1 files changed, 49 insertions, 67 deletions
diff --git a/meta/files/ext-sdk-prepare.py b/meta/files/ext-sdk-prepare.py
index 143e0feba0..96c5212a2e 100644
--- a/meta/files/ext-sdk-prepare.py
+++ b/meta/files/ext-sdk-prepare.py
@@ -5,82 +5,64 @@
 import sys
 import os
 import subprocess
+import signal
 
-def exec_watch(cmd, **options):
-    """Run program with stdout shown on sys.stdout"""
-    if isinstance(cmd, basestring) and not "shell" in options:
-        options["shell"] = True
+def reenable_sigint():
+    signal.signal(signal.SIGINT, signal.SIG_DFL)
 
-    process = subprocess.Popen(
-        cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, **options
-    )
-
-    buf = ''
-    while True:
-        out = process.stdout.read(1)
-        if out:
-            sys.stdout.write(out)
-            sys.stdout.flush()
-            buf += out
-        elif out == '' and process.poll() != None:
-            break
-
-    return process.returncode, buf
+def run_command_interruptible(cmd):
+    """
+    Run a command with output displayed on the console, but ensure any Ctrl+C is
+    processed only by the child process.
+    """
+    signal.signal(signal.SIGINT, signal.SIG_IGN)
+    try:
+        ret = subprocess.call(cmd, shell=True, preexec_fn=reenable_sigint)
+    finally:
+        signal.signal(signal.SIGINT, signal.SIG_DFL)
+    return ret
 
+def get_last_consolelog():
+    '''Return the most recent console log file'''
+    logdir = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'tmp', 'log', 'cooker')
+    if os.path.exists(logdir):
+        mcdir = os.listdir(logdir)
+        if mcdir:
+            logdir = os.path.join(logdir, mcdir[0])
+            logfiles = [os.path.join(logdir, fn) for fn in os.listdir(logdir)]
+            logfiles.sort(key=os.path.getmtime)
+            if logfiles:
+                return os.path.join(logdir, logfiles[-1])
+    return None
 
 def main():
     if len(sys.argv) < 2:
-        print('Please specify target to prepare with')
+        print('Please specify output log file')
         return 1
-
-    sdk_targets = ' '.join(sys.argv[1:]).split()
-    print('Preparing SDK for %s...' % ', '.join(sdk_targets))
-
-    ret, out = exec_watch('bitbake %s --setscene-only' % ' '.join(sdk_targets))
-    if ret:
+    logfile = sys.argv[1]
+    if len(sys.argv) < 3:
+        sdk_targets = []
+    else:
+        sdk_targets = ' '.join(sys.argv[2:]).split()
+    if not sdk_targets:
+        # Just do a parse so the cache is primed
+        ret = run_command_interruptible('bitbake -p --quiet')
         return ret
 
-    targetlist = []
-    for target in sdk_targets:
-        if ':' in target:
-            target = target.split(':')[0]
-        if not target in targetlist:
-            targetlist.append(target)
+    with open(logfile, 'a') as logf:
+        logf.write('Preparing SDK for %s...\n' % ', '.join(sdk_targets))
 
-    recipes = []
-    for target in targetlist:
-        try:
-            out = subprocess.check_output(('bitbake -e %s' % target).split(), stderr=subprocess.STDOUT)
-            for line in out.splitlines():
-                if line.startswith('FILE='):
-                    splitval = line.rstrip().split('=')
-                    if len(splitval) > 1:
-                        recipes.append(splitval[1].strip('"'))
-                    break
-        except subprocess.CalledProcessError as e:
-            print('ERROR: Failed to get recipe for target %s:\n%s' % (target, e.output))
-            return 1
-
-    try:
-        out = subprocess.check_output('bitbake %s -n' % ' '.join(sdk_targets), stderr=subprocess.STDOUT, shell=True)
-        unexpected = []
-        for line in out.splitlines():
-            if 'Running task' in line:
-                for recipe in recipes:
-                    if recipe in line:
-                        break
-                else:
-                    line = line.split('Running', 1)[-1]
-                    unexpected.append(line.rstrip())
-    except subprocess.CalledProcessError as e:
-        print('ERROR: Failed to execute dry-run:\n%s' % e.output)
-        return 1
-
-    if unexpected:
-        print('ERROR: Unexpected tasks left over to be executed:')
-        for line in unexpected:
-            print('  ' + line)
-        return 1
+        ret = run_command_interruptible('BB_SETSCENE_ENFORCE=1 bitbake --quiet %s' % ' '.join(sdk_targets))
+        if not ret:
+            ret = run_command_interruptible('bitbake --quiet build-sysroots')
+        lastlog = get_last_consolelog()
+        if lastlog:
+            with open(lastlog, 'r') as f:
+                for line in f:
+                    logf.write(line)
+        if ret:
+            print('ERROR: SDK preparation failed: error log written to %s' % logfile)
+            return ret
 
 if __name__ == "__main__":
     try:
@@ -88,5 +70,5 @@ if __name__ == "__main__":
     except Exception:
         ret = 1
         import traceback
-        traceback.print_exc(5)
+        traceback.print_exc()
     sys.exit(ret)