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-rwxr-xr-xonce/get_updates.sh33
1 files changed, 29 insertions, 4 deletions
diff --git a/once/get_updates.sh b/once/get_updates.sh
index a51fc9a..08ce281 100755
--- a/once/get_updates.sh
+++ b/once/get_updates.sh
@@ -100,12 +100,37 @@ for tarball in ${mb_tarballs:-}; do
printf 'checking local status of %s...\n' $tarball >&3
if ! [ -f /updates/$tarball ]; then
- printf '\t/updates/%s does not exist, download needed.\n' $tarball >&3
+ if [ -f /tarballs/$tarball ]; then
+ if ! [ -f /tarballs/$tarball.sha256 ]; then
+ sha256sum /tarballs/$tarball > /tarballs/$tarball.sha256
+ fi
+
+ mb_remotesig=$(grep $tarball /updates/updates.sha256 | cut -d' ' -f1)
+ mb_localsig=$(cat /tarballs/$tarball.sha256 | cut -d' ' -f1)
+
+ printf '\tremote signature: %s\n' $mb_remotesig >&3
+ printf '\tcached signature: %s\n' $mb_localsig >&3
- if [ $mb_obtain = no ]; then
- update_needed
+ if [ $mb_localsig != $mb_remotesig ]; then
+ printf '\tsignatures do not match, download needed.\n' >&3
+
+ if [ $mb_obtain = no ]; then
+ update_needed
+ else
+ mb_needed=yes
+ fi
+ else
+ printf '\tsignatures match, installed tarball is already up-to-date.\n' >&3
+ mb_needed=no
+ fi
else
- mb_needed=yes
+ printf '\t/updates/%s does not exist, download needed.\n' $tarball >&3
+
+ if [ $mb_obtain = no ]; then
+ update_needed
+ else
+ mb_needed=yes
+ fi
fi
else
printf '\t/updates/%s found, checking signatures...\n' $tarball >&3