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130 lines
4.1 KiB
130 lines
4.1 KiB
git-commit-graph(1) |
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=================== |
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NAME |
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---- |
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git-commit-graph - Write and verify Git commit-graph files |
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SYNOPSIS |
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-------- |
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[verse] |
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'git commit-graph read' [--object-dir <dir>] |
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'git commit-graph verify' [--object-dir <dir>] [--shallow] [--[no-]progress] |
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'git commit-graph write' <options> [--object-dir <dir>] [--[no-]progress] |
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DESCRIPTION |
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----------- |
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Manage the serialized commit-graph file. |
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OPTIONS |
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------- |
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--object-dir:: |
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Use given directory for the location of packfiles and commit-graph |
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file. This parameter exists to specify the location of an alternate |
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that only has the objects directory, not a full `.git` directory. The |
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commit-graph file is expected to be in the `<dir>/info` directory and |
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the packfiles are expected to be in `<dir>/pack`. |
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--[no-]progress:: |
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Turn progress on/off explicitly. If neither is specified, progress is |
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shown if standard error is connected to a terminal. |
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COMMANDS |
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-------- |
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'write':: |
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Write a commit-graph file based on the commits found in packfiles. |
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With the `--stdin-packs` option, generate the new commit graph by |
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walking objects only in the specified pack-indexes. (Cannot be combined |
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with `--stdin-commits` or `--reachable`.) |
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With the `--stdin-commits` option, generate the new commit graph by |
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walking commits starting at the commits specified in stdin as a list |
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of OIDs in hex, one OID per line. (Cannot be combined with |
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`--stdin-packs` or `--reachable`.) |
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+ |
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With the `--reachable` option, generate the new commit graph by walking |
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commits starting at all refs. (Cannot be combined with `--stdin-commits` |
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or `--stdin-packs`.) |
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With the `--append` option, include all commits that are present in the |
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existing commit-graph file. |
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With the `--split` option, write the commit-graph as a chain of multiple |
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commit-graph files stored in `<dir>/info/commit-graphs`. The new commits |
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not already in the commit-graph are added in a new "tip" file. This file |
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is merged with the existing file if the following merge conditions are |
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met: |
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* If `--size-multiple=<X>` is not specified, let `X` equal 2. If the new |
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tip file would have `N` commits and the previous tip has `M` commits and |
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`X` times `N` is greater than `M`, instead merge the two files into a |
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single file. |
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* If `--max-commits=<M>` is specified with `M` a positive integer, and the |
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new tip file would have more than `M` commits, then instead merge the new |
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tip with the previous tip. |
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+ |
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Finally, if `--expire-time=<datetime>` is not specified, let `datetime` |
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be the current time. After writing the split commit-graph, delete all |
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unused commit-graph whose modified times are older than `datetime`. |
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'read':: |
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Read the commit-graph file and output basic details about it. |
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Used for debugging purposes. |
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'verify':: |
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Read the commit-graph file and verify its contents against the object |
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database. Used to check for corrupted data. |
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With the `--shallow` option, only check the tip commit-graph file in |
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a chain of split commit-graphs. |
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EXAMPLES |
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-------- |
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* Write a commit-graph file for the packed commits in your local `.git` |
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directory. |
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------------------------------------------------ |
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$ git commit-graph write |
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------------------------------------------------ |
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* Write a commit-graph file, extending the current commit-graph file |
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using commits in `<pack-index>`. |
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------------------------------------------------ |
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$ echo <pack-index> | git commit-graph write --stdin-packs |
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------------------------------------------------ |
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* Write a commit-graph file containing all reachable commits. |
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------------------------------------------------ |
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$ git show-ref -s | git commit-graph write --stdin-commits |
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------------------------------------------------ |
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* Write a commit-graph file containing all commits in the current |
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commit-graph file along with those reachable from `HEAD`. |
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------------------------------------------------ |
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$ git rev-parse HEAD | git commit-graph write --stdin-commits --append |
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------------------------------------------------ |
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* Read basic information from the commit-graph file. |
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------------------------------------------------ |
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$ git commit-graph read |
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------------------------------------------------ |
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GIT |
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--- |
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Part of the linkgit:git[1] suite
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