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systemd-tmpfiles: deprecate F for f+

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This commit is contained in:
Zach Smith 2019-10-28 09:32:16 -07:00
parent 21d0dd5a89
commit eccebf4b0d
3 changed files with 15 additions and 23 deletions
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1
TODO
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@ -943,7 +943,6 @@ Features:
* tmpfiles:
- apply "x" on "D" too (see patch from William Douglas)
- replace F with f+.
- instead of ignoring unknown fields, reject them.
- creating new directories/subvolumes/fifos/device nodes
should not follow symlinks. None of the other adjustment or creation

19
man/tmpfiles.d.xml
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@ -39,7 +39,7 @@
<programlisting>#Type Path Mode User Group Age Argument
f /file/to/create mode user group - content
F /file/to/create-or-truncate mode user group - content
f+ /file/to/create-or-truncate mode user group - content
w /file/to/write-to - - - - content
d /directory/to/create-and-cleanup mode user group cleanup-age -
D /directory/to/create-and-remove mode user group cleanup-age -
@ -155,19 +155,16 @@ L /tmp/foobar - - - - /dev/null</programlisting>
<variablelist>
<varlistentry>
<term><varname>f</varname></term>
<listitem><para>Create a file if it does not exist yet. If the argument parameter is given and the file did
not exist yet, it will be written to the file. Does not follow symlinks.</para></listitem>
<term><varname>f+</varname></term>
<listitem><para><varname>f</varname> will create a file if it does not exist yet. If the argument
parameter is given and the file did not exist yet, it will be written to the file.
<varname>f+</varname> will create or truncate the file. If the argument parameter is given, it will
be written to the file. Does not follow symlinks.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>F</varname></term>
<listitem><para>Create or truncate a file. If the argument
parameter is given, it will be written to the file. Does not follow symlinks.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>w, w+</varname></term>
<term><varname>w</varname></term>
<term><varname>w+</varname></term>
<listitem><para>Write the argument parameter to a file, if the file exists.
If suffixed with <varname>+</varname>, the line will be appended to the file.
If your configuration writes multiple lines to the same file, use <varname>w+</varname>.

18
src/tmpfiles/tmpfiles.c
View File

@ -77,7 +77,7 @@ typedef enum OperationMask {
typedef enum ItemType {
/* These ones take file names */
CREATE_FILE = 'f',
TRUNCATE_FILE = 'F',
TRUNCATE_FILE = 'F', /* deprecated: use f+ */
CREATE_DIRECTORY = 'd',
TRUNCATE_DIRECTORY = 'D',
CREATE_SUBVOLUME = 'v',
@ -1370,7 +1370,7 @@ static int truncate_file(Item *i, const char *path) {
assert(i);
assert(path);
assert(i->type == TRUNCATE_FILE);
assert(i->type == TRUNCATE_FILE || (i->type == CREATE_FILE && i->append_or_force));
/* We want to operate on regular file exclusively especially since
* O_TRUNC is unspecified if the file is neither a regular file nor a
@ -1927,20 +1927,16 @@ static int create_item(Item *i) {
case RECURSIVE_REMOVE_PATH:
return 0;
case TRUNCATE_FILE:
case CREATE_FILE:
RUN_WITH_UMASK(0000)
(void) mkdir_parents_label(i->path, 0755);
r = create_file(i, i->path);
if (r < 0)
return r;
break;
if ((i->type == CREATE_FILE && i->append_or_force) || i->type == TRUNCATE_FILE)
r = truncate_file(i, i->path);
else
r = create_file(i, i->path);
case TRUNCATE_FILE:
RUN_WITH_UMASK(0000)
(void) mkdir_parents_label(i->path, 0755);
r = truncate_file(i, i->path);
if (r < 0)
return r;
break;