[Buildroot] [PATCH 8/9 v2] fs/common: move actions common to all filesystems to their own rule
Yann E. MORIN
yann.morin.1998 at free.fr
Mon Mar 28 21:43:42 UTC 2016
Romain, All,
On 2016-03-28 23:12 +0200, Romain Naour spake thusly:
> Le 11/03/2016 19:41, Yann E. MORIN a écrit :
> > A lot of actions are common to generating the various images. Currently,
> > they are all done for each image being generated.
> >
> > However, we can do them once and for all.
> >
> > Also add a sha-bang to the fakeroot script, for completeness.
> >
> > Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> > Cc: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> >
> > ---
> > Note: when I wrote that patch, it was only a preparatory work for something
> > bigger and clever about how images are generated. However, I can't recall
> > what it was... :-( Yet, I believe that patch to still be valid on its own.
>
> Maybe this patch was done to remove some $$ in the code :p
Hehe! However, who would complain for having too many $ ? ;-]
[--SNIP--]
> > @@ -66,32 +89,16 @@ ROOTFS_$(2)_COMPRESS_EXT = .xz
> > ROOTFS_$(2)_COMPRESS_CMD = xz -9 -C crc32 -c
> > endif
> >
> > -$$(BINARIES_DIR)/rootfs.$(1): target-finalize $$(ROOTFS_$(2)_DEPENDENCIES)
> > +ROOTFS_$(2)_FAKEROOT_SCRIPT = $$(FS_DIR)/fakeroot.$(1)
> > +
> > +$$(BINARIES_DIR)/rootfs.$(1): rootfs-common $$(ROOTFS_$(2)_DEPENDENCIES)
> > @$$(call MESSAGE,"Generating root filesystem image rootfs.$(1)")
> > $$(foreach hook,$$(ROOTFS_$(2)_PRE_GEN_HOOKS),$$(call $$(hook))$$(sep))
> > - rm -f $$(FAKEROOT_SCRIPT)
> > + $$(INSTALL) -D -m 0755 $$(FAKEROOT_SCRIPT) $$(ROOTFS_$(2)_FAKEROOT_SCRIPT)
> > + echo "$$(ROOTFS_$(2)_CMD)" >> $$(ROOTFS_$(2)_FAKEROOT_SCRIPT)
> > rm -f $$(TARGET_DIR_WARNING_FILE)
> > - rm -f $$(USERS_TABLE)
> > - echo "set -e" >> $$(FAKEROOT_SCRIPT)
> > - echo "chown -h -R 0:0 $$(TARGET_DIR)" >> $$(FAKEROOT_SCRIPT)
> > -ifneq ($$(ROOTFS_USERS_TABLES),)
> > - cat $$(ROOTFS_USERS_TABLES) >> $$(USERS_TABLE)
> > -endif
> > - printf '$$(subst $$(sep),\n,$$(PACKAGES_USERS))' >> $$(USERS_TABLE)
> > - PATH=$$(BR_PATH) $$(TOPDIR)/support/scripts/mkusers $$(USERS_TABLE) $$(TARGET_DIR) >> $$(FAKEROOT_SCRIPT)
> > -ifneq ($$(ROOTFS_DEVICE_TABLES),)
> > - cat $$(ROOTFS_DEVICE_TABLES) > $$(FULL_DEVICE_TABLE)
> > -ifeq ($$(BR2_ROOTFS_DEVICE_CREATION_STATIC),y)
> > - printf '$$(subst $$(sep),\n,$$(PACKAGES_DEVICES_TABLE))' >> $$(FULL_DEVICE_TABLE)
> > -endif
> > - printf '$$(subst $$(sep),\n,$$(PACKAGES_PERMISSIONS_TABLE))' >> $$(FULL_DEVICE_TABLE)
> > - echo "$$(HOST_DIR)/usr/bin/makedevs -d $$(FULL_DEVICE_TABLE) $$(TARGET_DIR)" >> $$(FAKEROOT_SCRIPT)
> > -endif
> > - echo "$$(ROOTFS_$(2)_CMD)" >> $$(FAKEROOT_SCRIPT)
> > - chmod a+x $$(FAKEROOT_SCRIPT)
> > - PATH=$$(BR_PATH) $$(HOST_DIR)/usr/bin/fakeroot -- $$(FAKEROOT_SCRIPT)
> > + PATH=$$(BR_PATH) $$(HOST_DIR)/usr/bin/fakeroot -- $$(ROOTFS_$(2)_FAKEROOT_SCRIPT)
> > $$(INSTALL) -m 0644 support/misc/target-dir-warning.txt $$(TARGET_DIR_WARNING_FILE)
> > - - at rm -f $$(FAKEROOT_SCRIPT) $$(FULL_DEVICE_TABLE)
>
> I think it's a good idea to keep all fakeroot.* script used during rootfs images
> build.
>
> Reviewed-by: Romain Naour <romain.naour at gmail.com>
>
> It seems that there is no need to add PATH=$(BR_PATH) in ROOTFS_EXT2_CMD since
> it's already present in fakeroot environment ? (see
> 89e16118b45c1bb8d112e8829d34e0883a6450be)
Indeed, but that should be done in a separate patch (since it was not
added in my series). I'll add such a patch to the series.
Thanks! :-)
Regards,
Yann E. MORIN.
> Best regards,
> Romain
>
> > ifneq ($$(ROOTFS_$(2)_COMPRESS_CMD),)
> > PATH=$$(BR_PATH) $$(ROOTFS_$(2)_COMPRESS_CMD) $$@ > $$@$$(ROOTFS_$(2)_COMPRESS_EXT)
> > endif
> >
>
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