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author | Tilo Spannagel <development@tilosp.de> | 2017-04-17 22:49:53 +0200 |
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committer | Tilo Spannagel <development@tilosp.de> | 2017-04-17 22:49:53 +0200 |
commit | 8f2bc6bec71b16833c4b6570a6c607aec63593b1 (patch) | |
tree | 31518d6d7f26a9e7cc119fbab80c0db956a990c8 /docker-entrypoint.sh | |
parent | db148abc5a5804ad82f214cb6e64950c5816639f (diff) |
add version comparison
Diffstat (limited to 'docker-entrypoint.sh')
-rwxr-xr-x | docker-entrypoint.sh | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh index 62d16254..3dc4a327 100755 --- a/docker-entrypoint.sh +++ b/docker-entrypoint.sh @@ -1,7 +1,23 @@ #!/bin/bash set -e -if [ ! -e '/var/www/html/version.php' ]; then +# version_greater A B returns whether A > B +function version_greater() { + [[ "$(printf '%s\n' "$@" | sort -V | head -n 1)" != "$1" ]]; +} + +installed_version="0.0.0~unknown" +if [ -f /var/www/html/version.php ]; then + installed_version=$(php -r 'require "/var/www/html/version.php"; echo "$OC_VersionString";') +fi +image_version=$(php -r 'require "/usr/src/nextcloud/version.php"; echo "$OC_VersionString";') + +if version_greater "$installed_version" "$image_version"; then + echo "Downgrade not supported" + exit 1 +fi + +if version_greater "$image_version" "$installed_version"; then tar cf - --one-file-system -C /usr/src/nextcloud . | tar xf - chown -R www-data /var/www/html fi |