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fix(config): Expand all environment variables and file references (#724)

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NBonaparte 2017-09-04 14:00:35 -07:00 committed by GitHub
parent e381d76908
commit e329a8150a
3 changed files with 19 additions and 5 deletions
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1
include/components/config.hpp
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@ -338,6 +338,7 @@ class config {
fallback = var.substr(pos + 1);
var.erase(pos);
}
var = file_util::expand(var);
if (file_util::exists(var)) {
m_log.info("File reference \"%s\" found", var);

3
src/CMakeLists.txt
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@ -73,7 +73,8 @@ if(BUILD_IPC_MSG)
SOURCES
ipc.cpp
utils/env.cpp
utils/file.cpp)
utils/file.cpp
utils/string.cpp)
target_compile_options(polybar-msg PUBLIC $<$<CXX_COMPILER_ID:GNU>:$<$<CONFIG:MinSizeRel>:-flto>>)
endif()

20
src/utils/file.cpp
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@ -9,6 +9,7 @@
#include "errors.hpp"
#include "utils/env.hpp"
#include "utils/file.hpp"
#include "utils/string.hpp"
POLYBAR_NS
@ -236,11 +237,22 @@ namespace file_util {
* Path expansion
*/
const string expand(const string& path) {
string p{path};
if (p[0] == '~') {
p.replace(0, 1, env_util::get("HOME"));
string ret;
vector<string> p_exploded = string_util::split(path, '/');
for (auto& section : p_exploded) {
switch(section[0]) {
case '$':
section = env_util::get(section.substr(1));
break;
case '~':
section = env_util::get("HOME");
break;
}
}
return p;
ret = string_util::join(p_exploded, "/");
if (ret[0] != '/')
ret.insert(0, 1, '/');
return ret;
}
}