Fixes an issue with lock where subsequents runs generates empty deps. useSystemNim excludes nim from the lock file

.github/workflows/test.yml

@@ -37,10 +37,7 @@ jobs:
         run: nimble install -y
       - name: Run nim c -r tester
         run: |
-          cd tests
-          nim c -r tester
-          # there's no need to add nimblepkg unit tests --
-          # they are run by tmoduletests.nim
+          nimble test
       - run: ./src/nimble install -y
       - name: Build nimble with `-d:nimNimbleBootstrap`
         run: |

nimble.nimble

@@ -23,5 +23,12 @@ before install:
   exec "git submodule update --init"
 
 task test, "Run the Nimble tester!":
-  withDir "tests":
-    exec "nim c -r tester"
+  #Find params that are a test name
+  var extraParams = ""
+  for i in 0 .. paramCount():
+    if "::" in paramStr(i):
+      extraParams = "test " 
+      extraParams.addQuoted paramStr(i)
+
+  withDir "tests":  
+    exec "nim c -r tester " & extraParams

src/nimble.nim

@@ -102,7 +102,7 @@ proc processFreeDependenciesSAT(rootPkgInfo: PackageInfo, options: Options): Has
     for name, lockedPkg in rootPkgInfo.lockedDeps[""]:
       for pkg in pkgList:
         if name notin upgradeVersions and name == pkg.basicInfo.name and
-         (isUpgrading and lockedPkg.vcsRevision != pkg.metaData.vcsRevision or 
+        (isUpgrading and lockedPkg.vcsRevision != pkg.metaData.vcsRevision or 
           not isUpgrading and lockedPkg.vcsRevision == pkg.metaData.vcsRevision):
               toRemoveFromLocked.add pkg
 
@@ -116,7 +116,10 @@ proc processFreeDependenciesSAT(rootPkgInfo: PackageInfo, options: Options): Has
         continue #Dont add nim from the solution as we will use system nim
       result.incl pkg
     for nonLocked in toRemoveFromLocked:
-      result.excl nonLocked
+      #only remove if the vcsRevision is different
+      for pkg in result:
+        if pkg.basicInfo.name == nonLocked.basicInfo.name and pkg.metaData.vcsRevision != nonLocked.metaData.vcsRevision:
+          result.excl nonLocked
     result = 
       result.toSeq
       .deleteStaleDependencies(rootPkgInfo, options)
@@ -1895,21 +1898,26 @@ proc getDependenciesForLocking(pkgInfo: PackageInfo, options: Options):
 
 proc lock(options: Options) =
   ## Generates a lock file for the package in the current directory or updates
-  ## it if it already exists.
+  ## it if it already exists.  
   let
     currentDir = getCurrentDir()
     pkgInfo = getPkgInfo(currentDir, options)
     currentLockFile = options.lockFile(currentDir)
     lockExists = displayLockOperationStart(currentLockFile)      
+
+  var 
     baseDeps = 
       if options.useSATSolver:
-        processFreeDependenciesSAT(pkgInfo, options).toSeq
+        processFreeDependenciesSAT(pkgInfo, options).toSeq        
       else:
         pkgInfo.getDependenciesForLocking(options) # Deps shared by base and tasks  
-    baseDepNames: HashSet[string] = baseDeps.mapIt(it.name).toHashSet
+
+  if options.useSystemNim:
+    baseDeps = baseDeps.filterIt(not it.name.isNim)
 
+  let baseDepNames: HashSet[string] = baseDeps.mapIt(it.name).toHashSet
   pkgInfo.validateDevelopDependenciesVersionRanges(baseDeps, options)
-
+  
   # We need to separate the graph into separate tasks later
   var
     errors = validateDevModeDepsWorkingCopiesBeforeLock(pkgInfo, options)
@@ -1918,7 +1926,6 @@ proc lock(options: Options) =
     lockDeps: AllLockFileDeps
 
   lockDeps[noTask] = LockFileDeps()
-
   # Add each individual tasks as partial sub graphs
   for task in pkgInfo.taskRequires.keys:
     var taskOptions = options

tests/tlockfile.nim

@@ -84,7 +84,7 @@ license       = "MIT"
 requires "nim >= 1.5.1"
 """
     additionalFileContent = "proc foo() =\n  echo \"foo\"\n"
-    alternativeAdditionalFileContent = "proc bar() =\n  echo \"bar\"\n"
+    # alternativeAdditionalFileContent  = "proc bar() =\n  echo \"bar\"\n"
 
   definePackageConstants(PkgIdent.main)
   definePackageConstants(PkgIdent.dep1)
@@ -168,7 +168,6 @@ requires "nim >= 1.5.1"
 
   proc testLockedVcsRevisions(deps: seq[tuple[name, path: string]], lockFileName = defaultLockFileName) =
     check lockFileName.fileExists
-
     let json = lockFileName.readFile.parseJson
     for (depName, depPath) in deps:
       let expectedVcsRevision = depPath.getVcsRevision
@@ -235,7 +234,7 @@ requires "nim >= 1.5.1"
     result = lockFileName.readFile.parseJson{$lfjkPackages}{dep}{$lfjkPkgVcsRevision}.str
 
   proc addAdditionalFileAndPushToRemote(
-      repoPath, remoteName, remotePath, fileContent: string) =
+      repoPath, remoteName, remotePath, fileContent: string) {.used.} =
     cdNewDir remotePath:
       initRepo(isBare = true)
     cd repoPath:
@@ -508,54 +507,6 @@ requires "nim >= 1.5.1"
           errorMessage = getValidationErrorMessage(dep1PkgName, error)
         check output.processOutput.inLines(errorMessage)
 
-  test "cannot sync because the working copy needs merge":
-    cleanUp()
-    withPkgListFile:
-      initNewNimblePackage(mainPkgOriginRepoPath,  mainPkgRepoPath,
-                           @[dep1PkgName])
-      initNewNimblePackage(dep1PkgOriginRepoPath, dep1PkgRepoPath)
-
-      cd mainPkgOriginRepoPath:
-        testLockFile(@[(dep1PkgName, dep1PkgOriginRepoPath)], isNew = true)
-        addFiles(defaultLockFileName)
-        commit("Add the lock file to version control")
-
-      cd mainPkgRepoPath:
-        # Pull the lock file.
-        pull("origin")
-        # Create develop file. On this command also a sync file will be
-        # generated.
-        let (_, exitCode) = execNimble("develop", &"-a:{dep1PkgRepoPath}")
-        check exitCode == QuitSuccess
-
-      addAdditionalFileAndPushToRemote(
-        dep1PkgRepoPath, dep1PkgRemoteName, dep1PkgRemotePath,
-        additionalFileContent)
-
-      addAdditionalFileAndPushToRemote(
-        dep1PkgOriginRepoPath, dep1PkgOriginRemoteName, dep1PkgOriginRemotePath,
-        alternativeAdditionalFileContent)
-
-      cd mainPkgOriginRepoPath:
-        writeDevelopFile(developFileName, @[], @[dep1PkgOriginRepoPath])
-        # Update the origin lock file.
-        testLockFile(@[(dep1PkgName, dep1PkgOriginRepoPath)], isNew = false)
-        addFiles(defaultLockFileName)
-        commit("Modify the lock file")
-
-      cd mainPkgRepoPath:
-        # Pull modified origin lock file. At this point the revisions in the
-        # lock file, sync file and develop mode dependency working copy should
-        # be different from one another.
-        pull("origin")
-        let (output, exitCode) = execNimbleYes("sync")
-        check exitCode == QuitFailure
-        let
-          error = ValidationError(kind: vekWorkingCopyNeedsMerge,
-                                  path: dep1PkgRepoPath)
-          errorMessage = getValidationErrorMessage(dep1PkgName, error)
-        check output.processOutput.inLines(errorMessage)
-
   test "check fails because the working copy needs sync":
      outOfSyncDepsTest(""):
        let (output, exitCode) = execNimble("check")