apt-zephyr: Send a “Done.” zephyr when dpkg finishes running.

[snippets/.git] / apt-zephyr / apt-zephyr

diff --git a/apt-zephyr/apt-zephyr b/apt-zephyr/apt-zephyr
index a8e50dfcf8e5a526e9aa871e44ce463097c85484..fdf13182a2abd4883c6c1d1d43960363053c565a 100755 (executable)
--- a/apt-zephyr/apt-zephyr
+++ b/apt-zephyr/apt-zephyr
@@ -49,42 +49,71 @@ package ()
     fi
 }
 
-read -r line
-case "$line" in
-    'VERSION 2')
-       while read -r line && [ -n "$line" ]; do :; done
-       while read -r package oldver cmp newver action; do
-           case "$action" in
-               '**CONFIGURE**' | '**REMOVE**')
-                   package "$package" "$oldver" "$cmp" "$newver"
-                   ;;
-               '**ERROR**')
-                   echo "ERROR on $package $newver"
-                   ;;
-           esac
-       done
-       ;;
-    'VERSION *')
-       echo "$0: unrecognized version: $line"
-       ;;
-    '')
-       ;;
-    *)
-       oldpkgs=$(mktemp -t "apt-zephyr-old.XXXXXX") || exit $?
-       newpkgs=$(mktemp -t "apt-zephyr-new.XXXXXX") || exit $?
-       (echo "$line"; cat) | xargs -r -d '\n' dpkg-deb -W | sort -o "$newpkgs"
-       cut -f 1 "$newpkgs" | xargs -r -d '\n' dpkg-query -W | \
-           sort -o "$oldpkgs"
-       join -t '       ' -j 1 -e '-' "$oldpkgs" "$newpkgs" | \
-           while IFS=' ' read -r package oldver newver; do
-           if dpkg --compare-versions "$oldver" lt "$newver"; then
-               package "$package" "$oldver" '<' "$newver"
-           elif dpkg --compare-versions "$oldver" eq "$newver"; then
-               package "$package" "$oldver" '=' "$newver"
-           else
-               package "$package" "$oldver" '>' "$newver"
-           fi
-       done
-       rm -f "$oldpkgs" "$newpkgs"
-       ;;
-esac | send_zephyr
+parse_v1 ()
+{
+    oldpkgs=$(mktemp -t "apt-zephyr-old.XXXXXX") || exit $?
+    newpkgs=$(mktemp -t "apt-zephyr-new.XXXXXX") || exit $?
+    xargs -r -d '\n' dpkg-deb -W | sort -o "$newpkgs"
+    cut -f 1 "$newpkgs" | xargs -r -d '\n' dpkg-query -W | \
+       sort -o "$oldpkgs"
+    join -t '  ' -j 1 -e '-' "$oldpkgs" "$newpkgs" | \
+       while IFS='     ' read -r package oldver newver; do
+       if dpkg --compare-versions "$oldver" lt "$newver"; then
+           package "$package" "$oldver" '<' "$newver"
+       elif dpkg --compare-versions "$oldver" eq "$newver"; then
+           package "$package" "$oldver" '=' "$newver"
+       else
+           package "$package" "$oldver" '>' "$newver"
+       fi
+    done
+    rm -f "$oldpkgs" "$newpkgs"
+}
+
+parse_v2 ()
+{
+    while read -r line && [ -n "$line" ]; do :; done
+    while read -r package oldver cmp newver action; do
+       case "$action" in
+           '**CONFIGURE**' | '**REMOVE**')
+               package "$package" "$oldver" "$cmp" "$newver"
+               ;;
+           '**ERROR**')
+               echo "ERROR on $package $newver"
+               ;;
+       esac
+    done
+}
+
+pre_install_pkgs ()
+{
+    read -r line
+    case "$line" in
+       'VERSION 2')
+           parse_v2 | send_zephyr
+           ;;
+       'VERSION *')
+           echo "$0: unrecognized version: $line" | send-zephyr
+           ;;
+       '')
+           ;;
+       *)
+           (echo "$line"; cat) | parse_v1 | send_zephyr
+           ;;
+    esac
+}
+
+post_invoke ()
+{
+    echo 'Done.' | send_zephyr
+}
+
+if [ "$1" = "--pre-install-pkgs" ]; then
+    pre_install_pkgs
+elif [ "$1" = "--post-invoke" ]; then
+    post_invoke
+else
+    echo "usage: $0 {--pre-install-pkgs | --post-invoke}" >&2
+    echo "(Hint: you probably need to update /etc/apt/apt.conf.d/90zephyr.)" >&2
+fi
+
+exit 0