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repo-add: bashify reading of .PKGINFO file

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grep and sed aren't needed here, and this removes the truly ugly
manipulation of IFS. The process substituion could just as well be a
herestring, but it breaks vim's syntax highlighting. Style over
substance, mang.

Signed-off-by: Dave Reisner <d@falconindy.com>
This commit is contained in:
Dave Reisner 2011-06-20 15:01:23 -04:00
parent 2d32a9a3a3
commit 522c94f168
1 changed files with 9 additions and 14 deletions
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23
scripts/repo-add.sh.in
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@ -19,6 +19,8 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
shopt -s extglob
# gettext initialization
export TEXTDOMAIN='pacman-scripts'
export TEXTDOMAINDIR='@localedir@'
@ -226,19 +228,14 @@ db_write_entry() {
_groups _licenses _replaces _depends _conflicts _provides _optdepends \
md5sum sha256sum pgpsig
local OLDIFS="$IFS"
# IFS (field separator) is only the newline character
IFS="
"
# read info from the zipped package
local line var val
for line in $(bsdtar -xOqf "$pkgfile" .PKGINFO |
grep -v '^#' | sed 's|\(\w*\)\s*=\s*\(.*\)|\1 \2|'); do
# bash awesomeness here- var is always one word, val is everything else
var=${line%% *}
val=${line#* }
declare $var="$val"
while read -r line; do
[[ ${line:0:1} = '#' ]] && continue
IFS=' =' read -r var val < <(printf '%s\n' "$line")
# normalize whitespace with an extglob
declare "$var=${val//+([[:space:]])/ }"
case "$var" in
group) _groups="$_groups$group\n" ;;
license) _licenses="$_licenses$license\n" ;;
@ -248,9 +245,7 @@ db_write_entry() {
provides) _provides="$_provides$provides\n" ;;
optdepend) _optdepends="$_optdepends$optdepend\n" ;;
esac
done
IFS=$OLDIFS
done< <(bsdtar -xOqf "$pkgfile" .PKGINFO)
csize=$(@SIZECMD@ "$pkgfile")