Re: [PATCH v2] dpkg, opkg, rpm-postinst: fix overwriting the run-postinstall script

[Martin Jansa <martin.jansa@gmail.com>]

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On Thu, Apr 11, 2013 at 02:09:25PM +0300, Laurentiu Palcu wrote:
> If multiple package managers are installed in the image, they will
> overwrite each other's run-postinsts script, resulting in postinstalls
> not beeing run at all at first boot.
> 
> What this patch does:
>  * checks whether opkg/dpks/rpm is actually used to install
>    the packages and, only after, creates the run-postinsts script;
>  * brings dpkg recipe in sync with opkg: moves the script creation from
>    do_install to postinstall;
>  * move creation of run-postinsts script (rpm-postinsts recipe) to the
>    postinstall scriptlet in order to better control the creation of the
>    script according to the package manager used;
> 
> [YOCTO #4231]
> [YOCTO #4179]
> 
> Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
> ---
> Changes in v2:
>  * addressed Richard's comment and, instead of using ${IMAGE_PKGTYPE}, check for the
>    existence of 'status' file for opkg/dpkg and 'Packages' file, for rpm;
> 
> I did tests with all backends as default package managers and another one installed
> with CORE_IMAGE_EXTRA_INSTALL. I saw no issues. The default's PM run-postinsts script
> is not overwritten.
> 
> Thanks,
> Laurentiu
> 
>  meta/recipes-devtools/dpkg/dpkg.inc        |   23 ++++++++++++++---------
>  meta/recipes-devtools/opkg/opkg.inc        |    3 ++-
>  meta/recipes-devtools/rpm/rpm-postinsts.bb |   19 ++++++++++++-------
>  3 files changed, 28 insertions(+), 17 deletions(-)
> 
> diff --git a/meta/recipes-devtools/dpkg/dpkg.inc b/meta/recipes-devtools/dpkg/dpkg.inc
> index 6bb1e16..5554920 100644
> --- a/meta/recipes-devtools/dpkg/dpkg.inc
> +++ b/meta/recipes-devtools/dpkg/dpkg.inc
> @@ -39,15 +39,6 @@ POSTLOG ?= "/var/log/postinstall.log"
>  REDIRECT_CMD = "${@base_contains('IMAGE_FEATURES', 'debug-tweaks', '>${POSTLOG} 2>&1', '', d)}"
>  
>  DPKG_INIT_POSITION ?= "98"
> -do_install_prepend () {
> -	install -d ${D}/${sysconfdir}/rcS.d
> -	# this happens at S98 where our good 'ole packages script used to run
> -	echo "#!/bin/sh
> -dpkg --configure -a ${REDIRECT_CMD}
> -rm -f ${sysconfdir}/rcS.d/S${DPKG_INIT_POSITION}run-postinsts
> -" > ${D}/${sysconfdir}/rcS.d/S${DPKG_INIT_POSITION}run-postinsts
> -	chmod 0755 ${D}/${sysconfdir}/rcS.d/S${DPKG_INIT_POSITION}run-postinsts
> -}
>  
>  do_install_append () {
>  	if [ "${PN}" = "dpkg-native" ]; then
> @@ -67,6 +58,20 @@ do_install_append_class-native () {
>  	done
>  }
>  
> +pkg_postinst_${PN} () {
> +#!/bin/sh
> +if [ "x$D" != "x" ] && [ -f $D/var/lib/dpkg/status ]; then
> +	install -d ${D}/${sysconfdir}/rcS.d
> +
> +	# this happens at S98 where our good 'ole packages script used to run
> +	echo "#!/bin/sh
> +dpkg --configure -a ${REDIRECT_CMD}
> +rm -f ${sysconfdir}/rcS.d/S${DPKG_INIT_POSITION}run-postinsts
> +" > ${D}/${sysconfdir}/rcS.d/S${DPKG_INIT_POSITION}run-postinsts
> +	chmod 0755 ${D}/${sysconfdir}/rcS.d/S${DPKG_INIT_POSITION}run-postinsts
> +fi
> +}
> +
>  PROV = "virtual/update-alternatives"
>  PROV_class-native = ""
>  
> diff --git a/meta/recipes-devtools/opkg/opkg.inc b/meta/recipes-devtools/opkg/opkg.inc
> index f9c1202..ff26b04 100644
> --- a/meta/recipes-devtools/opkg/opkg.inc
> +++ b/meta/recipes-devtools/opkg/opkg.inc
> @@ -62,8 +62,9 @@ REDIRECT_CMD = "${@base_contains('IMAGE_FEATURES', 'debug-tweaks', '>${POSTLOG}
>  
>  pkg_postinst_${PN} () {
>  #!/bin/sh
> -if [ "x$D" != "x" ]; then
> +if [ "x$D" != "x" ] && [ -f $D/var/lib/opkg/status ]; then

Don't hardcode '/var/lib/opkg' we have variable for that.
http://git.openembedded.org/openembedded-core/commit/?id=cf0aa9c4fdae8855803e96b1922d54a2431795d3

>  	install -d $D${sysconfdir}/rcS.d
> +
>  	# this happens at S98 where our good 'ole packages script used to run
>  	echo "#!/bin/sh
>  opkg-cl configure ${REDIRECT_CMD}
> diff --git a/meta/recipes-devtools/rpm/rpm-postinsts.bb b/meta/recipes-devtools/rpm/rpm-postinsts.bb
> index fb05ad6..b551c8d 100644
> --- a/meta/recipes-devtools/rpm/rpm-postinsts.bb
> +++ b/meta/recipes-devtools/rpm/rpm-postinsts.bb
> @@ -27,15 +27,17 @@ do_compile() {
>  }
>  
>  do_install() {
> -	install -d ${D}/${sysconfdir}/rcS.d
> -	# Stop $i getting expanded below...
> -	i=\$i
> -	cat > ${D}${sysconfdir}/rcS.d/S${POSTINSTALL_INITPOSITION}run-postinsts << EOF
> -#!/bin/sh
> +	:
> +}
>  
> +pkg_postinst_${PN} () {
> +if [ "x$D" != "x" ] && [ -f $D/var/lib/rpm/Packages ]; then
> +	install -d $D/${sysconfdir}/rcS.d
> +	cat > $D${sysconfdir}/rcS.d/S${POSTINSTALL_INITPOSITION}run-postinsts << "EOF"
> +#!/bin/sh
>  . /etc/default/rcS
>  
> -[ -d /etc/rpm-postinsts ] && for i in \`ls /etc/rpm-postinsts/ \`; do
> +[ -d /etc/rpm-postinsts ] && for i in `ls /etc/rpm-postinsts/`; do
>  	i=/etc/rpm-postinsts/$i
>  	echo "Running postinst $i..."
>  	if [ -f $i ] && $i ${REDIRECT_CMD}; then
> @@ -46,5 +48,8 @@ do_install() {
>  done
>  rm -f ${sysconfdir}/rcS.d/S${POSTINSTALL_INITPOSITION}run-postinsts 2>/dev/null
>  EOF
> -	chmod 0755 ${D}${sysconfdir}/rcS.d/S${POSTINSTALL_INITPOSITION}run-postinsts
> +	chmod 0755 $D${sysconfdir}/rcS.d/S${POSTINSTALL_INITPOSITION}run-postinsts
> +fi
>  }
> +
> +ALLOW_EMPTY_${PN} = "1"
> -- 
> 1.7.9.5
> 
> 
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-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa@gmail.com

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