44 lines
832 B
Bash
Executable file
44 lines
832 B
Bash
Executable file
#!/usr/bin/env bash
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flash_sd () {
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img_file=$1
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sd_card=$2
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echo "Flashing $img_file to $sd_card ..."
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xzcat --stdout $img_file | dd of=$sd_card status=progress
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}
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enlarge_partition () {
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device=$1
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partnr=2
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echo "Resize main partition"
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sfdisk --backup $device -N $partnr << EOF
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,+
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print
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EOF
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echo "Resize filesystem"
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e2fsck -f "$device"p$partnr
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resize2fs -p "$device"p$partnr
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}
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mount_temporary () {
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partnr=$1
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temp_mnt_point=$(mktemp -d)
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mount "$SD_CARD"p"$partnr" $temp_mnt_point
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echo $temp_mnt_point
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}
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unmount_temporary () {
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handle=$1
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umount $1
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rmdir $1
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}
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read -e -p "Compressed Image file: " IMG_FILE
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read -e -p "SD Card: " SD_CARD
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flash_sd "$IMG_FILE" "$SD_CARD"
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enlarge_partition "$SD_CARD"
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mnt_handle=$(mount_temporary "1")
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unmount_temporary $mnt_handle
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