Refactor nerdfont_installer

.archived/btrfs_backup

@@ -1,18 +1,10 @@
 #!/usr/bin/env bash
 
-LOGFILE="/var/log/btrfs-backup.log"
-SNAP_DATE=$(date '+%Y-%m-%d_%H%M%S')
-
-send_matrix_webhook() {
-    /usr/local/bin/send-matrix-webhook "btrfs-backup failed on $(hostname)"
-}
-
-trap send_matrix_webhook SIGINT SIGTERM
+SNAP_DATE=$(date '+%Y-%m-%d_%H-%M-%S')
 
 # Check if device is mounted
-if ! grep "/srv/backup" /etc/mtab >/dev/null; then
-    echo "[$(date '+%Y-%m-%d %H:%M:%S')] Backup device is not mounted." | tee -a "$LOGFILE"
-    notify-send -i computer-fail "Backup device is not mounted"
+if ! grep "/mnt/storage" /etc/mtab >/dev/null; then
+    logger -p error -t btrfs_backup "ERROR: /mnt/storage is not mounted."
     exit 1
 fi
 

nerdfont_installer

@@ -22,20 +22,22 @@ set -o posix
 
 # Check for dependencies: curl and gum.
 if ! test -x "$(command -v curl)"; then
-    echo "Missing dependencies: please install curl."
+    echo "Missing dependencies: curl"
     exit 1
 fi
 
 if ! test -x "$(command -v gum)"; then
-    echo "Missing dependencies: please install the gum command."
+    echo "Missing dependencies: gum"
     echo "See https://github.com/charmbracelet/gum"
     exit 1
 fi
 
-# Define variables
-NF_BASE_URL="https://github.com/ryanoasis/nerd-fonts/releases/download"
-NF_VERSION=$(curl -sL https://github.com/ryanoasis/nerd-fonts/releases/latest | grep "<title>Release" | awk '{ print $2 }')
-NF_URL="${NF_BASE_URL}/${NF_VERSION}"
+if ! test -x "$(command -v unzip)"; then
+    echo "Missing dependencies: unzip"
+    exit 1
+fi
+
+# Directory on the local filesystem where the fonts will be installed.
 LOCAL_FONT_DIR="${HOME}/.local/share/fonts"
 
 # Fancy error output message.
@@ -53,63 +55,6 @@ gum_error() {
     exit 1
 }
 
-# Array of nerd font names.
-nf_array=(
-    3270
-    Agave
-    AnonymousPro
-    Arimo
-    AurulentSansMono
-    BigBlueTerminal
-    BitstreamVeraSansMono
-    CascadiaCode
-    CodeNewRoman
-    Cousine
-    DaddyTimeMono
-    DejaVuSansMono
-    DroidSansMono
-    EnvyCodeR
-    FantasqueSansMono
-    FiraCode
-    FiraMono
-    Go-Mono
-    Gohu
-    Hack
-    Hasklig
-    HeavyData
-    Hermit
-    iA-Writer
-    IBMPlexMono
-    Inconsolata
-    InconsolataGo
-    InconsolataLGC
-    IntelOneMono
-    Iosevka
-    JetBrainsMono
-    Lekton
-    LiberationMono
-    Lilex
-    Meslo
-    Monofur
-    Monoid
-    Mononoki
-    MPlus
-    Noto
-    OpenDyslexic
-    Overpass
-    ProFont
-    ProggyClean
-    RobotoMono
-    ShareTechMono
-    SourceCodePro
-    SpaceMono
-    Terminus
-    Tinos
-    Ubuntu
-    UbuntuMono
-    VictorMono
-)
-
 # Print the startup message.
 message=$(echo "Nerd font installer :nerd_face:" | gum format -t emoji)
 gum style \
@@ -121,10 +66,24 @@ gum style \
     --margin "1 2" \
     "$message"
 
-# Print the `nf_array` line by line and pipe to `gum choose --no-limit`.
-# Create `selection` array from the output of `gum choose --no-limit`.
-# It will contain only the items that were selected by the user.
-mapfile -t selection < <(printf "%s\n" "${nf_array[@]}" | gum choose --no-limit)
+# Read the nerd-font download URLs into an array
+readarray -t nf_url_array < <(curl --silent "https://api.github.com/repos/ryanoasis/nerd-fonts/releases/latest" | jq '.assets.[].browser_download_url' | tr -d '"' | grep ".zip")
+
+# Add the nerd-font basenames without file extension suffix into an associative
+# array, using these as the keys and the download URLs as the values.
+declare -A nf_array
+for nf in "${nf_url_array[@]}"; do
+    name="$(basename -s .zip "$nf")"
+    nf_array[$name]="$nf"
+done
+
+# Sort the keys of the array.
+IFS=$'\n'
+readarray -t sorted_keys < <(sort <<<"${!nf_array[*]}")
+unset IFS
+
+# Display nerd-font selection menu with the keys of the associative array.
+selection=$(gum choose --height=10 --limit=1 "${sorted_keys[@]}")
 
 # Prompt for user confirmation and proceed with installation of nerd fonts.
 #
@@ -133,16 +92,14 @@ mapfile -t selection < <(printf "%s\n" "${nf_array[@]}" | gum choose --no-limit)
 #
 # If user declines to proceed with installation, print a cancel message.
 if gum confirm "Proceed with installation?"; then
-    for item in "${selection[@]}"; do
-        if ! gum spin --spinner dot --title "Downloading $item..." \
-            -- curl --create-dirs -f -sL -o "${LOCAL_FONT_DIR}/$item.zip" "${NF_URL}/$item.zip"; then
-            gum_error "Failed to download nerd font archive $item"
+    if ! gum spin --spinner dot --title "Downloading $selection..." \
+        -- curl --create-dirs -f -sL -o "${LOCAL_FONT_DIR}/$selection.zip" "${nf_array["$selection"]}"; then
+        gum_error "Failed to download nerdfont archive $selection"
     fi
-        if ! gum spin --spinner dot --title "Installing $item..." \
-            -- unzip -uo "${LOCAL_FONT_DIR}/$item.zip" -d "${LOCAL_FONT_DIR}"; then
-            gum_error "Failed to install nerd font archive $item"
+    if ! gum spin --spinner dot --title "Installing $selection..." \
+        -- unzip -uo "${LOCAL_FONT_DIR}/$selection.zip" -d "${LOCAL_FONT_DIR}"; then
+        gum_error "Failed to install nerdfont archive $selection"
     fi
-    done
 else
     gum style \
         --foreground 212 \