remote ref under the following conditions: * You can always use --force. * Creating a brand new ref is OK. * If the remote ref is exactly the same as what you are pushing, it is OK (nothing is pushed). * You can replace a commitish with another commitish which is a descendant of it, if you can verify the ancestry between them; this and the above means you have to have what you are replacing. * Otherwise you cannot update; you need to use --force. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Renaming push.Junio C Hamano2005-08-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows git-send-pack to push local refs to a destination repository under different names. Here is the name mapping rules for refs. * If there is no ref mapping on the command line: - if '--all' is specified, it is equivalent to specifying <local> ":" <local> for all the existing local refs on the command line - otherwise, it is equivalent to specifying <ref> ":" <ref> for all the refs that exist on both sides. * <name> is just a shorthand for <name> ":" <name> * <src> ":" <dst> push ref that matches <src> to ref that matches <dst>. - It is an error if <src> does not match exactly one of local refs. - It is an error if <dst> matches more than one remote refs. - If <dst> does not match any remote refs, either - it has to start with "refs/"; <dst> is used as the destination literally in this case. - <src> == <dst> and the ref that matched the <src> must not exist in the set of remote refs; the ref matched <src> locally is used as the name of the destination. For example, - "git-send-pack --all <remote>" works exactly as before; - "git-send-pack <remote> master:upstream" pushes local master to remote ref that matches "upstream". If there is no such ref, it is an error. - "git-send-pack <remote> master:refs/heads/upstream" pushes local master to remote refs/heads/upstream, even when refs/heads/upstream does not exist. - "git-send-pack <remote> master" into an empty remote repository pushes the local ref/heads/master to the remote ref/heads/master. Signed-off-by: Junio C Hamano <junkio@cox.net>
* send-pack: handle partial pushes correctly.Junio C Hamano2005-08-03
| | | | | | | | | | | | | | | | | When pushing into multi-user repository, or when pushing to a repository from a local repository that has rebased branches that has been pruned, the destination repository can have head commits that are missing from the local repository. This should not matter as long as the local head of the branch being pushed is a proper superset of the destination branch, but we ended up trying to run rev-list telling it to exclude objects reachable from those heads missing from the local repository, causing it to barf. Prune those heads from the rev-list parameter list, and make sure we do not try to push a branch whose remote head is something we lack. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Make send-pack --all and explicit ref mutually exclusive.Junio C Hamano2005-08-02
| | | | | | | | | send-pack had a confusing misfeature that "send-pack --all master" updated all refs, while "send-pack --all" did not do anything. Make --all and explicit refs mutually exclusive, and make sure "send-pack --all" updates all refs. Signed-off-by: Junio C Hamano <junkio@cox.net>
* Fix potential send-pack SIGSEGVLinus Torvalds2005-07-26
| | | | | | | | | | | | | The check that the source is ahead of the destination incorrectly expects pop_most_recent_commit() to gracefully handle an empty list. Fix by just checking the list itself, rather than the return value of the pop function. [jc: I did the test script that demonstrated the problem] Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
* git-send-pack: verify that sender is a proper superset of receiverLinus Torvalds2005-07-19
| | | | | | This should make sure that if you have multiple people pushing to the same tree, they cannot overwrite each others work, but have to merge before being able to update the common reference tree.
* Merge three separate "fetch refs" functionsLinus Torvalds2005-07-16
| | | | | It really just boils down to one "get_remote_heads()" function, and a common "struct ref" structure definition.
* git-send-pack: add "--all" option to send all refs to the other sideLinus Torvalds2005-07-16
| | | | | This affects only refs that the other side doesn't already have. The ones it has are still filtered by the ref selection.
* [PATCH] Documentation: send/receive.Junio C Hamano2005-07-14
| | | | | | | 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>
* git-send-pack: Fix duplicate refname matchLinus Torvalds2005-07-11
| | | | | | | | | Cut-and-paste dup noticed by Junio. It's not even harmless, since a match also causes that match to be invalidated, so this made it impossible to update an existing branch by name. I'd only tested the case of "ref doesn't exist at all on the other end", which worked fine.
* Teach 'git-send-pack' to send new branches and tags.Linus Torvalds2005-07-08
| | | | | | | | | The protocol always supported it, but send-pack didn't actually know how to tell the other side about a new branch/tag. NOTE! You'll have to name it explicitly on the command line: if you don't name any branches, git-send-pack will default to the branches that already exist.
* Add "git_path()" and "head_ref()" helper functions.Linus Torvalds2005-07-05
| | | | | | | "git_path()" returns a static pathname pointer into the git directory using a printf-like format specifier. "head_ref()" works like "for_each_ref()", except for just the HEAD.
* Move ref path matching to connect.c libraryLinus Torvalds2005-07-04
| | | | It's a generic thing for matching refs from the other side.
* Factor out the ssh connection stuff from send-pack.cLinus Torvalds2005-07-04
| | | | I want to use it for git-fetch-pack too.
* Fix gcc warning in send-pack.cLinus Torvalds2005-07-03
| | | | | send_pack() was declared to return "int" (although nobody cared), but didn't actually return anything.
* Do ref matching on the sender side rather than on receiverLinus Torvalds2005-06-30
| | | | | | | | | | | | This makes the receiver always send a full list of valid refs, which will allow us to do better packs, as well as handle creation of new refs. Eventually. Right now we just moved the matching and enabled it. So now you can do git-send-pack host:path branch1 branch2 to only send branches "branch1" and "branch2".
* git-send-pack: actually send the object packLinus Torvalds2005-06-30
| | | | | | | | This concludes this lesson. I've actually successfully sent an update using the git-send-pack command. Probably tons of work still to do, and nasty debugging, but it's now actually potentially useful.
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