72 lines
2.5 KiB
Bash
Executable file
72 lines
2.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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script_path="$(dirname "$(realpath "$0")")"
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. "$script_path/functions.sh"
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assert_prerequisites
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[ -z "$1" ] && die "Usage: create-shortcut.sh <app_name>"
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image_name="$(relative_path_to_image_name "apps/$1")"
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assert_image_exists "$image_name"
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desktop_file_path="$(get_image_label "$image_name" "net.typeblog.dobu.desktop_file_path")"
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[ -z "$desktop_file_path" ] && die "App $1 did not specify desktop_file_path in its labels"
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# Create a temporary working directory
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# Because we will have to extract files from the container image
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tmp_dir="$(mktemp -d -p /tmp)"
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pushd "$tmp_dir"
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tmp_container_name="dobu-tmp-$(cat /dev/urandom | tr -dc '[:alpha:]' | fold -w 10 | head -n 1)"
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# Let's set up cleanup tasks first
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cleanup() {
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popd || true
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rm -rf "$tmp_dir" || true
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podman rm -f -v "$tmp_container_name" || true
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}
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trap cleanup EXIT
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log "Creating temporary container $tmp_container_name from $image_name"
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podman create --name "$tmp_container_name" "$image_name"
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log "Extracting $desktop_file_path from $tmp_container_name"
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podman cp "$tmp_container_name:$desktop_file_path" ./$1.desktop
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log "Extracting /usr/share/icons from $tmp_container_name"
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podman cp "$tmp_container_name:/usr/share/icons" ./icons
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log "Destroying temporary container $tmp_container_name"
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podman rm -f -v "$tmp_container_name"
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# We delete everything after the first [Desktop Entry]
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# because we don't intend to support all the weird actions an app might have
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desktop_file_content="$(cat ./$1.desktop | awk '/^\[.*\]$/ && ++f == 2 { exit } 1')"
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icon_name="$(echo "$desktop_file_content" | grep "Icon=" | head -1 | cut -d'=' -f 2)"
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[ -z "$icon_name" ] && die "No icon defined for $1"
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log "Searching for icon file for $1: $icon_name"
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# Here we assume that $icon_name always refers to something in /usr/share/icons in the container
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# When building images, make sure they are always placed there
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icons=($(find ./icons -name "$icon_name.*"))
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[ "${#icons[@]}" -eq 0 ] && die "No icons found for $icon_name"
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for icon in "${icons[@]}"; do
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icon_target="${icon/.\/icons\/hicolor/$HOME/.local/share/icons/hicolor}"
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log "Copying $icon to $icon_target"
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mkdir -p "$(dirname "$icon_target")"
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cp "$icon" "$icon_target"
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done
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desktop_target="$HOME/.local/share/applications/$1.desktop"
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log "Creating $desktop_target"
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echo "$desktop_file_content" | grep -v "^TryExec=.*\$i" \
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| sed -r "s@^Exec=(.*)\$@Exec=$script_path/dobu-run.sh $1@" > "$desktop_target"
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log "Desktop shortcut for $1 has been generated"
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log "You may now need to refresh your desktop application list by re-logging in"
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