diff options
Diffstat (limited to 'bash-completion')
| -rw-r--r-- | bash-completion | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/bash-completion b/bash-completion index aa6efbb..597eab2 100644 --- a/bash-completion +++ b/bash-completion @@ -1,6 +1,14 @@ #!/bin/bash # mkinitcpio bash completion by Seblu <seblu@seblu.net> +detect_kver() { + local kver_validator='^[[:digit:]]+(\.[[:digit:]]+)+' + offset=$(hexdump -s 526 -n 2 -e '"%0d"' "$1" 2>/dev/null) || return 1 + read kver _ < \ + <(dd if="$1" bs=1 count=127 skip=$(( offset + 0x200 )) 2>/dev/null) + [[ $kver =~ $kver_validator ]] && printf "$kver" +} + _lsinitcpio() { local cur opts opts=(-a --analyze -c --config -h --help -l --list @@ -18,14 +26,14 @@ _lsinitcpio() { _find_kernel_versions() { local -a matches - local dir regex - - # add completions from kernels in /boot - regex="Linux kernel.*version" - while IFS=':' read -r file metadata; do - [[ $metadata =~ $regex ]] || continue - matches+=("$file") - done < <(file -e ascii /boot/*) + local dir f + + for f in /boot/*; do + # only match regular files which pass validation + if [[ ! -L $f && -f $f ]] && kver=$(detect_kver "$f"); then + matches+=("$f") + fi + done # add completions based on kernel versions in /lib/modules for dir in /lib/modules/*/kernel; do |