Add support for updating const's defined in Nim source files.

update_version.nim

@@ -57,10 +57,11 @@ Details:
 
     Specifically it uses the following regexes:
 
-      TODO
+        Nim:   ^\s*const\s+\S*VERSION\S*\*?\s*=\s*"(<old-version>)"\s*$
+        Node:  ^\s*export\s+const\s+\S*VERSION\S*\s*=\s*"(<old-version>)"\s*;?$
 """
 
-const UV_VERSION = "1.0.0"
+const UV_VERSION = "1.0.2"
 
 type
   LangType = enum lNim, lNode
@@ -85,9 +86,13 @@ type PackageVersion = object
 # See also:
 #   https://regex101.com/r/Ly7O1x/3/
 #
-let SemVerPattern =
+let SemVerRegex =
   re"^(?P<major>0|[1-9]\d*)\.(?P<minor>0|[1-9]\d*)\.(?P<patch>0|[1-9]\d*)(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$"
 
+let NimConstPattern = "^\\s*const\\s+\\S*VERSION\\S*\\*?\\s*=\\s*\"($#)\"\\s*$"
+let NodeConstPattern =
+  "^\\s*export\\s+const\\s+\\S*VERSION\\S*\\s*=\\s*\"($#)\"\\s*;?$"
+
 proc parseNimblePackage(dir: Path): PackageVersion =
   result = PackageVersion(lang: lNim)
 
@@ -146,6 +151,25 @@ proc writePackage(pkg: PackageVersion) =
     writeFile($pkg.file, pkg.nodePackage.pretty)
 
 
+proc replaceVersionInFile(file: Path, pkg: PackageVersion, vOld: string) =
+  let rgx =
+    case pkg.lang
+    of lNim: re(NimConstPattern % [vOld.replace(".", "\\.")])
+    of lNode: re(NodeConstPattern % [vOld.replace(".", "\\.")])
+
+  var newLines = newSeq[string]()
+  for l in lines($file):
+    let mOpt = l.match(rgx)
+    if mOpt.isSome:
+      let m = mOpt.get
+      newLines.add(
+        l[0..<m.captureBounds[0].a] &
+        pkg.version &
+        l[m.captureBounds[0].b+1 .. ^1])
+    else: newLines.add(l)
+
+  writeFile($file, newLines.join("\p"))
+
 proc incrementLastVersionPart(version: string): string =
   let versionParts = toSeq(findIter(version, re"([^\d.]+)?\.?(\d+)"))
   let lastVersionPartMatch = versionParts[^1]
@@ -171,7 +195,7 @@ proc incrementSemverPart(
 
   result = ""
 
-  let matchOpt = match(version, SemVerPattern)
+  let matchOpt = match(version, SemVerRegex)
 
   if matchOpt.isNone:
     raise newException(ValueError,
@@ -241,6 +265,8 @@ when isMainModule:
     else:
       detectAndParsePackage(dir)
 
+  let oldVersion = pkg.version
+
   if args["bump"]:
     if $args["<part>"] == "last":
       pkg.version = incrementLastVersionPart(pkg.version)
@@ -249,10 +275,18 @@ when isMainModule:
       pkg.version = incrementSemverPart(pkg.version, part)
 
     writePackage(pkg)
+
+    for filePath in args["<src-file>"]:
+      replaceVersionInFile(Path(filePath), pkg, oldVersion)
+
     echo pkg.version
 
   elif args["set"]:
     pkg.version = $args["<new-version>"]
+
+    for filePath in args["<src-file>"]:
+      replaceVersionInFile(Path(filePath), pkg, oldVersion)
+
     writePackage(pkg)
     echo pkg.version
 
@@ -260,21 +294,18 @@ when isMainModule:
 
   elif args["interactive"]:
     var acceptNewVersion = false
-    var newVersion = pkg.version
     while not acceptNewVersion:
-      stdout.writeLine "Current version is " & pkg.version
+      stdout.writeLine "Current version is " & oldVersion
       stdout.write "New version? "
-      newVersion  = stdin.readLine
+      pkg.version  = stdin.readLine
 
       stdout.write "New version will be set to '" & pkg.version & "'. Is this correct (yes/no)? "
       let isCorrect = stdin.readLine
-      let acceptNewVersion = "yes".startsWith(isCorrect.toLower)
+      acceptNewVersion = "yes".startsWith(isCorrect.toLower)
 
-    pkg.version = newVersion
     echo "Updating version definition in " & $pkg.file
     writePackage(pkg)
 
-    # TODO:
-    # for f in filesToUpdate:
-    #   echo "Updating version definition in " & $f
-    #   updateVersionInFile(f)
+    for filePath in args["<src-file>"]:
+      echo "Updating version definition in " & $filePath
+      replaceVersionInFile(Path(filePath), pkg, oldVersion)