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added root check back in, but check that we aren't root

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changed how mtools accesses images, should functionally be the same.
This commit is contained in:
Elaina Claus
2025-09-04 12:29:57 -04:00
parent 930d49c353
commit a618a837d4
1 changed files with 12 additions and 1 deletions
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13
scripts/create-disk.sh
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@@ -16,6 +16,11 @@ set -euo pipefail
# You should have received a copy of the GNU General Public License # You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>. # along with this program. If not, see <https://www.gnu.org/licenses/>.
if [ $(id -u) = 0 ]; then
echo "Script should not be run as root, it could break something! Exiting!" >&2
exit 1
fi
# paths to bootcode # paths to bootcode
mbr_file=build/mbr.bin mbr_file=build/mbr.bin
vbr_file=build/vbr.bin vbr_file=build/vbr.bin
@@ -70,6 +75,11 @@ label-id: 0xa0b0c0d0
start=$part_start, size=$((disk_sectors - part_start)), type=c, bootable start=$part_start, size=$((disk_sectors - part_start)), type=c, bootable
EOF EOF
mtool_src=/tmp/mtools.conf
cat > $mtool_src <<EOF
drive c: file="$part_img"
EOF
# #
# Create disk images # Create disk images
# #
@@ -133,7 +143,8 @@ if [[ "$OSTYPE" == "linux-gnu"* ]]; then
dd if="$part_img" of="$part_img" bs=$disk_sector_size count=1 seek=6 conv=notrunc dd if="$part_img" of="$part_img" bs=$disk_sector_size count=1 seek=6 conv=notrunc
echo "[5/7] Copy boot payload to FAT32 filesystem using mtools as BOOT.BIN" echo "[5/7] Copy boot payload to FAT32 filesystem using mtools as BOOT.BIN"
mcopy -i "$part_img" "$boottest_file" ::/BOOT.BIN MTOOLSRC="$mtool_src" mcopy "$boottest_file" C:BOOT.BIN
MTOOLSRC="$mtool_src" mdir C:
echo "[6/7] Patch MBR and install stage2 loader to disk image" echo "[6/7] Patch MBR and install stage2 loader to disk image"
# patch MBR+signature while preserving partition table # patch MBR+signature while preserving partition table