[oe-commits] [bitbake] 04/04: main: Improve -v and -D option documentation

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rpurdie pushed a commit to branch master-next
in repository bitbake.

commit 921592026c69287cdb40ffd90944d5944f28e2c3
Author: Diana Thayer <garbados at gmail.com>
AuthorDate: Tue Mar 21 13:27:05 2017 -0700

    main: Improve -v and -D option documentation
    
    Expanded and clarify documentation for the -v, --verbose and -D, --debug
    options.
    
    [YOCTO #9962]
    
    Signed-off-by: Diana Thayer <garbados at gmail.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 doc/bitbake-user-manual/bitbake-user-manual-intro.xml | 16 +++++++++++++---
 lib/bb/main.py                                        | 15 +++++++++++++--
 2 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/doc/bitbake-user-manual/bitbake-user-manual-intro.xml b/doc/bitbake-user-manual/bitbake-user-manual-intro.xml
index 7248a0b..5bbfc67 100644
--- a/doc/bitbake-user-manual/bitbake-user-manual-intro.xml
+++ b/doc/bitbake-user-manual/bitbake-user-manual-intro.xml
@@ -504,9 +504,19 @@
                              Read the specified file before bitbake.conf.
        -R POSTFILE, --postread=POSTFILE
                              Read the specified file after bitbake.conf.
-       -v, --verbose         Output more log message data to the terminal.
-       -D, --debug           Increase the debug level. You can specify this more
-                             than once.
+       -v, --verbose         Enable tracing of shell tasks (with 'set -x').
+                             Also print bb.note(...) messages to stdout (in
+                             addition to writing them to ${T}/log.do_<task>).
+       -D, --debug           Increase the debug level. You can specify this
+                             more than once. -D sets the debug level to 1,
+                             where only bb.debug(1, ...) messages are printed
+                             to stdout; -DD sets the debug level to 2, where
+                             both bb.debug(1, ...) and bb.debug(2, ...)
+                             messages are printed; etc. Without -D, no debug
+                             messages are printed. Note that -D only affects
+                             output to stdout. All debug messages are written
+                             to ${T}/log.do_taskname, regardless of the debug
+                             level.
        -n, --dry-run         Don't execute, just go through the motions.
        -S SIGNATURE_HANDLER, --dump-signatures=SIGNATURE_HANDLER
                              Dump out the signature construction information, with
diff --git a/lib/bb/main.py b/lib/bb/main.py
index b3cd2cf..8c948c2 100755
--- a/lib/bb/main.py
+++ b/lib/bb/main.py
@@ -174,10 +174,21 @@ class BitBakeConfigParameters(cookerdata.ConfigParameters):
                           help="Read the specified file after bitbake.conf.")
 
         parser.add_option("-v", "--verbose", action="store_true", dest="verbose", default=False,
-                          help="Output more log message data to the terminal.")
+                          help="Enable tracing of shell tasks (with 'set -x'). "
+                               "Also print bb.note(...) messages to stdout (in "
+                               "addition to writing them to ${T}/log.do_<task>).")
 
         parser.add_option("-D", "--debug", action="count", dest="debug", default=0,
-                          help="Increase the debug level. You can specify this more than once.")
+                          help="Increase the debug level. You can specify this "
+                               "more than once. -D sets the debug level to 1, "
+                               "where only bb.debug(1, ...) messages are printed "
+                               "to stdout; -DD sets the debug level to 2, where "
+                               "both bb.debug(1, ...) and bb.debug(2, ...) "
+                               "messages are printed; etc. Without -D, no debug "
+                               "messages are printed. Note that -D only affects "
+                               "output to stdout. All debug messages are written "
+                               "to ${T}/log.do_taskname, regardless of the debug "
+                               "level.")
 
         parser.add_option("-q", "--quiet", action="count", dest="quiet", default=0,
                           help="Output less log message data to the terminal. You can specify this more than once.")

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