From 9699ecdf11572a3cdcb34ae022320a1fd18ad129 Mon Sep 17 00:00:00 2001
From: bill-auger <mr.j.spam.me@gmail.com>
Date: Tue, 17 Oct 2017 23:05:58 -0400
Subject: add rebuild helper and qemu boot scripts

---
 .gitignore                  |  5 +++-
 configs/profile/boot-iso.sh | 22 ++++++++++++++++
 configs/profile/rebuild.sh  | 64 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 90 insertions(+), 1 deletion(-)
 create mode 100755 configs/profile/boot-iso.sh
 create mode 100755 configs/profile/rebuild.sh

diff --git a/.gitignore b/.gitignore
index c7c7494..59bd84b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,7 @@ work
 out
 
 # package caches
-configs/*/isorepo*/
+isorepo*
+
+# helpers
+continue.sh
diff --git a/configs/profile/boot-iso.sh b/configs/profile/boot-iso.sh
new file mode 100755
index 0000000..15d1123
--- /dev/null
+++ b/configs/profile/boot-iso.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+ISOS_DIR=$(dirname $0)/out
+HD_IMG=
+SSH_FWD_HOST_PORT=
+ISO="$(ls -t $ISOS_DIR/*.iso | head -n 1)"
+VIRTIO_NET_DEV="-netdev user,id=vmnic,hostfwd=tcp::$SSH_FWD_HOST_PORT-:22 \
+                -device virtio-net,netdev=vmnic"
+QEMU="qemu-system-x86_64 -enable-kvm"
+MEM="-m 1G"
+VIDEO="-vga std"
+AUDIO="-soundhw hda "
+WM_HIMTS="-display sdl -no-frame" # -show-cursor"
+[ "$ISO"               ] && CD="-cdrom $ISO -boot d"                            || CD=''
+[ "$HD_IMG"            ] && HD="-drive file=$HD_IMG,format=raw,cache=writeback" || HD=''
+[ "$SSH_FWD_HOST_PORT" ] && NET_DEV="$VIRTIO_NET_DEV"                           || NET_DEV=''
+
+
+[ ! "$ISO" ] && echo "no ISO found in ISOS_DIR: '$ISOS_DIR'" && exit
+
+CMD="$QEMU $MEM $HD $CD $NET_DEV $VIDEO $AUDIO $WM_HIMTS"
+echo "$CMD" ; $CMD ;
diff --git a/configs/profile/rebuild.sh b/configs/profile/rebuild.sh
new file mode 100755
index 0000000..3f212c6
--- /dev/null
+++ b/configs/profile/rebuild.sh
@@ -0,0 +1,64 @@
+#!/bin/bash
+
+readonly MODE='wipe'                            # total wipe of work dir preserving package cache
+# readonly MODE='rebuild'                       # full update rebuild preserving work dir
+# readonly MODE='tweak'                         # chroot customization tweaks only
+readonly TARGET='dual'                          # dual-arch                   (default)
+# readonly TARGET='i686'                        # i686 target only
+# readonly TARGET='x86_64'                      # x86_64 target only
+# readonly EDITION='OpenRC/CLI'                 # OpenRC/CLI init/WM-DE pair
+# readonly EDITION='OpenRC/LXDE'                # OpenRC/LXDE init/WM-DE pair
+readonly EDITION='SystemD/CLI'                  # SystemD/CLI init/WM-DE pair (default)
+# readonly EDITION='SystemD/LXDE'               # SystemD/LXDE init/WM-DE pair
+readonly CACHE=''                               # net-install                 (default)
+# readonly CACHE='-O'                           # offline install
+readonly VERSION="`date +%Y.%m.%d-%H.%M`-alpha" # ISO filename like: parabola-<EDITION>-<TARGET>-<VERSION>.iso
+
+
+((`id -u`)) && echo "This script must be run with root privileges." && exit
+
+# cleanup in case of previous aborted run
+while pids=$(pidof ./rebuild.sh || pidof sudo ./rebuild.sh) && pids=${pids/$PPID/} && [ "$pids" ]
+do    for pid in ${pids/$PPID/} ; do sudo kill -9 $pid ; done ; sleep 1 ;
+done
+for work_dir in "$PWD/work/i686" "$PWD/work/x86_64"
+do  declare -a mountpoints=()
+    for mnt in dev/pts dev/shm dev proc run sys tmp; do
+        mountpoint=$(findmnt --noheadings --output="TARGET" "${work_dir}/root-image/${mnt}" || true)
+        if [[ "${mountpoint}" != "" ]] ; then mountpoints=( ${mountpoints[@]} "${mountpoint}" ) ; fi ;
+    done
+    for mountpoint in ${mountpoints[@]} ; do umount "${mountpoint}" ; done ;
+done
+
+if   [ "$MODE" == 'wipe' ]
+then for arch in i686 x86_64
+     do  isorepo=./work/${arch}/root-image/isorepo
+         [ -d $isorepo -a ! -d ./isorepo-${arch} ] && mv $isorepo ./isorepo-${arch} 2> /dev/null
+     done
+
+     rm -rf ./work/ 2> /dev/null
+
+     for arch in i686 x86_64
+     do  if   [ -d ./isorepo-${arch} ] && [ "$TARGET" == 'dual' -o "$TARGET" == "${arch}" ]
+         then mkdir -p ./work/${arch}/root-image
+              mv ./isorepo-${arch}   ./work/${arch}/root-image/isorepo
+         fi
+     done
+
+elif [ "$MODE" == 'rebuild' ]
+then rm -v ./work/build.make_*
+
+elif [ "$MODE" == 'tweak' ]
+then rm work/build.make_customize_root_image_$TARGET \
+        work/build.make_prepare_$TARGET              \
+        work/build.make_iso*                         2> /dev/null
+fi
+
+
+CMD="./build.sh -v -E $EDITION -T $TARGET $CACHE -V $VERSION"
+if   ${CMD}
+then echo "success" ; rm ./continue.sh 2> /dev/null
+else echo -e "failure - continue with: ./continue.sh"
+     echo -e "#!/bin/bash\n${CMD}" > ./continue.sh
+     chmod a+x ./continue.sh
+fi
-- 
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