mirror of
				https://github.com/neovim/neovim.git
				synced 2025-11-04 09:44:31 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			807 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			807 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/env bash
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set -e
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set -u
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# Use privileged mode, which e.g. skips using CDPATH.
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set -p
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# Ensure that the user has a bash that supports -A
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if [[ "${BASH_VERSINFO[0]}" -lt 4  ]]; then
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  >&2 echo "error: script requires bash 4+ (you have ${BASH_VERSION})."
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  exit 1
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fi
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readonly NVIM_SOURCE_DIR="${NVIM_SOURCE_DIR:-$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)}"
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readonly VIM_SOURCE_DIR_DEFAULT="${NVIM_SOURCE_DIR}/.vim-src"
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readonly VIM_SOURCE_DIR="${VIM_SOURCE_DIR:-${VIM_SOURCE_DIR_DEFAULT}}"
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BASENAME="$(basename "${0}")"
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readonly BASENAME
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readonly BRANCH_PREFIX="vim-"
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CREATED_FILES=()
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usage() {
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  echo "Port Vim patches to Neovim"
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  echo "https://github.com/neovim/neovim/wiki/Merging-patches-from-upstream-vim"
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  echo
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  echo "Usage:  ${BASENAME} [-h | -l | -p vim-revision | -r pr-number]"
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  echo
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  echo "Options:"
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  echo "    -h                 Show this message and exit."
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  echo "    -l [git-log opts]  List missing Vim patches."
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  echo "    -L [git-log opts]  List missing Vim patches (for scripts)."
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  echo "    -m {vim-revision}  List previous (older) missing Vim patches."
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  echo "    -M                 List all merged patch-numbers (at current v:version)."
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  echo "    -p {vim-revision}  Download and generate a Vim patch. vim-revision"
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  echo "                       can be a Vim version (8.0.xxx) or a Git hash."
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  echo "    -P {vim-revision}  Download, generate and apply a Vim patch."
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  echo "    -g {vim-revision}  Download a Vim patch."
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  echo "    -s                 Create a vim-patch pull request."
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  echo "    -r {pr-number}     Review a vim-patch pull request."
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  echo "    -V                 Clone the Vim source code to \$VIM_SOURCE_DIR."
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  echo
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  echo "    \$VIM_SOURCE_DIR controls where Vim sources are found"
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  echo "    (default: '${VIM_SOURCE_DIR_DEFAULT}')"
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  echo
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  echo "Examples:"
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  echo
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  echo " - List missing patches for a given file (in the Vim source):"
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  echo "   $0 -l -- src/edit.c"
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}
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msg_ok() {
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  printf '\e[32m✔\e[0m %s\n' "$@"
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}
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msg_err() {
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  printf '\e[31m✘\e[0m %s\n' "$@" >&2
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}
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# Checks if a program is in the user's PATH, and is executable.
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check_executable() {
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  test -x "$(command -v "${1}")"
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}
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require_executable() {
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  if ! check_executable "${1}"; then
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    >&2 echo "${BASENAME}: '${1}' not found in PATH or not executable."
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    exit 1
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  fi
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}
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clean_files() {
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  if [[ ${#CREATED_FILES[@]} -eq 0 ]]; then
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    return
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  fi
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  echo
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  echo "Created files:"
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  local file
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  for file in "${CREATED_FILES[@]}"; do
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    echo "  • ${file}"
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  done
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  read -p "Delete these files (Y/n)? " -n 1 -r reply
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  echo
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  if [[ "${reply}" == n ]]; then
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    echo "You can use 'git clean' to remove these files when you're done."
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  else
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    rm -- "${CREATED_FILES[@]}"
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  fi
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}
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get_vim_sources() {
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  require_executable git
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  if [[ ! -d ${VIM_SOURCE_DIR} ]]; then
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    echo "Cloning Vim into: ${VIM_SOURCE_DIR}"
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    git clone https://github.com/vim/vim.git "${VIM_SOURCE_DIR}"
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    cd "${VIM_SOURCE_DIR}"
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  elif [[ "${1-}" == update ]]; then
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    cd "${VIM_SOURCE_DIR}"
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    if ! [ -d ".git" ] \
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        && ! [ "$(git rev-parse --show-toplevel)" = "${VIM_SOURCE_DIR}" ]; then
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      msg_err "${VIM_SOURCE_DIR} does not appear to be a git repository."
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      echo "  Please remove it and try again."
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      exit 1
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    fi
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    echo "Updating Vim sources: ${VIM_SOURCE_DIR}"
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    if git pull --ff; then
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      msg_ok "Updated Vim sources."
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    else
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      msg_err "Could not update Vim sources; ignoring error."
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    fi
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  else
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    cd "${VIM_SOURCE_DIR}"
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  fi
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}
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commit_message() {
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  if [[ -n "$vim_tag" ]]; then
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    printf '%s\n%s' "${vim_message}" "${vim_commit_url}"
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  else
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    printf 'vim-patch:%s\n\n%s\n%s' "$vim_version" "$vim_message" "$vim_commit_url"
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  fi
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}
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find_git_remote() {
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  local git_remote
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  if [[ "${1-}" == fork ]]; then
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    git_remote=$(git remote -v | awk '$2 !~ /github.com[:\/]neovim\/neovim/ && $3 == "(fetch)" {print $1; exit}')
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  else
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    git_remote=$(git remote -v | awk '$2 ~ /github.com[:\/]neovim\/neovim/ && $3 == "(fetch)" {print $1; exit}')
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  fi
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  if [[ -z "$git_remote" ]]; then
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    git_remote="origin"
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  fi
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  echo "$git_remote"
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}
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# Assign variables for a given Vim tag, patch version, or commit.
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# Might exit in case it cannot be found, after updating Vim sources.
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assign_commit_details() {
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  local vim_commit_ref
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  if [[ ${1} =~ v?[0-9]\.[0-9]\.[0-9]{3,4} ]]; then
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    # Interpret parameter as version number (tag).
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    if [[ "${1:0:1}" == v ]]; then
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      vim_version="${1:1}"
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      vim_tag="${1}"
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    else
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      vim_version="${1}"
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      vim_tag="v${1}"
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    fi
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    vim_commit_ref="$vim_tag"
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    local munge_commit_line=true
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  else
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    # Interpret parameter as commit hash.
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    vim_version="${1:0:12}"
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    vim_tag=
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    vim_commit_ref="$vim_version"
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    local munge_commit_line=false
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  fi
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  local get_vim_commit_cmd="git -C ${VIM_SOURCE_DIR} log -1 --format=%H ${vim_commit_ref} --"
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  vim_commit=$($get_vim_commit_cmd 2>&1) || {
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    # Update Vim sources.
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    get_vim_sources update
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    vim_commit=$($get_vim_commit_cmd 2>&1) || {
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      >&2 msg_err "Couldn't find Vim revision '${vim_commit_ref}': git error: ${vim_commit}."
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      exit 3
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    }
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  }
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  vim_commit_url="https://github.com/vim/vim/commit/${vim_commit}"
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  vim_message="$(git -C "${VIM_SOURCE_DIR}" log -1 --pretty='format:%B' "${vim_commit}" \
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      | sed -e 's/\(#[0-9]\{1,\}\)/vim\/vim\1/g')"
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  if [[ ${munge_commit_line} == "true" ]]; then
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    # Remove first line of commit message.
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    vim_message="$(echo "${vim_message}" | sed -e '1s/^patch /vim-patch:/')"
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  fi
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  patch_file="vim-${vim_version}.patch"
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}
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# Patch surgery
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preprocess_patch() {
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  local file="$1"
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  local nvim="nvim -u NORC -i NONE --headless"
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  # Remove Filelist, README
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  local na_files='Filelist\|README.*'
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  2>/dev/null $nvim --cmd 'set dir=/tmp' +'g@^diff --git a/\<\%('"${na_files}"'\)\>@norm! d/\v(^diff)|%$
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' +w +q "$file"
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  # Remove *.proto, Make*, INSTALL*, gui_*, beval.*, some if_*, gvim, libvterm, tee, VisVim, xpm, xxd
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  local na_src='auto\|configure.*\|GvimExt\|libvterm\|proto\|tee\|VisVim\|xpm\|xxd\|Make*\|INSTALL*\|beval.*\|gui_*\|if_lua\|if_mzsch\|if_olepp\|if_ole\|if_perl\|if_py\|if_ruby\|if_tcl\|if_xcmdsrv'
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  2>/dev/null $nvim --cmd 'set dir=/tmp' +'g@^diff --git a/src/\S*\<\%(testdir/\)\@<!\%('"${na_src}"'\)@norm! d/\v(^diff)|%$
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' +w +q "$file"
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  # Remove unwanted Vim doc files.
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  local na_doc='channel\.txt\|netbeans\.txt\|os_\w\+\.txt\|term\.txt\|todo\.txt\|version\d\.txt\|vim9\.txt\|sponsor\.txt\|intro\.txt\|tags'
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  2>/dev/null $nvim --cmd 'set dir=/tmp' +'g@^diff --git a/runtime/doc/\<\%('"${na_doc}"'\)\>@norm! d/\v(^diff)|%$
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' +w +q "$file"
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  # Remove "Last change ..." changes in doc files.
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  2>/dev/null $nvim --cmd 'set dir=/tmp' +'%s/^@@.*\n.*For Vim version.*Last change.*\n.*For Vim version.*Last change.*//' +w +q "$file"
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  # Remove gui, option, setup, screen dumps, testdir/Make_*.mak files
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  local na_src_testdir='gen_opt_test.vim\|gui_.*\|Make_amiga.mak\|Make_dos.mak\|Make_ming.mak\|Make_vms.mms\|dumps/.*.dump\|setup_gui.vim'
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  2>/dev/null $nvim --cmd 'set dir=/tmp' +'g@^diff --git a/src/testdir/\<\%('"${na_src_testdir}"'\)\>@norm! d/\v(^diff)|%$
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' +w +q "$file"
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  # Remove testdir/test_*.vim files
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  local na_src_testdir='balloon.*\|channel.*\|crypt.vim\|gui.*\|job_fails.vim\|json.vim\|mzscheme.vim\|netbeans.*\|paste.vim\|popupwin.*\|restricted.vim\|shortpathname.vim\|tcl.vim\|terminal.*\|xxd.vim'
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  2>/dev/null $nvim --cmd 'set dir=/tmp' +'g@^diff --git a/src/testdir/\<test_\%('"${na_src_testdir}"'\)\>@norm! d/\v(^diff)|%$
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' +w +q "$file"
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  # Remove version.c #7555
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  local na_po='version.c'
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  2>/dev/null $nvim --cmd 'set dir=/tmp' +'g@^diff --git a/src/\<\%('${na_po}'\)\>@norm! d/\v(^diff)|%$
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' +w +q "$file"
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  # Remove some *.po files. #5622
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  local na_po='sjiscorr.c\|ja.sjis.po\|ko.po\|pl.cp1250.po\|pl.po\|ru.cp1251.po\|uk.cp1251.po\|zh_CN.cp936.po\|zh_CN.po\|zh_TW.po'
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  2>/dev/null $nvim --cmd 'set dir=/tmp' +'g@^diff --git a/src/po/\<\%('${na_po}'\)\>@norm! d/\v(^diff)|%$
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' +w +q "$file"
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  # Remove vimrc_example.vim
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  local na_vimrcexample='vimrc_example\.vim'
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  2>/dev/null $nvim --cmd 'set dir=/tmp' +'g@^diff --git a/runtime/\<\%('${na_vimrcexample}'\)\>@norm! d/\v(^diff)|%$
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' +w +q "$file"
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  # Rename src/ paths to src/nvim/
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  LC_ALL=C sed -e 's/\( [ab]\/src\)/\1\/nvim/g' \
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    "$file" > "$file".tmp && mv "$file".tmp "$file"
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  # Rename evalfunc.c to eval/funcs.c
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  LC_ALL=C sed -e 's/\( [ab]\/src\/nvim\)\/evalfunc\.c/\1\/eval\/funcs\.c/g' \
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    "$file" > "$file".tmp && mv "$file".tmp "$file"
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  # Rename userfunc.c to eval/userfunc.c
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  LC_ALL=C sed -e 's/\( [ab]\/src\/nvim\)\/userfunc\.c/\1\/eval\/userfunc\.c/g' \
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    "$file" > "$file".tmp && mv "$file".tmp "$file"
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  # Rename session.c to ex_session.c
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  LC_ALL=C sed -e 's/\( [ab]\/src\/nvim\)\/session\(\.[ch]\)/\1\/ex_session\2/g' \
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    "$file" > "$file".tmp && mv "$file".tmp "$file"
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  # Rename test_urls.vim to check_urls.vim
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  LC_ALL=C sed -e 's@\( [ab]\)/runtime/doc/test\(_urls.vim\)@\1/scripts/check\2@g' \
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    "$file" > "$file".tmp && mv "$file".tmp "$file"
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  # Rename path to check_colors.vim
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  LC_ALL=C sed -e 's@\( [ab]/runtime\)/colors/\(tools/check_colors.vim\)@\1/\2@g' \
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    "$file" > "$file".tmp && mv "$file".tmp "$file"
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}
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get_vimpatch() {
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  get_vim_sources
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  assign_commit_details "${1}"
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  msg_ok "Found Vim revision '${vim_commit}'."
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  local patch_content
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  patch_content="$(git --no-pager show --unified=5 --color=never -1 --pretty=medium "${vim_commit}")"
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  cd "${NVIM_SOURCE_DIR}"
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  printf "Creating patch...\n"
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  echo "$patch_content" > "${NVIM_SOURCE_DIR}/${patch_file}"
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  printf "Pre-processing patch...\n"
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  preprocess_patch "${NVIM_SOURCE_DIR}/${patch_file}"
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  msg_ok "Saved patch to '${NVIM_SOURCE_DIR}/${patch_file}'."
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}
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# shellcheck disable=SC2015
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# ^ "Note that A && B || C is not if-then-else."
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stage_patch() {
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  get_vimpatch "$1"
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  local try_apply="${2:-}"
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  local nvim_remote
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  nvim_remote="$(find_git_remote)"
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  local checked_out_branch
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  checked_out_branch="$(git rev-parse --abbrev-ref HEAD)"
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  if [[ "${checked_out_branch}" == ${BRANCH_PREFIX}* ]]; then
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    msg_ok "Current branch '${checked_out_branch}' seems to be a vim-patch"
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    echo "  branch; not creating a new branch."
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  else
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    printf '\nFetching "%s/master".\n' "${nvim_remote}"
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    output="$(git fetch "${nvim_remote}" master 2>&1)" &&
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      msg_ok "${output}" ||
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      (msg_err "${output}"; false)
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    local nvim_branch="${BRANCH_PREFIX}${vim_version}"
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    echo
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    echo "Creating new branch '${nvim_branch}' based on '${nvim_remote}/master'."
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    cd "${NVIM_SOURCE_DIR}"
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    output="$(git checkout -b "${nvim_branch}" "${nvim_remote}/master" 2>&1)" &&
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      msg_ok "${output}" ||
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      (msg_err "${output}"; false)
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  fi
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  printf "\nCreating empty commit with correct commit message.\n"
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  output="$(commit_message | git commit --allow-empty --file 2>&1 -)" &&
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    msg_ok "${output}" ||
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    (msg_err "${output}"; false)
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  local ret=0
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  if test -n "$try_apply" ; then
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    if ! check_executable patch; then
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      printf "\n"
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      msg_err "'patch' command not found\n"
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    else
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      printf "\nApplying patch...\n"
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      patch -p1 --fuzz=1 --no-backup-if-mismatch < "${patch_file}" || ret=$?
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    fi
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    printf "\nInstructions:\n  Proceed to port the patch.\n"
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  else
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    printf '\nInstructions:\n  Proceed to port the patch.\n  Try the "patch" command (or use "%s -P ..." next time):\n    patch -p1 < %s\n' "${BASENAME}" "${patch_file}"
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  fi
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  printf '
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  Stage your changes ("git add ..."), then use "git commit --amend" to commit.
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  To port more patches (if any) related to %s,
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  run "%s" again.
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    * Do this only for _related_ patches (otherwise it increases the
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      size of the pull request, making it harder to review)
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  When you are done, try "%s -s" to create the pull request.
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  See the wiki for more information:
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    * https://github.com/neovim/neovim/wiki/Merging-patches-from-upstream-vim
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' "${vim_version}" "${BASENAME}" "${BASENAME}"
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  return $ret
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}
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gh_pr() {
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  gh pr create --title "$1" --body "$2"
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}
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git_hub_pr() {
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  local pr_message
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  pr_message="$(printf '%s\n\n%s\n' "$1" "$2")"
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  git hub pull new -m "${pr_message}"
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}
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# shellcheck disable=SC2015
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# ^ "Note that A && B || C is not if-then-else."
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submit_pr() {
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  require_executable git
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  local push_first
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  push_first=1
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  local submit_fn
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  if check_executable gh; then
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    submit_fn="gh_pr"
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  elif check_executable git-hub; then
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    push_first=0
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    submit_fn="git_hub_pr"
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  else
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    >&2 echo "${BASENAME}: 'gh' or 'git-hub' not found in PATH or not executable."
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    >&2 echo "              Get it here: https://cli.github.com/"
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    exit 1
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  fi
 | 
						|
 | 
						|
  cd "${NVIM_SOURCE_DIR}"
 | 
						|
  local checked_out_branch
 | 
						|
  checked_out_branch="$(git rev-parse --abbrev-ref HEAD)"
 | 
						|
  if [[ "${checked_out_branch}" != ${BRANCH_PREFIX}* ]]; then
 | 
						|
    msg_err "Current branch '${checked_out_branch}' doesn't seem to be a vim-patch branch."
 | 
						|
    exit 1
 | 
						|
  fi
 | 
						|
 | 
						|
  local nvim_remote
 | 
						|
  nvim_remote="$(find_git_remote)"
 | 
						|
  local pr_body
 | 
						|
  pr_body="$(git log --grep=vim-patch --reverse --format='#### %s%n%n%b%n' "${nvim_remote}"/master..HEAD)"
 | 
						|
  local patches
 | 
						|
  # Extract just the "vim-patch:X.Y.ZZZZ" or "vim-patch:sha" portion of each log
 | 
						|
  patches=("$(git log --grep=vim-patch --reverse --format='%s' "${nvim_remote}"/master..HEAD | sed 's/: .*//')")
 | 
						|
  # shellcheck disable=SC2206
 | 
						|
  patches=(${patches[@]//vim-patch:}) # Remove 'vim-patch:' prefix for each item in array.
 | 
						|
  local pr_title="${patches[*]}" # Create space-separated string from array.
 | 
						|
  pr_title="${pr_title// /,}" # Replace spaces with commas.
 | 
						|
  pr_title="$(printf 'vim-patch:%s' "${pr_title#,}")"
 | 
						|
 | 
						|
  if [[ $push_first -ne 0 ]]; then
 | 
						|
    local push_remote
 | 
						|
    push_remote="$(git config --get branch."${checked_out_branch}".pushRemote || true)"
 | 
						|
    if [[ -z "$push_remote" ]]; then
 | 
						|
      push_remote="$(git config --get remote.pushDefault || true)"
 | 
						|
      if [[ -z "$push_remote" ]]; then
 | 
						|
        push_remote="$(git config --get branch."${checked_out_branch}".remote || true)"
 | 
						|
        if [[ -z "$push_remote" ]] || [[ "$push_remote" == "$nvim_remote" ]]; then
 | 
						|
          push_remote="$(find_git_remote fork)"
 | 
						|
        fi
 | 
						|
      fi
 | 
						|
    fi
 | 
						|
    echo "Pushing to '${push_remote}/${checked_out_branch}'."
 | 
						|
    output="$(git push "${push_remote}" "${checked_out_branch}" 2>&1)" &&
 | 
						|
      msg_ok "${output}" ||
 | 
						|
      (msg_err "${output}"; false)
 | 
						|
 | 
						|
    echo
 | 
						|
  fi
 | 
						|
 | 
						|
  echo "Creating pull request."
 | 
						|
  output="$(${submit_fn} "${pr_title}" "${pr_body}" 2>&1)" &&
 | 
						|
    msg_ok "${output}" ||
 | 
						|
    (msg_err "${output}"; false)
 | 
						|
 | 
						|
  echo
 | 
						|
  echo "Cleaning up files."
 | 
						|
  local patch_file
 | 
						|
  for patch_file in "${patches[@]}"; do
 | 
						|
    patch_file="vim-${patch_file}.patch"
 | 
						|
    if [[ ! -f "${NVIM_SOURCE_DIR}/${patch_file}" ]]; then
 | 
						|
      continue
 | 
						|
    fi
 | 
						|
    rm -- "${NVIM_SOURCE_DIR}/${patch_file}"
 | 
						|
    msg_ok "Removed '${NVIM_SOURCE_DIR}/${patch_file}'."
 | 
						|
  done
 | 
						|
}
 | 
						|
 | 
						|
# Gets all Vim commits since the "start" commit.
 | 
						|
list_vim_commits() { (
 | 
						|
  cd "${VIM_SOURCE_DIR}" && git log --reverse v8.0.0000..HEAD "$@"
 | 
						|
) }
 | 
						|
 | 
						|
# Prints all (sorted) "vim-patch:xxx" tokens found in the Nvim git log.
 | 
						|
list_vimpatch_tokens() {
 | 
						|
  # Use sed…{7,7} to normalize (internal) Git hashes (for tokens caches).
 | 
						|
  git -C "${NVIM_SOURCE_DIR}" log -E --grep='vim-patch:[^ ,{]{7,}' \
 | 
						|
    | grep -oE 'vim-patch:[^ ,{:]{7,}' \
 | 
						|
    | sort \
 | 
						|
    | uniq \
 | 
						|
    | sed -nE 's/^(vim-patch:([0-9]+\.[^ ]+|[0-9a-z]{7,7})).*/\1/p'
 | 
						|
}
 | 
						|
 | 
						|
# Prints all patch-numbers (for the current v:version) for which there is
 | 
						|
# a "vim-patch:xxx" token in the Nvim git log.
 | 
						|
list_vimpatch_numbers() {
 | 
						|
  # Transform "vim-patch:X.Y.ZZZZ" to "ZZZZ".
 | 
						|
  list_vimpatch_tokens | while read -r vimpatch_token; do
 | 
						|
    echo "$vimpatch_token" | grep '8\.0\.' | sed 's/.*vim-patch:8\.0\.\([0-9a-z]\+\).*/\1/'
 | 
						|
  done
 | 
						|
}
 | 
						|
 | 
						|
declare -A tokens
 | 
						|
declare -A vim_commit_tags
 | 
						|
 | 
						|
_set_tokens_and_tags() {
 | 
						|
  set +u  # Avoid "unbound variable" with bash < 4.4 below.
 | 
						|
  if [[ -n "${tokens[*]}" ]]; then
 | 
						|
    return
 | 
						|
  fi
 | 
						|
  set -u
 | 
						|
 | 
						|
  # Find all "vim-patch:xxx" tokens in the Nvim git log.
 | 
						|
  for token in $(list_vimpatch_tokens); do
 | 
						|
    tokens[$token]=1
 | 
						|
  done
 | 
						|
 | 
						|
  # Create an associative array mapping Vim commits to tags.
 | 
						|
  eval "vim_commit_tags=(
 | 
						|
    $(git -C "${VIM_SOURCE_DIR}" for-each-ref refs/tags \
 | 
						|
      --format '[%(objectname)]=%(refname:strip=2)' \
 | 
						|
      --sort='-*authordate' \
 | 
						|
      --shell)
 | 
						|
  )"
 | 
						|
  # Exit in case of errors from the above eval (empty vim_commit_tags).
 | 
						|
  if ! (( "${#vim_commit_tags[@]}" )); then
 | 
						|
    msg_err "Could not get Vim commits/tags."
 | 
						|
    exit 1
 | 
						|
  fi
 | 
						|
}
 | 
						|
 | 
						|
# Prints a newline-delimited list of Vim commits, for use by scripts.
 | 
						|
# "$1": use extended format? (with subject)
 | 
						|
# "$@" is passed to list_vim_commits, as extra arguments to git-log.
 | 
						|
list_missing_vimpatches() {
 | 
						|
  local -a missing_vim_patches=()
 | 
						|
  _set_missing_vimpatches "$@"
 | 
						|
  set +u  # Avoid "unbound variable" with bash < 4.4 below.
 | 
						|
  for line in "${missing_vim_patches[@]}"; do
 | 
						|
    printf '%s\n' "$line"
 | 
						|
  done
 | 
						|
  set -u
 | 
						|
}
 | 
						|
 | 
						|
# Sets / appends to missing_vim_patches (useful to avoid a subshell when
 | 
						|
# used multiple times to cache tokens/vim_commit_tags).
 | 
						|
# "$1": use extended format? (with subject)
 | 
						|
# "$@": extra arguments to git-log.
 | 
						|
_set_missing_vimpatches() {
 | 
						|
  local token vim_commit vim_tag patch_number
 | 
						|
  declare -a git_log_args
 | 
						|
 | 
						|
  local extended_format=$1; shift
 | 
						|
  if [[ "$extended_format" == 1 ]]; then
 | 
						|
    git_log_args=("--format=%H %s")
 | 
						|
  else
 | 
						|
    git_log_args=("--format=%H")
 | 
						|
  fi
 | 
						|
 | 
						|
  # Massage arguments for git-log.
 | 
						|
  declare -A git_log_replacements=(
 | 
						|
    [^\(.*/\)?src/nvim/\(.*\)]="\${BASH_REMATCH[1]}src/\${BASH_REMATCH[2]}"
 | 
						|
    [^\(.*/\)?\.vim-src/\(.*\)]="\${BASH_REMATCH[2]}"
 | 
						|
  )
 | 
						|
  local i j
 | 
						|
  for i in "$@"; do
 | 
						|
    for j in "${!git_log_replacements[@]}"; do
 | 
						|
      if [[ "$i" =~ $j ]]; then
 | 
						|
        eval "git_log_args+=(${git_log_replacements[$j]})"
 | 
						|
        continue 2
 | 
						|
      fi
 | 
						|
    done
 | 
						|
    git_log_args+=("$i")
 | 
						|
  done
 | 
						|
 | 
						|
  _set_tokens_and_tags
 | 
						|
 | 
						|
  # Get missing Vim commits
 | 
						|
  set +u  # Avoid "unbound variable" with bash < 4.4 below.
 | 
						|
  local vim_commit info
 | 
						|
  while IFS=' ' read -r line; do
 | 
						|
    # Check for vim-patch:<commit_hash> (usually runtime updates).
 | 
						|
    token="vim-patch:${line:0:7}"
 | 
						|
    if [[ "${tokens[$token]-}" ]]; then
 | 
						|
      continue
 | 
						|
    fi
 | 
						|
 | 
						|
    # Get commit hash, and optional info from line.  This is used in
 | 
						|
    # extended mode, and when using e.g. '--format' manually.
 | 
						|
    vim_commit=${line%% *}
 | 
						|
    if [[ "$vim_commit" == "$line" ]]; then
 | 
						|
      info=
 | 
						|
    else
 | 
						|
      info=${line#* }
 | 
						|
      if [[ -n $info ]]; then
 | 
						|
        # Remove any "patch 8.0.0902: " prefixes, and prefix with ": ".
 | 
						|
        info=": ${info#patch*: }"
 | 
						|
      fi
 | 
						|
    fi
 | 
						|
 | 
						|
    vim_tag="${vim_commit_tags[$vim_commit]-}"
 | 
						|
    if [[ -n "$vim_tag" ]]; then
 | 
						|
      # Check for vim-patch:<tag> (not commit hash).
 | 
						|
      patch_number="vim-patch:${vim_tag:1}" # "v7.4.0001" => "7.4.0001"
 | 
						|
      if [[ "${tokens[$patch_number]-}" ]]; then
 | 
						|
        continue
 | 
						|
      fi
 | 
						|
      missing_vim_patches+=("$vim_tag$info")
 | 
						|
    else
 | 
						|
      missing_vim_patches+=("$vim_commit$info")
 | 
						|
    fi
 | 
						|
  done < <(list_vim_commits "${git_log_args[@]}")
 | 
						|
  set -u
 | 
						|
}
 | 
						|
 | 
						|
# Prints a human-formatted list of Vim commits, with instructional messages.
 | 
						|
# Passes "$@" onto list_missing_vimpatches (args for git-log).
 | 
						|
show_vimpatches() {
 | 
						|
  get_vim_sources update
 | 
						|
  printf "Vim patches missing from Neovim:\n"
 | 
						|
 | 
						|
  local -A runtime_commits
 | 
						|
  for commit in $(git -C "${VIM_SOURCE_DIR}" log --format="%H %D" -- runtime | sed 's/,\? tag: / /g'); do
 | 
						|
    runtime_commits[$commit]=1
 | 
						|
  done
 | 
						|
 | 
						|
  list_missing_vimpatches 1 "$@" | while read -r vim_commit; do
 | 
						|
    if [[ "${runtime_commits[$vim_commit]-}" ]]; then
 | 
						|
      printf '  • %s (+runtime)\n' "${vim_commit}"
 | 
						|
    else
 | 
						|
      printf '  • %s\n' "${vim_commit}"
 | 
						|
    fi
 | 
						|
  done
 | 
						|
 | 
						|
  cat << EOF
 | 
						|
 | 
						|
Instructions:
 | 
						|
  To port one of the above patches to Neovim, execute this script with the patch revision as argument and follow the instructions, e.g.
 | 
						|
  '${BASENAME} -p v8.0.1234', or '${BASENAME} -P v8.0.1234'
 | 
						|
 | 
						|
  NOTE: Please port the _oldest_ patch if you possibly can.
 | 
						|
        You can use '${BASENAME} -l path/to/file' to see what patches are missing for a file.
 | 
						|
EOF
 | 
						|
}
 | 
						|
 | 
						|
list_missing_previous_vimpatches_for_patch() {
 | 
						|
  local for_vim_patch="${1}"
 | 
						|
  local vim_commit vim_tag
 | 
						|
  assign_commit_details "${for_vim_patch}"
 | 
						|
 | 
						|
  local file
 | 
						|
  local -a missing_list
 | 
						|
  local -a fnames
 | 
						|
  while IFS= read -r line ; do
 | 
						|
    fnames+=("$line")
 | 
						|
  done < <(git -C "${VIM_SOURCE_DIR}" diff-tree --no-commit-id --name-only -r "${vim_commit}" -- . ':!src/version.c')
 | 
						|
  local i=0
 | 
						|
  local n=${#fnames[@]}
 | 
						|
  printf '=== getting missing patches for %d files ===\n' "$n"
 | 
						|
  if [[ -z "${vim_tag}" ]]; then
 | 
						|
    printf 'NOTE: "%s" is not a Vim tag - listing all oldest missing patches\n' "${for_vim_patch}" >&2
 | 
						|
  fi
 | 
						|
  for fname in "${fnames[@]}"; do
 | 
						|
    i=$(( i+1 ))
 | 
						|
    printf '[%.*d/%d] %s: ' "${#n}" "$i" "$n" "$fname"
 | 
						|
 | 
						|
    local -a missing_vim_patches=()
 | 
						|
    _set_missing_vimpatches 1 -- "${fname}"
 | 
						|
 | 
						|
    set +u  # Avoid "unbound variable" with bash < 4.4 below.
 | 
						|
    for missing_vim_commit_info in "${missing_vim_patches[@]}"; do
 | 
						|
      if [[ -z "${missing_vim_commit_info}" ]]; then
 | 
						|
        printf -- "-\r"
 | 
						|
      else
 | 
						|
        printf -- "-\r"
 | 
						|
        local missing_vim_commit="${missing_vim_commit_info%%:*}"
 | 
						|
        if [[ -z "${vim_tag}" ]] || [[ "${missing_vim_commit}" < "${vim_tag}" ]]; then
 | 
						|
          printf -- "%s\n" "$missing_vim_commit_info"
 | 
						|
          missing_list+=("$missing_vim_commit_info")
 | 
						|
        else
 | 
						|
          printf -- "-\r"
 | 
						|
        fi
 | 
						|
      fi
 | 
						|
    done
 | 
						|
    set -u
 | 
						|
  done
 | 
						|
 | 
						|
  set +u  # Avoid "unbound variable" with bash < 4.4 below.
 | 
						|
  if [[ -z "${missing_list[*]}" ]]; then
 | 
						|
    msg_ok 'no missing previous Vim patches'
 | 
						|
    set -u
 | 
						|
    return 0
 | 
						|
  fi
 | 
						|
  set -u
 | 
						|
 | 
						|
  local -a missing_unique
 | 
						|
  local stat
 | 
						|
  while IFS= read -r line; do
 | 
						|
    local commit="${line%%:*}"
 | 
						|
    stat="$(git -C "${VIM_SOURCE_DIR}" show --format= --shortstat "${commit}")"
 | 
						|
    missing_unique+=("$(printf '%s\n  %s' "$line" "$stat")")
 | 
						|
  done < <(printf '%s\n' "${missing_list[@]}" | sort -u)
 | 
						|
 | 
						|
  msg_err "$(printf '%d missing previous Vim patches:' ${#missing_unique[@]})"
 | 
						|
  printf ' - %s\n' "${missing_unique[@]}"
 | 
						|
  return 1
 | 
						|
}
 | 
						|
 | 
						|
review_commit() {
 | 
						|
  local nvim_commit_url="${1}"
 | 
						|
  local nvim_patch_url="${nvim_commit_url}.patch"
 | 
						|
 | 
						|
  local git_patch_prefix='Subject: \[PATCH\] '
 | 
						|
  local nvim_patch
 | 
						|
  nvim_patch="$(curl -Ssf "${nvim_patch_url}")"
 | 
						|
  local vim_version
 | 
						|
  vim_version="$(head -n 4 <<< "${nvim_patch}" | sed -n 's/'"${git_patch_prefix}"'vim-patch:\([a-z0-9.]*\)\(:.*\)\{0,1\}$/\1/p')"
 | 
						|
 | 
						|
  echo
 | 
						|
  if [[ -n "${vim_version}" ]]; then
 | 
						|
    msg_ok "Detected Vim patch '${vim_version}'."
 | 
						|
  else
 | 
						|
    msg_err "Could not detect the Vim patch number."
 | 
						|
    echo "  This script assumes that the PR contains only commits"
 | 
						|
    echo "  with 'vim-patch:XXX' in their title."
 | 
						|
    echo
 | 
						|
    printf -- '%s\n\n' "$(head -n 4 <<< "${nvim_patch}")"
 | 
						|
    local reply
 | 
						|
    read -p "Continue reviewing (y/N)? " -n 1 -r reply
 | 
						|
    if [[ "${reply}" == y ]]; then
 | 
						|
      echo
 | 
						|
      return
 | 
						|
    fi
 | 
						|
    exit 1
 | 
						|
  fi
 | 
						|
 | 
						|
  assign_commit_details "${vim_version}"
 | 
						|
 | 
						|
  echo
 | 
						|
  echo "Creating files."
 | 
						|
  echo "${nvim_patch}" > "${NVIM_SOURCE_DIR}/n${patch_file}"
 | 
						|
  msg_ok "Saved pull request diff to '${NVIM_SOURCE_DIR}/n${patch_file}'."
 | 
						|
  CREATED_FILES+=("${NVIM_SOURCE_DIR}/n${patch_file}")
 | 
						|
 | 
						|
  local nvim="nvim -u NORC -n -i NONE --headless"
 | 
						|
  2>/dev/null $nvim --cmd 'set dir=/tmp' +'1,/^$/g/^ /-1join' +w +q "${NVIM_SOURCE_DIR}/n${patch_file}"
 | 
						|
 | 
						|
  local expected_commit_message
 | 
						|
  expected_commit_message="$(commit_message)"
 | 
						|
  local message_length
 | 
						|
  message_length="$(wc -l <<< "${expected_commit_message}")"
 | 
						|
  local commit_message
 | 
						|
  commit_message="$(tail -n +4 "${NVIM_SOURCE_DIR}/n${patch_file}" | head -n "${message_length}")"
 | 
						|
  if [[ "${commit_message#${git_patch_prefix}}" == "${expected_commit_message}" ]]; then
 | 
						|
    msg_ok "Found expected commit message."
 | 
						|
  else
 | 
						|
    msg_err "Wrong commit message."
 | 
						|
    echo "  Expected:"
 | 
						|
    echo "${expected_commit_message}"
 | 
						|
    echo "  Actual:"
 | 
						|
    echo "${commit_message#${git_patch_prefix}}"
 | 
						|
  fi
 | 
						|
 | 
						|
  get_vimpatch "${vim_version}"
 | 
						|
  CREATED_FILES+=("${NVIM_SOURCE_DIR}/${patch_file}")
 | 
						|
 | 
						|
  echo
 | 
						|
  echo "Launching nvim."
 | 
						|
  nvim -c "cd ${NVIM_SOURCE_DIR}" \
 | 
						|
    -O "${NVIM_SOURCE_DIR}/${patch_file}" "${NVIM_SOURCE_DIR}/n${patch_file}"
 | 
						|
}
 | 
						|
 | 
						|
review_pr() {
 | 
						|
  require_executable curl
 | 
						|
  require_executable nvim
 | 
						|
  require_executable jq
 | 
						|
 | 
						|
  get_vim_sources
 | 
						|
 | 
						|
  local pr="${1}"
 | 
						|
  echo
 | 
						|
  echo "Downloading data for pull request #${pr}."
 | 
						|
 | 
						|
  local -a pr_commit_urls
 | 
						|
  while IFS= read -r pr_commit_url; do
 | 
						|
    pr_commit_urls+=("$pr_commit_url")
 | 
						|
  done < <(curl -Ssf "https://api.github.com/repos/neovim/neovim/pulls/${pr}/commits" \
 | 
						|
    | jq -r '.[].html_url')
 | 
						|
 | 
						|
  echo "Found ${#pr_commit_urls[@]} commit(s)."
 | 
						|
 | 
						|
  local pr_commit_url
 | 
						|
  local reply
 | 
						|
  for pr_commit_url in "${pr_commit_urls[@]}"; do
 | 
						|
    review_commit "${pr_commit_url}"
 | 
						|
    if [[ "${pr_commit_url}" != "${pr_commit_urls[-1]}" ]]; then
 | 
						|
      read -p "Continue with next commit (Y/n)? " -n 1 -r reply
 | 
						|
      echo
 | 
						|
      if [[ "${reply}" == n ]]; then
 | 
						|
        break
 | 
						|
      fi
 | 
						|
    fi
 | 
						|
  done
 | 
						|
 | 
						|
  clean_files
 | 
						|
}
 | 
						|
 | 
						|
while getopts "hlLmMVp:P:g:r:s" opt; do
 | 
						|
  case ${opt} in
 | 
						|
    h)
 | 
						|
      usage
 | 
						|
      exit 0
 | 
						|
      ;;
 | 
						|
    l)
 | 
						|
      shift  # remove opt
 | 
						|
      show_vimpatches "$@"
 | 
						|
      exit 0
 | 
						|
      ;;
 | 
						|
    L)
 | 
						|
      shift  # remove opt
 | 
						|
      list_missing_vimpatches 0 "$@"
 | 
						|
      exit 0
 | 
						|
      ;;
 | 
						|
    M)
 | 
						|
      list_vimpatch_numbers
 | 
						|
      exit 0
 | 
						|
      ;;
 | 
						|
    m)
 | 
						|
      shift  # remove opt
 | 
						|
      list_missing_previous_vimpatches_for_patch "$@"
 | 
						|
      exit 0
 | 
						|
      ;;
 | 
						|
    p)
 | 
						|
      stage_patch "${OPTARG}"
 | 
						|
      exit
 | 
						|
      ;;
 | 
						|
    P)
 | 
						|
      stage_patch "${OPTARG}" TRY_APPLY
 | 
						|
      exit 0
 | 
						|
      ;;
 | 
						|
    g)
 | 
						|
      get_vimpatch "${OPTARG}"
 | 
						|
      exit 0
 | 
						|
      ;;
 | 
						|
    r)
 | 
						|
      review_pr "${OPTARG}"
 | 
						|
      exit 0
 | 
						|
      ;;
 | 
						|
    s)
 | 
						|
      submit_pr
 | 
						|
      exit 0
 | 
						|
      ;;
 | 
						|
    V)
 | 
						|
      get_vim_sources update
 | 
						|
      exit 0
 | 
						|
      ;;
 | 
						|
    *)
 | 
						|
      exit 1
 | 
						|
      ;;
 | 
						|
  esac
 | 
						|
done
 | 
						|
 | 
						|
usage
 | 
						|
 | 
						|
# vim: et sw=2
 |