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[PATCH v5 10/15] update-index: enable/disable watchman support

From
David Turner <dturner@twopensource.com>
Date
Apr 19, 2016, 23:28 UTC
Message-ID
<1461108489-29376-11-git-send-email-dturner@twopensource.com>
In-Reply-To
<1461108489-29376-1-git-send-email-dturner@twopensource.com>
From: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: David Turner <dturner@twopensource.com>
---
 Documentation/git-index-helper.txt |  3 +++
 Documentation/git-update-index.txt |  6 ++++++
 builtin/update-index.c             | 11 +++++++++++
 3 files changed, 20 insertions(+)
diff --git a/Documentation/git-index-helper.txt b/Documentation/git-index-helper.txt
index b1fa49e..dd039a1 100644
--- a/Documentation/git-index-helper.txt
+++ b/Documentation/git-index-helper.txt
@@ -15,6 +15,9 @@ DESCRIPTION
 Keep the index file in memory for faster access. This daemon is per
 repository.
 
+If you want the index-helper to accelerate untracked file checking,
+run git update-index --watchman before using it.
+
 OPTIONS
 -------
 
diff --git a/Documentation/git-update-index.txt b/Documentation/git-update-index.txt
index c6cbed1..6736487 100644
--- a/Documentation/git-update-index.txt
+++ b/Documentation/git-update-index.txt
@@ -19,6 +19,7 @@ SYNOPSIS
 	     [--ignore-submodules]
 	     [--[no-]split-index]
 	     [--[no-|test-|force-]untracked-cache]
+	     [--[no-]watchman]
 	     [--really-refresh] [--unresolve] [--again | -g]
 	     [--info-only] [--index-info]
 	     [-z] [--stdin] [--index-version <n>]
@@ -176,6 +177,11 @@ may not support it yet.
 --no-untracked-cache::
 	Enable or disable untracked cache feature. Please use
 	`--test-untracked-cache` before enabling it.
+
+--watchman::
+--no-watchman::
+	Enable or disable watchman support. This is, at present,
+	only useful with git index-helper.
 +
 These options take effect whatever the value of the `core.untrackedCache`
 configuration variable (see linkgit:git-config[1]). But a warning is
diff --git a/builtin/update-index.c b/builtin/update-index.c
index 1c94ca5..7c08e1c 100644
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -914,6 +914,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
 {
 	int newfd, entries, has_errors = 0, nul_term_line = 0;
 	enum uc_mode untracked_cache = UC_UNSPECIFIED;
+	int use_watchman = -1;
 	int read_from_stdin = 0;
 	int prefix_length = prefix ? strlen(prefix) : 0;
 	int preferred_index_format = 0;
@@ -1012,6 +1013,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
 			    N_("test if the filesystem supports untracked cache"), UC_TEST),
 		OPT_SET_INT(0, "force-untracked-cache", &untracked_cache,
 			    N_("enable untracked cache without testing the filesystem"), UC_FORCE),
+		OPT_BOOL(0, "watchman", &use_watchman,
+			N_("use or not use watchman to reduce refresh cost")),
 		OPT_END()
 	};
 
@@ -1149,6 +1152,14 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
 		die("Bug: bad untracked_cache value: %d", untracked_cache);
 	}
 
+	if (use_watchman > 0) {
+		the_index.last_update    = xstrdup("");
+		the_index.cache_changed |= WATCHMAN_CHANGED;
+	} else if (!use_watchman) {
+		the_index.last_update    = NULL;
+		the_index.cache_changed |= WATCHMAN_CHANGED;
+	}
+
 	if (active_cache_changed) {
 		if (newfd < 0) {
 			if (refresh_args.flags & REFRESH_QUIET)
-- 
2.4.2.767.g62658d5-twtrsrc
Previous: Duy NguyenNext: Duy Nguyen
Message 25 of 35 in “index-helper/watchman”
  1. 00/15 index-helper/watchmanDavid Turner, Apr 19, 2016
  2. 01/15 read-cache.c: fix constness of verify_hdr()David Turner, Apr 19, 2016
  3. 02/15 read-cache: allow to keep mmap'd memory after readingDavid Turner, Apr 19, 2016
  4. Johannes SchindelinApr 20, 2016
  5. David TurnerApr 20, 2016
  6. Duy NguyenApr 20, 2016
  7. David TurnerApr 20, 2016
  8. 03/15 index-helper: new daemon for caching index and related stuffDavid Turner, Apr 19, 2016
  9. Johannes SchindelinApr 20, 2016
  10. Duy NguyenApr 20, 2016
  11. David TurnerApr 20, 2016
  12. 04/15 index-helper: add --strictDavid Turner, Apr 19, 2016
  13. 05/15 daemonize(): set a flag before exiting the main processDavid Turner, Apr 19, 2016
  14. 06/15 index-helper: add --detachDavid Turner, Apr 19, 2016
  15. Duy NguyenApr 19, 2016
  16. David TurnerApr 20, 2016
  17. Duy NguyenApr 20, 2016
  18. David TurnerApr 25, 2016
  19. 07/15 read-cache: add watchman 'WAMA' extensionDavid Turner, Apr 19, 2016
  20. 08/15 Add watchman support to reduce index refresh costDavid Turner, Apr 19, 2016
  21. 09/15 index-helper: use watchman to avoid refreshing index with lstat()David Turner, Apr 19, 2016
  22. Duy NguyenApr 20, 2016
  23. David TurnerApr 20, 2016
  24. Duy NguyenApr 20, 2016
  25. 10/15 update-index: enable/disable watchman supportDavid Turner, Apr 19, 2016
  26. Duy NguyenApr 19, 2016
  27. David TurnerApr 20, 2016
  28. 11/15 unpack-trees: preserve index extensionsDavid Turner, Apr 19, 2016
  29. 12/15 index-helper: kill modeDavid Turner, Apr 19, 2016
  30. 13/15 index-helper: don't run if already runningDavid Turner, Apr 19, 2016
  31. 14/15 index-helper: autorun modeDavid Turner, Apr 19, 2016
  32. 15/15 index-helper: optionally automatically runDavid Turner, Apr 19, 2016
  33. 16/15 Add tracing to measure where most of the time is spentNguyễn Thái Ngọc Duy, Apr 20, 2016
  34. Johannes SchindelinApr 20, 2016
  35. Duy NguyenApr 20, 2016

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