94 lines
1.7 KiB
Bash
Executable file
94 lines
1.7 KiB
Bash
Executable file
#!/usr/bin/env sh
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set -e
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edit_dir_base="$XDG_RUNTIME_DIR/edit/"
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_pre_checks() {
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if [ -z "$EDITOR" ]; then
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echo "EDITOR is not set"
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exit 1
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fi
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}
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_pre_checks_file() {
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if [ -z "$1" ]; then
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echo "No file specified"
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exit 1
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fi
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if sudo test -d "$1"; then
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echo "Cannot edit directory"
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exit 1
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fi
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}
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_readlink() {
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sudo readlink -fn "$1"
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}
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_get_edit_directory() {
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target_dir=$(dirname "$1")
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edit_dir_sub=$(_readlink "$target_dir" | md5sum | awk '{ print $1 }')
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edit_directory="$edit_dir_base/$edit_dir_sub/"
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echo "$edit_directory"
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}
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_get_edit_file() {
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target=$(_readlink "$1")
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target_name=$(basename "$target")
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edit_directory=$(_get_edit_directory "$target")
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edit_file=$(realpath -s "$edit_directory/$target_name")
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echo "$edit_file"
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}
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_prepare_for_edit() {
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target=$(_readlink "$1")
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_pre_checks_file "$target"
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edit_directory=$(_get_edit_directory "$target")
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edit_file=$(_get_edit_file "$target")
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mkdir -p "$edit_directory"
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user=$(id -un)
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group=$(id -gn)
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if sudo test -e "$target"; then
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sudo cp -i "$target" "$edit_file"
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sudo chown "$user":"$group" "$edit_file"
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else
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touch "$edit_file"
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fi
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echo "$edit_file"
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}
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_pre_checks
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# Prepare all files for editing and collect the names of the edit files
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all_edit_files=""
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for arg in "$@"; do
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edit_file=$(_prepare_for_edit "$arg")
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all_edit_files="$all_edit_files $edit_file"
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done
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# Use a subshell to avoid overwriting $@
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(
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for file in $all_edit_files; do
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set -- "$file" "$@"
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done
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$EDITOR "$@"
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)
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# Copy all edit files back
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for arg in "$@"; do
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edit_file=$(_get_edit_file "$arg")
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sudo cp "$edit_file" "$arg" && rm "$edit_file"
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edit_directory=$(_get_edit_directory "$target")
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# Try to remove the directory, but don't fail if it's not empty
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rm -d "$edit_directory" 2>/dev/null || true
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done
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