contrib/paclog-pkglist: rework as bash wrapping awk

Avoid some pain in awk's limited handling of command line arguments by
wrapping this in a Bash script. We also default to
@localstatedir@/log/pacman.log when no args are specified, meaning that
-h or --help is required to get the help message.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Dan McGee <dan@archlinux.org>

contrib/Makefile.am

@@ -2,6 +2,7 @@ OURSCRIPTS = \
 	bacman \
 	pacdiff \
 	paclist \
+	paclog-pkglist \
 	pacscripts \
 	pacsearch
 
@@ -13,7 +14,7 @@ EXTRA_DIST = \
 	PKGBUILD.vim \
 	bacman.in \
 	bash_completion.in \
-	paclog-pkglist \
+	paclog-pkglist.in \
 	pacdiff.in \
 	paclist.in \
 	pacscripts.in \
@@ -51,6 +52,7 @@ bacman: $(srcdir)/bacman.in
 bash_completion: $(srcdir)/bash_completion.in
 pacdiff: $(srcdir)/pacdiff.in
 paclist: $(srcdir)/paclist.in
+paclog-pkglist: $(srcdir)/paclog-pkglist.in
 pacscripts: $(srcdir)/pacscripts.in
 pacsearch: $(srcdir)/pacsearch.in
 pactree: $(srcdir)/pactree.in

contrib/paclog-pkglist.in

@@ -1,4 +1,4 @@
-#!/bin/awk -f
+#!/bin/bash
 #
 # paclog-pkglist - Parse a log file into a list of currently installed packages
 #
@@ -17,14 +17,23 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-BEGIN {
-  if (ARGC < 2) {
-    printf "usage:   log2pkglist <pacman log>\n"
-    printf "example: log2pkglist /var/log/pacman.log\n"
-    exit
-  }
-}
+export TEXTDOMAIN='pacman'
+export TEXTDOMAINDIR='/usr/share/locale'
+declare logfile=${1:-@localstatedir@/log/pacman.log}
 
+if [[ $1 ]]; then
+  if [[ $1 = -@(h|-help) ]]; then
+    printf 'usage:   %s [pacman log]\n' "${0##*/}"
+    printf 'example: %s @localstatedir@/log/pacman.log\n' "${0##*/}"
+    printf '\ndefaults to: @localstatedir@/log/pacman.log\n'
+    exit 0
+  elif [[ ! -e $logfile ]]; then
+    printf $"target not found: %s\n" "$1"
+    exit 1
+  fi
+fi
+
+<"$logfile" awk '
 {
   action  = $3
   pkgname = $4
@@ -54,4 +63,6 @@ END {
       printf "%s %s\n",i,pkg[i]
     }
   }
-}
+}' | sort
+
+# vim: set ts=2 sw=2 noet: