From 525434b8a4c11271b8bf8aef8ea53251c16d8dcd Mon Sep 17 00:00:00 2001
From: Brayan Almonte <vegano1@users.noreply.github.com>
Date: Mon, 13 Jan 2025 10:52:16 -0500
Subject: [PATCH] opentrons-systemd-units: add a systemd service to clear the
 fontconfig cache. (#186)

---
 .../files/opentrons-clear-fontconfig-cache.service  |  6 ++++++
 .../files/ot-clear-fontconfig-cache                 |  5 +++++
 .../opentrons-systemd-units.bb                      | 13 ++++++++++---
 3 files changed, 21 insertions(+), 3 deletions(-)
 create mode 100644 layers/meta-opentrons/recipes-robot/opentrons-systemd-units/files/opentrons-clear-fontconfig-cache.service
 create mode 100755 layers/meta-opentrons/recipes-robot/opentrons-systemd-units/files/ot-clear-fontconfig-cache

diff --git a/layers/meta-opentrons/recipes-robot/opentrons-systemd-units/files/opentrons-clear-fontconfig-cache.service b/layers/meta-opentrons/recipes-robot/opentrons-systemd-units/files/opentrons-clear-fontconfig-cache.service
new file mode 100644
index 00000000..2d9b0e5f
--- /dev/null
+++ b/layers/meta-opentrons/recipes-robot/opentrons-systemd-units/files/opentrons-clear-fontconfig-cache.service
@@ -0,0 +1,6 @@
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/ot-clear-fontconfig-cache
+
+[Install]
+WantedBy=basic.target
diff --git a/layers/meta-opentrons/recipes-robot/opentrons-systemd-units/files/ot-clear-fontconfig-cache b/layers/meta-opentrons/recipes-robot/opentrons-systemd-units/files/ot-clear-fontconfig-cache
new file mode 100755
index 00000000..50de66f3
--- /dev/null
+++ b/layers/meta-opentrons/recipes-robot/opentrons-systemd-units/files/ot-clear-fontconfig-cache
@@ -0,0 +1,5 @@
+#!/usr/bin/env sh
+
+echo "Clear Fontconfig cache."
+rm -rf /var/cache/fontconfig/*
+fc-cache -rf
diff --git a/layers/meta-opentrons/recipes-robot/opentrons-systemd-units/opentrons-systemd-units.bb b/layers/meta-opentrons/recipes-robot/opentrons-systemd-units/opentrons-systemd-units.bb
index e1ad4b7d..c07555b8 100644
--- a/layers/meta-opentrons/recipes-robot/opentrons-systemd-units/opentrons-systemd-units.bb
+++ b/layers/meta-opentrons/recipes-robot/opentrons-systemd-units/opentrons-systemd-units.bb
@@ -8,26 +8,33 @@ FILESEXTRAPATHS:prepend = "${THISDIR}/files:"
 SRC_URI += "\
       file://var-log-journal.service \
       file://opentrons-commit-machine-id.service \
+      file://opentrons-clear-fontconfig-cache.service \
       file://ot-commit-machine-id \
+      file://ot-clear-fontconfig-cache \
       "
 
 SYSTEMD_AUTO_ENABLE = "enable"
 SYSTEMD_SERVICE:${PN} += "var-log-journal.service"
 SYSTEMD_SERVICE:${PN} += "opentrons-commit-machine-id.service"
+SYSTEMD_SERVICE:${PN} += "opentrons-clear-fontconfig-cache.service"
 SYSTEMD_PACKAGES = "${PN}"
 
 FILES:${PN} += "\
       ${systemd_system_unitdir}/var-log-journal.service \
       ${systemd_system_unitdir}/opentrons-commit-machine-id.service \
+      ${systemd_system_unitdir}/opentrons-clear-fontconfig-cache.service \
       ${bindir}/ot-commit-machine-id \
+      ${bindir}/ot-clear-fontconfig-cache \
       "
 
 do_install() {
    install -d ${D}/${systemd_system_unitdir}
-   install -m 0644 ${WORKDIR}/var-log-journal.service ${D}/${systemd_system_unitdir}/var-log-journal.service
-   install -m 0644 ${WORKDIR}/opentrons-commit-machine-id.service ${D}/${systemd_system_unitdir}/opentrons-commit-machine-id.service
+   install -m 0644 ${WORKDIR}/var-log-journal.service ${D}/${systemd_system_unitdir}/
+   install -m 0644 ${WORKDIR}/opentrons-commit-machine-id.service ${D}/${systemd_system_unitdir}/
+   install -m 0644 ${WORKDIR}/opentrons-clear-fontconfig-cache.service ${D}/${systemd_system_unitdir}/
 
    # install supporting files
    install -d ${D}/${bindir}
-   install -m 0744 ${WORKDIR}/ot-commit-machine-id ${D}/${bindir}/ot-commit-machine-id
+   install -m 0744 ${WORKDIR}/ot-commit-machine-id ${D}/${bindir}/
+   install -m 0744 ${WORKDIR}/ot-clear-fontconfig-cache ${D}/${bindir}/
 }