Patch to src/nrelease/Makefile to ease live CD ISO building
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Hey all,
As you may or may not know or care, I've been working a lot on the
installer lately, and apropos to that, I needed a way to get what we
have of the installer software onto a live CD image. To this end, I've
made some modifications to src/nrelease/Makefile to make customizing
live CD's easier.
The major differences in it are how it treats packages and root
skeletons.
Instead of simply requiring that mkisofs and cvsup are installed on the
host machine and copying those binaries over, it requires that the
package files mkisofs.tgz and cvsup-without-gui.tgz exist on the host
machine, and it installs them onto the live CD image by chroot'ing and
pkg_add'ing them (I originally tried just using `pkg_add -p' but that
appears to be horribly broken for some packages; thanks go to GeekGod
for supplying this chroot magic.)
Moreover, the user can change where the packages are obtained from by
setting PACKAGES_LOC, and can specify further packages to install on
the image by setting EXTRA_PACKAGES. (This is how we've been getting
the installer on the test ISO's)
This is all done with a new `pkgaddiso' target, which is required by all
the release targets. Additionally, there is a seperate `pkgcleaniso'
target which can be used to remove all packages from the ISODIR.
To cover customization needs that can't be handled with packages, the
patch also allows the user to specify additional root skeletons. A root
skeleton is just a directory tree with files which will be copied over
the existing files in the ISODIR. src/nrelease/root is one such root
skeleton, and in fact, it is the required root skeleton. The user may
specify additional root skeletons with the EXTRA_ROOTSKELS variable.
Each root skeleton overwrites the files in the last. This is all done
in the new `customizeiso' target.
cpdup is used to copy the root skeletons into the ISODIR. Also, after
all root skeletons are copied, a single `find' sweep is used to remove
the CVS directories, instead of relying on cpignore files, which don't
scale well in this instance (there would need to be one per directory.)
Lastly, there is a small change to the `clean' target: it deletes the
contents of ISOROOT, rather than ISOROOT itself. This is because I have
ISOROOT mounted on a dedicated partition (which seems reasonable, and is
handy for testing the live-cd-to-be without actually burning it to a
real CD or even creating an .iso file.)
This patch will have the following impact on people currently making
releases (notably Matt and Simon:)
* You need mkisofs.tgz and cvsup-without-gui.tgz on (or fetchable by)
the host machine. By default they're expected in
/usr/ports/packages/Latest/, but this can be changed by setting
PACKAGES_LOC. It can be a URL, in which case the packages will be
fetched by pkg_add in the usual way.
* All of the files in those packages will be present on the generated
ISO (i.e. not just /usr/local/bin/mkisofs, but also
/usr/local/bin/isodump et al.)
Everything else should work the same. Let me know what you think.
Thanks,
-Chris
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Index: Makefile
===================================================================
RCS file: /home/dcvs/src/nrelease/Makefile,v
retrieving revision 1.8
diff -u -r1.8 Makefile
--- Makefile 23 Apr 2004 02:14:07 -0000 1.8
+++ Makefile 5 Jun 2004 19:38:09 -0000
@@ -7,6 +7,23 @@
OBJSYS= ${.OBJDIR}/../sys
KERNCONF ?= GENERIC
+# Specify which packages are required on the ISO, and let the user
+# specify additional packages to include. During the `pkgaddiso'
+# target, the packages are obtained from PACKAGES_LOC, which can
+# be either a directory name or a URL; in either case, it must end
+# with a slash.
+#
+REQ_PACKAGES= mkisofs cvsup-without-gui
+PACKAGES?= ${REQ_PACKAGES} ${EXTRA_PACKAGES}
+PACKAGES_LOC?= /usr/ports/packages/Latest/
+
+# Specify which root skeletons are required, and let the user include
+# their own. They are copied into ISODIR during the `pkgcustomizeiso'
+# target; each overwrites the last.
+#
+REQ_ROOTSKELS= ${.CURDIR}/root
+ROOTSKELS?= ${REQ_ROOTSKELS} ${EXTRA_ROOTSKELS}
+
# note: we use the '${NRLOBJDIR}/nrelease' construct, that is we add
# the additional '/nrelease' manually, as a safety measure.
#
@@ -15,11 +32,14 @@
WORLD_CCVER ?= ${CCVER}
KERNEL_CCVER ?= ${CCVER}
-release: check clean buildworld1 buildkernel1 buildiso mkiso
+release: check clean buildworld1 buildkernel1 \
+ buildiso customizeiso pkgaddiso mkiso
-quickrel: check clean buildworld2 buildkernel2 buildiso mkiso
+quickrel: check clean buildworld2 buildkernel2 \
+ buildiso customizeiso pkgaddiso mkiso
-realquickrel: check clean buildiso mkiso
+realquickrel: check clean \
+ buildiso customizeiso pkgaddiso mkiso
check:
if [ ! -f /usr/local/bin/mkisofs ]; then \
@@ -51,16 +71,44 @@
if [ ! -d ${NRLOBJDIR}/nrelease ]; then mkdir -p ${NRLOBJDIR}/nrelease; fi
( cd ${.CURDIR}/..; make DESTDIR=${ISOROOT} installworld )
( cd ${.CURDIR}/../etc; MAKEOBJDIRPREFIX=${NRLOBJDIR}/nrelease make DESTDIR=${ISOROOT} distribution )
- cpdup -X cpignore -o ${.CURDIR}/root ${ISOROOT} -vv
( cd ${.CURDIR}/..; make DESTDIR=${ISOROOT} \
installkernel KERNCONF=${KERNCONF} )
mtree -deU -f ${.CURDIR}/../etc/mtree/BSD.local.dist -p ${ISOROOT}/usr/local/
mtree -deU -f ${.CURDIR}/../etc/mtree/BSD.var.dist -p ${ISOROOT}/var
dev_mkdb -f ${ISOROOT}/var/run/dev.db ${ISOROOT}/dev
- cp /usr/local/bin/mkisofs ${ISOROOT}/usr/local/bin
- cp /usr/local/man/man8/mkisofs.8.gz ${ISOROOT}/usr/local/man/man8
- cp /usr/local/bin/cvsup ${ISOROOT}/usr/local/bin
- cp /usr/local/man/man1/cvsup.1.gz ${ISOROOT}/usr/local/man/man1
+
+customizeiso:
+.for ROOTSKEL in ${ROOTSKELS}
+ cpdup -X cpignore -o ${ROOTSKEL} ${ISOROOT}
+.endfor
+ rm -rf `find ${ISOROOT} -type d -name CVS -print`
+
+pkgcleaniso:
+ echo "#!/bin/sh" > ${ISOROOT}/tmp/chrootscript
+ echo "pkg_delete '*'" >> ${ISOROOT}/tmp/chrootscript
+ chmod a+x ${ISOROOT}/tmp/chrootscript
+ chroot ${ISOROOT}/ /tmp/chrootscript
+ rm ${ISOROOT}/tmp/chrootscript
+
+pkgaddiso:
+ cp /etc/resolv.conf ${ISOROOT}/etc/resolv.conf
+.for PKG in ${PACKAGES}
+ echo "#!/bin/sh" > ${ISOROOT}/tmp/chrootscript
+ echo "echo 'Installing package ${PKG}...'" >> ${ISOROOT}/tmp/chrootscript
+ if [ -d "${PACKAGES_LOC}" ]; then \
+ cp ${PACKAGES_LOC}/${PKG}.tgz ${ISOROOT}/tmp && \
+ echo "pkg_add /tmp/${PKG}.tgz" >> ${ISOROOT}/tmp/chrootscript ; \
+ else \
+ echo "pkg_add ${PACKAGES_LOC}${PKG}.tgz" >> ${ISOROOT}/tmp/chrootscript ; \
+ fi
+ chmod a+x ${ISOROOT}/tmp/chrootscript
+ chroot ${ISOROOT}/ /tmp/chrootscript
+ rm ${ISOROOT}/tmp/chrootscript
+ if [ -d "${PACKAGES_LOC}" ]; then \
+ rm ${ISOROOT}/tmp/${PKG}.tgz ; \
+ fi
+.endfor
+ rm ${ISOROOT}/etc/resolv.conf
mkiso:
( cd ${ISOROOT}; mkisofs -b boot/cdboot -no-emul-boot \
@@ -68,7 +116,7 @@
clean:
if [ -d ${ISOROOT} ]; then chflags -R noschg ${ISOROOT}; fi
- if [ -d ${ISOROOT} ]; then rm -rf ${ISOROOT}; fi
+ if [ -d ${ISOROOT} ]; then rm -rf ${ISOROOT}/*; fi
if [ -d ${NRLOBJDIR}/nrelease ]; then rm -rf ${NRLOBJDIR}/nrelease; fi
realclean: clean
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