From cc171c3917d410d4ca95bf305a9f247378fdbb2f Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Thu, 1 Jun 2023 18:11:20 -0400
Subject: automatic apache configuration of fossil reverse proxy for virtual
 host of local hostname

---
 Makefile                           |  3 ++-
 src/fossil-disable-apache@.service |  9 +++++++++
 src/fossil-enable-apache@.service  | 14 ++++++++++++++
 src/fossil.conf~template           | 10 ++++++++++
 src/user/fossil-httpd@.service     |  2 +-
 5 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 src/fossil-disable-apache@.service
 create mode 100644 src/fossil-enable-apache@.service
 create mode 100644 src/fossil.conf~template

diff --git a/Makefile b/Makefile
index da5a2bf..def9421 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-systemctl_start_units = fossil-user.socket
+systemctl_start_units = fossil-user.socket fossil-enable-apache@-.service
 systemctl_user_start_units = fossil-httpd.socket
 
 ifneq (0,$(shell id -u))
@@ -56,6 +56,7 @@ SSH_USERNAME != if [ "$$SUDO_USER" ]; then echo "$$SUDO_USER"; else id -u; fi
 default: install start follow
 install:
 	install -t "$(bindir)" -- $(executables)
+	install -m644 -t /etc/apache2/sites-available -- src/fossil.conf~template
 	install -t /etc/ssh/ -- src/AuthorizedKeysCommand
 	install -T -- src/AnonymousForceCommand /etc/ssh/user-"$(SSH_USERNAME)".AnonymousForceCommand
 	install -m644 -t /etc/ssh/sshd_config.d -- src/fossil-user.conf
diff --git a/src/fossil-disable-apache@.service b/src/fossil-disable-apache@.service
new file mode 100644
index 0000000..4d763e0
--- /dev/null
+++ b/src/fossil-disable-apache@.service
@@ -0,0 +1,9 @@
+[Unit]
+Description = Disable and clean up apache site
+
+[Service]
+Type = oneshot
+ExecStart = sh -xc 'rm -f \
+/etc/apache2/sites-available/fossil-%H.conf \
+/etc/apache2/sites-enabled/fossil-%H.conf'
+ExecStart = systemctl reload apache2
diff --git a/src/fossil-enable-apache@.service b/src/fossil-enable-apache@.service
new file mode 100644
index 0000000..d90a36f
--- /dev/null
+++ b/src/fossil-enable-apache@.service
@@ -0,0 +1,14 @@
+[Unit]
+Description = Create and enable apache2 site
+ConditionPathExists = /etc/apache2/sites-available/fossil.conf~template
+ConditionPathExists = !/etc/apache2/sites-available/fossil-%H.conf
+
+[Service]
+Type = oneshot
+ExecStart = sh -c '\
+sed -e s/%[H]/%H/ \
+< /etc/apache2/sites-available/fossil.conf~template \
+> /etc/apache2/sites-available/fossil-%H.conf \
+'
+ExecStart = a2ensite fossil-%H
+ExecStart = systemctl reload apache2
diff --git a/src/fossil.conf~template b/src/fossil.conf~template
new file mode 100644
index 0000000..797f5e2
--- /dev/null
+++ b/src/fossil.conf~template
@@ -0,0 +1,10 @@
+<VirtualHost *:80>
+        ServerName %H
+        ServerAdmin webmaster@%H
+        ErrorLog ${APACHE_LOG_DIR}/error.log
+        CustomLog ${APACHE_LOG_DIR}/access.log combined
+        DocumentRoot /var/www/html
+        ProxyPreserveHost on
+        ProxyPass / http://localhost:8079/
+        ProxyPassReverse / http://localhost:8079/
+</VirtualHost>
diff --git a/src/user/fossil-httpd@.service b/src/user/fossil-httpd@.service
index eccc17c..9c4aec5 100644
--- a/src/user/fossil-httpd@.service
+++ b/src/user/fossil-httpd@.service
@@ -4,4 +4,4 @@ ConditionUser = !root
 
 [Service]
 StandardInput = socket
-ExecStart = fossil http --repolist --nossl --host=localhost:8079 --localauth ${HOME}/src/
+ExecStart = fossil http --repolist --nossl --host=%H --localauth ${HOME}/src/
-- 
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