Adds creation of $HOME/.local/bin directory if not existing

On WSL for example there is no $HOME/.local/bin directory. This MR makes sure the directory is created before trying to move the file and getting an error.

Also the message to put the .local/bin in the path is more explicit.

installer.sh

@@ -3,193 +3,199 @@
 #
 # Distributed under terms of the GPLv3 license.
 
-{ \unalias command; \unset -f command; } >/dev/null 2>&1
+{
+	\unalias command
+	\unset -f command
+} >/dev/null 2>&1
 tdir=''
 gitedu_release_url="https://gitedu.hesge.ch/dojo_project/projects/ui/dojocli/-/releases/Latest"
 gitedu_prealpha_url="https://gitedu.hesge.ch/dojo_project/projects/ui/dojocli/-/releases/Latest"
 gitedu_url=$gitedu_release_url
 cleanup_success() {
-    printf "The dojo is installed in %s\nMake sure %s is in your path\n" "$dest" "$dest"
-    cleanup
+	printf "The dojo is installed in %s\nMake sure %s is in your path\n" "$dest" "$destdir"
+	printf "If you are using bash you may want to append:\n"
+	printf "export PATH=\"\$PATH:%s\" to your .bashrc file.\n" "$destdir"
+	cleanup
 }
 
 cleanup() {
-    [ -n "$tdir" ] && {
-        printf "Cleaning temporary files in %s\n" "$tdir"
-        command rm -rf "$tdir"
-        tdir=''
-    }
+	[ -n "$tdir" ] && {
+		printf "Cleaning temporary files in %s\n" "$tdir"
+		command rm -rf "$tdir"
+		tdir=''
+	}
 }
 
 die() {
-    cleanup
-    printf "\033[31m%s\033[m\n\r" "$*" > /dev/stderr;
-    exit 1;
+	cleanup
+	printf "\033[31m%s\033[m\n\r" "$*" >/dev/stderr
+	exit 1
 }
 
 detect_jq_tool() {
-    if command -v jq 2> /dev/null > /dev/null; then
-        get_version() {
-            command jq -r '."assets"."links"[0].url' | command awk -F '/' '{print $(NF-1)}'
-        }
-    else
-        die "jq not available on your system cannot get dojo version"
-    fi
+	if command -v jq 2>/dev/null >/dev/null; then
+		get_version() {
+			command jq -r '."assets"."links"[0].url' | command awk -F '/' '{print $(NF-1)}'
+		}
+	else
+		die "jq not available on your system cannot get dojo version"
+	fi
 }
 
-
 detect_network_tool() {
-    if command -v curl 2> /dev/null > /dev/null; then
-        fetch() {
-            command curl -fL "$1"
-        }
-        fetch_and_get_version() {
-            command curl -fL "$1" |  get_version
-        }
-
-        fetch_quiet() {
-            command curl -fsSL "$1"
-        }
-        fetch_and_get_version_quiet() {
-            command curl -fsSL "$1" | get_version
-        }
-    elif command -v wget 2> /dev/null > /dev/null; then
-        fetch() {
-            command wget -O- "$1"
-        }
-        fetch_and_get_version() {
-            command wget -O- "$1" |  get_version
-        }
-        
-        fetch_quiet() {
-            command wget --quiet -O- "$1"
-        }
-        fetch_and_get_version_quiet() {
-            command wget --quiet -O- "$1" |  get_version
-        }
-    else
-        die "Neither curl nor wget available. Cannot download dojo. Install any of the or see $gitedu_url to download manually"
-    fi
+	if command -v curl 2>/dev/null >/dev/null; then
+		fetch() {
+			command curl -fL "$1"
+		}
+		fetch_and_get_version() {
+			command curl -fL "$1" | get_version
+		}
+
+		fetch_quiet() {
+			command curl -fsSL "$1"
+		}
+		fetch_and_get_version_quiet() {
+			command curl -fsSL "$1" | get_version
+		}
+	elif command -v wget 2>/dev/null >/dev/null; then
+		fetch() {
+			command wget -O- "$1"
+		}
+		fetch_and_get_version() {
+			command wget -O- "$1" | get_version
+		}
+
+		fetch_quiet() {
+			command wget --quiet -O- "$1"
+		}
+		fetch_and_get_version_quiet() {
+			command wget --quiet -O- "$1" | get_version
+		}
+	else
+		die "Neither curl nor wget available. Cannot download dojo. Install any of the or see $gitedu_url to download manually"
+	fi
 }
 
-
 detect_os() {
-    arch=""
-    case "$(command uname)" in
-        'Darwin') OS="macos"
-            case "$(command uname -m)" in
-                    amd64|x86_64) arch="x64";;
-                    aarch64*) arch="arm64";;
-                    armv8*) arch="arm64";;
-                    arm64) arch="arm64";;
-                    *) die "dojo binaries are not available for $(command uname -m) architecture. See $gitedu_url to download manually";;
-            esac
-            ;;
-        'Linux')
-            OS="linux"
-            case "$(command uname -m)" in
-                amd64|x86_64) arch="x64";;
-                aarch64*) arch="arm64";;
-                armv8*) arch="arm64";;
-                arm64) arch="arm64";;
-                *) die "dojo binaries are not available for $(command uname -m) architecture. See $gitedu_url to download manually";;
-            esac
-            ;;
-        *) die "dojo binaries are not available for $(command uname). See $gitedu_url to download manually"
-    esac
+	arch=""
+	case "$(command uname)" in
+	'Darwin')
+		OS="macos"
+		case "$(command uname -m)" in
+		amd64 | x86_64) arch="x64" ;;
+		aarch64*) arch="arm64" ;;
+		armv8*) arch="arm64" ;;
+		arm64) arch="arm64" ;;
+		*) die "dojo binaries are not available for $(command uname -m) architecture. See $gitedu_url to download manually" ;;
+		esac
+		;;
+	'Linux')
+		OS="linux"
+		case "$(command uname -m)" in
+		amd64 | x86_64) arch="x64" ;;
+		aarch64*) arch="arm64" ;;
+		armv8*) arch="arm64" ;;
+		arm64) arch="arm64" ;;
+		*) die "dojo binaries are not available for $(command uname -m) architecture. See $gitedu_url to download manually" ;;
+		esac
+		;;
+	*) die "dojo binaries are not available for $(command uname). See $gitedu_url to download manually" ;;
+	esac
 }
 
 expand_tilde() {
-    tilde_less="${1#\~/}"
-    [ "$1" != "$tilde_less" ] && tilde_less="$HOME/$tilde_less"
-    printf '%s' "$tilde_less"
+	tilde_less="${1#\~/}"
+	[ "$1" != "$tilde_less" ] && tilde_less="$HOME/$tilde_less"
+	printf '%s' "$tilde_less"
 }
 
 parse_args() {
-    dest='~/.local/bin'
-    [ "$OS" = "macos" ] && dest="/usr/local/bin"
-    installer=''
-    while :; do
-        case "$1" in
-            dest=*) dest="${1#*=}";;
-            installer=*) installer="${1#*=}";;
-            "") break;;
-            *) die "Unrecognized command line option: $1";;
-        esac
-        shift
-    done
-    dest=$(expand_tilde "${dest}")
-    dest="$dest/dojo"
+	destdir='~/.local/bin'
+	[ "$OS" = "macos" ] && destdir="/usr/local/bin"
+	installer=''
+	while :; do
+		case "$1" in
+		destdir=*) destdir="${1#*=}" ;;
+		installer=*) installer="${1#*=}" ;;
+		"") break ;;
+		*) die "Unrecognized command line option: $1" ;;
+		esac
+		shift
+	done
+	destdir=$(expand_tilde "${destdir}")
+	if [ ! -d "$destdir" ]; then
+		printf "Directory %s does not exist. Creatring %s now.\n" "$destdir" "$destdir"
+		mkdir -p "$destdir"
+	fi
+	dest="$destdir/dojo"
 }
 
-
 get_file_url() {
-    url="https://gitedu.hesge.ch/api/v4/projects/12972/packages/generic/dojo"
-    if [ "$OS" = "macos" ]; then
-        url="$url$1_macOS-$arch/$1/dojo$1"
-    else
-        url="$url$1_Linux-$arch/$1/dojo$1"
-    fi
+	url="https://gitedu.hesge.ch/api/v4/projects/12972/packages/generic/dojo"
+	if [ "$OS" = "macos" ]; then
+		url="$url$1_macOS-$arch/$1/dojo$1"
+	else
+		url="$url$1_Linux-$arch/$1/dojo$1"
+	fi
 }
 
 get_release_url() {
-    release_version=$(fetch_and_get_version_quiet https://gitedu.hesge.ch/api/v4/projects/12972/releases/Latest)
-    [ $? -ne 0 -o -z "$release_version" ] && die "Could not get dojo latest release version"
-    get_file_url "$release_version"
+	release_version=$(fetch_and_get_version_quiet https://gitedu.hesge.ch/api/v4/projects/12972/releases/Latest)
+	[ $? -ne 0 -o -z "$release_version" ] && die "Could not get dojo latest release version"
+	get_file_url "$release_version"
 }
 
-
 get_prealpha_url() {
-    gitedu_url=$gitedu_prealpha_url
-    prealpha_version=$(fetch_and_get_version_quiet https://gitedu.hesge.ch/api/v4/projects/12972/releases/Pre-alpha)
-    [ $? -ne 0 -o -z "$prealpha_version" ] && die "Could not get dojo pre-alpha release version"
-    get_file_url "$prealpha_version"
+	gitedu_url=$gitedu_prealpha_url
+	prealpha_version=$(fetch_and_get_version_quiet https://gitedu.hesge.ch/api/v4/projects/12972/releases/Pre-alpha)
+	[ $? -ne 0 -o -z "$prealpha_version" ] && die "Could not get dojo pre-alpha release version"
+	get_file_url "$prealpha_version"
 }
 
 get_download_url() {
-    case "$installer" in
-        "pre-alpha") get_prealpha_url ;;
-        "") get_release_url ;;
-        *) ;;
-    esac
+	case "$installer" in
+	"pre-alpha") get_prealpha_url ;;
+	"") get_release_url ;;
+	*) ;;
+	esac
 }
 
 download_installer() {
-    tdir=$(command mktemp -d "/tmp/dojo-install-XXXXXXXXXXXX")
-    printf '%s\n' "Downloading from: $url"
-    if [ "$OS" = "macos" ]; then
-        installer="$tdir/dojo"
-    else
-        installer="$tdir/dojo"
-    fi
-    fetch "$url" > "$installer" || die "Failed to download: $url"
-    printf '%s\n\n' "File saved in: $installer"
+	tdir=$(command mktemp -d "/tmp/dojo-install-XXXXXXXXXXXX")
+	printf '%s\n' "Downloading from: $url"
+	if [ "$OS" = "macos" ]; then
+		installer="$tdir/dojo"
+	else
+		installer="$tdir/dojo"
+	fi
+	fetch "$url" >"$installer" || die "Failed to download: $url"
+	printf '%s\n\n' "File saved in: $installer"
 }
 
 linux_install() {
-    command chmod +x "$installer" || die "Failed to chmod +x $installer"
-    command mv "$installer" "$dest" || die "Failed to move $installer"
+	command chmod +x "$installer" || die "Failed to chmod +x $installer"
+	command mv "$installer" "$dest" || die "Failed to move $installer"
 }
 
 macos_install() {
-    command chmod +x "$installer" || die "Failed to chmod +x $installer for MacOS"
-    command mv "$installer" "$dest" || die "Failed to move $installer to $dest for MacOS"
+	command chmod +x "$installer" || die "Failed to chmod +x $installer for MacOS"
+	command mv "$installer" "$dest" || die "Failed to move $installer to $dest for MacOS"
 }
 
 main() {
-    detect_os
-    parse_args "$@"
-    detect_jq_tool
-    detect_network_tool
-    get_download_url
-    download_installer
-    if [ "$OS" = "macos" ]; then
-        macos_install
-    else
-        linux_install
-    fi
-    cleanup_success
-    exit 0
+	detect_os
+	parse_args "$@"
+	detect_jq_tool
+	detect_network_tool
+	get_download_url
+	download_installer
+	if [ "$OS" = "macos" ]; then
+		macos_install
+	else
+		linux_install
+	fi
+	cleanup_success
+	exit 0
 }
 
 main "$@"