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Make auto-update not enter infinte update loops

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This commit is contained in:
Alex Malinovich 2016-11-29 19:26:37 -08:00
commit 36559df390
1 changed files with 31 additions and 25 deletions
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56
plexupdate.sh
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@ -120,9 +120,9 @@ usage() {
echo " -P Show progressbar when downloading big files" echo " -P Show progressbar when downloading big files"
echo " -r Print download URL and exit" echo " -r Print download URL and exit"
echo " -s Auto start (needed for some distros)" echo " -s Auto start (needed for some distros)"
echo " -u Auto update plexupdate.sh before running it (experimental)" echo " -u Auto update plexupdate.sh before running it (default with installer)"
echo " -U Do not autoupdate plexupdate.sh (experimental, default)" echo " -U Do not autoupdate plexupdate.sh"
echo " -v Show additional debug information (cannot be saved or set via config)" echo " -v Show additional debug information"
echo "" echo ""
echo " Long Argument Options:" echo " Long Argument Options:"
echo " --config <path/to/config/file> Configuration file to use" echo " --config <path/to/config/file> Configuration file to use"
@ -308,40 +308,47 @@ if [ ! -z "${RELEASE}" ]; then
fi fi
if [ "${AUTOUPDATE}" = "yes" ]; then if [ "${AUTOUPDATE}" = "yes" ]; then
GIT_UPDATED=no
if ! hash git 2>/dev/null; then if ! hash git 2>/dev/null; then
error "You need to have git installed for this to work" error "You need to have git installed for this to work"
exit 1 exit 1
fi fi
pushd "$(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" error "This is not a git repository. Auto-update only works if you've done a git clone"
exit 1 exit 1
fi fi
git status | grep "git commit -a" >/dev/null 2>/dev/null
if [ $? -eq 0 ]; then if git diff --quiet; then
error "You have made changes to the script, cannot auto update" error "You have made changes to the plexupdate files, cannot auto update"
exit 1 exit 1
fi fi
info "Auto updating"
git pull >/dev/null if git fetch --quiet && git diff --quiet FETCH_HEAD; then
if [ $? -ne 0 ]; then info "Auto-updating..."
error 'Unable to update git, try running "git pull" manually to see what is wrong' if ! git merge --quiet FETCH_HEAD; then
exit 1 error 'Unable to update git, try running "git pull" manually to see what is wrong'
exit 1
else
info "Update complete"
GIT_UPDATED=yes
fi
fi fi
info "Update complete"
popd >/dev/null popd >/dev/null
if ! type "$0" 2>/dev/null >/dev/null ; then if [ ! -f "$0" ]; then
if [ -f "$0" ]; then error "Unable to relaunch, couldn't find $0"
/bin/bash "$0" -U ${ALLARGS[@]} exit 1
else elif [ "${GIT_UPDATED}" = "yes" ]; then
error "Unable to relaunch, couldn't find $0" [ -x "$0" ] || chmod 755 "$0"
exit 1 "$0" ${ALLARGS[@]}
fi exit $?
else #else we now return you to your regularly scheduled programming
"$0" -U ${ALLARGS[@]}
fi fi
exit $?
fi fi
# Sanity check # Sanity check
@ -355,8 +362,7 @@ fi
if [ "${AUTOINSTALL}" = "yes" -o "${AUTOSTART}" = "yes" ]; then if [ "${AUTOINSTALL}" = "yes" -o "${AUTOSTART}" = "yes" ]; then
id | grep -i 'uid=0(' 2>&1 >/dev/null if [ ${EUID} -ne 0 ]; then
if [ $? -ne 0 ]; then
error "You need to be root to use AUTOINSTALL/AUTOSTART option." error "You need to be root to use AUTOINSTALL/AUTOSTART option."
exit 1 exit 1
fi fi