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| author | Vladimír Čunát <vcunat@gmail.com> | 2018-08-12 10:17:08 +0200 |
|---|---|---|
| committer | Vladimír Čunát <vcunat@gmail.com> | 2018-08-12 10:17:08 +0200 |
| commit | fecb444e18c2d655d7de4253047e664873b42cf4 (patch) | |
| tree | 388da492e6f2872434b7370fcc00666fec45ed38 /lib/strings.nix | |
| parent | 50674becf6fc5a1438fa158e519d7e7ee11c6d83 (diff) | |
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lib/strings: guard against an easy mistake
This would catch the bad `fwknop` flags fixed in 580cab57e4, during evaluation already.
Diffstat (limited to 'lib/strings.nix')
| -rw-r--r-- | lib/strings.nix | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/strings.nix b/lib/strings.nix index 7cd09a109396..1dba455628df 100644 --- a/lib/strings.nix +++ b/lib/strings.nix @@ -412,7 +412,9 @@ rec { enableFeature false "shared" => "--disable-shared" */ - enableFeature = enable: feat: "--${if enable then "enable" else "disable"}-${feat}"; + enableFeature = enable: feat: + assert isString feat; # e.g. passing openssl instead of "openssl" + "--${if enable then "enable" else "disable"}-${feat}"; /* Create an --{enable-<feat>=<value>,disable-<feat>} string that can be passed to standard GNU Autoconf scripts. @@ -434,7 +436,9 @@ rec { withFeature false "shared" => "--without-shared" */ - withFeature = with_: feat: "--${if with_ then "with" else "without"}-${feat}"; + withFeature = with_: feat: + assert isString feat; # e.g. passing openssl instead of "openssl" + "--${if with_ then "with" else "without"}-${feat}"; /* Create an --{with-<feat>=<value>,without-<feat>} string that can be passed to standard GNU Autoconf scripts. |