diff options
Diffstat (limited to 'pkgs/lib/strings.nix')
| -rw-r--r-- | pkgs/lib/strings.nix | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkgs/lib/strings.nix b/pkgs/lib/strings.nix index ed668e2b9270..024a9ac7d7a2 100644 --- a/pkgs/lib/strings.nix +++ b/pkgs/lib/strings.nix @@ -163,6 +163,10 @@ rec { versionOlder = v1: v2: builtins.compareVersions v2 v1 == 1; + # Return true iff string v1 denotes a version equal to or newer than v2. + versionAtLeast = v1: v2: !versionOlder v1 v2; + + # Get the version of the specified derivation, as specified in its # ‘name’ attribute. getVersion = drv: (builtins.parseDrvName drv.name).version; |