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e1c982e4db
This removes grub and all the loopback device business from the default build process. Running grub takes about a second, and it turns out it's inconsistently packaged in different distributions, which has led to at least one confusing issue so far (grub-install vs grub2-install). Removing it from the basic path will make it easier for people to try Serenity out. There are now two scripts that can be used to build a disk image: 1. `build-image-grub.sh` - this will build an image suitable for writing to the IDE hard drive of a physical machine, complete with a partition table and bootloader. This can be run in qemu with the `qgrub` target for the `run` script. 2. `build-image-qemu.sh` - this is a simpler script which creates a bare filesystem image rather than a full MBR disk. Both of these call out to `build-root-filesystem.sh` to do most of the work setting up... the root filesystem. For completeness' sake, I've retained the `sync.sh` script as a simple forwarding to `build-image-qemu.sh`. This relies on the functionality from #194 and #195. #195 allows us to use `/dev/hda` as the root device when nothing else is specified, and #194 works around a strange feature of qemu that appends a space to the kernel command line.
39 lines
807 B
Bash
Executable File
39 lines
807 B
Bash
Executable File
#!/bin/bash
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set -e
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die() {
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echo "die: $@"
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exit 1
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}
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if [ $(id -u) != 0 ]; then
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die "this script needs to run as root"
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fi
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echo "setting up disk image..."
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qemu-img create _disk_image ${DISK_SIZE:-500}m || die "couldn't create disk image"
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chown 1000:1000 _disk_image || die "couldn't adjust permissions on disk image"
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echo "done"
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echo -n "creating new filesystem... "
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mke2fs -q -I 128 _disk_image || die "couldn't create filesystem"
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echo "done"
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echo -n "mounting filesystem... "
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mkdir -p mnt
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mount _disk_image mnt/ || die "couldn't mount filesystem"
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echo "done"
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cleanup() {
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if [ -d mnt ]; then
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echo -n "unmounting filesystem... "
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umount mnt || ( sleep 1 && sync && umount mnt )
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rm -rf mnt
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echo "done"
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fi
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}
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trap cleanup EXIT
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./build-root-filesystem.sh
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