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| author | Jesse Luehrs <doy@tozt.net> | 2022-01-17 00:05:00 -0500 |
|---|---|---|
| committer | Jesse Luehrs <doy@tozt.net> | 2022-01-17 00:05:00 -0500 |
| commit | e7d8a9f7d234cb2b8a6691c5a2e33f2b18776a3d (patch) | |
| tree | 84eac0ddc63e529275f48071adfdfefd1cdc1c0a /src/parse | |
| parent | a537464a915aea2e38c62df041996b8525367bde (diff) | |
| download | nbsh-e7d8a9f7d234cb2b8a6691c5a2e33f2b18776a3d.tar.gz nbsh-e7d8a9f7d234cb2b8a6691c5a2e33f2b18776a3d.zip | |
simplify environment handling
this temporarily breaks cd history, will fix this soon
Diffstat (limited to 'src/parse')
| -rw-r--r-- | src/parse/ast.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/parse/ast.rs b/src/parse/ast.rs index 88ae734..bac40c8 100644 --- a/src/parse/ast.rs +++ b/src/parse/ast.rs @@ -330,7 +330,9 @@ impl WordPart { fn eval(self, env: &Env) -> String { match self { Self::Alternation(_) => unreachable!(), - Self::Var(name) => env.var(&name), + Self::Var(name) => { + env.var(&name).unwrap_or_else(|| "".to_string()) + } Self::Bareword(s) | Self::DoubleQuoted(s) | Self::SingleQuoted(s) => s, |