> -----Original Message-----
> From: Stefan Sperling [mailto:s...@elego.de]
> Sent: dinsdag 18 december 2012 10:46
> To: Peter Samuelson; dev@subversion.apache.org
> Subject: Re: svn commit: r1422706 - in /subversion/trunk/subversion:
> libsvn_subr/opt.c tests/cmdline/svntest/main.py
>
> On Mon, Dec 17, 2012 at 09:39:49PM +0100, Stefan Sperling wrote:
> > The simple patch below implements it with the isatty() on *nix and
> > _isatty() on Windows (untested -- thanks for the hint Bert!).
>
> Updated version that adds --force-interactive for users who require
> the previous behaviour for whatever purposes.
>
> [[[
> Add a new function to the cmdline library to determine whether standard
> input is connected to a terminal device. Set the --non-interactive flag
> by default if standard input is not a terminal device.
> Add a new --force-interactive option to force previous behaviour.
>
> * subversion/include/svn_cmdline.h
> (svn_cmdline__stdin_isatty): Declare.
>
> * subversion/libsvn_subr/cmdline.c: Include io.h on Windows.
> (svn_cmdline__stdin_isatty): New.
>
> * subversion/svn/cl.h
> (svn_cl__opt_state_t): Add force_interactive option.
>
> * subversion/svn/svn.c
> (svn_cl__longopt_t): Add opt_force_interactive.
> (sub_main): Set the --non-interactive option based on whether stdin is a
> tty,
> unless interactive mode has been forced with --force-interactive.
> Enforce mutual exclusion of --non-interactive and --force-interactive.
> ]]]
>
> Index: subversion/include/svn_cmdline.h
> ==========================================================
> =========
> --- subversion/include/svn_cmdline.h (revision 1423113)
> +++ subversion/include/svn_cmdline.h (working copy)
> @@ -381,6 +381,11 @@ svn_cmdline__getopt_init(apr_getopt_t **os,
> const char *argv[],
> apr_pool_t *pool);
>
> +/* Determine whether standard input is associated with a terminal.
> + * @since New in 1.8. */
> +svn_boolean_t
> +svn_cmdline__stdin_isatty(void);
> +
> #ifdef __cplusplus
> }
> #endif /* __cplusplus */
> Index: subversion/libsvn_subr/cmdline.c
> ==========================================================
> =========
> --- subversion/libsvn_subr/cmdline.c (revision 1423113)
> +++ subversion/libsvn_subr/cmdline.c (working copy)
> @@ -33,6 +33,7 @@
> #include <unistd.h>
> #else
> #include <crtdbg.h>
> +#include <io.h>
> #endif
>
> #include <apr_errno.h> /* for apr_strerror */
> @@ -923,3 +924,13 @@
> svn_cmdline__print_xml_prop_hash(svn_stringbuf_t *
>
> return SVN_NO_ERROR;
> }
> +
> +svn_boolean_t
> +svn_cmdline__stdin_isatty(void)
> +{
> +#ifdef WIN32
> + return (_isatty(0) != 0);
> +#else
> + return (isatty(STDIN_FILENO) != 0);
> +#endif
apr.h defines STDIN_FILENO (and friends) on Windows, so you can just use
that macro on Windows.
Bert
