feat: add ublue-changelog script to ublue-motd package (#105)

That way we get some fancy changelogs on our images!! Yay!

ublue/motd/src/ublue-changelog

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+get_config() {
+	CHANGELOG_CONFIG_FILE="${changelog_CONFIG_FILE:-/etc/ublue-os/changelog.json}"
+	QUERY="$1"
+	FALLBACK="$2"
+	shift
+	shift
+	OUTPUT="$(jq -r "$QUERY" "$CHANGELOG_CONFIG_FILE" 2>/dev/null || echo "$FALLBACK")"
+	if [ "$OUTPUT" == "null" ] ; then
+		echo "$FALLBACK"
+		return
+	fi
+	echo "$OUTPUT"
+}
+
+DEFAULT_THEME="$(get_config '."default-theme"' "slate")"
+TARGET_URL="$(get_config '."target-url"' "invalid")"
+JQ_EXPRESSION="$(get_config '."jq-expression"' ".body")"
+THEMES_DIRECTORY="$(get_config '."themes-directory"' "/usr/share/ublue-os/motd/themes")"
+
+THEME=$(dconf read /org/gnome/desktop/interface/accent-color 2>/dev/null || printf '%s' "\'$DEFAULT_THEME\'")
+THEME=${THEME//\'/}
+THEME=${CHANGELOG_FORCE_THEME:-$THEME}
+
+
+curl -s "$TARGET_URL" | \
+	jq -r "$JQ_EXPRESSION" | \
+	glow -s "${THEMES_DIRECTORY}/${THEME}.json" -w 78 - $@

ublue/motd/src/ublue-motd

@@ -54,7 +54,8 @@ KEY_WARN_FILE="/run/user-motd-sbkey-warn.md"
 [ -e $KEY_WARN_FILE ] && KEY_WARN="**WARNING**: $(cat $KEY_WARN_FILE)"
 KEY_WARN_ESCAPED=$(escape "$KEY_WARN")
 
-THEME=$(gsettings get org.gnome.desktop.interface accent-color 2>/dev/null || printf '%s' "\'$DEFAULT_THEME\'")
+
+THEME=$(dconf read /org/gnome/desktop/interface/accent-color 2>/dev/null || printf '%s' "\'$DEFAULT_THEME\'")
 THEME=${THEME//\'/}
 THEME=${MOTD_FORCE_THEME:-$THEME}
 

ublue/motd/ublue-motd.spec

@@ -1,7 +1,7 @@
 %global debug_package %{nil}
 
 Name:           ublue-motd
-Version:        0.1.0
+Version:        0.2.0
 Release:        1%{?dist}
 Summary:        MOTD scripts for Universal Blue images
 
@@ -11,22 +11,26 @@ VCS:            {{{ git_dir_vcs }}}
 Source:         {{{ git_dir_pack }}}
 
 Requires:       glow
+Requires:       jq
+Requires:       curl
 
 %description
-MOTD script for Universal Blue
+MOTD and changelogs script for Universal Blue
 
 %prep
 {{{ git_dir_setup_macro }}}
 
 %install
-install -Dm0755 ./src/ublue-motd %{buildroot}%{_libexecdir}/ublue-motd
-install -dm 0755 %{buildroot}%{_datadir}/ublue-os/motd/themes
+install -dm0755 %{buildroot}%{_datadir}/ublue-os/motd/themes
 cp -rp ./src/themes/* %{buildroot}%{_datadir}/ublue-os/motd/themes
+install -Dm0755 ./src/%{name} %{buildroot}%{_libexecdir}/%{name}
+install -Dm0755 ./src/ublue-changelog %{buildroot}%{_libexecdir}/ublue-changelog
 install -Dm0755 ./src/vendor.sh %{buildroot}%{_sysconfdir}/profile.d/%{name}.sh
 install -Dm0755 ./src/vendor.fish %{buildroot}%{_datadir}/fish/vendor_conf.d/%{name}.fish
 
 %files
-%{_libexecdir}/ublue-motd
+%{_libexecdir}/%{name}
+%{_libexecdir}/ublue-changelog
 %{_datadir}/ublue-os/motd/themes/*
 %{_sysconfdir}/profile.d/%{name}.sh
 %{_datadir}/fish/vendor_conf.d/%{name}.fish