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-rw-r--r--notmuch-new.c29
-rwxr-xr-xtest/T530-upgrade.sh4
2 files changed, 31 insertions, 2 deletions
diff --git a/notmuch-new.c b/notmuch-new.c
index 82acf695..d269c7cd 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 67bbf319..d46e3d17 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."