build: make build script more verbose

src/build.sh

@@ -1,5 +1,9 @@
 #!/bin/bash
 
+# Include utils library
+script_dir=$(dirname "$0")
+. "$script_dir/utils.sh"
+
 function set_compliation_variables() {
     # Set compilation variables such as which compiler to use.
     #
@@ -18,6 +22,8 @@ function set_compliation_variables() {
         return 1
     fi
 
+    >&2 fancy_title "Setting compilation variables for $target_arch"
+
     if [[ "$target_arch" == "arm" ]]; then
         CROSS=arm-linux-gnueabi-
         export HOST=arm-linux-gnueabi
@@ -67,6 +73,8 @@ function build_iconv() {
 
     pushd "$iconv_build_dir" > /dev/null
 
+    >&2 fancy_title "Building libiconv for $target_arch"
+
     ../configure --enable-static "CC=$CC" "CXX=$CXX" "--host=$HOST" \
         "CFLAGS=$CFLAGS" "CXXFLAGS=$CXXFLAGS" 1>&2
     if [[ $? -ne 0 ]]; then
@@ -82,6 +90,8 @@ function build_iconv() {
     mkdir -p ./lib/.libs/lib/
     cp ./lib/.libs/libiconv.a ./lib/.libs/lib/
 
+    >&2 fancy_title "Finished building libiconv for $target_arch"
+
     popd > /dev/null
 }
 
@@ -113,6 +123,8 @@ function build_libgmp() {
 
     pushd "$gmp_build_dir" > /dev/null
 
+    >&2 fancy_title "Building libgmp for $target_arch"
+
     ../configure --enable-static "CC=$CC" "CXX=$CXX" "--host=$HOST" \
         "CFLAGS=$CFLAGS" "CXXFLAGS=$CXXFLAGS" 1>&2
     if [[ $? -ne 0 ]]; then
@@ -129,6 +141,8 @@ function build_libgmp() {
     mkdir -p ./.libs/lib/
     cp ./.libs/libgmp.a ./.libs/lib/
 
+    >&2 fancy_title "Finished building libgmp for $target_arch"
+
     popd > /dev/null
 }
 
@@ -162,6 +176,8 @@ function build_libmpfr() {
 
     pushd "$mpfr_dir/build-$target_arch" > /dev/null
 
+    >&2 fancy_title "Building libmpfr for $target_arch"
+
     ../configure --enable-static "--with-gmp-build=$libgmp_build_dir" \
         "CC=$CC" "CXX=$CXX" "--host=$HOST" \
         "CFLAGS=$CFLAGS" "CXXFLAGS=$CXXFLAGS" 1>&2
@@ -179,6 +195,8 @@ function build_libmpfr() {
     mkdir -p ./src/.libs/lib
     cp ./src/.libs/libmpfr.a ./src/.libs/lib/
 
+    >&2 fancy_title "Finished building libmpfr for $target_arch"
+
     popd > /dev/null
 }
 
@@ -216,6 +234,8 @@ function build_gdb() {
 
     pushd "$gdb_build_dir" > /dev/null
 
+    >&2 fancy_title "Building gdb for $target_arch"
+
     ../configure --enable-static --with-static-standard-libraries --disable-tui --disable-inprocess-agent \
                  "--with-libiconv-prefix=$libiconv_prefix" --with-libiconv-type=static \
                  "--with-gmp=$libgmp_prefix" \
@@ -231,6 +251,8 @@ function build_gdb() {
         return 1
     fi
 
+    >&2 fancy_title "Finished building gdb for $target_arch"
+
     popd > /dev/null
 }
 

src/download_packages.sh

@@ -1,5 +1,9 @@
 #!/bin/bash
 
+# Include utils library
+script_dir=$(dirname "$0")
+. "$script_dir/utils.sh"
+
 # List of package URLs to download
 PACKAGE_URLS=(
     "https://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.17.tar.gz"
@@ -181,6 +185,8 @@ function download_gdb_packages() {
     # Run downloads in parallel
     download_pids=()
 
+    fancy_title "Starting download of GDB packages"
+
     for url in "${PACKAGE_URLS[@]}"; do
         package_dir=$(package_url_to_dir "$url")
         download_and_extract_package "$url" "$package_dir" &
@@ -195,6 +201,8 @@ function download_gdb_packages() {
         fi
     done
 
+    fancy_title "Finished downloading GDB packages"
+
     popd
 }
 

src/patch_gdb.sh

@@ -1,5 +1,9 @@
 #!/bin/bash
 
+# Include utils library
+script_dir=$(dirname "$0")
+. "$script_dir/utils.sh"
+
 function apply_patch() {
     # Apply a patch to a directory.
     #
@@ -41,11 +45,13 @@ function main() {
         exit 1
     fi
 
+    fancy_title "Applying GDB patch"
     apply_patch "$1" "$2"
     if [[ $? -ne 0 ]]; then
         >&2 echo "Error: failed to apply GDB patch"
         exit 1
     fi
+    fancy_title "Finished applying GDB patch"
 }
 
 main "$@"

src/utils.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+GREEN="\033[0;32m"
+BOLD="\033[1m"
+RESET="\033[0m"
+
+function print_centered() {
+    # Print a string centered in the terminal.
+    #
+    # Parameters:
+    # $1: string
+    # $2: line width
+    #
+    # Returns:
+    # 0: success
+
+    local string="$1"
+    local length=${#string}
+
+    printf "%*s\n" $((($2 + length) / 2)) "$string"
+}
+
+function fancy_title() {
+    # Print a fancy title.
+    # The title is centered and surrounded by a line of dashes.
+    #
+    # Parameters:
+    # $1: title
+    #
+    # Returns:
+    # 0: success
+
+    local title="$1"
+    local length=80
+    local maximum_title_length=60
+
+    # Set color to green and bold
+    tput setaf 2
+    tput bold
+
+    printf "%${length}s\n" | tr ' ' -
+
+    # Split the title into words and print them centered
+    IFS=' ' read -r -a words <<< "$title"
+
+    line=""
+    for word in "${words[@]}"; do
+        if [[ ${#line} -eq 0 ]]; then
+            line="$word"
+        elif [[ $(( ${#line} + ${#word} + 1 )) -gt $maximum_title_length ]]; then
+            print_centered "$line" "$length"
+            line="$word"
+        else
+            line="$line $word"
+        fi
+    done
+
+    # Print the last line
+    if [[ ${#line} -gt 0 ]]; then
+        print_centered "$line" "$length"
+    fi
+
+    printf "%${length}s\n" | tr ' ' -
+
+    # Reset color and style
+    tput sgr0
+}