Improve Travis CI folding (#10473)

.travis.yml

@@ -45,7 +45,9 @@ before_script:
   - set +e   # prevents breaking after_failure
 
 script:
+  - echo "travis_fold:start:nim_c_koch"
   - nim c koch
+  - echo "travis_fold:end:nim_c_koch"
   - ./koch runCI
 
 before_deploy:

koch.nim

@@ -163,7 +163,7 @@ proc bundleNimsuggest() =
   nimCompile("nimsuggest/nimsuggest.nim", options = "-d:release")
 
 proc buildVccTool() =
-  nimCompile("tools/vccexe/vccexe.nim")
+  nimCompileFold("Compile Vcc", "tools/vccexe/vccexe.nim")
 
 proc bundleWinTools() =
   # TODO: consider building under `bin` instead of `.`
@@ -208,10 +208,10 @@ proc buildTool(toolname, args: string) =
 
 proc buildTools() =
   bundleNimsuggest()
-  nimCompile("tools/nimgrep.nim", options = "-d:release")
+  nimCompileFold("Compile nimgrep", "tools/nimgrep.nim", options = "-d:release")
   when defined(windows): buildVccTool()
-  nimCompile("nimpretty/nimpretty.nim", options = "-d:release")
-  nimCompile("tools/nimfind.nim", options = "-d:release")
+  nimCompileFold("Compile nimpretty", "nimpretty/nimpretty.nim", options = "-d:release")
+  nimCompileFold("Compile nimfind", "tools/nimfind.nim", options = "-d:release")
 
 proc nsis(latest: bool; args: string) =
   bundleNimbleExe(latest)

tools/kochdocs.nim

@@ -42,10 +42,10 @@ proc execFold*(desc, cmd: string, errorcode: int = QuitFailure, additionalPath =
   ## Execute shell command. Add log folding on Travis CI.
   # https://github.com/travis-ci/travis-ci/issues/2285#issuecomment-42724719
   if existsEnv("TRAVIS"):
-    echo "travis_fold:start:" & desc.replace(" ", "")
+    echo "travis_fold:start:" & desc.replace(" ", "_")
   exec(cmd, errorcode, additionalPath)
   if existsEnv("TRAVIS"):
-    echo "travis_fold:end:" & desc.replace(" ", "")
+    echo "travis_fold:end:" & desc.replace(" ", "_")
 
 proc execCleanPath*(cmd: string,
                    additionalPath = ""; errorcode: int = QuitFailure) =
@@ -69,6 +69,11 @@ proc nimCompile*(input: string, outputDir = "bin", mode = "c", options = "") =
   let cmd = findNim() & " " & mode & " -o:" & output & " " & options & " " & input
   exec cmd
 
+proc nimCompileFold*(desc, input: string, outputDir = "bin", mode = "c", options = "") =
+  let output = outputDir / input.splitFile.name.exe
+  let cmd = findNim() & " " & mode & " -o:" & output & " " & options & " " & input
+  execFold(desc, cmd)
+
 const
   pdf = """
 doc/manual.rst