- 07 6月, 2005 1 次提交
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由 Daniel Barkalow 提交于
This patch adds code to read a hash out of a specified file under {GIT_DIR}/refs/, and to write such files atomically and optionally with an compare and lock. Signed-off-by: NDaniel Barkalow <barkalow@iabervon.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 03 6月, 2005 2 次提交
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由 Junio C Hamano 提交于
This adds sha1_file_size() helper function and uses it in the rename/copy similarity estimator. The helper function handles deltified object as well. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Junio C Hamano 提交于
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: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 02 6月, 2005 2 次提交
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由 Linus Torvalds 提交于
Make a separate helper for parsing the header of an object file (really carefully) and for unpacking the rest. This means that anybody who uses the "unpack_sha1_header()" interface can easily look at the header and decide to unpack the rest too, without doing any extra work.
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由 Linus Torvalds 提交于
It's for people who aren't necessarily interested in the whole unpacked file, but do want to know the header information (size, type, etc..) For example, the delta code can use this to figure out whether an object is already a delta object, and what it is a delta against, without actually bothering to unpack all of the actual data in the delta.
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- 26 5月, 2005 1 次提交
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由 Linus Torvalds 提交于
This makes them easier to parse without having to worry about running off the end, and allows us to treat commits as normal strings.
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- 23 5月, 2005 1 次提交
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由 Linus Torvalds 提交于
Add <limits.h> to the include files handled by "cache.h", and remove extraneous #include directives from various .c files. The rule is that "cache.h" gets all the basic stuff, so that we'll have as few system dependencies as possible.
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- 21 5月, 2005 2 次提交
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由 Nicolas Pitre 提交于
This makes the core code aware of delta objects and undeltafy them as needed. The convention is to use read_sha1_file() to have undeltafication done automatically (most users do that already so this is transparent). If the delta object itself has to be accessed then it must be done through map_sha1_file() and unpack_sha1_file(). In that context mktag.c has been switched to read_sha1_file() as there is no reason to do the full map+unpack manually. Signed-off-by: NNicolas Pitre <nico@cam.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Linus Torvalds 提交于
Fix various things that sparse complains about: - use NULL instead of 0 - make sure we declare everything properly, or mark it static - use proper function declarations ("fn(void)" instead of "fn()") Sparse is always right.
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- 18 5月, 2005 1 次提交
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由 Brian Gerst 提交于
- Raw hashes should be unsigned char. - String functions want signed char. - Hash and compress functions want unsigned char. Signed-off By: Brian Gerst <bgerst@didntduck.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 10 5月, 2005 2 次提交
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由 Junio C Hamano 提交于
During the mailing list discussion on renaming GIT_ environment variables, people felt that having one environment that lets the user (or Porcelain) specify both SHA1_FILE_DIRECTORY (now GIT_OBJECT_DIRECTORY) and GIT_INDEX_FILE for the default layout would be handy. This change introduces GIT_DIR environment variable, from which the defaults for GIT_INDEX_FILE and GIT_OBJECT_DIRECTORY are derived. When GIT_DIR is not defined, it defaults to ".git". GIT_INDEX_FILE defaults to "$GIT_DIR/index" and GIT_OBJECT_DIRECTORY defaults to "$GIT_DIR/objects". Special thanks for ideas and discussions go to Petr Baudis and Daniel Barkalow. Bugs are mine ;-) Signed-off-by: NJunio C Hamano <junkio@cox.net>
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由 Junio C Hamano 提交于
H. Peter Anvin mentioned that using SHA1_whatever as an environment variable name is not nice and we should instead use names starting with "GIT_" prefix to avoid conflicts. Here is what this patch does: * Renames the following environment variables: New name Old Name GIT_AUTHOR_DATE AUTHOR_DATE GIT_AUTHOR_EMAIL AUTHOR_EMAIL GIT_AUTHOR_NAME AUTHOR_NAME GIT_COMMITTER_EMAIL COMMIT_AUTHOR_EMAIL GIT_COMMITTER_NAME COMMIT_AUTHOR_NAME GIT_ALTERNATE_OBJECT_DIRECTORIES SHA1_FILE_DIRECTORIES GIT_OBJECT_DIRECTORY SHA1_FILE_DIRECTORY * Introduces a compatibility macro, gitenv(), which does an getenv() and if it fails calls gitenv_bc(), which in turn picks up the value from old name while giving a warning about using an old name. * Changes all users of the environment variable to fetch environment variable with the new name using gitenv(). * Updates the documentation and scripts shipped with Linus GIT distribution. The transition plan is as follows: * We will keep the backward compatibility list used by gitenv() for now, so the current scripts and user environments continue to work as before. The users will get warnings when they have old name but not new name in their environment to the stderr. * The Porcelain layers should start using new names. However, just in case it ends up calling old Plumbing layer implementation, they should also export old names, taking values from the corresponding new names, during the transition period. * After a transition period, we would drop the compatibility support and drop gitenv(). Revert the callers to directly call getenv() but keep using the new names. The last part is probably optional and the transition duration needs to be set to a reasonable value. Signed-off-by: NJunio C Hamano <junkio@cox.net>
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- 09 5月, 2005 1 次提交
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由 Junio C Hamano 提交于
This fixes stylistic problems and one unused variable spotted by Petr Baudis. The buf variable unused in prepare_alt_odb() is gone and the "creepy" function is more heavily documented. Signed-off-by: NJunio C Hamano <junkio@cox.net>
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- 08 5月, 2005 2 次提交
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由 Thomas Glanzmann 提交于
A deflate loop in sha1_file.c would have /* nothing */ as its body, but the semicolon was missing, so the next command was run. Fortunately the loop went through exactly once so it didn't trigger an actual bug so far. Signed-Off-by: NThomas Glanzmann <sithglan@stud.uni-erlangen.de> Signed-off-by: NPetr Baudis <pasky@ucw.cz>
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由 Thomas Glanzmann 提交于
<JC> Editorial Note. We may want to include standard headers in one of those headers everybody includes, e.g. cache.h, to reduce clutters, but this commit is as Thomas posted to the GIT list. Date: Sat, 7 May 2005 10:41:41 +0200 Signed-off-by: NThomas Glanzmann <sithglan@stud.uni-erlangen.de> Signed-off-by: NJunio C Hamano <junkio@cox.net>
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- 07 5月, 2005 3 次提交
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由 Junio C Hamano 提交于
This does not matter for commands that write just a handful SHA1 files, but is noticeable in git-convert-cache which essentially traverses the entire object database. Signed-off-by: NJunio C Hamano <junkio@cox.net>
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由 Junio C Hamano 提交于
SHA1_FILE_DIRECTORIES environment variable is a colon separated paths used when looking for SHA1 files not found in the usual place for reading. Creating a new SHA1 file does not use this alternate object database location mechanism. This is useful to archive older, rarely used objects into separate directories. Signed-off-by: NJunio C Hamano <junkio@cox.net>
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由 Junio C Hamano 提交于
Now all the users have gone. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 04 5月, 2005 2 次提交
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由 Linus Torvalds 提交于
Coda doesn't like cross-directory hardlinks. So try to fall back on a plain rename instead.
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由 Linus Torvalds 提交于
Make it much safer: we write to a temporary file, and then link that temporary file to the final destination. This avoids all the nasty races if several people write the same object at the same time. It should also result in nicer on-disk layout, since it means that objects all get created in the same subdirectory. That makes a lot of block allocation algorithms happier, since the objects will now be allocated from the same zone.
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- 02 5月, 2005 4 次提交
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由 Junio C Hamano 提交于
A new command, git-write-blob, is introduced. This registers the contents of any file on the filesystem as a blob in the object database and reports its SHA1 to the standard output. To implement it, the patch promotes index_fd() from a static function in update-cache.c to extern and moves it to a library source, sha1_file.c. This command is used to update git-merge-one-file-script so that it does not smudge the work tree. Signed-off-by: NJunio C Hamano <junkio@cox.net>
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由 Linus Torvalds 提交于
If somebody wants it later, we can re-do it, but for now we consider it an experiment that wasn't worth it. Git will still honor symbolic names, it just won't look up parents for you. Of course, you can always do it by hand if you want to.
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由 Linus Torvalds 提交于
It uses the jit syntax, at least for now. 0-xxxx is the first parent of xxxx, while 1-xxxx is the second, and so on. You can use just "-xxxx" for the first parent, but a lot of commands will think that the initial '-' implies a command line flag.
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由 Linus Torvalds 提交于
This allows the programs to use various simplified versions of the SHA1 names, eg just say "HEAD" for the SHA1 pointed to by the .git/HEAD file etc. For example, this commit has been done with git-commit-tree $(git-write-tree) -p HEAD instead of the traditional "$(cat .git/HEAD)" syntax.
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- 29 4月, 2005 1 次提交
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由 Junio C Hamano 提交于
This patch renames read_tree_with_tree_or_commit_sha1() to read_object_with_reference() and extends it to automatically dereference not just "commit" objects but "tag" objects. With this patch, you can say e.g.: ls-tree $tag read-tree -m $(merge-base $tag $HEAD) $tag $HEAD diff-cache $tag diff-tree $tag $HEAD Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 27 4月, 2005 1 次提交
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由 Christopher Li 提交于
Introduce xmalloc and xrealloc to die gracefully with a descriptive message when out of memory, rather than taking a SIGSEGV. Signed-off-by: Christopher Li<chrislgit@chrisli.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 26 4月, 2005 2 次提交
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由 Linus Torvalds 提交于
Use "unsigned long" for the size, like we do everywhere else.
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由 Linus Torvalds 提交于
The write function now adds the header to the file by itself, so there is no reason to duplicate it among all the users any more.
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- 25 4月, 2005 1 次提交
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由 Andreas Gal 提交于
Here is how to trigger it: echo blob 100 > .git/objects/00/ae4e8d3208e09f2cf7a38202a126f728cadb49 Then run fsck-cache. It will try to unpack after the header to calculate the hash, inflate returns total_out == 0 and memcpy() dies. The patch below seems to work with ZLIB 1.1 and 1.2. Signed-off-by: NAndreas Gal <gal@uci.edu> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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- 24 4月, 2005 2 次提交
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由 Daniel Barkalow 提交于
This adds two functions: one to check if an object is present in the local database, and one to add an object to the local database by reading it from a file descriptor and checking its hash. Signed-Off-By: NDaniel Barkalow <barkalow@iabervon.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Linus Torvalds 提交于
We really don't care about atime, and it sucks to dirty the inode cache just for it. This is more than a one-liner only because we need to be able to clear the O_NOATIME flag in case some of the objects are owned by others (in which case open will return EPERM), and because not everybody has the O_NOATIME flag.
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- 21 4月, 2005 3 次提交
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由 Linus Torvalds 提交于
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由 Junio C Hamano 提交于
This patch implements read_tree_with_tree_or_commit_sha1(), which can be used when you are interested in reading an unpacked raw tree data but you do not know nor care if the SHA1 you obtained your user is a tree ID or a commit ID. Before this function's introduction, you would have called read_sha1_file(), examined its type, parsed it to call read_sha1_file() again if it is a commit, and verified that the resulting object is a tree. Instead, this function does that for you. It returns NULL if the given SHA1 is not either a tree or a commit. Signed-off-by: NJunio C Hamano <junkio@cox.net> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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由 Linus Torvalds 提交于
Avoid the compression.
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- 20 4月, 2005 1 次提交
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由 Linus Torvalds 提交于
And add a "convert-cache" program to convert from old-style to new-style.
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- 19 4月, 2005 1 次提交
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由 Linus Torvalds 提交于
Do the usage and error reporting in "usage.c", and the sha1 file accesses in "sha1_file.c". Small, nice, easily separated parts. Good.
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