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config/File: support wildcards in "include"

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This commit is contained in:
Max Kellermann 2018-07-18 17:28:30 +02:00
parent fcbcec6856
commit f30265a9ee
2 changed files with 29 additions and 8 deletions
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8
doc/user.xml
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@ -426,6 +426,14 @@ systemctl start mpd.socket</programlisting>
</para>
<programlisting>include_optional "may_not_exist.conf"</programlisting>
<para>
Both directives can have a shell pattern (with wildcards
'<filename>*</filename>' and '<filename>?</filename>') in the
last path segment, e.g.:
</para>
<programlisting>include "conf.d/*.conf"</programlisting>
</section>
<section id="config_music_directory">

29
src/config/File.cxx
View File

@ -23,12 +23,14 @@
#include "Param.hxx"
#include "Block.hxx"
#include "Templates.hxx"
#include "system/Error.hxx"
#include "util/Tokenizer.hxx"
#include "util/StringStrip.hxx"
#include "util/StringAPI.hxx"
#include "util/Domain.hxx"
#include "util/RuntimeError.hxx"
#include "fs/FileSystem.hxx"
#include "fs/List.hxx"
#include "fs/Path.hxx"
#include "fs/io/FileReader.hxx"
#include "fs/io/BufferedReader.hxx"
@ -179,18 +181,29 @@ ReadConfigFile(ConfigData &config_data, BufferedReader &reader, Path directory)
if (StringIsEqual(name, "include")) {
// TODO: detect recursion
// TODO: Config{Block,Param} have only line number but no file name
// TODO: support wildcards (include "conf.d/*.conf")
const auto path = AllocatedPath::Apply(directory,
AllocatedPath::FromUTF8Throw(ExpectValueAndEnd(tokenizer)));
ReadConfigFile(config_data, path);
const auto pattern = AllocatedPath::Apply(directory,
AllocatedPath::FromUTF8Throw(ExpectValueAndEnd(tokenizer)));
for (const auto &path : ListWildcard(pattern))
ReadConfigFile(config_data, path);
continue;
}
if (StringIsEqual(name, "include_optional")) {
const auto path = AllocatedPath::Apply(directory,
AllocatedPath::FromUTF8Throw(ExpectValueAndEnd(tokenizer)));
if (PathExists(path))
ReadConfigFile(config_data, path);
const auto pattern = AllocatedPath::Apply(directory,
AllocatedPath::FromUTF8Throw(ExpectValueAndEnd(tokenizer)));
std::forward_list<AllocatedPath> l;
try {
l = ListWildcard(pattern);
} catch (const std::system_error &e) {
/* ignore "file not found */
if (!IsFileNotFound(e) && !IsPathNotFound(e))
throw;
}
for (const auto &path : l)
if (PathExists(path))
ReadConfigFile(config_data, path);
continue;
}