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| author | Dave Reisner <dreisner@archlinux.org> | 2011-08-01 05:24:18 +0200 |
|---|---|---|
| committer | Dave Reisner <dreisner@archlinux.org> | 2011-10-22 17:16:21 +0200 |
| commit | e1538a039e4d17e246b47626b6f1f139f01d311e (patch) | |
| tree | 8376f79a20e7f3500b7c04ecc2b47bc50cd00cd3 /init_functions | |
| parent | b6554601442b00ddb67343a693718902ce7cd816 (diff) | |
| download | mkinitcpio-e1538a039e4d17e246b47626b6f1f139f01d311e.tar.gz mkinitcpio-e1538a039e4d17e246b47626b6f1f139f01d311e.tar.xz | |
init_functions: replace grep/sed with PEs
Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Diffstat (limited to 'init_functions')
| -rw-r--r-- | init_functions | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/init_functions b/init_functions index f235456..a2b9d2a 100644 --- a/init_functions +++ b/init_functions @@ -42,10 +42,11 @@ parse_cmdline() { single) ;; rw|ro) rwopt="$w" ;; # only export stuff that does work with ash :) - *=*) rhs="$(echo "${w}" | cut -d= -f2-)" - lhs="$(echo "${w}" | cut -d= -f1 | sed 's|\.|_|g;s|-|_|g;')" - if [ "\"" = "${rhs:0:1}" ]; then - if [ "\"" = "${rhs:$((${#rhs}-1))}" ]; then + *=*) rhs=${w#*=} + lhs=${w%%=*} + lhs=${lhs//[-.]/_} + if [ '"' = "${rhs:0:1}" ]; then + if [ "${rhs:$((${#rhs}-1))}" = '"' ]; then rhs="${rhs:1:$((${#rhs}-2))}" else rhs="${rhs:1}" @@ -53,17 +54,17 @@ parse_cmdline() { continue fi fi - (echo "${lhs}" | grep -qe '^[0-9]' -e '[^a-zA-Z0-9_]') || eval ${lhs}=\${rhs} + [ "$lhs" = "${lhs//[^0-9a-zA-Z]}" ] && [ "$lhs" = "${lhs#[0-9]}" ] && eval ${lhs}=\${rhs} ;; - *) lhs="$(echo "${w}" | sed 's|\.|_|g;s|-|_|g;')" - (echo "${lhs}" | grep -qe '^[0-9]' -e '[^a-zA-Z0-9_]') || eval ${lhs}=y + *) lhs=${w//[-.]/_} + [ "$lhs" = "${lhs//[^0-9a-zA-Z]}" ] && [ "$lhs" = "${lhs#[0-9]}" ] && eval ${lhs}=y ;; esac else - if [ "\"" = "${w:$((${#w}-1))}" ]; then - rhs="${rhs} ${w:0:$((${#w}-1))}" + if [ '"' = "${w:$((${#w}-1))}" ]; then + rhs="${rhs} ${w%\"}" in_quotes=0 - (echo "${lhs}" | grep -qe '^[0-9]' -e '[^a-zA-Z0-9_]') || eval ${lhs}=\${rhs} + [ "$lhs" = "${lhs//[^0-9a-zA-Z]}" ] && [ "$lhs" = "${lhs#[0-9]}" ] && eval ${lhs}=\${rhs} else rhs="${rhs} ${w}" fi @@ -92,12 +93,12 @@ default_mount_handler() { break fi # It might be a major/minor pair (8:1) - elif echo ${root} | grep -q :; then + elif [ "$root" != "${root/:}" ]; then major="$(echo ${root} | cut -d: -f1)" minor="$(echo ${root} | cut -d: -f2)" root="/dev/root" # It might be major/minor encoded as a single hex-number (lilo-style) (801) - elif [ ${#root} -le 4 -a ${#root} -gt 2 ] && echo "${root}" | grep -qe '^[A-Fa-f0-9]*$'; then + elif [ ${#root} -le 4 -a ${#root} -gt 2 -a -z "${root//[0-9a-fA-F]}" ]; then str_offset=$((${#root}-2)) major=$((0x${root:0:${str_offset}})) minor=$((0x${root:${str_offset}})) |