Date: Thu, 7 Nov 2013 10:20:20 +0000 (UTC) From: Devin Teske <dteske@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r257782 - head/usr.sbin/bsdconfig/share Message-ID: <201311071020.rA7AKKnt027927@svn.freebsd.org>
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Author: dteske Date: Thu Nov 7 10:20:19 2013 New Revision: 257782 URL: http://svnweb.freebsd.org/changeset/base/257782 Log: Add global DEBUG_INITIALIZE_FILE environment variable for controlling whether the debugFile is truncated upon initialization (useful for when children implicitly re-initialize debugging and you want children to append to your existing debugFile). Modified: head/usr.sbin/bsdconfig/share/common.subr Modified: head/usr.sbin/bsdconfig/share/common.subr ============================================================================== --- head/usr.sbin/bsdconfig/share/common.subr Thu Nov 7 10:14:40 2013 (r257781) +++ head/usr.sbin/bsdconfig/share/common.subr Thu Nov 7 10:20:19 2013 (r257782) @@ -68,6 +68,14 @@ export UNAME_R="$(uname -r)" # Release L : ${DEBUG_SELF_INITIALIZE=1} # +# Default behavior of f_debug_init() is to truncate $debugFile (set to NULL to +# disable truncating the debug file when initializing). To get child processes +# to append to the same log file, export this variarable (with a NULL value) +# and also export debugFile with the desired value. +# +: ${DEBUG_INITIALIZE_FILE=1} + +# # Define standard optstring arguments that should be supported by all programs # using this include (unless DEBUG_SELF_INITIALIZE is set to NULL to prevent # f_debug_init() from autamatically processing "$@" for the below arguments): @@ -164,13 +172,13 @@ f_debug_init() [ "$debugFile" ] && export debugFile # - # Truncate the debug file upon. Note that we will trim a leading plus - # (`+') from the value of debugFile to support persistant meaning that - # f_dprintf() should print both to standard output and $debugFile - # (minus the leading plus, of course). + # Truncate debug file unless requested otherwise. Note that we will + # trim a leading plus (`+') from the value of debugFile to support + # persistant meaning that f_dprintf() should print both to standard + # output and $debugFile (minus the leading plus, of course). # local _debug_file="${debugFile#+}" - if [ "$_debug_file" ]; then + if [ "$_debug_file" -a "$DEBUG_INITIALIZE_FILE" ]; then if ( umask 022 && :> "$_debug_file" ); then f_dprintf "Successfully initialized debugFile \`%s'" \ "$_debug_file"
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