Source
pub fn findProgram(b: *Build, names: []const []const u8, paths: []const []const u8) error{FileNotFound}![]const u8 {
// TODO report error for ambiguous situations
for (b.search_prefixes.items) |search_prefix| {
for (names) |name| {
if (fs.path.isAbsolute(name)) {
return name;
}
return tryFindProgram(b, b.pathJoin(&.{ search_prefix, "bin", name })) orelse continue;
}
}
if (b.graph.env_map.get("PATH")) |PATH| {
for (names) |name| {
if (fs.path.isAbsolute(name)) {
return name;
}
var it = mem.tokenizeScalar(u8, PATH, fs.path.delimiter);
while (it.next()) |p| {
return tryFindProgram(b, b.pathJoin(&.{ p, name })) orelse continue;
}
}
}
for (names) |name| {
if (fs.path.isAbsolute(name)) {
return name;
}
for (paths) |p| {
return tryFindProgram(b, b.pathJoin(&.{ p, name })) orelse continue;
}
}
return error.FileNotFound;
}