You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
4.8 KiB
97 lines
4.8 KiB
1 month ago
|
From 129f8896018377cfe9a64e2877517124b79ca87f Mon Sep 17 00:00:00 2001
|
||
|
|
From: Daan De Meyer <daan.j.demeyer@gmail.com>
|
||
|
|
Date: Tue, 9 May 2023 13:45:16 +0200
|
||
|
|
Subject: [PATCH] tmpfiles: Add merge support for copy files action
|
||
|
|
|
||
|
|
If '+' is specified with 'C', let's merge the tree with any existing
|
||
|
|
tree.
|
||
|
|
|
||
|
|
(cherry picked from commit 1fd5ec5697680e2ec6277431bd74cabf48dbc94f)
|
||
|
|
|
||
|
|
Related: RHEL-27512
|
||
|
|
---
|
||
|
|
man/tmpfiles.d.xml | 22 +++++++++++-----------
|
||
|
|
src/tmpfiles/tmpfiles.c | 2 +-
|
||
|
|
test/units/testsuite-22.02.sh | 16 ++++++++++++++++
|
||
|
|
3 files changed, 28 insertions(+), 12 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/man/tmpfiles.d.xml b/man/tmpfiles.d.xml
|
||
|
|
index bd3bc33ab4..fe2a1dadab 100644
|
||
|
|
--- a/man/tmpfiles.d.xml
|
||
|
|
+++ b/man/tmpfiles.d.xml
|
||
|
|
@@ -58,10 +58,11 @@ c+ /dev/char-device-to-[re]create mode user group - major
|
||
|
|
b /dev/block-device-to-create mode user group - major:minor
|
||
|
|
b+ /dev/block-device-to-[re]create mode user group - major:minor
|
||
|
|
C /target/to/create - - - cleanup-age /source/to/copy
|
||
|
|
+C+ /target/to/create - - - cleanup-age /source/to/copy
|
||
|
|
x /path-or-glob/to/ignore/recursively - - - cleanup-age -
|
||
|
|
X /path-or-glob/to/ignore - - - cleanup-age -
|
||
|
|
-r /empty/dir/to/remove - - - - -
|
||
|
|
-R /dir/to/remove/recursively - - - - -
|
||
|
|
+r /path-or-glob/to/remove - - - - -
|
||
|
|
+R /path-or-glob/to/remove/recursively - - - - -
|
||
|
|
z /path-or-glob/to/adjust/mode mode user group - -
|
||
|
|
Z /path-or-glob/to/adjust/mode/recursively mode user group - -
|
||
|
|
t /path-or-glob/to/set/xattrs - - - - xattrs
|
||
|
|
@@ -325,15 +326,14 @@ L /tmp/foobar - - - - /dev/null</programlisting>
|
||
|
|
|
||
|
|
<varlistentry>
|
||
|
|
<term><varname>C</varname></term>
|
||
|
|
- <listitem><para>Recursively copy a file or directory, if the
|
||
|
|
- destination files or directories do not exist yet or the
|
||
|
|
- destination directory is empty. Note that this command will not
|
||
|
|
- descend into subdirectories if the destination directory already
|
||
|
|
- exists and is not empty. Instead, the entire copy operation is
|
||
|
|
- skipped. If the argument is omitted, files from the source directory
|
||
|
|
- <filename>/usr/share/factory/</filename> with the same name
|
||
|
|
- are copied. Does not follow symlinks. Contents of the directories
|
||
|
|
- are subject to time based cleanup if the age argument is specified.
|
||
|
|
+ <term><varname>C+</varname></term>
|
||
|
|
+ <listitem><para>Recursively copy a file or directory, if the destination files or directories do
|
||
|
|
+ not exist yet or the destination directory is empty. Note that this command will not descend into
|
||
|
|
+ subdirectories if the destination directory already exists and is not empty, unless the action is
|
||
|
|
+ suffixed with <varname>+</varname>. Instead, the entire copy operation is skipped. If the argument
|
||
|
|
+ is omitted, files from the source directory <filename>/usr/share/factory/</filename> with the same
|
||
|
|
+ name are copied. Does not follow symlinks. Contents of the directories are subject to time-based
|
||
|
|
+ cleanup if the age argument is specified.
|
||
|
|
</para></listitem>
|
||
|
|
</varlistentry>
|
||
|
|
|
||
|
|
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
|
||
|
|
index 18bb75715b..ead5c49874 100644
|
||
|
|
--- a/src/tmpfiles/tmpfiles.c
|
||
|
|
+++ b/src/tmpfiles/tmpfiles.c
|
||
|
|
@@ -1648,7 +1648,7 @@ static int copy_files(Item *i) {
|
||
|
|
dfd, bn,
|
||
|
|
i->uid_set ? i->uid : UID_INVALID,
|
||
|
|
i->gid_set ? i->gid : GID_INVALID,
|
||
|
|
- COPY_REFLINK | COPY_MERGE_EMPTY | COPY_MAC_CREATE | COPY_HARDLINKS);
|
||
|
|
+ COPY_REFLINK | ((i->append_or_force) ? COPY_MERGE : COPY_MERGE_EMPTY) | COPY_MAC_CREATE | COPY_HARDLINKS);
|
||
|
|
|
||
|
|
fd = openat(dfd, bn, O_NOFOLLOW|O_CLOEXEC|O_PATH);
|
||
|
|
if (fd < 0) {
|
||
|
|
diff --git a/test/units/testsuite-22.02.sh b/test/units/testsuite-22.02.sh
|
||
|
|
index 49c55f136b..f233be2499 100755
|
||
|
|
--- a/test/units/testsuite-22.02.sh
|
||
|
|
+++ b/test/units/testsuite-22.02.sh
|
||
|
|
@@ -121,3 +121,19 @@ EOF
|
||
|
|
|
||
|
|
test "$(stat -c %U:%G:%a /tmp/C/3/f1)" = "root:root:644"
|
||
|
|
test ! -e /tmp/C/4
|
||
|
|
+
|
||
|
|
+touch /tmp/C/3-origin/f{2,3,4}
|
||
|
|
+echo -n ABC > /tmp/C/3/f1
|
||
|
|
+
|
||
|
|
+systemd-tmpfiles --create - <<EOF
|
||
|
|
+C+ /tmp/C/3 0755 daemon daemon - /tmp/C/3-origin
|
||
|
|
+EOF
|
||
|
|
+
|
||
|
|
+# Test that the trees got merged, even though /tmp/C/3 already exists.
|
||
|
|
+test -e /tmp/C/3/f1
|
||
|
|
+test -e /tmp/C/3/f2
|
||
|
|
+test -e /tmp/C/3/f3
|
||
|
|
+test -e /tmp/C/3/f4
|
||
|
|
+
|
||
|
|
+# Test that /tmp/C/3/f1 did not get overwritten.
|
||
|
|
+test "$(cat /tmp/C/3/f1)" = "ABC"
|