compilando_curl.sh

#!/bin/bash
#****************************************************************************************************
#                                  _   _ ____  _
#  Project                     ___| | | |  _ \| |
#                             / __| | | | |_) | |
#                            | (__| |_| |  _ <| |___
#                             \___|\___/|_| \_\_____|
#
# Copyright (C) 1998 - 2022, Daniel Stenberg, <[email protected]>, et al (et alii, here Jimmy Olano).
#
# This software is licensed as described in the file COPYING, which you should have received as part of this
# distribution. The terms are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell copies of the Software, and permit
# persons to whom the Software is furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
#
#####################################################################################################
tput clear
tput init

function ejecutar(){
  # Función para ejecutar comandos.
  local comando=$1
  mensaje $2
  bash -c "${ssuddo}${comando}"
}

function mensaje(){
  msj=$1
  tput bold
  echo "___ "$msj
  tput dim
}
# Usuario distinto a 'root' debe usar 'sudo'.
  set -e
  if [ "$(whoami)" == "root" ]
  then
    ssuddo=""
    mensaje 'Ejecutando como usuario raíz.'
  else
    ssuddo="sudo "
    mensaje "Usando sudo para compilar."
  fi

# Actualiza repositorios de Ubuntu con el comando 'apt'.
  ejecutar 'apt update' 'Actualizando repositorios...'

# Instala software para descargar e instalar los paquetes necesarios.
  ejecutar 'apt --assume-yes install jq sed tar wget' "Instalando software básico..."

# Instala las librearías necesarias apra curl.
  ejecutar 'apt --assume-yes install libgsasl7-dev libssl-dev libssh-dev zlib1g-dev libbrotli-dev libidn11-dev librtmp-dev libldap2-dev libnghttp2-dev libzstd-dev libpsl-dev libkrb5-dev' 'Instalando las dependencias de curl...'

# Instala el software para el manual integrado.
  ejecutar 'apt --assume-yes install groff' 'Instalando software base para documentación'

# Instala el software necesario para compilar curl.
  ejecutar 'apt --assume-yes install gcc make git' "Instalando software para control de versionesy para compilación"

# Usa la utilería de Wouter van Bommel para https://snapcraft.io/curl
  set -e
  mensaje "Revisando versiones liberadas de curl en releases..."
  wget --quiet https://api.github.com/repos/curl/curl/releases -O releases.json
  VERSION_RAW=$(grep . releases.json | grep tag_name | cut -d '"' -f4 | head -1)
  TARBALL_URL=$(grep browser_download releases.json | grep "${VERSION_RAW}\/" | grep ".tar.gz" | cut -d'"' -f4 | grep -v "asc")
  TARBALL=$(basename "${TARBALL_URL}")
  mensaje "Descargando curl comprimido, versión ${TARBALL_URL}..."
  wget --quiet "${TARBALL_URL}" -O "${TARBALL}"
  mensaje "Descomprimiendo ${TARBALL}..."
  dir_name="$(echo "${TARBALL}" | cut -d '.' -f1)"".""$(echo "${TARBALL}" | cut -d '.' -f2)"".""$(echo "${TARBALL}" | cut -d '.' -f3)""/include/curl/curlver.h"
  tar xf "${TARBALL}" --strip-components=1 "${dir_name}"
  tar xzvf "${TARBALL}"
  rm releases.json "${TARBALL}"
  VERSION=$(grep "#define LIBCURL_VERSION " include/curl/curlver.h | cut -d '"' -f2)
  mensaje "Instalando curl versión ${VERSION}..."
  
  ejecutar "apt --assume-yes install gcc make git" "Instalando herramienta gcc, make y git."