Inline
> On Apr 4, 2018, at 5:28 PM, Luiz Angelo Daros de Luca <luizl...@gmail.com>
> wrote:
>
> When '-k' is used, sysupgrade inserts into backup a new file
> /etc/sysupgrade.installed which contains pkgname and
> origin (rom, overlay, unknown).
>
> It's maily used to reinstall all extra packages:
>
> # opkg update
> # grep "\toverlay" etc/sysupgrade.installed | cut -f1 | xargs opkg install
> # rm etc/sysupgrade.installed
>
> Signed-off-by: Luiz Angelo Daros de Luca <luizl...@gmail.com>
> ---
> package/base-files/files/sbin/sysupgrade | 30 ++++++++++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
> diff --git a/package/base-files/files/sbin/sysupgrade
> b/package/base-files/files/sbin/sysupgrade
> index 01a942bac6..c5067a757b 100755
> --- a/package/base-files/files/sbin/sysupgrade
> +++ b/package/base-files/files/sbin/sysupgrade
> @@ -11,6 +11,7 @@ export SAVE_CONFIG=1
> export SAVE_OVERLAY=0
> export SAVE_OVERLAY_PATH=
> export SAVE_PARTITIONS=1
> +export SAVE_INSTALLED_PKGS=0
> export SKIP_UNCHANGED=0
> export CONF_IMAGE=
> export CONF_BACKUP_LIST=0
> @@ -31,6 +32,7 @@ while [ -n "$1" ]; do
> -c) export SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/etc;;
> -o) export SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/;;
> -p) export SAVE_PARTITIONS=0;;
> + -k) export SAVE_INSTALLED_PKGS=1;;
> -u) export SKIP_UNCHANGED=1;;
> -b|--create-backup) export CONF_BACKUP="$2" NEED_IMAGE=1;
> shift;;
> -r|--restore-backup) export CONF_RESTORE="$2" NEED_IMAGE=1;
> shift;;
> @@ -50,6 +52,7 @@ done
>
> export CONFFILES=/tmp/sysupgrade.conffiles
> export CONF_TAR=/tmp/sysupgrade.tgz
> +export INSTALLED_PACKAGES=/etc/sysupgrade.installed
>
> IMAGE="$1"
>
> @@ -67,6 +70,8 @@ upgrade-option:
> -u skip from backup files that are equals to those in /rom
> -n do not save configuration over reflash
> -p do not attempt to restore the partition table after flash.
> + -k include in backup a list of current installed packages at
> + $INSTALLED_PACKAGES
> -T | --test
> Verify image and config .tar.gz but do not actually flash.
> -F | --force
> @@ -203,6 +208,15 @@ fi
>
> include /lib/upgrade
>
> +targz_append() {
> + local tar="$1"
> + local append_tar="$2"
> + ( gunzip -c "$tar" | head -c -1024;
> + gunzip -c $append_tar
> + ) | gzip > $tar.new
This seems a bit fragile… Isn’t there a better way to do this?
> + mv -f $tar.new $tar
> +}
> +
> do_save_conffiles() {
> local conf_tar="$1"
>
> @@ -219,6 +233,22 @@ do_save_conffiles() {
> [ "$VERBOSE" -gt 1 ] && TAR_V="v" || TAR_V=""
> tar c${TAR_V}zf "$conf_tar" -T "$CONFFILES" 2>/dev/null
>
> + if [ "$SAVE_INSTALLED_PKGS" -eq 1 ]; then
> + mkdir -p /tmp/etc
> + cd /tmp/
> +
> + # Format: pkg-name<TAB>{rom,overlay,unkown}
> + # rom is used for pkgs in /rom, even if updated later
> + find /usr/lib/opkg/info -name "*.control" \( \
> + \( -exec test -f /rom/{} \; -exec echo {} rom \; \) -o \
> + \( -exec test -f /overlay/upper/{} \; -exec echo {}
> overlay \; \) -o \
> + \( -exec echo {} unknown \; \) \
> + \) | sed -e 's,.*/,,;s/\.control /\t/' >
> ${INSTALLED_PACKAGES:1}
> +
> + tar c${TAR_V}zf sysupgrade.installed.packages.tgz
> ${INSTALLED_PACKAGES:1}
> + targz_append "$conf_tar" sysupgrade.installed.packages.tgz
> + rm -f sysupgrade.installed.packages.tgz ${INSTALLED_PACKAGES:1}
> + fi
> rm -f "$CONFFILES"
> }
>
> --
> 2.16.3
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