archives/mastodon: new aport

archives/mastodon/mastodon.pre-install

@@ -0,0 +1,54 @@
+#!/bin/sh
+# It's very important to set user/group correctly.
+
+mastodon_dir='/var/lib/mastodon'
+
+if ! getent group mastodon 1>/dev/null; then
+	echo '* Creating group mastodon' 1>&2
+
+	addgroup -S mastodon
+fi
+
+if ! id mastodon 2>/dev/null 1>&2; then
+	echo '* Creating user mastodon' 1>&2
+
+	adduser -DHS -G mastodon -h "$mastodon_dir" -s /bin/sh  \
+		-g "added by apk for mastodon" mastodon
+	passwd -u mastodon 1>/dev/null  # unlock
+fi
+
+if ! id -Gn mastodon | grep -Fq redis; then
+	echo '* Adding user mastodon to group redis' 1>&2
+
+	addgroup mastodon redis
+fi
+
+if [ "$(id -gn mastodon)" != 'mastodon' ]; then
+	cat >&2 <<-EOF
+	!!
+	!! User mastodon has primary group $(id -gn mastodon). We strongly recommend to change
+	!! mastodon's primary group to mastodon.
+	!!
+	EOF
+
+	# Add it at least as a supplementary group.
+	adduser mastodon mastodon
+fi
+
+user_home="$(getent passwd mastodon | cut -d: -f6)"
+
+if [ "$user_home" != "$mastodon_dir" ]; then
+	cat >&2 <<-EOF
+	!!
+	!! User mastodon has home directory in $user_home, but this package assumes
+	!! $mastodon_dir. Although it's possible to use a different directory,
+	!! it's really not easy.
+	!!
+	!! Please change mastodon's home directory to $mastodon_dir, or adjust settings
+	!! and move files yourself. Otherwise Mastodon will not work!
+	!!
+	EOF
+fi
+
+exit 0
+