bake.py: add warning if building on unsupported os

lib/oelite/cmd/bake.py

@@ -1,7 +1,9 @@
 import oebakery
 import oelite.baker
 import logging
-
+import setup
+import os
+import sys
 
 description = "Build something"
 
@@ -14,6 +16,9 @@ def add_parser_options(parser):
     parser.add_option("--debug-loglines",
                       action="store", default=42, metavar="N",
                       help="Show last N lines of logfiles of failed tasks (default: 42)")
+    parser.add_option("-s", "--skip-os-check",
+                      action="store_true", default=False, metavar="skip_os_check",
+                      help="Skip supported OS check")
     return
 
 
@@ -23,8 +28,46 @@ def parse_args(options, args):
     else:
         logging.getLogger().setLevel(logging.INFO)
 
+def os_check(config):
+    distro, release = setup.get_host_distro()
+    if distro and release:
+        setup_file, supported = setup.get_setup_file(config, distro, release)
+        if supported:
+            return True
+
+    if distro and release:
+        print('WARNING: Host distribution (%s %s) has not been validated'%(distro, release))
+    else:
+        print("WARNING: Cannot determine host distribution")
+
+    response = 'n'
+
+    if os.isatty(sys.stdin.fileno()):
+        while True:
+            try:
+                response = raw_input(
+                    "Do you want to continue [Y/n]? ")
+            except KeyboardInterrupt:
+                print
+                response = 'n'
+            response = response.lower()
+            if response == '':
+                response = 'y'
+            if response in ('y', 'n'):
+                print
+                break
+
+    if response == 'n':
+        print "Maybe another time"
+        return False
+    return True
 
 def run(options, args, config):
+
+    if not options.skip_os_check:
+        if not os_check(config):
+            return 1
+
     try:
         baker = oelite.baker.OEliteBaker(options, args, config)
     except oelite.parse.ParseError as e:

lib/oelite/cmd/setup.py

@@ -114,8 +114,22 @@ def retval(f):
     setup_file = oelite.path.which(oepath, os.path.join('setup', distro))
     return retval(setup_file)
 
+def check_release_from_file(file, pattern=""):
+    try:
+        logging.debug("Checking for distro %s in %s", pattern, file)
+        if (os.path.exists(file) and
+            os.path.isfile(file)):
+            if (len(pattern) == 0): return True
+            release_info = open(file, 'r').read()
+            return (re.findall(pattern, release_info) > 0)
+    except:
+        logging.debug("Error while handling release file")
+
+    return False
+
 def get_host_distro():
     logging.debug("Running host distribution detection")
+
     logging.debug("Searching for lsb_release information")
     # try lsb-release which is the most widely available method
     logging.debug("Checking for the lsb_release binary")
@@ -145,6 +159,27 @@ def get_host_distro():
 
     logging.debug("No lsb_release information available")
     logging.debug("Checking for other known host distributions")
+
+    logging.debug("Checking for Ubuntu 16.04")
+    if (check_release_from_file("/etc/lsb-release", "Ubuntu 16.04")):
+        return "ubuntu", "16.04"
+
+    logging.debug("Checking for Ubuntu 15.10")
+    if (check_release_from_file("/etc/lsb-release", "Ubuntu 15.10")):
+        return "ubuntu", "15.10"
+
+    logging.debug("Checking for Ubuntu 15.04")
+    if (check_release_from_file("/etc/lsb-release", "Ubuntu 15.04")):
+        return "ubuntu", "15.04"
+
+    logging.debug("Checking for Debian 8")
+    if (check_release_from_file("/etc/debian_version", "8\..*")):
+        return "debian", "8"
+
+    logging.debug("Checking for Debian 7")
+    if (check_release_from_file("/etc/debian_version", "7\..*")):
+        return "debian", "7"
+
     logging.debug("Checking for Exherbo")
     if (os.path.exists("/etc/exherbo-release") and
         os.path.isfile("/etc/exherbo-release")):

setup/debian_8

@@ -0,0 +1,2 @@
+# Debian 8.x
+sudo apt-get install -y apt-utils sudo ssh-client git subversion python-ply python-setuptools python-pysqlite2 python-magic python-pycurl python-svn python-dev build-essential wget bzip2 zip unzip quilt autoconf automake libtool pkg-config gawk bison flex texinfo curl ncurses-dev groff-base cpio intltool liblzo2-2 bc gperf tree

setup/ubuntu_15.10

@@ -0,0 +1,2 @@
+# Ubuntu 15.04
+sudo apt-get --yes install python-support python-magic python-pycurl python-pkg-resources python-dev coreutils sed git-core cvs subversion mercurial quilt gawk texinfo automake autoconf autopoint libtool curl texi2html diffstat openjade groff mtd-utils build-essential make gcc g++ binutils bison flex bc ncurses-dev zip unzip lzma gtk-doc-tools docbook-utils libxml2-utils xmlto help2man libglib2.0-dev lzop gperf python-svn libacl1-dev

setup/ubuntu_16.04

@@ -0,0 +1,2 @@
+# Ubuntu 16.04
+sudo apt-get --yes install python python-magic python-pycurl python-pkg-resources python-dev coreutils sed git-core cvs subversion mercurial quilt gawk texinfo automake autoconf autopoint libtool curl texi2html diffstat openjade groff mtd-utils build-essential make gcc g++ binutils bison flex bc ncurses-dev zip unzip lzma gtk-doc-tools docbook-utils libxml2-utils xmlto help2man libglib2.0-dev lzop gperf python-svn libacl1-dev fakeroot cpio