don't depend on which. Add CI script

flake.nix

@@ -48,9 +48,9 @@
           };
 
           defaultPackage = self.packages.${system}.lsyncd;
-          devShell = pkgs.mkShell {
-            buildInputs = defaultDeps ++ buildTypes.lua5_3;
-          };
+          # devShell = pkgs.mkShell {
+          #   buildInputs = defaultDeps ++ buildTypes.lua5_3;
+          # };
         }
       );
 }

tests/ci-run.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+set -ex
+
+SRC=`pwd`
+BUILD_FOLDER=`mktemp -d`
+echo "Build folder: $BUILD_FOLDER"
+cd $BUILD_FOLDER
+cmake $SRC
+make VERBOSE=1
+make tests
+rm -rf $BUILD_FOLDER

tests/testlib.lua

@@ -3,6 +3,7 @@ posix = require( 'posix' )
 string = require( 'string' )
 path = require( 'pl.path' )
 stringx = require( 'pl.stringx' )
+local sys_stat = require "posix.sys.stat"
 
 -- escape codes to colorize output on terminal
 local c1='\027[47;34m'
@@ -99,6 +100,17 @@ function script_path()
 	return path.dirname(path.abspath(debug.getinfo(1).short_src))
 end
 
+function which(exec)
+	local path = os.getenv("PATH")
+	for match in (path..':'):gmatch("(.-)"..':') do
+		local fname = match..'/'..exec
+        local s = sys_stat.stat(fname)
+		if s ~= nil then
+			return fname
+		end
+    end
+end
+
 --
 -- Starts test ssh server
 --
@@ -135,10 +147,9 @@ function startSshd()
 		PidFile ]] .. sshdPath .. [[sshd.pid
 	]])
 	f:close( )
-	local which = io.popen("which sshd")
-	local path = which:read("a")
-	local exePath = string.sub(path, 0, #path - 1 )
-	-- local sshPath = which:read("a*")
+	--local which = io.popen("which sshd")
+	exePath = which('sshd')
+	cwriteln("Using sshd: "..exePath)
 
 	local pid = spawn(exePath, "-f", sshdPath .. "sshd_config")
 	cwriteln( 'spawned sshd server: ' .. pid)