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| Original file line number | Diff line number | Diff line change |
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@@ -8,6 +8,8 @@ ahci | |
| libahci | ||
| usb-storage | ||
| nls_iso8859-1 | ||
| # For fsck.vfat | ||
| kmod-nls-cp437 | ||
| sdhci | ||
| sdhci-pci | ||
| sdhci-acpi | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| #!/bin/sh | ||
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| # Usage: | ||
| # get-arg param-name | ||
| # | ||
| # get-arg will look for kernel parameter "param-name" or "param_name" | ||
| # and return 0 if found, 1 if not found. If the parameter as a value, | ||
| # e.g. "param-name=the-value", then the value "the-value" will be | ||
| # printed. | ||
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| # For more information on how to parse kernel parameters, see function | ||
| # `next_arg` in | ||
| # https://github.com/torvalds/linux/blob/master/lib/cmdline.c | ||
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| set -eu | ||
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| if [ "$#" -ne 1 ]; then | ||
| echo "Expected kernel parameter name as argument" 1>&2 | ||
| exit 1 | ||
| fi | ||
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| looking_for="$(echo "${1}" | sed 's/_/-/g')" | ||
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| if [ "${SYSTEMD_PROC_CMDLINE:+set}" = set ]; then | ||
| # Using same debug variable as systemd for testing | ||
| cmdline="${SYSTEMD_PROC_CMDLINE}" | ||
| else | ||
| cmdline=$(cat /proc/cmdline) | ||
| fi | ||
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| set -- | ||
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| # We cannot use ANSI-C quoting (e.g. $'\n') in busybox-initramfs | ||
| whitespaces="$(printf '\t\n\v\f\r \xA0')" | ||
| in_quote=no | ||
| param= | ||
| current="${cmdline}" | ||
| while [ -n "${current}" ]; do | ||
| # We cannot use subtring parameter expansion | ||
| # (e.g. ${cmdline:$i:1}) in busybox-initramfs | ||
| suffix="${current#?}" | ||
| char="${current%${suffix}}" | ||
| current="${suffix}" | ||
| case "${char}" in | ||
| ["${whitespaces}"]) | ||
| if [ "${in_quote}" = no ]; then | ||
| if [ -n "${param}" ]; then | ||
| set -- "$@" "${param}" | ||
| fi | ||
| param= | ||
| else | ||
| param="${param}${char}" | ||
| fi | ||
| ;; | ||
| '"') | ||
| if [ "${in_quote}" = yes ]; then | ||
| in_quote=no | ||
| else | ||
| in_quote=yes | ||
| fi | ||
| ;; | ||
| *) | ||
| param="${param}${char}" | ||
| ;; | ||
| esac | ||
| done | ||
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| if [ -n "${param}" ]; then | ||
| set -- "$@" "${param}" | ||
| fi | ||
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| for param in "$@"; do | ||
| name="$(echo "${param%%=*}" | sed 's/_/-/g')" | ||
| if [ "${name}" = "${looking_for}" ]; then | ||
| case "${param}" in | ||
| *=*) | ||
| echo "${param#*=}" | ||
| ;; | ||
| esac | ||
| exit 0 | ||
| fi | ||
| done | ||
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| exit 1 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| #!/bin/sh | ||
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| # Usage: | ||
| # get-mode entry-name /path/to/modeenv | ||
| # | ||
| # get-mode will look for entry-name in modeenv files and return 0 if | ||
| # found, 1 if not found. It will print the value to stdout. | ||
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| set -eu | ||
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| if [ "$#" -gt 2 ]; then | ||
| echo "Too many arguments" 1>&2 | ||
| exit 1 | ||
| fi | ||
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| if [ "$#" -lt 1 ]; then | ||
| echo "Expected a name as argument" 1>&2 | ||
| exit 1 | ||
| fi | ||
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| name="${1}" | ||
| modeenv="${2:-/run/mnt/ubuntu-data/system-data/var/lib/snapd/modeenv}" | ||
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| while read -r line; do | ||
| case "${line}" in | ||
| "${name}"=*) | ||
| echo "${line#*=}" | ||
| exit 0 | ||
| ;; | ||
| *) | ||
| ;; | ||
| esac | ||
| done <"${modeenv}" | ||
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| exit 1 |