[RFA 3/3] NEWS and documentation for new info sources [-d | -b] [--] [REGEXP] args

[Philippe Waroquiers <philippe.waroquiers@skynet.be>]

gdb/ChangeLog
2019-03-31  Philippe Waroquiers  <philippe.waroquiers@skynet.be>

        * NEWS: Mention changes to info sources.

gdb/doc/ChangeLog
2019-03-31  Philippe Waroquiers  <philippe.waroquiers@skynet.be>

        * gdb.texinfo (info sources): Document new args.
---
 gdb/NEWS            | 8 ++++++++
 gdb/doc/gdb.texinfo | 9 +++++++++
 2 files changed, 17 insertions(+)

diff --git a/gdb/NEWS b/gdb/NEWS
index 4bfa15becf..04b2b45909 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -16,6 +16,14 @@
 
 * Support for Pointer Authentication on AArch64 Linux.
 
+* Changed commands
+
+info sources [-d | -b] [--] [REGEXP]
+  This command has now optional arguments to only print the files
+  whose names match REGEXP.  The arguments -d and -b allow to
+  restrict matching respectively to the dirname and basename
+  parts of the files.
+
 *** Changes in GDB 8.3
 
 * GDB and GDBserver now support access to additional registers on
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index bb958cf25d..66068816cd 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -17985,6 +17985,15 @@ Print the names of all source files in your program for which there is
 debugging information, organized into two lists: files whose symbols
 have already been read, and files whose symbols will be read when needed.
 
+@item info sources [-d | -b] [--] [@var{regexp}]
+Like @samp{info sources}, but only print the names of the files
+matching the provided regexp.
+By default, the regexp is used to match anywhere in the filename.
+If -d, only files having a dirname matching regexp are shown.
+If -b, only files having a basename matching regexp are shown.
+The matching is case-sensitive, except on operating systems that
+have case-insensitive filesystem (e.g., MS-Windows).
+
 @kindex info functions
 @item info functions [-q]
 Print the names and data types of all defined functions.
-- 
2.20.1