- 14 1月, 2007 19 次提交
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由 Shawn O. Pearce 提交于
Jon Smirl was finding it difficult to alter cvs2svn to generate branch commands prior to the first commit of the same branch. This change moves the 'from' command to be an optional parameter of the 'commit' command, thereby allowing a new branch to be defined at the moment it gets used to create the first commit on that branch. This change makes it impossible to create a branch with no commits on it as at least one commit is needed to register the branch. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Some architectures (e.g. SPARC) would require that we access pointers only on pointer-sized alignments. So ensure the pool allocator rounds out non-pointer sized allocations to the next pointer so we don't generate bad memory addresses. This could have occurred if we had previously allocated an atom whose string was not a whole multiple of the pointer size, for example. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Tree reloading allows fast-import to swap out the least-recently used branch by simply deallocating the data structures from memory that were associated with that branch. Later if the branch becomes active again it can lazily recreate those structures on demand by reloading the necessary trees from the pack file it originally wrote them to. The reloading process is implemented by mmap'ing the pack into memory and using a much tighter variant of the pack reading code contained in sha1_file.c. This was a blatent copy from sha1_file.c but the unpacking functions were significantly simplified and are actually now in a form that should make it easier to map only the necessary regions of a pack rather than the entire file. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Tags received from the frontend are generated in memory in a simple linked list in the order that the tag commands were sent by the frontend. If multiple different tag objects for the same tag name get generated the last one sent by the frontend will be the one that gets written out at termination. Multiple tag objects for the same name will cause all older tags of the same name to be lost. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
If the branch load count exceeds the number of branches created then the frontend is causing fast-import to page branches into and out of memory due to the way its ordering its commits. Performance can likely be increased if the frontend were to alter its commit sequence such that it stays on one branch before switching to another branch, then never returns to the prior branch. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Marks are now saved when the mark directive gets used by the frontend and may be used in place of a SHA1 expression to locate a previous SHA1 which fast-import may have generated. This is particularly useful with commits where the frontend does not (easily) have the ability to compute the SHA1 for an arbitrary commit but needs it to generate a branch or tag from that commit. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
The following command line options are now accepted before the pack name: --objects=n # replaces the object count after the pack name --depth=n # delta chain depth to use (default is 10) --active-branches=n # maximum number of branches to keep in memory Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Growing a tree caused all subtrees to be deallocated and put back into the free list yet those subtree's contents were still actively in use. Consequently they were doled out again and got stomped on elsewhere. Releasing a tree is now performed in two parts, either releasing only the content array or releasing the content array and recursively releasing the subtree(s). Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
If a frontend is smart enough to import a symlink then we should let them do so. We'll assume that they were smart enough to first generate a blob to hold the link target, as that's how symlinks get represented in GIT. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Signed-off-by: NShawn O. Pearce <spearce@spearce.org> Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Frontend clients can now send a text stream to fast-import rather than a binary stream. This should facilitate developing frontend software as the data stream is easier to view, manipulate and debug my hand and Mark-I eyeball. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
When accepting revision SHA1 IDs from the frontend verify the SHA1 actually refers to a blob and is known to exist. Its an error to use a SHA1 in a tree if the blob doesn't exist as this would cause git-fsck-objects to report a missing blob should the pack get closed without the blob being appended into it or a subsequent pack. So right now we'll just ask that the frontend "pre-declare" any blobs it wants to use in a tree before it can use them. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
The tree of the current commit can be altered by file_change commands before the commit gets written to the pack. The file changes are rather primitive as they simply allow removal of a tree entry or setting/adding a tree entry. Currently trees and commits aren't being deltafied when written to the pack and branch reloading from the current pack doesn't work, so at most 5 branches can be worked with at any one time. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
This provides the basic data structures needed to store trees in memory while we are processing them for a branch. What we are attempting to do is track one complete tree for each branch that the frontend has registered with us through the 'newb' (new_branch) command. When the frontend edits that tree through 'updf' or 'delf' commands we'll mark the affected tree(s) as being dirty and recompute their objects during 'comt' (commit). Currently the protocol is decidedly _not_ user friendly. I crashed fast-import by giving it bad input data from Perl. I may try to improve upon it, or at least upon its error handling. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Moved the new_blob logic off into a new subroutine and invoked it when getting the 'blob' command. Added statistics dump to STDERR when the program terminates listing what it did at a high level. This is somewhat interesting. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Too many globals variables were being used not not enough code was resuable to process trees and commits so this is a simple refactoring of the existing blob processing code to get into a state that will be easier to handle trees and commits in. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Although its easy to ask the user to tell us how many objects they will need, its probably better to dynamically grow the object table in large units. But if the user can give us a hint as to roughly how many objects then we can still use it during startup. Also stopped printing the SHA1 strings to stdout as no user is currently making use of that facility. Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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由 Shawn O. Pearce 提交于
Signed-off-by: NShawn O. Pearce <spearce@spearce.org>
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