[parted-devel] [PATCH] allow to pass empty string in script mode
Arvin Schnell
aschnell at suse.com
Fri Aug 13 14:02:27 BST 2021
Hi,
here is a repost of a patch from 2017 [1]. It makes it possible
to pass an empty string in script mode e.g. to set no partition
name (on GPT). I have extended the patch now to include a test.
Thanks,
Arvin
[1] https://alioth-lists.debian.net/pipermail/parted-devel/2017-August/005100.html
---
parted/ui.c | 9 +++++++--
tests/Makefile.am | 1 +
tests/t0290-gpt-name.sh | 41 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 49 insertions(+), 2 deletions(-)
create mode 100755 tests/t0290-gpt-name.sh
diff --git a/parted/ui.c b/parted/ui.c
index b5948d3..25ad4f1 100644
--- a/parted/ui.c
+++ b/parted/ui.c
@@ -16,7 +16,6 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <config.h>
#include <config.h>
@@ -727,6 +726,7 @@ void
command_line_push_line (const char* line, int multi_word)
{
int quoted = 0;
+ int quotes_empty = 0;
char quote_char = 0;
char this_word [256];
int i;
@@ -754,6 +754,9 @@ command_line_push_line (const char* line, int multi_word)
if (quoted && *line == quote_char) {
quoted = 0;
+ /* allow empty partition name in script mode */
+ if (!i)
+ quotes_empty = 1;
continue;
}
@@ -761,9 +764,11 @@ command_line_push_line (const char* line, int multi_word)
if (quoted && line[0] == '\\' && line[1])
line++;
+ quotes_empty = 0;
this_word [i++] = *line;
}
- if (i || !multi_word) {
+ if (i || !multi_word || quotes_empty) {
+ quotes_empty = 0;
this_word [i] = 0;
command_line_push_word (this_word);
}
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 3473e6b..9c4a79d 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -33,6 +33,7 @@ TESTS = \
t0281-gpt-grow.sh \
t0282-gpt-move-backup.sh \
t0283-overlap-partitions.sh \
+ t0290-gpt-name.sh \
t0300-dos-on-gpt.sh \
t0301-overwrite-gpt-pmbr.sh \
t0350-mac-PT-increases-sector-size.sh \
diff --git a/tests/t0290-gpt-name.sh b/tests/t0290-gpt-name.sh
new file mode 100755
index 0000000..26041b6
--- /dev/null
+++ b/tests/t0290-gpt-name.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# Test setting empty GPT partition name in non-interactive mode
+
+# Copyright (C) 2021 SUSE LLC
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../parted
+
+dev=loop-file
+
+truncate --size 50MiB "$dev" || fail=1
+
+# create partition with empty name
+parted --script "$dev" mklabel gpt mkpart '""' ext4 1MiB 49MiB > out 2>&1 || fail=1
+parted --script --machine "$dev" unit MiB print > out 2>&1 || fail=1
+grep 'MiB:::;' out || fail=1
+
+# set a non-empty name
+parted --script "$dev" name 1 "test" > out 2>&1 || fail=1
+parted --script --machine "$dev" unit MiB print > out 2>&1 || fail=1
+grep 'MiB::test:;' out || fail=1
+
+# set empty name
+parted --script "$dev" name 1 "''" > out 2>&1 || fail=1
+parted --script --machine "$dev" unit MiB print > out 2>&1 || fail=1
+grep 'MiB:::;' out || fail=1
+
+Exit $fail
--
Arvin Schnell, <aschnell at suse.com>
Senior Software Engineer, Research & Development
SUSE Software Solutions Germany GmbH
Maxfeldstraße 5
90409 Nürnberg
Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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