--gc:arc fixes and testing

nimterop/conan.nim

@@ -1,4 +1,4 @@
-import json, marshal, os, strformat, strutils, tables
+import json, os, strformat, strutils, tables
 
 type
   ConanPackage* = ref object
@@ -272,7 +272,10 @@ proc loadConanInfo*(outdir: string): ConanPackage =
     file = outdir / conanInfo
 
   if fileExists(file):
-    result = to[ConanPackage](readFile(file))
+    try:
+      result = to(readFile(file).parseJson(), ConanPackage)
+    except:
+      discard
 
 proc saveConanInfo*(pkg: ConanPackage, outdir: string) =
   ## Save downloaded package info to `outdir/conaninfo.json`
@@ -280,7 +283,7 @@ proc saveConanInfo*(pkg: ConanPackage, outdir: string) =
   let
     file = outdir / conanInfo
 
-  writeFile(file, $$pkg)
+  writeFile(file, $(%pkg))
 
 proc parseConanManifest(pkg: ConanPackage, outdir: string) =
   # Get all library info from downloaded conan package

nimterop/jbb.nim

@@ -1,4 +1,4 @@
-import marshal, os, strutils
+import json, os, strutils
 
 type
   JBBPackage* = ref object
@@ -143,7 +143,10 @@ proc loadJBBInfo*(outdir: string): JBBPackage =
     file = outdir / jbbInfo
 
   if fileExists(file):
-    result = to[JBBPackage](readFile(file))
+    try:
+      result = to(readFile(file).parseJson(), JBBPackage)
+    except:
+      discard
 
 proc saveJBBInfo*(pkg: JBBPackage, outdir: string) =
   ## Save downloaded package info to `outdir/jbbinfo.json`
@@ -151,7 +154,7 @@ proc saveJBBInfo*(pkg: JBBPackage, outdir: string) =
   let
     file = outdir / jbbInfo
 
-  writeFile(file, $$pkg)
+  writeFile(file, $(%pkg))
 
 proc dlJBBRequires*(pkg: JBBPackage, outdir: string)
 proc downloadJBB*(pkg: JBBPackage, outdir: string, main = true) =

tests/getheader.nims

@@ -21,6 +21,9 @@ var
   lexp = "liblzma version = "
   zexp = "zlib version = "
 
+when (NimMajor, NimMinor, NimPatch) >= (1, 2, 0):
+  cmd &= " --gc:arc"
+
 testCall(cmd & lrcmd, "No build files found", 1)
 testCall(cmd & " -d:libssh2Conan" & sshcmd, "Need version for Conan uri", 1)
 testCall(cmd & " -d:libssh2JBB" & sshcmd, "Need version for BinaryBuilder.org uri", 1)