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fix bug where docker-entrypoint.sh exits w/o notice

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This commit fixes a nasty bug, where the docker-entrypoint.sh silently
exits without any error message. The test for a lock file can fail and
due to the `set -e` at the beginning of the file the bash script exists
without starting the paperless application.
It is fixed by moving the check for the existence of the lock file into
the if statement, where the `set -e` does not trigger an exit in case
the statement fails.

Additionally this commit enables the script to trap exit signals and in
that case deletes the lock file.
This commit is contained in:
Sven Fischer 2018-05-15 19:34:21 +02:00
parent 82f9dde055
commit a752a4a91a
1 changed files with 2 additions and 3 deletions
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5
scripts/docker-entrypoint.sh
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@ -46,11 +46,10 @@ migrations() {
# A simple lock file in case other containers use this startup
LOCKFILE="/usr/src/paperless/data/db.sqlite3.migration"
set -o noclobber
# check for and create lock file in one command
(> ${LOCKFILE}) &> /dev/null
if [ $? -eq 0 ]
if (set -o noclobber; echo "$$" > "${LOCKFILE}") 2> /dev/null
then
trap 'rm -f "${LOCKFILE}"; exit $?' INT TERM EXIT
sudo -HEu paperless "/usr/src/paperless/src/manage.py" "migrate"
rm ${LOCKFILE}
fi