mirror of
https://github.com/neovim/neovim.git
synced 2024-12-29 14:41:06 -07:00
284 lines
9.0 KiB
Bash
Executable File
284 lines
9.0 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
set -e
|
|
set -u
|
|
set -o pipefail
|
|
|
|
readonly NEOVIM_SOURCE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
|
|
readonly VIM_SOURCE_DIR_DEFAULT=${NEOVIM_SOURCE_DIR}/.vim-src
|
|
readonly VIM_SOURCE_DIR="${VIM_SOURCE_DIR:-${VIM_SOURCE_DIR_DEFAULT}}"
|
|
readonly BASENAME="$(basename "${0}")"
|
|
|
|
usage() {
|
|
echo "Helper script for porting Vim patches. For more information, see"
|
|
echo "https://github.com/neovim/neovim/wiki/Merging-patches-from-upstream-vim"
|
|
echo
|
|
echo "Usage: ${BASENAME} [-h | -l | -p vim-revision | -r pr-number]"
|
|
echo
|
|
echo "Options:"
|
|
echo " -h Show this message and exit."
|
|
echo " -l Show list of Vim patches missing from Neovim."
|
|
echo " -p {vim-revision} Download and apply the Vim patch vim-revision."
|
|
echo " vim-revision can be a version number of the "
|
|
echo " format '7.4.xxx' or a Git commit hash."
|
|
echo " -r {pr-number} Review a vim-patch pull request to Neovim."
|
|
echo
|
|
echo "Set VIM_SOURCE_DIR to change where Vim's sources are stored."
|
|
echo "The default is '${VIM_SOURCE_DIR_DEFAULT}'."
|
|
}
|
|
|
|
# Checks if a program is in the user's PATH, and is executable.
|
|
check_executable() {
|
|
if [[ ! -x $(command -v "${1}") ]]; then
|
|
>&2 echo "${BASENAME}: '${1}' not found in PATH or not executable."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
get_vim_sources() {
|
|
check_executable git
|
|
|
|
if [[ ! -d ${VIM_SOURCE_DIR} ]]; then
|
|
echo "Cloning Vim sources into '${VIM_SOURCE_DIR}'."
|
|
git clone --depth=1000 https://github.com/vim/vim.git "${VIM_SOURCE_DIR}"
|
|
cd "${VIM_SOURCE_DIR}"
|
|
else
|
|
if [[ ! -d "${VIM_SOURCE_DIR}/.git" ]]; then
|
|
echo "✘ ${VIM_SOURCE_DIR} does not appear to be a git repository."
|
|
echo " Please remove it and try again."
|
|
exit 1
|
|
fi
|
|
cd "${VIM_SOURCE_DIR}"
|
|
echo "Updating Vim sources in '${VIM_SOURCE_DIR}'."
|
|
git pull &&
|
|
echo "✔ Updated Vim sources." ||
|
|
echo "✘ Could not update Vim sources; ignoring error."
|
|
fi
|
|
}
|
|
|
|
commit_message() {
|
|
printf 'vim-patch:%s\n\n%s\n\n%s' "${vim_version}" \
|
|
"${vim_message}" "${vim_commit_url}"
|
|
}
|
|
|
|
assign_commit_details() {
|
|
if [[ ${1} =~ [0-9]\.[0-9]\.[0-9]{3,4} ]]; then
|
|
# Interpret parameter as version number (tag).
|
|
vim_version="${1}"
|
|
vim_tag="v${1}"
|
|
vim_commit=$( cd "${VIM_SOURCE_DIR}" \
|
|
&& git log -1 --format="%H" ${vim_tag} )
|
|
local strip_commit_line=true
|
|
else
|
|
# Interpret parameter as commit hash.
|
|
vim_version="${1:0:7}"
|
|
vim_commit="${1}"
|
|
local strip_commit_line=false
|
|
fi
|
|
|
|
vim_commit_url="https://github.com/vim/vim/commit/${vim_commit}"
|
|
vim_message="$(git log -1 --pretty='format:%B' "${vim_commit}")"
|
|
if [[ ${strip_commit_line} == "true" ]]; then
|
|
# Remove first line of commit message.
|
|
vim_message="$(echo "${vim_message}" | sed -e '1d')"
|
|
fi
|
|
}
|
|
|
|
get_vim_patch() {
|
|
get_vim_sources
|
|
|
|
assign_commit_details "${1}"
|
|
|
|
git log -1 "${vim_commit}" -- >/dev/null 2>&1 || {
|
|
>&2 echo "✘ Couldn't find Vim revision '${vim_commit}'."
|
|
exit 3
|
|
}
|
|
echo
|
|
echo "✔ Found Vim revision '${vim_commit}'."
|
|
|
|
# Collect patch details and store into variables.
|
|
vim_full="$(git show -1 --pretty=medium "${vim_commit}")"
|
|
# Patch surgery: preprocess the patch.
|
|
# - transform src/ paths to src/nvim/
|
|
vim_diff="$(git show -1 "${vim_commit}" \
|
|
| LC_ALL=C sed -e 's/\( [ab]\/src\)/\1\/nvim/g')"
|
|
neovim_message="$(commit_message)"
|
|
neovim_pr="
|
|
\`\`\`
|
|
${vim_message}
|
|
\`\`\`
|
|
|
|
${vim_commit_url}
|
|
|
|
Original patch:
|
|
|
|
\`\`\`diff
|
|
${vim_diff}
|
|
\`\`\`"
|
|
neovim_branch="vim-${vim_version}"
|
|
|
|
echo
|
|
echo "Creating Git branch."
|
|
cd "${NEOVIM_SOURCE_DIR}"
|
|
output="$(git checkout -b "${neovim_branch}" 2>&1)" &&
|
|
echo "✔ ${output}" ||
|
|
(echo "✘ ${output}"; false)
|
|
|
|
echo
|
|
echo "Creating empty commit with correct commit message."
|
|
output="$(git commit --allow-empty --file 2>&1 - <<< "${neovim_message}")" &&
|
|
echo "✔ ${output}" ||
|
|
(echo "✘ ${output}"; false)
|
|
|
|
echo
|
|
echo "Creating files."
|
|
echo "${vim_diff}" > "${NEOVIM_SOURCE_DIR}/${neovim_branch}.diff"
|
|
echo "✔ Saved diff to '${NEOVIM_SOURCE_DIR}/${neovim_branch}.diff'."
|
|
echo "${vim_full}" > "${NEOVIM_SOURCE_DIR}/${neovim_branch}.patch"
|
|
echo "✔ Saved full commit details to '${NEOVIM_SOURCE_DIR}/${neovim_branch}.patch'."
|
|
echo "${neovim_pr}" > "${NEOVIM_SOURCE_DIR}/${neovim_branch}.pr"
|
|
echo "✔ Saved suggested PR description to '${NEOVIM_SOURCE_DIR}/${neovim_branch}.pr'."
|
|
echo "You can use 'git clean' to remove these files when you're done."
|
|
|
|
echo
|
|
echo "Instructions:"
|
|
echo
|
|
echo " Proceed to port the patch."
|
|
echo " You might want to try 'patch -p1 < ${neovim_branch}.diff' first."
|
|
echo
|
|
echo " Stage your changes ('git add ...') and use 'git commit --amend' to commit."
|
|
echo
|
|
echo " Push your changes with 'git push origin ${neovim_branch}' and create a"
|
|
echo " pull request called '[RFC] vim-patch:${vim_version}'. You might want "
|
|
echo " to use the text in '${neovim_branch}.pr' as the description of this pull request."
|
|
echo
|
|
echo " See https://github.com/neovim/neovim/wiki/Merging-patches-from-upstream-vim"
|
|
echo " for more information."
|
|
}
|
|
|
|
list_vim_patches() {
|
|
get_vim_sources
|
|
|
|
printf "\nVim patches missing from Neovim:\n"
|
|
|
|
# Get commits since 7.4.602.
|
|
local vim_commits=$(cd "${VIM_SOURCE_DIR}" && git log --reverse --format='%H' v7.4.602..HEAD)
|
|
|
|
local vim_commit
|
|
for vim_commit in ${vim_commits}; do
|
|
local is_missing
|
|
local vim_tag=$(cd "${VIM_SOURCE_DIR}" && git describe --tags --exact-match "${vim_commit}" 2>/dev/null)
|
|
if [[ -n "${vim_tag}" ]]; then
|
|
local patch_number="${vim_tag:5}" # Remove prefix like "v7.4."
|
|
# Tagged Vim patch, check version.c:
|
|
is_missing="$(sed -n '/static int included_patches/,/}/p' "${NEOVIM_SOURCE_DIR}/src/nvim/version.c" |
|
|
grep -x -e "[[:space:]]*//[[:space:]]${patch_number} NA" -e "[[:space:]]*${patch_number}," >/dev/null && echo "false" || echo "true")"
|
|
vim_commit="${vim_tag#v}"
|
|
else
|
|
# Untagged Vim patch (e.g. runtime updates), check the Neovim git log:
|
|
is_missing="$(cd "${NEOVIM_SOURCE_DIR}" &&
|
|
git log -1 --no-merges --grep="vim\-patch:${vim_commit:0:7}" --pretty=format:false)"
|
|
fi
|
|
|
|
if [[ ${is_missing} != "false" ]]; then
|
|
echo " • ${vim_commit}"
|
|
fi
|
|
done
|
|
|
|
echo
|
|
echo "Instructions:"
|
|
echo
|
|
echo " To port one of the above patches to Neovim, execute"
|
|
echo " this script with the patch revision as argument."
|
|
echo
|
|
echo " Examples: '${BASENAME} -p 7.4.487'"
|
|
echo " '${BASENAME} -p 1e8ebf870720e7b671f98f22d653009826304c4f'"
|
|
echo
|
|
echo " NOTE: Please port the _oldest_ patch if you possibly can."
|
|
echo " Out-of-order patches increase the possibility of bugs."
|
|
}
|
|
|
|
review_pr() {
|
|
check_executable curl
|
|
check_executable nvim
|
|
|
|
get_vim_sources
|
|
|
|
local pr="${1}"
|
|
echo
|
|
echo "Downloading data for pull request #${pr}."
|
|
|
|
local git_patch_prefix='Subject: \[PATCH\] '
|
|
local neovim_patch="$(curl -Ssf "https://patch-diff.githubusercontent.com/raw/neovim/neovim/pull/${pr}.patch")"
|
|
echo "${neovim_patch}" > a
|
|
local vim_version="$(head -n 4 <<< "${neovim_patch}" | sed -n "s/${git_patch_prefix}vim-patch:\([a-z0-9.]*\)$/\1/p")"
|
|
|
|
if [[ -n "${vim_version}" ]]; then
|
|
echo "✔ Detected Vim patch '${vim_version}'."
|
|
else
|
|
echo "✘ Could not detect the Vim patch number."
|
|
echo " This script assumes that the PR contains a single commit"
|
|
echo " with 'vim-patch:XXX' as its title."
|
|
exit 1
|
|
fi
|
|
|
|
assign_commit_details "${vim_version}"
|
|
|
|
local expected_commit_message="$(commit_message)"
|
|
local message_length="$(wc -l <<< "${expected_commit_message}")"
|
|
local commit_message="$(tail -n +4 <<< "${neovim_patch}" | head -n "${message_length}")"
|
|
if [[ "${commit_message#${git_patch_prefix}}" == "${expected_commit_message}" ]]; then
|
|
echo "✔ Found expected commit message."
|
|
else
|
|
echo "✘ Wrong commit message."
|
|
echo " Expected:"
|
|
echo "${expected_commit_message}"
|
|
echo " Actual:"
|
|
echo "${commit_message#${git_patch_prefix}}"
|
|
exit 1
|
|
fi
|
|
|
|
local base_name="vim-${vim_version}"
|
|
echo
|
|
echo "Creating files."
|
|
curl -Ssfo "${NEOVIM_SOURCE_DIR}/n${base_name}.diff" "https://patch-diff.githubusercontent.com/raw/neovim/neovim/pull/${pr}.diff"
|
|
echo "✔ Saved pull request diff to '${NEOVIM_SOURCE_DIR}/n${base_name}.diff'."
|
|
echo "${neovim_patch}" > "${NEOVIM_SOURCE_DIR}/n${base_name}.patch"
|
|
echo "✔ Saved full pull request commit details to '${NEOVIM_SOURCE_DIR}/n${base_name}.patch'."
|
|
git show "${vim_commit}" > "${NEOVIM_SOURCE_DIR}/${base_name}.diff"
|
|
echo "✔ Saved Vim diff to '${NEOVIM_SOURCE_DIR}/${base_name}.diff'."
|
|
echo "You can use 'git clean' to remove these files when you're done."
|
|
|
|
echo
|
|
echo "Launching nvim."
|
|
exec nvim -O "${NEOVIM_SOURCE_DIR}/${base_name}.diff" "${NEOVIM_SOURCE_DIR}/n${base_name}.diff"
|
|
}
|
|
|
|
while getopts "hlp:r:" opt; do
|
|
case ${opt} in
|
|
h)
|
|
usage
|
|
exit 0
|
|
;;
|
|
l)
|
|
list_vim_patches
|
|
exit 0
|
|
;;
|
|
p)
|
|
get_vim_patch "${OPTARG}"
|
|
exit 0
|
|
;;
|
|
r)
|
|
review_pr "${OPTARG}"
|
|
exit 0
|
|
;;
|
|
*)
|
|
exit 1
|
|
;;
|
|
esac
|
|
done
|
|
|
|
usage
|
|
|
|
# vim: et sw=2
|