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simplify internal engine functions

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now they tend to take in functions instead of files
This commit is contained in:
jacekpoz 2024-09-13 11:15:06 +02:00
parent 0b7f0fd888
commit 3565101316
Signed by: poz
SSH key fingerprint: SHA256:JyLeVWE4bF3tDnFeUpUaJsPsNlJyBldDGV/dIKSLyN8
1 changed files with 20 additions and 22 deletions
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42
engine.nix
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@ -15,22 +15,21 @@ pkgs: src: {extraArgs, entries, templates}: let
isBaseTemplate = template:
isString template.output;
findTemplateFile = entry: let
_template = findFirst (templateFile: let
templateFn = import templateFile;
template = templateFn (functionArgs templateFn);
in
template.name == entry.template)
null
templates;
findTemplateFn = entry: let
template = findFirst (templateFile: let
templateFn = import templateFile;
template' = templateFn (functionArgs templateFn);
in
template'.name == entry.template)
null
templates;
in
if _template == null then
if template == null then
abort "unknown template `${entry.template}`"
else
_template;
(import template);
applyTemplate = templateFile: entry: let
templateFn = import templateFile;
applyTemplate = templateFn: entry: let
template = templateFn (args // entry);
in
if isBaseTemplate template then {
@ -39,9 +38,9 @@ pkgs: src: {extraArgs, entries, templates}: let
}
else let
newEntry = template.output // {inherit (entry) file;};
foundTemplateFile = findTemplateFile newEntry;
foundTemplateFn = findTemplateFn newEntry;
in
applyTemplate foundTemplateFile newEntry;
applyTemplate foundTemplateFn newEntry;
replaceSuffix = from: to: string:
if !(hasSuffix from string) then
@ -49,8 +48,7 @@ pkgs: src: {extraArgs, entries, templates}: let
else
concatStrings [ (removeSuffix from string) to ];
getTemplateFormat = entry: templateFile: let
templateFn = import templateFile;
getTemplateFormat = entry: templateFn: let
# getEntry needs to go down to the base template for the format
# but any template through the way can ask for a file
# so we just give it a placeholder - an empty string here
@ -61,15 +59,15 @@ pkgs: src: {extraArgs, entries, templates}: let
template.format
else let
newEntry = template.output;
foundTemplateFile = findTemplateFile newEntry;
foundTemplateFn = findTemplateFn newEntry;
in
getTemplateFormat newEntry foundTemplateFile;
getTemplateFormat newEntry foundTemplateFn;
getEntry = entryFile: let
sourceFile = toString (removePrefix src entryFile);
entry = (import entryFile) args;
foundTemplateFile = findTemplateFile entry;
entryFormat = getTemplateFormat entry foundTemplateFile;
foundTemplateFn = findTemplateFn entry;
entryFormat = getTemplateFormat entry foundTemplateFn;
in
if !(hasAttr "file" entry) then
entry // {
@ -79,10 +77,10 @@ pkgs: src: {extraArgs, entries, templates}: let
entry;
processEntryFile = entryFile: let
foundTemplateFile = findTemplateFile entry;
foundTemplateFn = findTemplateFn entry;
entry = getEntry entryFile;
in
applyTemplate foundTemplateFile entry;
applyTemplate foundTemplateFn entry;
in /*sh*/''
${concatMapStrings