38 lines
1.5 KiB
Rust
38 lines
1.5 KiB
Rust
// Copyright 2015-2018 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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//! Directory helper functions
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use ::home_dir;
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/// Replaces `$HOME` str with home directory path.
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pub fn replace_home(base: &str, arg: &str) -> String {
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// the $HOME directory on mac os should be `~/Library` or `~/Library/Application Support`
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// We use an `if` so that we don't need to call `home_dir()` if not necessary.
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let r = if arg.contains("$HOME") {
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arg.replace("$HOME", home_dir().expect("$HOME isn't defined").to_str().unwrap())
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} else {
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arg.to_owned()
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};
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let r = r.replace("$BASE", base);
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r.replace("/", &::std::path::MAIN_SEPARATOR.to_string())
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}
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/// Replaces `$HOME` str with home directory path and `$LOCAL` with local path.
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pub fn replace_home_and_local(base: &str, local: &str, arg: &str) -> String {
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let r = replace_home(base, arg);
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r.replace("$LOCAL", local)
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}
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