mirror of
https://github.com/neovim/neovim.git
synced 2024-12-19 18:55:14 -07:00
570 lines
17 KiB
Bash
Executable File
570 lines
17 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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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:-${VIM_SOURCE_DIR_DEFAULT}}"
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readonly BASENAME="$(basename "${0}")"
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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 List missing Vim patches."
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echo " -L List missing Vim patches (for scripts)."
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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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}
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msg_ok() {
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printf '\e[32m✔\e[0m %s\n' "$@"
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}
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msg_err() {
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printf '\e[31m✘\e[0m %s\n' "$@"
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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 "${VIM_SOURCE_DIR}"
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else
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cd "${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: ${VIM_SOURCE_DIR}"
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git pull --ff &&
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msg_ok "Updated Vim sources." ||
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msg_err "Could not update Vim sources; ignoring error."
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fi
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}
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commit_message() {
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if [[ -n "$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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git remote -v \
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| awk '$2 ~ /github.com[:\/]neovim\/neovim/ && $3 == "(fetch)" {print $1; exit}'
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}
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assign_commit_details() {
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if [[ ${1} =~ [0-9]\.[0-9]\.[0-9]{3,4} ]]; then
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# Interpret parameter as version number (tag).
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vim_version="${1}"
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vim_tag="v${1}"
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vim_commit=$(cd "${VIM_SOURCE_DIR}" \
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&& git log -1 --format="%H" "${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="${1:0:12}"
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vim_tag=
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vim_commit=$(cd "${VIM_SOURCE_DIR}" \
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&& git log -1 --format="%H" "${vim_version}")
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local munge_commit_line=false
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fi
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vim_commit_url="https://github.com/vim/vim/commit/${vim_commit}"
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vim_message="$(cd "${VIM_SOURCE_DIR}" \
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&& git log -1 --pretty='format:%B' "${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 *.proto, Make*, gui_*, some if_*
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local na_src='proto\|Make*\|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\|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 screen dumps, testdir/Make_*.mak files
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local na_src_testdir='Make_amiga.mak\|Make_dos.mak\|Make_ming.mak\|Make_vms.mms\|dumps/.*.dump'
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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 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 path to matchit plugin.
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LC_ALL=C sed -e 's@\( [ab]/runtime\)/pack/dist/opt/matchit/\(plugin/matchit.vim\)@\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 "${1}"
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git log -1 "${vim_commit}" -- >/dev/null 2>&1 || {
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>&2 msg_err "Couldn't find Vim revision '${vim_commit}'."
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exit 3
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}
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msg_ok "Found Vim revision '${vim_commit}'."
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local patch_content
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patch_content="$(git --no-pager show --color=never -1 --pretty=medium "${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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stage_patch() {
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get_vimpatch "$1"
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local try_apply="${2:-}"
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local git_remote
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git_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' "${git_remote}"
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output="$(git fetch "${git_remote}" master 2>&1)" &&
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msg_ok "${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 '${git_remote}/master'."
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cd "${NVIM_SOURCE_DIR}"
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output="$(git checkout -b "${nvim_branch}" "${git_remote}/master" 2>&1)" &&
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msg_ok "${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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if test -n "$try_apply" ; then
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if ! check_executable patch; then
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printf "\n"
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msg_err "'patch' command not found\n"
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else
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printf "\nApplying patch...\n"
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patch -p1 < "${patch_file}" || true
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find . -name '*.orig' -type f -delete
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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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}
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hub_pr() {
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hub pull-request -m "$1"
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}
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git_hub_pr() {
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git hub pull new -m "$1"
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}
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submit_pr() {
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require_executable git
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local push_first
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push_first=1
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local submit_fn
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if check_executable hub; then
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submit_fn="hub_pr"
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elif check_executable git-hub; then
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push_first=0
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submit_fn="git_hub_pr"
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else
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>&2 echo "${BASENAME}: 'hub' or 'git-hub' not found in PATH or not executable."
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exit 1
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fi
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cd "${NVIM_SOURCE_DIR}"
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local checked_out_branch
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checked_out_branch="$(git rev-parse --abbrev-ref HEAD)"
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if [[ "${checked_out_branch}" != ${BRANCH_PREFIX}* ]]; then
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msg_err "Current branch '${checked_out_branch}' doesn't seem to be a vim-patch branch."
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exit 1
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fi
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local git_remote
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git_remote="$(find_git_remote)"
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local pr_body
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pr_body="$(git log --grep=vim-patch --reverse --format='#### %s%n%n%b%n' "${git_remote}"/master..HEAD)"
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local patches
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# Extract just the "vim-patch:X.Y.ZZZZ" or "vim-patch:sha" portion of each log
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patches=("$(git log --grep=vim-patch --reverse --format='%s' "${git_remote}"/master..HEAD | sed 's/: .*//')")
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patches=(${patches[@]//vim-patch:}) # Remove 'vim-patch:' prefix for each item in array.
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local pr_title="${patches[*]}" # Create space-separated string from array.
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pr_title="${pr_title// /,}" # Replace spaces with commas.
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local pr_message
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pr_message="$(printf '[RFC] vim-patch:%s\n\n%s\n' "${pr_title#,}" "${pr_body}")"
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if [[ $push_first -ne 0 ]]; then
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echo "Pushing to 'origin/${checked_out_branch}'."
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output="$(git push origin "${checked_out_branch}" 2>&1)" &&
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msg_ok "${output}" ||
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(msg_err "${output}"; false)
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echo
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fi
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echo "Creating pull request."
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output="$(${submit_fn} "${pr_message}" 2>&1)" &&
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msg_ok "${output}" ||
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(msg_err "${output}"; false)
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echo
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echo "Cleaning up files."
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local patch_file
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for patch_file in "${patches[@]}"; do
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patch_file="vim-${patch_file}.patch"
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if [[ ! -f "${NVIM_SOURCE_DIR}/${patch_file}" ]]; then
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continue
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fi
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rm -- "${NVIM_SOURCE_DIR}/${patch_file}"
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msg_ok "Removed '${NVIM_SOURCE_DIR}/${patch_file}'."
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done
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}
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# Gets all Vim commits since the "start" commit.
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list_vim_commits() { (
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cd "${VIM_SOURCE_DIR}" && git log --reverse --format='%H' v8.0.0000..HEAD
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) }
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# Prints all (sorted) "vim-patch:xxx" tokens found in the Nvim git log.
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list_vimpatch_tokens() {
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local tokens
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# Find all "vim-patch:xxx" tokens in the Nvim git log.
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tokens="$(cd "${NVIM_SOURCE_DIR}" && git log -E --grep='vim-patch:[^ ]+' | grep 'vim-patch')"
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echo "$tokens" | grep -E 'vim-patch:[^ ,{]{7,}' \
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| sed 's/.*\(vim-patch:[.0-9a-z]\+\).*/\1/' \
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| sort \
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| uniq
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}
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# Prints all patch-numbers (for the current v:version) for which there is
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# a "vim-patch:xxx" token in the Nvim git log.
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list_vimpatch_numbers() {
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# Transform "vim-patch:X.Y.ZZZZ" to "ZZZZ".
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list_vimpatch_tokens | while read vimpatch_token; do
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echo "$vimpatch_token" | grep '8\.0\.' | sed 's/.*vim-patch:8\.0\.\([0-9a-z]\+\).*/\1/'
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done
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}
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# Prints a newline-delimited list of Vim commits, for use by scripts.
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list_missing_vimpatches() {
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local tokens vim_commit vim_commits is_missing vim_tag patch_number
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# Find all "vim-patch:xxx" tokens in the Nvim git log.
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tokens="$(list_vimpatch_tokens)"
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# Get missing Vim commits
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vim_commits="$(list_vim_commits)"
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for vim_commit in ${vim_commits}; do
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# Check for vim-patch:<commit_hash> (usually runtime updates).
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is_missing="$(echo "$tokens" | >/dev/null 2>&1 grep "vim\-patch:${vim_commit:0:7}" && echo false || echo true)"
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if ! [ "$is_missing" = "false" ] \
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&& vim_tag="$(cd "${VIM_SOURCE_DIR}" && git describe --tags --exact-match "${vim_commit}" 2>/dev/null)"
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then
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# Vim version number (not commit hash).
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# Check for vim-patch:<tag> (not commit hash).
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patch_number="${vim_tag:1}" # "v7.4.0001" => "7.4.0001"
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is_missing="$(echo "$tokens" | >/dev/null 2>&1 grep "vim\-patch:${patch_number}" && echo false || echo true)"
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vim_commit="${vim_tag#v}"
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fi
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if ! [ "$is_missing" = "false" ]; then
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echo "${vim_commit}"
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fi
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done
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}
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# Prints a human-formatted list of Vim commits, with instructional messages.
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show_vimpatches() {
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get_vim_sources
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printf "\nVim patches missing from Neovim:\n"
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list_missing_vimpatches | while read vim_commit; do
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if (cd "${VIM_SOURCE_DIR}" && git --no-pager show --color=never --name-only "v${vim_commit}" 2>/dev/null) | grep -q ^runtime; then
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printf ' • %s (+runtime)\n' "${vim_commit}"
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else
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printf ' • %s\n' "${vim_commit}"
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fi
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done
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printf "Instructions:
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To port one of the above patches to Neovim, execute
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this script with the patch revision as argument and
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follow the instructions.
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Examples: '%s -p 7.4.487'
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'%s -p 1e8ebf870720e7b671f98f22d653009826304c4f'
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NOTE: Please port the _oldest_ patch if you possibly can.
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Out-of-order patches increase the possibility of bugs.
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" "${BASENAME}" "${BASENAME}"
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}
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review_commit() {
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local nvim_commit_url="${1}"
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local nvim_patch_url="${nvim_commit_url}.patch"
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local git_patch_prefix='Subject: \[PATCH\] '
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local nvim_patch
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nvim_patch="$(curl -Ssf "${nvim_patch_url}")"
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local vim_version
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vim_version="$(head -n 4 <<< "${nvim_patch}" | sed -n 's/'"${git_patch_prefix}"'vim-patch:\([a-z0-9.]*\)\(:.*\)\{0,1\}$/\1/p')"
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echo
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if [[ -n "${vim_version}" ]]; then
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msg_ok "Detected Vim patch '${vim_version}'."
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else
|
|
msg_err "Could not detect the Vim patch number."
|
|
echo " This script assumes that the PR contains only commits"
|
|
echo " with 'vim-patch:XXX' in their title."
|
|
echo
|
|
printf -- '%s\n\n' "$(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 #${pr}."
|
|
|
|
local pr_commit_urls=($(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 "hlLMVp:P:g:r:s" opt; do
|
|
case ${opt} in
|
|
h)
|
|
usage
|
|
exit 0
|
|
;;
|
|
l)
|
|
show_vimpatches
|
|
exit 0
|
|
;;
|
|
L)
|
|
list_missing_vimpatches
|
|
exit 0
|
|
;;
|
|
M)
|
|
list_vimpatch_numbers
|
|
exit 0
|
|
;;
|
|
p)
|
|
stage_patch "${OPTARG}"
|
|
exit 0
|
|
;;
|
|
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
|
|
exit 0
|
|
;;
|
|
*)
|
|
exit 1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
usage
|
|
|
|
# vim: et sw=2
|