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-rw-r--r--scripts/pkgdelta.sh.in28
1 files changed, 12 insertions, 16 deletions
diff --git a/scripts/pkgdelta.sh.in b/scripts/pkgdelta.sh.in
index 08835ac8..f9b40c96 100644
--- a/scripts/pkgdelta.sh.in
+++ b/scripts/pkgdelta.sh.in
@@ -72,23 +72,19 @@ isnumeric() {
[[ $1 != *[!0-9]* ]]
}
-read_pkginfo()
-{
- pkgname= pkgver= arch=
- local OLDIFS=$IFS
- # IFS (field separator) is only the newline character
- IFS="
-"
- local line var val
- for line in $(bsdtar -xOqf "$1" .PKGINFO 2>/dev/null |
- grep -v "^#" | sed 's|\(\w*\)\s*=\s*\(.*\)|\1="\2"|'); do
- eval "$line"
- if [[ -n $pkgname && -n $pkgver && -n $arch ]]; then
- IFS=$OLDIFS
- return 0
- fi
+read_pkginfo() {
+ while IFS='=' read -r field value; do
+ # skip comments and invalid lines
+ [[ $field = '#'* || -z $value ]] && continue
+
+ # skip lines which aren't fields we care about
+ [[ $field != @(pkgver|pkgname|arch) ]] || continue
+
+ declare "$field=$value"
+
+ [[ $pkgname && $pkgver && $arch ]] && return 0
done
- IFS=$OLDIFS
+
error "$(gettext "Invalid package file '%s'.")" "$1"
return 1
}