surma
4b27e9afd5
Local workflow, smart-HTTP clone/fetch/push and public HTTPS clone/fetch match native git in stdout and exit codes. Only WASI imports (wasi:http, exit-with-code).
60 lines
3.0 KiB
Rust
60 lines
3.0 KiB
Rust
/// Configuration related to sparse indexes.
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#[derive(Debug, Default, Clone, Copy)]
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pub struct Options {
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/// If true, certain entries in the index will be excluded / skipped for certain operations,
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/// based on the ignore patterns in the `.git/info/sparse-checkout` file. These entries will
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/// carry the [`SKIP_WORKTREE`][crate::entry::Flags::SKIP_WORKTREE] flag.
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///
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/// This typically is the value of `core.sparseCheckout` in the git configuration.
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pub sparse_checkout: bool,
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/// Interpret the `.git/info/sparse-checkout` file using _cone mode_.
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///
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/// If true, _cone mode_ is active and entire directories will be included in the checkout, as well as files in the root
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/// of the repository.
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/// If false, non-cone mode is active and entries to _include_ will be matched with patterns like those found in `.gitignore` files.
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///
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/// This typically is the value of `core.sparseCheckoutCone` in the git configuration.
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pub directory_patterns_only: bool,
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/// If true, will attempt to write a sparse index file which only works in cone mode.
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///
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/// A sparse index has [`DIR` entries][crate::entry::Mode::DIR] that represent entire directories to be skipped
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/// during checkout and other operations due to the added presence of
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/// the [`SKIP_WORKTREE`][crate::entry::Flags::SKIP_WORKTREE] flag.
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///
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/// This is typically the value of `index.sparse` in the git configuration.
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pub write_sparse_index: bool,
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}
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impl Options {
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/// Derive a valid mode from all parameters that affect the 'sparseness' of the index.
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///
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/// Some combinations of them degenerate to one particular mode.
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pub fn sparse_mode(&self) -> Mode {
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match (
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self.sparse_checkout,
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self.directory_patterns_only,
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self.write_sparse_index,
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) {
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(true, true, true) => Mode::IncludeDirectoriesStoreIncludedEntriesAndExcludedDirs,
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(true, true, false) => Mode::IncludeDirectoriesStoreAllEntriesSkipUnmatched,
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(true, false, _) => Mode::IncludeByIgnorePatternStoreAllEntriesSkipUnmatched,
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(false, _, _) => Mode::Disabled,
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}
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}
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}
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/// Describes the configuration how a sparse index should be written, or if one should be written at all.
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#[derive(Debug)]
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pub enum Mode {
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/// index with DIR entries for exclusion and included entries, directory-only include patterns in `.git/info/sparse-checkout` file.
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IncludeDirectoriesStoreIncludedEntriesAndExcludedDirs,
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/// index with all file entries and skip worktree flags for exclusion, directory-only include patterns in `.git/info/sparse-checkout` file.
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IncludeDirectoriesStoreAllEntriesSkipUnmatched,
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/// index with all file entries and skip-worktree flags for exclusion, `ignore` patterns to include entries in `.git/info/sparse-checkout` file.
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IncludeByIgnorePatternStoreAllEntriesSkipUnmatched,
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/// index with all entries, non is excluded, `.git/info/sparse-checkout` file is not considered, a regular index.
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Disabled,
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}
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