Date: Fri, 14 Mar 2014 19:46:32 +0000 (UTC) From: Warner Losh <imp@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r263188 - head/tools/tools/nanobsd Message-ID: <201403141946.s2EJkWT6056090@svn.freebsd.org>
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Author: imp Date: Fri Mar 14 19:46:32 2014 New Revision: 263188 URL: http://svnweb.freebsd.org/changeset/base/263188 Log: When NANO_IMAGE_MBRONLY is set, and we're backing via swap, only copy the MBR. PR: 136889 Submitted by: Aragon Gouveia Modified: head/tools/tools/nanobsd/nanobsd.sh Modified: head/tools/tools/nanobsd/nanobsd.sh ============================================================================== --- head/tools/tools/nanobsd/nanobsd.sh Fri Mar 14 19:46:18 2014 (r263187) +++ head/tools/tools/nanobsd/nanobsd.sh Fri Mar 14 19:46:32 2014 (r263188) @@ -136,6 +136,9 @@ NANO_BOOT2CFG="-h" # Can be "file" or "swap" NANO_MD_BACKING="file" +# for swap type md(4) backing, write out the mbr only +NANO_IMAGE_MBRONLY=true + # Progress Print level PPLEVEL=3 @@ -573,6 +576,14 @@ create_i386_diskimage ( ) ( fi if [ "${NANO_MD_BACKING}" = "swap" ] ; then + if [ ${NANO_IMAGE_MBRONLY} ]; then + echo "Writing out _.disk.mbr..." + dd if=/dev/${MD} of=${NANO_DISKIMGDIR}/_.disk.mbr bs=512 count=1 + else + echo "Writing out ${NANO_IMGNAME}..." + dd if=/dev/${MD} of=${IMG} bs=64k + fi + echo "Writing out ${NANO_IMGNAME}..." dd conv=sparse if=/dev/${MD} of=${IMG} bs=64k fi
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