Fixes #432. Fixes #672.

src/nimble.nim

@@ -205,7 +205,7 @@ proc processDeps(pkginfo: PackageInfo, options: Options): seq[PackageInfo] =
       raise newException(NimbleError,
         "Cannot satisfy the dependency on $1 $2 and $1 $3" %
           [pkgInfo.name, pkgInfo.version, pkgsInPath[pkgInfo.name]])
-    pkgsInPath[pkgInfo.name] = pkgInfo.version
+    pkgsInPath[pkgInfo.name] = pkgInfo.getConcreteVersion(options)
 
   # We add the reverse deps to the JSON file here because we don't want
   # them added if the above errorenous condition occurs

src/nimblepkg/common.nim

@@ -22,7 +22,8 @@ when not defined(nimscript):
       preHooks*: HashSet[string]
       name*: string
       ## The version specified in the .nimble file.Assuming info is non-minimal,
-      ## it will always be a non-special version such as '0.1.4'
+      ## it will always be a non-special version such as '0.1.4'.
+      ## If in doubt, use `getConcreteVersion` instead.
       version*: string
       specialVersion*: string ## Either `myVersion` or a special version such as #head.
       author*: string

src/nimblepkg/packageparser.nim

@@ -487,6 +487,15 @@ proc toFullInfo*(pkg: PackageInfo, options: Options): PackageInfo =
   else:
     return pkg
 
+proc getConcreteVersion*(pkgInfo: PackageInfo, options: Options): string =
+  ## Returns a non-special version from the specified ``pkgInfo``. If the
+  ## ``pkgInfo`` is minimal it looks it up and retrieves the concrete version.
+  result = pkgInfo.version
+  if pkgInfo.isMinimal:
+    let pkgInfo = pkgInfo.toFullInfo(options)
+    result = pkgInfo.version
+  assert(not newVersion(result).isSpecial)
+
 when isMainModule:
   validatePackageName("foo_bar")
   validatePackageName("f_oo_b_a_r")