composer - new seq to install composer locally or globally

seqs/composer.sh

@@ -0,0 +1,122 @@
+#!/usr/bin/env bash
+
+readonly toolName=composer
+
+# Already defined by sequencer.sh, but may be overwritten
+#readonly seq_configName="${sq_scriptName:?}.cfg"
+#readonly seq_configTemplate="${seq_origin:?}/${sq_configName:?}.example"
+
+sq_aptOpt=
+sq_config=0
+sq_composerBin=
+
+seq_config() {
+  # Apt cmdline option to suppress user interaction
+  interactive || sq_aptOpt="-y"
+
+  # Disable error checks if external scripts are used
+  # e.g. error on unbound variables
+  #disableErrorCheck
+
+  # Return of non zero value will abort the sequence
+  return 0
+}
+
+getComposer() {
+  local lLocalOnly=0
+  local lGlobalOnly=0
+  case "${1:-}" in
+    -l) lLocalOnly=1 ;;
+    -g) lGlobalOnly=1 ;;
+  esac
+  if [[ -n "${sq_composerBin:-}" ]] && [[ -z "${1:-}" ]] ; then
+    return 0
+  fi
+  local lComp=
+
+  if (( ! lGlobalOnly )) ; then
+    lComp="$(ls composer 2>>/dev/null)"
+    lComp="${lComp:-"$(ls composer.phar 2>>/dev/null)"}"
+  fi
+  if (( ! lLocalOnly )) ; then
+    lComp="${lComp:-"$(ls /usr/local/bin/composer 2>>/dev/null)"}"
+  fi
+
+  [[ -z "${lComp:-}" ]] && return 1
+  sq_composerBin="$(readlink -f -- "${lComp}")"
+  return 0
+}
+
+
+step_1_info() { echo "Determine status of ${toolName} in current directory or globally"; }
+step_1_alias() { echo "status"; }
+step_1() {
+  local lDir="$(pwd)"
+  local lComp
+  
+  getComposer || die "No composer installed"
+
+  info    "Composer found: ${sq_composerBin}"
+  info -a "$(COMPOSER_ALLOW_SUPERUSER=1 "${sq_composerBin}" --version)"
+  info    "Available php versions:"
+  info -a "$(update-alternatives --list php)"
+}
+
+step_10_info() { 
+  echoinfoArgs "[OPTIONS] [VERSION]"
+  echo "Install ${toolName}"
+  echoinfo " [OPTIONS]"
+  echoinfo "   -l: (default) install composer.phar to the current directory"
+  echoinfo "   -g: install composer globally to /usr/local/bin"
+  echoinfo " [VERSION]"
+  echoinfo "   Install this specific ${toolName} version"
+}
+step_10_alias() { echo "install"; }
+step_10() {
+  shift
+  local lLocal=1
+  local lArgs=()
+  for _ in "${@}" ; do
+    case "${1:-}" in
+      -l) shift ;;
+      -g) 
+        lLocal=0
+        lArgs+=(--install-dir="/usr/local/bin")
+        lArgs+=(--filename="composer")
+        shift ;;
+      --) shift && break ;;
+      -*) die "Unkown option ${1}" ;;
+    esac
+  done
+
+  local getArg="-l"
+  (( ! lLocal )) && getArg="-g"
+  getComposer ${getArg} && die "Composer already installed: ${sq_composerBin}"
+  
+  [[ -n "${1:-}" ]] && lArgs+=(--version="${1}")
+  interactive || lArgs+=(--quiet)
+
+  info "Installing ${toolName}"
+  local checksum_expected="$(wget -q -O - https://composer.github.io/installer.sig)"
+  exe wget -O 'composer-setup.php' 'https://getcomposer.org/installer'
+  local checksum=($(sha384sum 'composer-setup.php'))
+
+  if [ "${checksum_expected}" != "${checksum}" ]
+  then
+    error -e 'Invalid installer checksum'
+    error -a "Sum: ${checksum}"
+    error -a "Exp: ${checksum_expected}"
+    exe rm composer-setup.php
+    return 1
+  fi
+
+  exe php composer-setup.php "${lArgs[@]}"
+  saveReturn $?
+  exe rm composer-setup.php
+  endReturn "Composer setup failed"
+}
+
+# shellcheck disable=SC2034 # Appears unused
+readonly sqr_minVersion=16
+# shellcheck disable=SC1091 # Don't follow this source
+. /usr/local/bin/sequencer.sh