WIP

bootstrap.sh

@@ -40,6 +40,55 @@ warn() {
     printf "%b\n" "${YELLOW}${BOLD}${1}${RESET}"
 }
 
+print_buffer() {
+    buffer_size=$1
+    for i in $(seq 1 "$((buffer_size))"); do
+        if [ "$trim" = "y" ]; then
+            eval "printf '%-${line_length}s\n' \"\$buffer${i}\""
+        else
+            eval "printf '%-${line_length}.${line_length}s\n' \"\$buffer${i}\""
+        fi
+    done
+}
+
+push_buffer() {
+    line=$1
+    buffer_size=$2
+    for i in $(seq 1 $((buffer_size))); do
+        eval "buffer$i=\$buffer$((i + 1))"
+    done
+
+    # shellcheck disable=SC2034
+    eval "buffer${buffer_size}='$line'"
+    # buffer1="$line"
+}
+
+scroll() {
+    buffer_size=$1 # int
+    trim=${2:-y}   # 'y' | 'n'
+
+    line_length=$(tput cols)
+    trap 'line_length=$(tput cols)' WINCH
+
+    tput civis
+    while read -r line; do
+        push_buffer "$line" "$buffer_size"
+
+        tput sc
+        print_buffer "$buffer_size"
+        tput rc
+
+        sleep 0.5
+    done
+    tput cnorm
+
+    for i in $(seq 1 $((buffer_size))); do
+        eval "buffer$i=''"
+    done
+    print_buffer "$buffer_size"
+    trap - WINCH
+}
+
 _loop_wrapper() {
     unset n
     unset total
@@ -55,7 +104,7 @@ _loop_wrapper() {
         n=$((n + 1))
         eval "info \"(${n}/${total}) $message\""
         eval "$command"
-    done <"$file"
+    done <"$file" | scroll 7
 }
 
 check_root() {
@@ -81,9 +130,9 @@ setup() {
 install_packages() {
     #shellcheck disable=SC2016,SC2046
     { sed '/^[[:space:]]*#/d;/^$/d' "${SCRIPT_DIR}/packages.txt" | xargs -r xbps-install -y || error "Invalid package in packages.txt"; } | grep -v 'already installed'
-    info "Done!"
     command -v git 1>/dev/null 2>&1 || error "git isn't installed even though it should be!"
     command -v stow 1>/dev/null 2>&1 || error "stow isn't installed even though it should be!"
+    info "Done!"
 }
 
 install_files() {
@@ -104,7 +153,7 @@ create_symlinks() {
 			[ -L $target ] && rm $target
 			ln -s $source $target
 		'
-
+    info "Done!"
 }
 
 create_user() {
@@ -202,6 +251,8 @@ finalize() {
 
 ### CONTROL FLOW BEGINS HERE ###
 
+trap 'tput cnorm; tput sgr0; exit' INT TERM EXIT
+
 check_root
 
 emphasize "-- Copying Files --"