rename: _build -> _sourcess

It just looks nicer:

https://github.com/divnix/devos/tree/6343a118ca26f4dd25e70dbb1a6cdf742007c32a/pkgs

.github/workflows/nix.yml

@@ -25,7 +25,7 @@ jobs:
       run : nix shell --command nvfetcher --config nvfetcher_example.toml
 
     - name: Cleanup
-      run: rm -r _build sources.nix
+      run: rm -r _sources sources.nix
 
     - name: Test Main_example.hs
       run: nix develop .\#ghcWithNvfetcher --command runghc Main_example.hs

.gitignore

@@ -53,7 +53,7 @@ TAGS
 # other
 .DS_Store
 
-_build
+_sources
 sources.nix
 
 result

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Revision history for nvfetcher
 
+## unreleased
+
+* Rename `_build` to `_sources`
+
+
 ## 0.3.0.0
 
 There are massive enhancements since the last release:

README.md

@@ -58,7 +58,7 @@ and nvfetcher will help us keep their version and prefetched SHA256 sums up-to-d
 Shake will help us handle necessary rebuilds -- we check versions of packages during each run, but only prefetch them when needed.
 
 
-`sources.nix` is a symlink of `_build/generated.nix`, which means that the "build" results produced by `nvfetcher` are under `_build`,
+`sources.nix` is a symlink of `_sources/generated.nix`, which means that the "build" results produced by `nvfetcher` are under `_sources`,
 so you have to keep this directory for further use.
 
 ### Live examples

src/NvFetcher.hs

@@ -139,7 +139,7 @@ runNvFetcherNoCLI args@Args {..} packageSet = do
   let opts =
         argShakeOptions
           { shakeExtra = addShakeExtra shakeExtras (shakeExtra argShakeOptions),
-            shakeFiles = "_build"
+            shakeFiles = "_sources"
           }
       rules = mainRules args
   shake opts $ want [argTarget] >> rules
@@ -149,7 +149,7 @@ runNvFetcherNoCLI args@Args {..} packageSet = do
 mainRules :: Args -> Rules ()
 mainRules Args {..} = do
   "clean" ~> do
-    removeFilesAfter "_build" ["//*"]
+    removeFilesAfter "_sources" ["//*"]
     whenJust argOutputFilePath $ \out -> removeFilesAfter "." [out]
     argActionAfterClean
 

src/NvFetcher/Options.hs

@@ -90,7 +90,7 @@ getCLIOptions parser = do
       version
       "nvfetcher - generate nix sources expr for the latest version of packages"
       ( unlines
-          [ "It's important to keep _build dir.",
+          [ "It's important to keep _sources dir.",
             "If you change any field of an existing package, you may have to run target \"clean\" to invalidate the databse,",
             "making sure the consistency of our build system."
           ]