Fix permission denied and file flushing issues

src/nimgen/c2nim.nim

@@ -20,10 +20,10 @@ proc c2nim*(fl, outfile: string, c2nimConfig: c2nimConfigObj) =
   var cfile = file
   if c2nimConfig.preprocess:
     cfile = "temp-$#.c" % [outfile.extractFilename()]
-    writeFile(cfile, runPreprocess(file, c2nimConfig.ppflags, c2nimConfig.flags, c2nimConfig.inline))
+    writeFileFlush(cfile, runPreprocess(file, c2nimConfig.ppflags, c2nimConfig.flags, c2nimConfig.inline))
   elif c2nimConfig.ctags:
     cfile = "temp-$#.c" % [outfile.extractFilename()]
-    writeFile(cfile, runCtags(file))
+    writeFileFlush(cfile, runCtags(file))
 
   if c2nimConfig.defines and (c2nimConfig.preprocess or c2nimConfig.ctags):
     prepend(cfile, getDefines(file, c2nimConfig.inline))

src/nimgen/external.nim

@@ -6,22 +6,11 @@ proc sanitizePath*(path: string): string =
   path.multiReplace([("\\", "/"), ("//", "/")])
 
 proc execProc*(cmd: string): string =
-  result = ""
-  var
-    p = startProcess(cmd, options = {poStdErrToStdOut, poUsePath, poEvalCommand})
+  var ret: int
 
-    outp = outputStream(p)
-    line = newStringOfCap(120).TaintedString
-
-  while true:
-    if outp.readLine(line):
-      result.add(line)
-      result.add("\n")
-    elif not running(p): break
-
-  var x = p.peekExitCode()
-  if x != 0:
-    echo "Command failed: " & $x
+  (result, ret) = execCmdEx(cmd)
+  if ret != 0:
+    echo "Command failed: " & $ret
     echo cmd
     echo result
     quit(1)
@@ -64,12 +53,15 @@ proc gitReset*() =
   discard execProc("git reset --hard HEAD")
 
 proc gitCheckout*(file: string) =
-  echo "  Resetting " & file
+  echo "Resetting " & file
 
   setCurrentDir(gOutput)
   defer: setCurrentDir(gProjectDir)
 
-  discard execProc("git checkout $#" % file.replace(gOutput & "/", ""))
+  let cmd = "git checkout $#" % file.replace(gOutput & "/", "")
+  if execCmdEx(cmd)[0].contains("Permission denied"):
+    sleep(500)
+    discard execProc(cmd)
 
 proc gitRemotePull*(url: string, pull=true) =
   if dirExists(gOutput/".git"):

src/nimgen/file.nim

@@ -82,6 +82,12 @@ proc openRetry*(file: string, mode: FileMode = fmRead): File =
     except IOError:
       sleep(100)
 
+template writeFileFlush*(file, content: string): untyped =
+  let f = openRetry(file, fmWrite)
+  f.write(content)
+  f.flushFile()
+  f.close()
+
 template withFile*(file: string, body: untyped): untyped =
   if fileExists(file):
     var f = openRetry(file)
@@ -93,9 +99,7 @@ template withFile*(file: string, body: untyped): untyped =
     body
 
     if content != contentOrig:
-      f = openRetry(file, fmWrite)
-      write(f, content)
-      f.close()
+      writeFileFlush(file, content)
   else:
     echo "Missing file " & file
 

src/nimgen/runcfg.nim

@@ -57,7 +57,7 @@ proc runFile*(file: string, cfgin: OrderedTableRef = newOrderedTable[string, str
       if action == "create":
         echo "Creating " & file
         createDir(file.splitPath().head)
-        writeFile(file, cfg[act])
+        writeFileFlush(file, cfg[act])
         if file in gExcludes:
           gExcludes.delete(gExcludes.find(file))
         sfile = search(file)