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lib.strings: isSimpleCoercibleString -> isStringLike

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Robert Hensing 2022-12-31 00:38:16 +01:00
parent 5b8de3d9d8
commit 872a24ebbc
2 changed files with 10 additions and 10 deletions
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14
lib/strings.nix
View file

@ -395,7 +395,7 @@ rec {
*/ */
toShellVar = name: value: toShellVar = name: value:
lib.throwIfNot (isValidPosixName name) "toShellVar: ${name} is not a valid shell variable name" ( 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 ${name}=(${ "declare -A ${name}=(${
concatStringsSep " " (lib.mapAttrsToList (n: v: concatStringsSep " " (lib.mapAttrsToList (n: v:
"[${escapeShellArg n}]=${escapeShellArg v}" "[${escapeShellArg n}]=${escapeShellArg v}"
@ -800,7 +800,7 @@ rec {
/* Soft-deprecated name for isMoreCoercibleToString */ /* Soft-deprecated name for isMoreCoercibleToString */
isCoercibleToString = lib.warnIf (lib.isInOldestRelease 2305) 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; isMoreCoercibleToString;
/* Check whether a list or other value can be passed to toString. /* Check whether a list or other value can be passed to toString.
@ -814,13 +814,13 @@ rec {
x ? outPath || x ? outPath ||
x ? __toString; 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. The value must be a string, path, or attribute set.
This follows Nix's internal coerceToString(coerceMore = false) logic, String-like values can be used without explicit conversion in
except for external types, for which we return false. string interpolations and in most functions that expect a string.
*/ */
isSimpleCoercibleToString = x: isStringLike = x:
elem (typeOf x) [ "path" "string" ] || elem (typeOf x) [ "path" "string" ] ||
x ? outPath || x ? outPath ||
x ? __toString; x ? __toString;
@ -838,7 +838,7 @@ rec {
=> false => false
*/ */
isStorePath = x: isStorePath = x:
if isSimpleCoercibleToString x then if isStringLike x then
let str = toString x; in let str = toString x; in
substring 0 1 str == "/" substring 0 1 str == "/"
&& dirOf str == storeDir && dirOf str == storeDir

6
lib/types.nix
View file

@ -54,7 +54,7 @@ let
concatStringsSep concatStringsSep
escapeNixString escapeNixString
hasInfix hasInfix
isSimpleCoercibleToString isStringLike
; ;
inherit (lib.trivial) inherit (lib.trivial)
boolToString boolToString
@ -227,7 +227,7 @@ rec {
merge = loc: defs: merge = loc: defs:
let let
getType = value: getType = value:
if isAttrs value && isSimpleCoercibleToString value if isAttrs value && isStringLike value
then "stringCoercibleSet" then "stringCoercibleSet"
else builtins.typeOf value; else builtins.typeOf value;
@ -479,7 +479,7 @@ rec {
path = mkOptionType { path = mkOptionType {
name = "path"; name = "path";
descriptionClass = "noun"; descriptionClass = "noun";
check = x: isSimpleCoercibleToString x && builtins.substring 0 1 (toString x) == "/"; check = x: isStringLike x && builtins.substring 0 1 (toString x) == "/";
merge = mergeEqualOption; merge = mergeEqualOption;
}; };