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Make auto update more forgiving

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plexupdate.sh should not fail because autoupdate cannot proceed.
This commit is contained in:
Henric Andersson 2017-02-16 19:32:52 -08:00
parent 6093805856
commit 9b0ec5de9d
1 changed files with 38 additions and 42 deletions
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80
plexupdate.sh
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@ -340,55 +340,51 @@ if [ "${AUTOUPDATE}" = "yes" ]; then
pushd "$(dirname "$0")" >/dev/null pushd "$(dirname "$0")" >/dev/null
if [ ! -d .git ]; then if [ ! -d .git ]; then
error "This is not a git repository. Auto-update only works if you've done a git clone" warn "This is not a git repository. Auto-update only works if you've done a git clone"
exit 1 elif ! git diff --quiet; then
fi warn "You have made changes to the plexupdate files, cannot auto update"
else
# Force FETCH_HEAD to point to the correct branch (for older versions of git which don't default to current branch)
if git fetch origin $BRANCHNAME --quiet && ! git diff --quiet FETCH_HEAD; then
info "Auto-updating..."
if ! git diff --quiet; then # Use an associative array to store permissions. If you're running bash < 4, the declare will fail and we'll
error "You have made changes to the plexupdate files, cannot auto update" # just run in "dumb" mode without trying to restore permissions
exit 1 declare -A FILE_OWNER FILE_PERMS && \
fi
# Force FETCH_HEAD to point to the correct branch (for older versions of git which don't default to current branch)
if git fetch origin $BRANCHNAME --quiet && ! git diff --quiet FETCH_HEAD; then
info "Auto-updating..."
# Use an associative array to store permissions. If you're running bash < 4, the declare will fail and we'll
# just run in "dumb" mode without trying to restore permissions
declare -A FILE_OWNER FILE_PERMS && \
for filename in $PLEXUPDATE_FILES; do
FILE_OWNER[$filename]=$(stat -c "%u:%g" "$filename")
FILE_PERMS[$filename]=$(stat -c "%a" "$filename")
done
if ! git merge --quiet FETCH_HEAD; then
error 'Unable to update git, try running "git pull" manually to see what is wrong'
exit 1
fi
if [ ${#FILE_OWNER[@]} -gt 0 ]; then
for filename in $PLEXUPDATE_FILES; do for filename in $PLEXUPDATE_FILES; do
chown ${FILE_OWNER[$filename]} $filename &> /dev/null || error "Failed to restore ownership for '$filename' after auto-update" FILE_OWNER[$filename]=$(stat -c "%u:%g" "$filename")
chmod ${FILE_PERMS[$filename]} $filename &> /dev/null || error "Failed to restore permissions for '$filename' after auto-update" FILE_PERMS[$filename]=$(stat -c "%a" "$filename")
done done
fi
# .git permissions don't seem to be affected by running as root even though files inside do, so just reset if ! git merge --quiet FETCH_HEAD; then
# the permissions to match the folder error 'Unable to update git, try running "git pull" manually to see what is wrong'
chown -R --reference=.git .git exit 1
fi
info "Update complete" if [ ${#FILE_OWNER[@]} -gt 0 ]; then
for filename in $PLEXUPDATE_FILES; do
chown ${FILE_OWNER[$filename]} $filename &> /dev/null || error "Failed to restore ownership for '$filename' after auto-update"
chmod ${FILE_PERMS[$filename]} $filename &> /dev/null || error "Failed to restore permissions for '$filename' after auto-update"
done
fi
#make sure we're back in the right relative location before testing $0 # .git permissions don't seem to be affected by running as root even though files inside do, so just reset
popd >/dev/null # the permissions to match the folder
chown -R --reference=.git .git
if [ ! -f "$0" ]; then info "Update complete"
error "Unable to relaunch, couldn't find $0"
exit 1 #make sure we're back in the right relative location before testing $0
else popd >/dev/null
[ -x "$0" ] || chmod 755 "$0"
"$0" ${ALLARGS[@]} if [ ! -f "$0" ]; then
exit $? error "Unable to relaunch, couldn't find $0"
exit 1
else
[ -x "$0" ] || chmod 755 "$0"
"$0" ${ALLARGS[@]}
exit $?
fi
fi fi
fi fi