update doc

api/functions

@@ -2,3 +2,9 @@
 fn_exists(){
     LC_ALL=C type $1 | grep -q 'shell function' &>/dev/null
 }
+is_target(){
+	return [ "$TARGET" == "$1" ]
+}
+is_host(){
+	return [ "$HOST" == "$1" ]
+}

doc/building.rst

@@ -28,15 +28,15 @@ BUILDDIR
 Main directory that uses for all operations. Unibuild create 3 directory for building. **WORKDIR** **INSTALLDIR** **PKGDIR**
 All directories in builddir. Unibuild created builddir with **mktemp -d** command.
 
-1. WORKDIR
+**1. WORKDIR**
 
 Workdir is building directory. Before running functions, unibuild go workdir. Workdir is changeable variable. If only one source directory in workdir. unibuild automaticaly change workdir as source directory.
 
-2. INSTALLDIR
+**2. INSTALLDIR**
 
 Installdir is package destdir. Spec must store package files in here.
 
-3. PKGDIR
+**3. PKGDIR**
 
 Pkgdir is packaging directory required by target packager.
 

readme.rst

@@ -17,4 +17,6 @@ Simple usage
 ============
 [TARGET=*your_target*] **unibuild** [*file/url*]
 
-
+Documentation
+=============
+Visit https://gitlab.com/sulinos/devel/unibuild/-/blob/master/doc/building.rst