update ci/nimble (#40)

* update flag parsing
* fix mac CI

.github/workflows/ci.yml

@@ -30,7 +30,7 @@ jobs:
             shell: bash
           - target:
               os: macos
-            builder: macos-10.15
+            builder: macos-12
             shell: bash
           - target:
               os: windows
@@ -43,6 +43,7 @@ jobs:
 
     name: '${{ matrix.target.os }}-${{ matrix.target.cpu }} (Nim ${{ matrix.branch }})'
     runs-on: ${{ matrix.builder }}
+    continue-on-error: ${{ matrix.branch == 'devel' }}
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -95,23 +96,23 @@ jobs:
         id: windows-dlls-cache
         uses: actions/cache@v2
         with:
-          path: external/dlls
-          key: 'dlls'
+          path: external/dlls-${{ matrix.target.cpu }}
+          key: 'dlls-${{ matrix.target.cpu }}'
 
-      - name: Install DLL dependencies (Windows)
+      - name: Install DLLs dependencies (Windows)
         if: >
           steps.windows-dlls-cache.outputs.cache-hit != 'true' &&
           runner.os == 'Windows'
         run: |
-          mkdir external
+          mkdir -p external
           curl -L "https://nim-lang.org/download/windeps.zip" -o external/windeps.zip
-          7z x external/windeps.zip -oexternal/dlls
+          7z x -y external/windeps.zip -oexternal/dlls-${{ matrix.target.cpu }}
 
       - name: Path to cached dependencies (Windows)
         if: >
           runner.os == 'Windows'
         run: |
-          echo '${{ github.workspace }}'"/external/dlls" >> $GITHUB_PATH
+          echo "${{ github.workspace }}/external/dlls-${{ matrix.target.cpu }}" >> $GITHUB_PATH
 
       - name: Derive environment variables
         run: |
@@ -153,5 +154,5 @@ jobs:
           nim --version
           nimble --version
           nimble install -y --depsOnly
-          env TEST_LANG="c" nimble test
-          env TEST_LANG="cpp" nimble test
+          env NIMLANG=c nimble test
+          env NIMLANG=cpp nimble test

secp256k1.nimble

@@ -8,16 +8,28 @@ license       = "Apache License 2.0"
 skipDirs      = @["tests"]
 installDirs   = @["secp256k1_wrapper"]
 
-requires "nim >= 1.2.0"
-requires "stew"
-requires "nimcrypto"
+requires "nim >= 1.2.0",
+         "stew",
+         "nimcrypto"
 
-proc test(args, path: string) =
-  # style checking can't generate errors, because nimcrypto mixes styles
-  exec "nim " & getEnv("TEST_LANG", "c") & " " & getEnv("NIMFLAGS")  & " " & args &
-    " -r -f --hints:off --styleCheck:usages --styleCheck:hint --skipParentCfg " & path
+let nimc = getEnv("NIMC", "nim") # Which nim compiler to use
+let lang = getEnv("NIMLANG", "c") # Which backend (c/cpp/js)
+let flags = getEnv("NIMFLAGS", "") # Extra flags for the compiler
+let verbose = getEnv("V", "") notin ["", "0"]
+
+let styleCheckStyle = if (NimMajor, NimMinor) < (1, 6): "hint" else: "error"
+let cfg =
+  " --styleCheck:usages --styleCheck:" & styleCheckStyle &
+  (if verbose: "" else: " --verbosity:0 --hints:off") &
+  " --skipParentCfg --skipUserCfg"
+
+proc build(args, path: string) =
+  exec nimc & " " & lang & " " & cfg & " " & flags & " " & args & " " & path
+
+proc run(args, path: string) =
+  build args & " -r", path
 
 task test, "Tests":
-  test "--threads:on", "tests/all_tests"
-  test "--threads:off", "tests/all_tests"
+  run "--threads:on", "tests/all_tests"
+  run "--threads:off", "tests/all_tests"