From: David Bremner Date: Thu, 3 Apr 2014 19:41:22 +0000 (+2100) Subject: [Patch v6 5/6] notmuch-new: backup tags before database upgrade X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=9647c1f79bb04271b666716f4fc86fb95271b773;p=notmuch-archives.git [Patch v6 5/6] notmuch-new: backup tags before database upgrade --- diff --git a/99/be9733e86f841169314a9aa58a86a8d71177ef b/99/be9733e86f841169314a9aa58a86a8d71177ef new file mode 100644 index 000000000..cc3737861 --- /dev/null +++ b/99/be9733e86f841169314a9aa58a86a8d71177ef @@ -0,0 +1,119 @@ +Return-Path: +X-Original-To: notmuch@notmuchmail.org +Delivered-To: notmuch@notmuchmail.org +Received: from localhost (localhost [127.0.0.1]) + by olra.theworths.org (Postfix) with ESMTP id 0FADA431FC7 + for ; Thu, 3 Apr 2014 19:44:41 -0700 (PDT) +X-Virus-Scanned: Debian amavisd-new at olra.theworths.org +X-Spam-Flag: NO +X-Spam-Score: 0 +X-Spam-Level: +X-Spam-Status: No, score=0 tagged_above=-999 required=5 tests=[none] + autolearn=disabled +Received: from olra.theworths.org ([127.0.0.1]) + by localhost (olra.theworths.org [127.0.0.1]) (amavisd-new, port 10024) + with ESMTP id nhOasN8K3G97 for ; + Thu, 3 Apr 2014 19:44:37 -0700 (PDT) +Received: from mx.xen14.node3324.gplhost.com (gitolite.debian.net + [87.98.215.224]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) + (No client certificate requested) + by olra.theworths.org (Postfix) with ESMTPS id B0128431FBF + for ; Thu, 3 Apr 2014 19:44:32 -0700 (PDT) +Received: from remotemail by mx.xen14.node3324.gplhost.com with local (Exim + 4.72) (envelope-from ) + id 1WVtXU-00017G-Nl; Fri, 04 Apr 2014 02:07:28 +0000 +Received: (nullmailer pid 4020 invoked by uid 1000); Thu, 03 Apr 2014 + 19:41:39 -0000 +From: David Bremner +To: notmuch@notmuchmail.org +Subject: [Patch v6 5/6] notmuch-new: backup tags before database upgrade +Date: Thu, 3 Apr 2014 16:41:22 -0300 +Message-Id: <1396554083-3892-6-git-send-email-david@tethera.net> +X-Mailer: git-send-email 1.9.0 +In-Reply-To: <1396554083-3892-1-git-send-email-david@tethera.net> +References: <1396554083-3892-1-git-send-email-david@tethera.net> +X-BeenThere: notmuch@notmuchmail.org +X-Mailman-Version: 2.1.13 +Precedence: list +List-Id: "Use and development of the notmuch mail system." + +List-Unsubscribe: , + +List-Archive: +List-Post: +List-Help: +List-Subscribe: , + +X-List-Received-Date: Fri, 04 Apr 2014 02:44:41 -0000 + +All we do here is calculate the backup filename, and call the existing +dump routine. + +Also take the opportity to add a message about being safe to +interrupt. +--- + notmuch-new.c | 29 ++++++++++++++++++++++++++++- + test/T530-upgrade.sh | 4 +++- + 2 files changed, 31 insertions(+), 2 deletions(-) + +diff --git a/notmuch-new.c b/notmuch-new.c +index 82acf69..d269c7c 100644 +--- a/notmuch-new.c ++++ b/notmuch-new.c +@@ -989,8 +989,35 @@ notmuch_new_command (notmuch_config_t *config, int argc, char *argv[]) + return EXIT_FAILURE; + + if (notmuch_database_needs_upgrade (notmuch)) { +- if (add_files_state.verbosity >= VERBOSITY_NORMAL) ++ time_t now = time (NULL); ++ struct tm *gm_time = gmtime (&now); ++ ++ /* since dump files are written atomically, the amount of ++ * harm from overwriting one within a second seems ++ * relatively small. */ ++ ++ const char *backup_name = ++ talloc_asprintf (notmuch, "%s/dump-%04d%02d%02dT%02d%02d%02d.gz", ++ dot_notmuch_path, ++ gm_time->tm_year + 1900, ++ gm_time->tm_mon + 1, ++ gm_time->tm_mday, ++ gm_time->tm_hour, ++ gm_time->tm_min, ++ gm_time->tm_sec); ++ ++ if (add_files_state.verbosity >= VERBOSITY_NORMAL) { + printf ("Welcome to a new version of notmuch! Your database will now be upgraded.\n"); ++ printf ("This process is safe to interrupt.\n"); ++ printf ("Backing up tags to %s...\n", backup_name); ++ } ++ ++ if (notmuch_database_dump (notmuch, backup_name, "", ++ DUMP_FORMAT_BATCH_TAG, TRUE)) { ++ fprintf (stderr, "Backup failed. Aborting upgrade."); ++ return EXIT_FAILURE; ++ } ++ + gettimeofday (&add_files_state.tv_start, NULL); + notmuch_database_upgrade (notmuch, + add_files_state.verbosity >= VERBOSITY_NORMAL ? upgrade_print_progress : NULL, +diff --git a/test/T530-upgrade.sh b/test/T530-upgrade.sh +index 67bbf31..d46e3d1 100755 +--- a/test/T530-upgrade.sh ++++ b/test/T530-upgrade.sh +@@ -26,9 +26,11 @@ output=$(notmuch search path:foo) + test_expect_equal "$output" "" + + test_begin_subtest "database upgrade from format version 1" +-output=$(notmuch new) ++output=$(notmuch new | sed -e 's/^Backing up tags to .*$/Backing up tags to FILENAME/') + test_expect_equal "$output" "\ + Welcome to a new version of notmuch! Your database will now be upgraded. ++This process is safe to interrupt. ++Backing up tags to FILENAME + Your notmuch database has now been upgraded to database format version 2. + No new mail." + +-- +1.9.0 +