From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Turner Subject: [PATCH v6 13/19] watchman: add a config option to enable the extension Date: Wed, 27 Apr 2016 16:04:35 -0400 Message-ID: <1461787481-877-14-git-send-email-dturner@twopensource.com> References: <1461787481-877-1-git-send-email-dturner@twopensource.com> Cc: David Turner To: git@vger.kernel.org, pclouds@gmail.com X-From: git-owner@vger.kernel.org Wed Apr 27 22:06:33 2016 Return-path: Envelope-to: gcvg-git-2@plane.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1avVjC-0003bG-8a for gcvg-git-2@plane.gmane.org; Wed, 27 Apr 2016 22:06:30 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753466AbcD0UGZ (ORCPT ); Wed, 27 Apr 2016 16:06:25 -0400 Received: from mail-qk0-f178.google.com ([209.85.220.178]:35196 "EHLO mail-qk0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752605AbcD0UFZ (ORCPT ); Wed, 27 Apr 2016 16:05:25 -0400 Received: by mail-qk0-f178.google.com with SMTP id q76so21039105qke.2 for ; Wed, 27 Apr 2016 13:05:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=twopensource-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=m07r0VNNh9JmTaDFqaZTCYfg41YUonhkpMqeXbhs/20=; b=laIgj49BE1rz3s+rOZeSve3/tSZlPYu/BENOIppU/MEs4u0EpPmzOUif3STfXsk47J 0rvTRg1Of3aYUTL2bCZvo58IgqZkzFZTTBCxsxBCXMR3SgFZPVkEBLSiN6Qls53Stlgd OfoH/ikQ5zJ56/V/3+CdxGVELFDLUjUU6/aC13oOFHVBy1ky2n1npkMh1ozQHABcdupl /NIx1Pgf15+4H7Y0JCIqYIcYyU8uguWeDfEvwHNYDBJegLQ+IcsLINVbUvxSRbJy+7EC awFCiw+9b1eLDQ14K6eg9YUobJR7uVFnZVLRGGfAXT0m6xm9zqtzRzHIhpeb3ibSHzOK vE/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=m07r0VNNh9JmTaDFqaZTCYfg41YUonhkpMqeXbhs/20=; b=injMGSqP+GZRNciElAvGrNrKrHnh8+A2BLqSAJjs5x/yr96+ciOfMwlh3ntkX1E12n 7RZB3qmnIDH0AXqzM9oy9WV2fOU0knPAtsXhAhPD+TOEmd/HZuJ5jNcTeuH57ucJspsB FuJjWyvKoBNFSX/YEfm9aMpbUcckUrxBSVWG+9NvWjSFtYLkKGl2HjmmatEaD7DpG7gW Ufb3F6laEGZmwaXLWUBQDedmsBjFuF6N9AaMJHkNK1OoZ75pUDQO4c2KUKvIDc1VoTa9 JwfvPlmgOlAg9ZY5dq9tqv7WByUlaRcWG/F72UfLjAetEHiklfIT3VwKpYFawQJdUc1a r7Mw== X-Gm-Message-State: AOPr4FUkn1rI9MDz97OEUngA+vVD7r3lM6bUV+tOHUZ4NDdtjAWgvcUidfzTNGOe432btg== X-Received: by 10.55.9.139 with SMTP id 133mr10601919qkj.74.1461787524484; Wed, 27 Apr 2016 13:05:24 -0700 (PDT) Received: from ubuntu.twitter.biz ([192.133.79.145]) by smtp.gmail.com with ESMTPSA id r124sm1700085qhr.48.2016.04.27.13.05.23 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 27 Apr 2016 13:05:23 -0700 (PDT) X-Mailer: git-send-email 2.4.2.767.g62658d5-twtrsrc In-Reply-To: <1461787481-877-1-git-send-email-dturner@twopensource.com> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: For installations that have centrally-managed configuration, it's easier to set a config once than to run update-index on every repository. Signed-off-by: David Turner --- .gitignore | 1 + Documentation/config.txt | 4 ++++ Makefile | 1 + read-cache.c | 6 ++++++ t/t1701-watchman-extension.sh | 37 +++++++++++++++++++++++++++++++++++++ test-dump-watchman.c | 16 ++++++++++++++++ 6 files changed, 65 insertions(+) create mode 100755 t/t1701-watchman-extension.sh create mode 100644 test-dump-watchman.c diff --git a/.gitignore b/.gitignore index b92f122..e6a5b2c 100644 --- a/.gitignore +++ b/.gitignore @@ -188,6 +188,7 @@ /test-dump-cache-tree /test-dump-split-index /test-dump-untracked-cache +/test-dump-watchman /test-fake-ssh /test-scrap-cache-tree /test-genrandom diff --git a/Documentation/config.txt b/Documentation/config.txt index 2cd6bdd..15001ce 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -1848,6 +1848,10 @@ imap:: The configuration variables in the 'imap' section are described in linkgit:git-imap-send[1]. +index.addwatchmanextension:: + Automatically add the watchman extension to the index whenever + it is written. + index.version:: Specify the version with which new index files should be initialized. This does not affect existing repositories. diff --git a/Makefile b/Makefile index 65ab0f4..5f0a954 100644 --- a/Makefile +++ b/Makefile @@ -599,6 +599,7 @@ TEST_PROGRAMS_NEED_X += test-delta TEST_PROGRAMS_NEED_X += test-dump-cache-tree TEST_PROGRAMS_NEED_X += test-dump-split-index TEST_PROGRAMS_NEED_X += test-dump-untracked-cache +TEST_PROGRAMS_NEED_X += test-dump-watchman TEST_PROGRAMS_NEED_X += test-fake-ssh TEST_PROGRAMS_NEED_X += test-genrandom TEST_PROGRAMS_NEED_X += test-hashmap diff --git a/read-cache.c b/read-cache.c index 470a27d..252299d 100644 --- a/read-cache.c +++ b/read-cache.c @@ -2427,6 +2427,7 @@ static int do_write_index(struct index_state *istate, int newfd, int entries = istate->cache_nr; struct stat st; struct strbuf previous_name_buf = STRBUF_INIT, *previous_name; + int watchman = 0; for (i = removed = extended = 0; i < entries; i++) { if (cache[i]->ce_flags & CE_REMOVE) @@ -2450,6 +2451,11 @@ static int do_write_index(struct index_state *istate, int newfd, if (istate->version == 3 || istate->version == 2) istate->version = extended ? 3 : 2; + if (!git_config_get_bool("index.addwatchmanextension", &watchman) && + watchman && + !the_index.last_update) + the_index.last_update = xstrdup(""); + hdr_version = istate->version; hdr.hdr_signature = htonl(CACHE_SIGNATURE); diff --git a/t/t1701-watchman-extension.sh b/t/t1701-watchman-extension.sh new file mode 100755 index 0000000..71f1d46 --- /dev/null +++ b/t/t1701-watchman-extension.sh @@ -0,0 +1,37 @@ +#!/bin/sh + +test_description='watchman extension smoke tests' + +# These don't actually test watchman interaction -- just the +# index extension + +. ./test-lib.sh + +test_expect_success 'enable watchman' ' + test_commit a && + test-dump-watchman .git/index >actual && + echo "last_update: (null)" >expect && + test_cmp expect actual && + git update-index --watchman && + test-dump-watchman .git/index >actual && + echo "last_update: " >expect && + test_cmp expect actual +' + +test_expect_success 'disable watchman' ' + git update-index --no-watchman && + test-dump-watchman .git/index >actual && + echo "last_update: (null)" >expect && + test_cmp expect actual +' + +test_expect_success 'auto-enable watchman' ' + test_config index.addwatchmanextension true && + test_commit c && + test-dump-watchman .git/index >actual && + echo "last_update: " >expect && + test_cmp expect actual +' + + +test_done diff --git a/test-dump-watchman.c b/test-dump-watchman.c new file mode 100644 index 0000000..0314fa5 --- /dev/null +++ b/test-dump-watchman.c @@ -0,0 +1,16 @@ +#include "cache.h" +#include "ewah/ewok.h" + +int main(int argc, char **argv) +{ + do_read_index(&the_index, argv[1], 1); + printf("last_update: %s\n", the_index.last_update ? + the_index.last_update : "(null)"); + + /* + * For now, we just dump last_update, since it is not reasonable + * to populate the extension itself in tests. + */ + + return 0; +} -- 2.4.2.767.g62658d5-twtrsrc