72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
#ifndef FSMONITOR_H
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#define FSMONITOR_H
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#include "fsmonitor-ll.h"
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#include "dir.h"
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#include "fsmonitor-settings.h"
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#include "object.h"
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#include "read-cache-ll.h"
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#include "trace.h"
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/*
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* Check if refresh_fsmonitor has been called at least once.
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* refresh_fsmonitor is idempotent. Returns true if fsmonitor is
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* not enabled (since the state will be "fresh" w/ CE_FSMONITOR_VALID unset)
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* This version is useful for assertions
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*/
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static inline int is_fsmonitor_refreshed(const struct index_state *istate)
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{
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enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(istate->repo);
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return fsm_mode <= FSMONITOR_MODE_DISABLED ||
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istate->fsmonitor_has_run_once;
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}
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/*
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* Set the given cache entries CE_FSMONITOR_VALID bit. This should be
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* called any time the cache entry has been updated to reflect the
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* current state of the file on disk.
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*
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* However, never mark submodules as valid. When commands like "git
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* status" run they might need to recurse into the submodule (using a
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* child process) to get a summary of the submodule state. We don't
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* have (and don't want to create) the facility to translate every
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* FS event that we receive and that happens to be deep inside of a
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* submodule back to the submodule root, so we cannot correctly keep
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* track of this bit on the gitlink directory. Therefore, we never
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* set it on submodules.
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*/
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static inline void mark_fsmonitor_valid(struct index_state *istate, struct cache_entry *ce)
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{
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enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(istate->repo);
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if (fsm_mode > FSMONITOR_MODE_DISABLED &&
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!(ce->ce_flags & CE_FSMONITOR_VALID)) {
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if (S_ISGITLINK(ce->ce_mode))
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return;
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istate->cache_changed |= FSMONITOR_CHANGED;
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ce->ce_flags |= CE_FSMONITOR_VALID;
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trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_clean '%s'", ce->name);
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}
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}
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/*
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* Clear the given cache entry's CE_FSMONITOR_VALID bit and invalidate
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* any corresponding untracked cache directory structures. This should
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* be called any time git creates or modifies a file that should
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* trigger an lstat() or invalidate the untracked cache for the
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* corresponding directory
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*/
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static inline void mark_fsmonitor_invalid(struct index_state *istate, struct cache_entry *ce)
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{
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enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(istate->repo);
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if (fsm_mode > FSMONITOR_MODE_DISABLED) {
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ce->ce_flags &= ~CE_FSMONITOR_VALID;
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untracked_cache_invalidate_path(istate, ce->name, 1);
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trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_invalid '%s'", ce->name);
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}
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}
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#endif
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