fixup and test [nimDocOnly]

koch.nim

@@ -517,13 +517,12 @@ proc runCI(cmd: string) =
   if isAzureCI(): installNode()
 
   template runDocs() =
-    when defined(posix):
-      kochExecFold("Docs", "docs --git.commit:devel")
+    echo "runDocs"
+    when defined(posix): kochExecFold("Docs", "docs --git.commit:devel")
 
   if isNimDocOnly():
-    echo "isNimDocOnly: true"
+    kochExecFold("Boot in release mode", "boot -d:release")
     runDocs()
-    echo "isNimDocOnly: done"
     return
 
   # boot without -d:nimHasLibFFI to make sure this still works

tools/continuous_integration.nim

@@ -23,15 +23,12 @@ proc tryRunCmd(cmd: string): bool =
   execShellCmd(cmd) == 0
 
 proc gitLogPretty(): string =
-  ## returns last 2 entries
-  runCmd "pwd && git rev-parse --show-toplevel"
-  runCmd "git log --no-merges -1 --pretty=oneline"
-  runCmd "git log --no-merges -2 --pretty=oneline"
+  ## last commit msg excluding merge commit, so that it works both for PR's
+  ## and direct pushes to repo
   let cmd = "git log --no-merges -1 --pretty=oneline"
-  echo cmd
   let (outp, errC) = execCmdEx(cmd)
   doAssert errC == 0, $outp
-  echo ("gitLogPretty", outp, errC)
+  echo ("gitLogPretty", cmd, outp)
   outp
 
 proc isNimDocOnly*(): bool =