diff options
Diffstat (limited to 'lib/strings.nix')
| -rw-r--r-- | lib/strings.nix | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/strings.nix b/lib/strings.nix index 6d2462d03b2..0130ea37fb1 100644 --- a/lib/strings.nix +++ b/lib/strings.nix @@ -395,7 +395,7 @@ rec { */ toShellVar = name: value: lib.throwIfNot (isValidPosixName name) "toShellVar: ${name} is not a valid shell variable name" ( - if isAttrs value && ! isSimpleCoercibleToString value then + if isAttrs value && ! isStringLike value then "declare -A ${name}=(${ concatStringsSep " " (lib.mapAttrsToList (n: v: "[${escapeShellArg n}]=${escapeShellArg v}" @@ -800,7 +800,7 @@ rec { /* Soft-deprecated name for isMoreCoercibleToString */ isCoercibleToString = lib.warnIf (lib.isInOldestRelease 2305) - "lib.strings.isCoercibleToString is deprecated in favor of either isSimpleCoercibleToString or isMoreCoercibleString. Only use the latter if it needs to return true for null, numbers, booleans and list of similarly coercibles." + "lib.strings.isCoercibleToString is deprecated in favor of either isStringLike or isMoreCoercibleString. Only use the latter if it needs to return true for null, numbers, booleans and list of similarly coercibles." isMoreCoercibleToString; /* Check whether a list or other value can be passed to toString. @@ -814,13 +814,13 @@ rec { x ? outPath || x ? __toString; - /* Check whether a value can be coerced to a string, + /* Check whether a value can be coerced to a string. The value must be a string, path, or attribute set. - This follows Nix's internal coerceToString(coerceMore = false) logic, - except for external types, for which we return false. + String-like values can be used without explicit conversion in + string interpolations and in most functions that expect a string. */ - isSimpleCoercibleToString = x: + isStringLike = x: elem (typeOf x) [ "path" "string" ] || x ? outPath || x ? __toString; @@ -838,7 +838,7 @@ rec { => false */ isStorePath = x: - if isSimpleCoercibleToString x then + if isStringLike x then let str = toString x; in substring 0 1 str == "/" && dirOf str == storeDir |