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| author | Tom Hunger <tehunger@gmail.com> | 2017-02-17 18:56:39 +0000 |
|---|---|---|
| committer | Tom Hunger <tehunger@gmail.com> | 2017-02-17 18:56:39 +0000 |
| commit | cb96ed615e48d13c165046363623f0f0e7007796 (patch) | |
| tree | 1fa38a81df2a6108f3f007b2fc581cc1d94757ab /lib/sources.nix | |
| parent | 624cd8ae9eecc42d04559b8f1c36cb1bd4796fbf (diff) | |
lib: Add a function to filter sources by regular expressions.
Diffstat (limited to 'lib/sources.nix')
| -rw-r--r-- | lib/sources.nix | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/sources.nix b/lib/sources.nix index f41abe1e1eae..8f312a9db5c4 100644 --- a/lib/sources.nix +++ b/lib/sources.nix @@ -26,6 +26,12 @@ rec { cleanSource = builtins.filterSource cleanSourceFilter; + # Filter sources by a list of regular expressions. + # + # E.g. `src = sourceByRegex ./my-subproject [".*\.py$" "^database.sql$"]` + sourceByRegex = src: regexes: builtins.filterSource (path: type: + let relPath = lib.removePrefix (toString src + "/") (toString path); + in lib.any (re: builtins.match re relPath != null) regexes) src; # Get all files ending with the specified suffices from the given # directory or its descendants. E.g. `sourceFilesBySuffices ./dir |