pub / theme-switchers

commit c4d97ec06afb0c3d541ede5fbd867f69df2c3629
Author: JayVii <jayvii[AT]posteo[DOT]de>
Date:   Sun, 12 Oct 2025 22:02:59 +0200

feat: add theme switchers for gnome and helix

Diffstat:
A
auto-themes.sh
 | 
14
++++++++++++++
A
gnome-switch-theme.sh
 | 
27
+++++++++++++++++++++++++++
A
helix-switch-theme.sh
 | 
71
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
A
switch-themes.sh
 | 
19
+++++++++++++++++++

4 files changed, 131 insertions(+), 0 deletions(-)
diff --git a/auto-themes.sh b/auto-themes.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+# exit on error
+set -e
+
+# change directory
+cd $(dirname -- "${BASH_SOURCE[0]}")
+
+currenttime=$(date +%H:%M)
+if [[ "$currenttime" > "17:00" || "$currenttime" < "09:00" ]]; then
+  ./switch-themes.sh "dark"
+else
+  ./switch-themes.sh "light"
+fi
diff --git a/gnome-switch-theme.sh b/gnome-switch-theme.sh
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+# exit on error
+set -eo pipefail
+
+# check whether input was given
+if [ -z $1 ]; then
+  # get current GTK theme
+  target=$(gsettings get org.gnome.desktop.interface color-scheme)
+else
+  target="$1"
+fi
+
+# If we want a dark theme, but the current theme is not, switch theme to dark
+if [[ "$target" == "'prefer-light'" ]] || [[ "$target" == "dark" ]]; then
+  gsettings set org.gnome.desktop.interface color-scheme "prefer-dark"
+  echo "[✓] Switched gnome to dark!"
+
+# If we want a light theme, but the current theme is not, switch theme to light
+elif [[ "$target" == "'prefer-dark'" ]] || [[ "$target" == "light" ]]; then
+  gsettings set org.gnome.desktop.interface color-scheme "prefer-light"
+  echo "[✓] Switched gnome to light!"
+
+else
+  echo "[-] Did not switch theme: $sys_theme"
+
+fi
diff --git a/helix-switch-theme.sh b/helix-switch-theme.sh
@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+
+# exit on error
+set -eo pipefail
+
+# configuration
+config_dir="$HOME/.config/helix"
+config="$config_dir/config.toml"
+config_theme="$config_dir/autothemes.toml"
+
+# gather dark and light themes from config file
+if [ -f "$config_theme" ]; then
+  dark_theme=$(
+    grep -e "^\s*theme_dark" "$config_theme" | \
+      sed -E -e 's/^\s*theme_dark\s*=\s*\"([^"]+)\".*$/\1/'
+  )
+  light_theme=$(
+    grep -e "^\s*theme_light" "$config_theme" | \
+      sed -E -e 's/^\s*theme_light\s*=\s*\"([^"]+)\".*$/\1/'
+  )
+else
+  echo "
+    Config file $config_theme does not exist. Please create the file, e.g.:
+    
+    theme_dark = \"adwaita-dark\"
+    theme_light = \"adwaita-light\"
+  "
+  exit 1
+fi
+
+# functions
+function get_theme {
+  set +e
+  grep -c -e "^\s*theme\s*=\s*\"${1}\"" ${config}
+  set -e
+}
+function set_theme {
+  sed -E -e "s/^\s*(theme\s*=\s*)\"[^\"]+\"/\1\"${1}\"/" -i ${config}
+}
+
+# check whether helix currently uses the dark theme
+is_dark=$(get_theme "${dark_theme}")
+is_light=$(get_theme "${light_theme}")
+
+# check whether input was given
+if [ -z $1 ]; then
+  if [[ $is_dark != 0 ]]; then
+    target="light"
+  else
+    target="dark"
+  fi
+else
+  target="$1"
+fi
+
+
+if [ "$target" == "dark" ]; then
+  if [[ $is_dark != 1 ]]; then
+    set_theme  "${dark_theme}"
+    echo "[✓] Switched helix to dark!"
+  else
+    echo "[-] Did not switch helix theme."
+  fi
+else
+  if [[ $is_light != 1 ]]; then
+    set_theme  "${light_theme}"
+    echo "[✓] Switched helix to light!"
+  else
+    echo "[-] Did not switch helix theme."
+  fi
+fi
diff --git a/switch-themes.sh b/switch-themes.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+# exit on error
+set -e
+
+# change directory
+cd $(dirname -- "${BASH_SOURCE[0]}")
+
+# call every script that is available
+
+## GNOME
+if [ -f "./gnome-switch-theme.sh" ]; then
+  ./gnome-switch-theme.sh "$1"
+fi
+
+## Helix
+if [ -f "./helix-switch-theme.sh" ]; then
+  ./helix-switch-theme.sh "$1"
+fi