diff options
| -rw-r--r-- | Makefile | 1 | ||||
| -rw-r--r-- | builtin/update-index.c | 7 | ||||
| -rw-r--r-- | cache.h | 1 | ||||
| -rw-r--r-- | config.c | 14 | ||||
| -rw-r--r-- | config.h | 1 | ||||
| -rw-r--r-- | environment.c | 1 | ||||
| -rw-r--r-- | fsmonitor-settings.c | 114 | ||||
| -rw-r--r-- | fsmonitor-settings.h | 21 | ||||
| -rw-r--r-- | fsmonitor.c | 63 | ||||
| -rw-r--r-- | fsmonitor.h | 15 | ||||
| -rw-r--r-- | repository.h | 3 | ||||
| -rw-r--r-- | t/README | 4 |
12 files changed, 196 insertions, 49 deletions
@@ -908,6 +908,7 @@ LIB_OBJS += fmt-merge-msg.o LIB_OBJS += fsck.o LIB_OBJS += fsmonitor.o LIB_OBJS += fsmonitor-ipc.o +LIB_OBJS += fsmonitor-settings.o LIB_OBJS += gettext.o LIB_OBJS += gpg-interface.o LIB_OBJS += graph.o diff --git a/builtin/update-index.c b/builtin/update-index.c index aafe7ee..876112a 100644 --- a/builtin/update-index.c +++ b/builtin/update-index.c @@ -1236,14 +1236,17 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) } if (fsmonitor > 0) { - if (git_config_get_fsmonitor() == 0) + enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(r); + if (fsm_mode == FSMONITOR_MODE_DISABLED) { warning(_("core.fsmonitor is unset; " "set it if you really want to " "enable fsmonitor")); + } add_fsmonitor(&the_index); report(_("fsmonitor enabled")); } else if (!fsmonitor) { - if (git_config_get_fsmonitor() == 1) + enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(r); + if (fsm_mode > FSMONITOR_MODE_DISABLED) warning(_("core.fsmonitor is set; " "remove it if you really want to " "disable fsmonitor")); @@ -999,7 +999,6 @@ extern int core_preload_index; extern int precomposed_unicode; extern int protect_hfs; extern int protect_ntfs; -extern const char *core_fsmonitor; extern int core_apply_sparse_checkout; extern int core_sparse_checkout_cone; @@ -2626,20 +2626,6 @@ int git_config_get_max_percent_split_change(void) return -1; /* default value */ } -int git_config_get_fsmonitor(void) -{ - if (git_config_get_pathname("core.fsmonitor", &core_fsmonitor)) - core_fsmonitor = getenv("GIT_TEST_FSMONITOR"); - - if (core_fsmonitor && !*core_fsmonitor) - core_fsmonitor = NULL; - - if (core_fsmonitor) - return 1; - - return 0; -} - int git_config_get_index_threads(int *dest) { int is_bool, val; @@ -597,7 +597,6 @@ int git_config_get_pathname(const char *key, const char **dest); int git_config_get_index_threads(int *dest); int git_config_get_split_index(void); int git_config_get_max_percent_split_change(void); -int git_config_get_fsmonitor(void); /* This dies if the configured or default date is in the future */ int git_config_get_expiry(const char *key, const char **output); diff --git a/environment.c b/environment.c index fd0501e..00682e6 100644 --- a/environment.c +++ b/environment.c @@ -84,7 +84,6 @@ int protect_hfs = PROTECT_HFS_DEFAULT; #define PROTECT_NTFS_DEFAULT 1 #endif int protect_ntfs = PROTECT_NTFS_DEFAULT; -const char *core_fsmonitor; /* * The character that begins a commented line in user-editable file diff --git a/fsmonitor-settings.c b/fsmonitor-settings.c new file mode 100644 index 0000000..757d230 --- /dev/null +++ b/fsmonitor-settings.c @@ -0,0 +1,114 @@ +#include "cache.h" +#include "config.h" +#include "repository.h" +#include "fsmonitor-settings.h" + +/* + * We keep this structure defintion private and have getters + * for all fields so that we can lazy load it as needed. + */ +struct fsmonitor_settings { + enum fsmonitor_mode mode; + char *hook_path; +}; + +static void lookup_fsmonitor_settings(struct repository *r) +{ + struct fsmonitor_settings *s; + const char *const_str; + int bool_value; + + if (r->settings.fsmonitor) + return; + + CALLOC_ARRAY(s, 1); + s->mode = FSMONITOR_MODE_DISABLED; + + r->settings.fsmonitor = s; + + /* + * Overload the existing "core.fsmonitor" config setting (which + * has historically been either unset or a hook pathname) to + * now allow a boolean value to enable the builtin FSMonitor + * or to turn everything off. (This does imply that you can't + * use a hook script named "true" or "false", but that's OK.) + */ + switch (repo_config_get_maybe_bool(r, "core.fsmonitor", &bool_value)) { + + case 0: /* config value was set to <bool> */ + if (bool_value) + fsm_settings__set_ipc(r); + return; + + case 1: /* config value was unset */ + const_str = getenv("GIT_TEST_FSMONITOR"); + break; + + case -1: /* config value set to an arbitrary string */ + if (repo_config_get_pathname(r, "core.fsmonitor", &const_str)) + return; /* should not happen */ + break; + + default: /* should not happen */ + return; + } + + if (!const_str || !*const_str) + return; + + fsm_settings__set_hook(r, const_str); +} + +enum fsmonitor_mode fsm_settings__get_mode(struct repository *r) +{ + if (!r) + r = the_repository; + + lookup_fsmonitor_settings(r); + + return r->settings.fsmonitor->mode; +} + +const char *fsm_settings__get_hook_path(struct repository *r) +{ + if (!r) + r = the_repository; + + lookup_fsmonitor_settings(r); + + return r->settings.fsmonitor->hook_path; +} + +void fsm_settings__set_ipc(struct repository *r) +{ + if (!r) + r = the_repository; + + lookup_fsmonitor_settings(r); + + r->settings.fsmonitor->mode = FSMONITOR_MODE_IPC; + FREE_AND_NULL(r->settings.fsmonitor->hook_path); +} + +void fsm_settings__set_hook(struct repository *r, const char *path) +{ + if (!r) + r = the_repository; + + lookup_fsmonitor_settings(r); + + r->settings.fsmonitor->mode = FSMONITOR_MODE_HOOK; + FREE_AND_NULL(r->settings.fsmonitor->hook_path); + r->settings.fsmonitor->hook_path = strdup(path); +} + +void fsm_settings__set_disabled(struct repository *r) +{ + if (!r) + r = the_repository; + + lookup_fsmonitor_settings(r); + + r->settings.fsmonitor->mode = FSMONITOR_MODE_DISABLED; + FREE_AND_NULL(r->settings.fsmonitor->hook_path); +} diff --git a/fsmonitor-settings.h b/fsmonitor-settings.h new file mode 100644 index 0000000..a4c5d7b --- /dev/null +++ b/fsmonitor-settings.h @@ -0,0 +1,21 @@ +#ifndef FSMONITOR_SETTINGS_H +#define FSMONITOR_SETTINGS_H + +struct repository; + +enum fsmonitor_mode { + FSMONITOR_MODE_DISABLED = 0, + FSMONITOR_MODE_HOOK = 1, /* core.fsmonitor=<hook_path> */ + FSMONITOR_MODE_IPC = 2, /* core.fsmonitor=<true> */ +}; + +void fsm_settings__set_ipc(struct repository *r); +void fsm_settings__set_hook(struct repository *r, const char *path); +void fsm_settings__set_disabled(struct repository *r); + +enum fsmonitor_mode fsm_settings__get_mode(struct repository *r); +const char *fsm_settings__get_hook_path(struct repository *r); + +struct fsmonitor_settings; + +#endif /* FSMONITOR_SETTINGS_H */ diff --git a/fsmonitor.c b/fsmonitor.c index 448d0ee..0e961b7 100644 --- a/fsmonitor.c +++ b/fsmonitor.c @@ -3,6 +3,7 @@ #include "dir.h" #include "ewah/ewok.h" #include "fsmonitor.h" +#include "fsmonitor-ipc.h" #include "run-command.h" #include "strbuf.h" @@ -148,15 +149,18 @@ void write_fsmonitor_extension(struct strbuf *sb, struct index_state *istate) /* * Call the query-fsmonitor hook passing the last update token of the saved results. */ -static int query_fsmonitor(int version, const char *last_update, struct strbuf *query_result) +static int query_fsmonitor_hook(struct repository *r, + int version, + const char *last_update, + struct strbuf *query_result) { struct child_process cp = CHILD_PROCESS_INIT; int result; - if (!core_fsmonitor) + if (fsm_settings__get_mode(r) != FSMONITOR_MODE_HOOK) return -1; - strvec_push(&cp.args, core_fsmonitor); + strvec_push(&cp.args, fsm_settings__get_hook_path(r)); strvec_pushf(&cp.args, "%d", version); strvec_pushf(&cp.args, "%s", last_update); cp.use_shell = 1; @@ -225,17 +229,28 @@ void refresh_fsmonitor(struct index_state *istate) char *buf; unsigned int i; int is_trivial = 0; + struct repository *r = istate->repo ? istate->repo : the_repository; + enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(r); - if (!core_fsmonitor || istate->fsmonitor_has_run_once) + if (fsm_mode <= FSMONITOR_MODE_DISABLED || + istate->fsmonitor_has_run_once) return; - hook_version = fsmonitor_hook_version(); - istate->fsmonitor_has_run_once = 1; trace_printf_key(&trace_fsmonitor, "refresh fsmonitor"); + + if (fsm_mode == FSMONITOR_MODE_IPC) { + /* TODO */ + return; + } + + assert(fsm_mode == FSMONITOR_MODE_HOOK); + + hook_version = fsmonitor_hook_version(); + /* - * This could be racy so save the date/time now and query_fsmonitor + * This could be racy so save the date/time now and query_fsmonitor_hook * should be inclusive to ensure we don't miss potential changes. */ last_update = getnanotime(); @@ -243,13 +258,14 @@ void refresh_fsmonitor(struct index_state *istate) strbuf_addf(&last_update_token, "%"PRIu64"", last_update); /* - * If we have a last update token, call query_fsmonitor for the set of + * If we have a last update token, call query_fsmonitor_hook for the set of * changes since that token, else assume everything is possibly dirty * and check it all. */ if (istate->fsmonitor_last_update) { if (hook_version == -1 || hook_version == HOOK_INTERFACE_VERSION2) { - query_success = !query_fsmonitor(HOOK_INTERFACE_VERSION2, + query_success = !query_fsmonitor_hook( + r, HOOK_INTERFACE_VERSION2, istate->fsmonitor_last_update, &query_result); if (query_success) { @@ -280,7 +296,8 @@ void refresh_fsmonitor(struct index_state *istate) } if (hook_version == HOOK_INTERFACE_VERSION1) { - query_success = !query_fsmonitor(HOOK_INTERFACE_VERSION1, + query_success = !query_fsmonitor_hook( + r, HOOK_INTERFACE_VERSION1, istate->fsmonitor_last_update, &query_result); if (query_success) is_trivial = query_result.buf[0] == '/'; @@ -290,9 +307,12 @@ void refresh_fsmonitor(struct index_state *istate) trace2_data_intmax("fsm_hook", NULL, "query/trivial-response", 1); - trace_performance_since(last_update, "fsmonitor process '%s'", core_fsmonitor); - trace_printf_key(&trace_fsmonitor, "fsmonitor process '%s' returned %s", - core_fsmonitor, query_success ? "success" : "failure"); + trace_performance_since(last_update, "fsmonitor process '%s'", + fsm_settings__get_hook_path(r)); + trace_printf_key(&trace_fsmonitor, + "fsmonitor process '%s' returned %s", + fsm_settings__get_hook_path(r), + query_success ? "success" : "failure"); } /* @@ -429,7 +449,8 @@ void remove_fsmonitor(struct index_state *istate) void tweak_fsmonitor(struct index_state *istate) { unsigned int i; - int fsmonitor_enabled = git_config_get_fsmonitor(); + int fsmonitor_enabled = (fsm_settings__get_mode(istate->repo) + > FSMONITOR_MODE_DISABLED); if (istate->fsmonitor_dirty) { if (fsmonitor_enabled) { @@ -449,16 +470,8 @@ void tweak_fsmonitor(struct index_state *istate) istate->fsmonitor_dirty = NULL; } - switch (fsmonitor_enabled) { - case -1: /* keep: do nothing */ - break; - case 0: /* false */ - remove_fsmonitor(istate); - break; - case 1: /* true */ + if (fsmonitor_enabled) add_fsmonitor(istate); - break; - default: /* unknown value: do nothing */ - break; - } + else + remove_fsmonitor(istate); } diff --git a/fsmonitor.h b/fsmonitor.h index f20d726..3f41f65 100644 --- a/fsmonitor.h +++ b/fsmonitor.h @@ -3,6 +3,7 @@ #include "cache.h" #include "dir.h" +#include "fsmonitor-settings.h" extern struct trace_key trace_fsmonitor; @@ -57,7 +58,10 @@ int fsmonitor_is_trivial_response(const struct strbuf *query_result); */ static inline int is_fsmonitor_refreshed(const struct index_state *istate) { - return !core_fsmonitor || istate->fsmonitor_has_run_once; + enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(istate->repo); + + return fsm_mode <= FSMONITOR_MODE_DISABLED || + istate->fsmonitor_has_run_once; } /* @@ -67,7 +71,10 @@ static inline int is_fsmonitor_refreshed(const struct index_state *istate) */ static inline void mark_fsmonitor_valid(struct index_state *istate, struct cache_entry *ce) { - if (core_fsmonitor && !(ce->ce_flags & CE_FSMONITOR_VALID)) { + enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(istate->repo); + + if (fsm_mode > FSMONITOR_MODE_DISABLED && + !(ce->ce_flags & CE_FSMONITOR_VALID)) { istate->cache_changed = 1; ce->ce_flags |= CE_FSMONITOR_VALID; trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_clean '%s'", ce->name); @@ -83,7 +90,9 @@ static inline void mark_fsmonitor_valid(struct index_state *istate, struct cache */ static inline void mark_fsmonitor_invalid(struct index_state *istate, struct cache_entry *ce) { - if (core_fsmonitor) { + enum fsmonitor_mode fsm_mode = fsm_settings__get_mode(istate->repo); + + if (fsm_mode > FSMONITOR_MODE_DISABLED) { ce->ce_flags &= ~CE_FSMONITOR_VALID; untracked_cache_invalidate_path(istate, ce->name, 1); trace_printf_key(&trace_fsmonitor, "mark_fsmonitor_invalid '%s'", ce->name); diff --git a/repository.h b/repository.h index ca837cb..9bbb465 100644 --- a/repository.h +++ b/repository.h @@ -4,6 +4,7 @@ #include "path.h" struct config_set; +struct fsmonitor_settings; struct git_hash_algo; struct index_state; struct lock_file; @@ -35,6 +36,8 @@ struct repo_settings { int command_requires_full_index; int sparse_index; + struct fsmonitor_settings *fsmonitor; /* lazily loaded */ + int index_version; enum untracked_cache_setting core_untracked_cache; @@ -405,8 +405,8 @@ every 'git commit-graph write', as if the `--changed-paths` option was passed in. GIT_TEST_FSMONITOR=$PWD/t7519/fsmonitor-all exercises the fsmonitor -code path for utilizing a file system monitor to speed up detecting -new or changed files. +code paths for utilizing a (hook based) file system monitor to speed up +detecting new or changed files. GIT_TEST_INDEX_VERSION=<n> exercises the index read/write code path for the index version specified. Can be set to any valid version |