buildsys: add lint incremental mode, use stricter check mode for full build

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

debian/control

@@ -3,7 +3,7 @@ Section: web
 Priority: optional
 Maintainer: Proxmox Support Team <support@proxmox.com>
 Build-Depends: debhelper (>= 10~),
-               pve-eslint,
+               pve-eslint (>= 7.12.1-1),
 Standards-Version: 3.9.8
 Homepage: http://www.proxmox.com
 

src/Makefile

@@ -65,12 +65,16 @@ JSSRC=					\
 all: ${SUBDIRS}
 	set -e && for i in ${SUBDIRS}; do ${MAKE} -C $$i; done
 
+.lint-incremental: ${JSSRC}
+	eslint $?
+	touch "$@"
+
 .PHONY: lint
 check: lint
 lint: ${JSSRC}
-	eslint ${JSSRC}
+	eslint --strict ${JSSRC}
 
-proxmoxlib.js: ${JSSRC}
+proxmoxlib.js: .lint-incremental ${JSSRC}
 	# add the version as comment in the file
 	echo "// ${DEB_VERSION_UPSTREAM_REVISION}" > $@.tmp
 	cat ${JSSRC} >> $@.tmp