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Userland: Consolidate most PATH resolving into a single implementation

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We previously had at least three different implementations for resolving
executables in the PATH, all of which had slightly different
characteristics.

Merge those into a single implementation to keep the behaviour
consistent, and maybe to make that implementation more configurable in
the future.
This commit is contained in:
Tim Schumacher 2022-08-20 18:31:03 +02:00 • committed by Linus Groh
parent 39a3775f48
commit 5f99934dce
13 changed files with 74 additions and 95 deletions
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22
Userland/Shell/Shell.cpp
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@ -1338,27 +1338,6 @@ String Shell::unescape_token(StringView token)
return builder.build();
}
String Shell::find_in_path(StringView program_name)
{
String path = getenv("PATH");
if (!path.is_empty()) {
auto directories = path.split(':');
for (auto const& directory : directories) {
Core::DirIterator programs(directory.characters(), Core::DirIterator::SkipDots);
while (programs.has_next()) {
auto program = programs.next_path();
auto program_path = String::formatted("{}/{}", directory, program);
if (access(program_path.characters(), X_OK) != 0)
continue;
if (program == program_name)
return program_path;
}
}
}
return {};
}
void Shell::cache_path()
{
if (!m_is_interactive)
@ -1387,6 +1366,7 @@ void Shell::cache_path()
cached_path.append({ RunnablePath::Kind::Alias, name });
}
// TODO: Can we make this rely on Core::File::resolve_executable_from_environment()?
String path = getenv("PATH");
if (!path.is_empty()) {
auto directories = path.split(':');