Andrew's git - gitweb.git/blob

   1#ifndef FSMONITOR_H
   2#define FSMONITOR_H
   3
   4#include "cache.h"
   5#include "dir.h"
   6
   7extern struct trace_key trace_fsmonitor;
   8
   9/*
  10 * Read the fsmonitor index extension and (if configured) restore the
  11 * CE_FSMONITOR_VALID state.
  12 */
  13int read_fsmonitor_extension(struct index_state *istate, const void *data, unsigned long sz);
  14
  15/*
  16 * Fill the fsmonitor_dirty ewah bits with their state from the index,
  17 * before it is split during writing.
  18 */
  19void fill_fsmonitor_bitmap(struct index_state *istate);
  20
  21/*
  22 * Write the CE_FSMONITOR_VALID state into the fsmonitor index
  23 * extension.  Reads from the fsmonitor_dirty ewah in the index.
  24 */
  25void write_fsmonitor_extension(struct strbuf *sb, struct index_state *istate);
  26
  27/*
  28 * Add/remove the fsmonitor index extension
  29 */
  30void add_fsmonitor(struct index_state *istate);
  31void remove_fsmonitor(struct index_state *istate);
  32
  33/*
  34 * Add/remove the fsmonitor index extension as necessary based on the current
  35 * core.fsmonitor setting.
  36 */
  37void tweak_fsmonitor(struct index_state *istate);
  38
  39/*
  40 * Run the configured fsmonitor integration script and clear the
  41 * CE_FSMONITOR_VALID bit for any files returned as dirty.  Also invalidate
  42 * any corresponding untracked cache directory structures. Optimized to only
  43 * run the first time it is called.
  44 */
  45void refresh_fsmonitor(struct index_state *istate);
  46
  47/*
  48 * Set the given cache entries CE_FSMONITOR_VALID bit. This should be
  49 * called any time the cache entry has been updated to reflect the
  50 * current state of the file on disk.
  51 */
  52static inline void mark_fsmonitor_valid(struct index_state *istate, struct cache_entry *ce)
  53{
  54        if (core_fsmonitor && !(ce->ce_flags & CE_FSMONITOR_VALID)) {
  55                istate->cache_changed = 1;
  56                ce->ce_flags |= CE_FSMONITOR_VALID;
  57                trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_clean '%s'", ce->name);
  58        }
  59}
  60
  61/*
  62 * Clear the given cache entry's CE_FSMONITOR_VALID bit and invalidate
  63 * any corresponding untracked cache directory structures. This should
  64 * be called any time git creates or modifies a file that should
  65 * trigger an lstat() or invalidate the untracked cache for the
  66 * corresponding directory
  67 */
  68static inline void mark_fsmonitor_invalid(struct index_state *istate, struct cache_entry *ce)
  69{
  70        if (core_fsmonitor) {
  71                ce->ce_flags &= ~CE_FSMONITOR_VALID;
  72                untracked_cache_invalidate_path(istate, ce->name, 1);
  73                trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_invalid '%s'", ce->name);
  74        }
  75}
  76
  77#endif