vim-patch.sh: Add option to list missing Vim changesets.

This commit is contained in:
Florian Walch 2015-01-07 20:52:10 +01:00
parent 050c6515f8
commit 0cbc48ea89

View File

@ -7,114 +7,189 @@ NEOVIM_SOURCE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
VIM_SOURCE_DIR_DEFAULT=${NEOVIM_SOURCE_DIR}/.vim-src VIM_SOURCE_DIR_DEFAULT=${NEOVIM_SOURCE_DIR}/.vim-src
VIM_SOURCE_DIR="${VIM_SOURCE_DIR:-${VIM_SOURCE_DIR_DEFAULT}}" VIM_SOURCE_DIR="${VIM_SOURCE_DIR:-${VIM_SOURCE_DIR_DEFAULT}}"
if [[ ${#} != 1 ]]; then usage() {
>&2 echo "Helper script for porting Vim patches. For more information," >&2 echo "Helper script for porting Vim patches. For more information,"
>&2 echo "see https://github.com/neovim/neovim/wiki/Merging-patches-from-upstream-vim." >&2 echo "see https://github.com/neovim/neovim/wiki/Merging-patches-from-upstream-vim."
>&2 echo >&2 echo
>&2 echo "Usage: ${0} vim-revision" >&2 echo "Usage: ${0} [option]"
>&2 echo " ${0} vim-revision"
>&2 echo
>&2 echo "Options:"
>&2 echo " --help Show this message."
>&2 echo " --list Show list of Vim patches missing from Neovim."
>&2 echo
>&2 echo "vim-revision can be a version number in format '7.4.xxx'" >&2 echo "vim-revision can be a version number in format '7.4.xxx'"
>&2 echo "or a Mercurial commit hash." >&2 echo "or a Mercurial commit hash."
>&2 echo >&2 echo
>&2 echo "Set VIM_SOURCE_DIR to change where Vim's sources are stored." >&2 echo "Set VIM_SOURCE_DIR to change where Vim's sources are stored."
>&2 echo "The default is '${VIM_SOURCE_DIR_DEFAULT}'." >&2 echo "The default is '${VIM_SOURCE_DIR_DEFAULT}'."
}
get_vim_sources() {
echo "Retrieving Vim sources."
if [[ ! -d ${VIM_SOURCE_DIR} ]]; then
echo "Cloning Vim sources into '${VIM_SOURCE_DIR}'."
hg clone https://code.google.com/p/vim ${VIM_SOURCE_DIR}
cd ${VIM_SOURCE_DIR}
else
echo "Updating Vim sources in '${VIM_SOURCE_DIR}'."
cd ${VIM_SOURCE_DIR}
hg pull --update &&
echo "✔ Updated Vim sources." ||
echo "✘ Could not update Vim sources; ignoring error."
fi
}
get_vim_patch() {
if [[ "${1}" =~ [0-9]\.[0-9]\.[0-9]{3,4} ]]; then
# Interpret parameter as version number.
vim_version="${1}"
vim_commit="v${1//./-}"
strip_commit_line=true
else
# Interpret parameter as commit hash.
vim_version="${1:0:7}"
vim_commit="${1}"
strip_commit_line=false
fi
hg log --rev ${vim_commit} >/dev/null 2>&1 || {
>&2 echo "✘ Couldn't find Vim revision '${vim_commit}'."
exit 3
}
echo
echo "✔ Found Vim revision '${vim_commit}'."
# Collect patch details and store into variables.
vim_full="$(hg log --patch --git --verbose --rev ${vim_commit})"
vim_message="$(hg log --template "{desc}" --rev ${vim_commit})"
if [[ "${strip_commit_line}" == "true" ]]; then
# Remove first line of commit message.
vim_message="$(echo "${vim_message}" | sed -e '1d')"
fi
vim_diff="$(hg diff --show-function --git --change ${vim_commit} \
| sed -e 's/\( [ab]\/src\)/\1\/nvim/g')" # Change directory to src/nvim.
neovim_message="
vim-patch:${vim_version}
${vim_message}
https://code.google.com/p/vim/source/detail?r=${vim_commit}"
neovim_pr="
\`\`\`
${vim_message}
\`\`\`
https://code.google.com/p/vim/source/detail?r=${vim_commit}
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 patch 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 '${neovim_branch}.pr' as the description of this pull request."
echo
echo " See https://github.com/neovim/neovim/wiki/Merging-patches-from-upstream-vim"
echo " for more information."
}
list_vim_patches() {
echo
echo "Vim patches missing from Neovim:"
# Get vim patches and runtime file updates.
# Start from 7.4.442. The runtime was re-integrated from 7.4.384, but
# runtime patches before between 384 and 442 have already been ported
# to Neovim as of the creation of this script.
local vim_commits=$(cd ${VIM_SOURCE_DIR} && \
hg log --removed --template='{if(startswith("Added tag", firstline(desc)),
"{latesttag}\n",
"{if(startswith(\"updated for version\", firstline(desc)),
\"\",
\"{node}\n\")}")}' -r tip:v7-4-442)
# Append remaining vim patches.
# Start from 7.4.160, where Neovim was forked.
local vim_old_commits=$(cd ${VIM_SOURCE_DIR} && \
hg log --removed --template='{if(startswith("Added tag",
firstline(desc)),
"{latesttag}\n")}' -r v7-4-442:v7-4-161)
local vim_commit
for vim_commit in ${vim_commits} ${vim_old_commits}; do
local is_missing
if [[ "${vim_commit}" =~ v([0-9]-[0-9]-([0-9]{3,4})) ]]; then
local patch_number="${BASH_REMATCH[2]}"
# "Proper" Vim patch
# Check version.c:
is_missing="$(sed -n '/static int included_patches/,/}/p' ${NEOVIM_SOURCE_DIR}/src/nvim/version.c |
grep -x -e "[[:space:]]*//${patch_number} NA" -e "[[:space:]]*${patch_number}," >/dev/null && echo "false" || echo "true")"
vim_commit="${BASH_REMATCH[1]//-/.}"
else
# Untagged Vim patch, e.g. runtime updates.
# Check Neovim 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: './scripts/vim-patch.sh 7.4.487'"
echo " './scripts/vim-patch.sh 1e8ebf870720e7b671f98f22d653009826304c4f'"
}
if [[ ${#} != 1 || "${1}" == "--help" ]]; then
usage
exit 1 exit 1
fi fi
echo "Retrieving Vim sources." get_vim_sources
if [[ ! -d ${VIM_SOURCE_DIR} ]]; then
echo "Cloning Vim sources into '${VIM_SOURCE_DIR}'." if [[ "${1}" == "--list" ]]; then
hg clone https://code.google.com/p/vim ${VIM_SOURCE_DIR} list_vim_patches
cd ${VIM_SOURCE_DIR}
else else
echo "Updating Vim sources in '${VIM_SOURCE_DIR}'." get_vim_patch ${1}
cd ${VIM_SOURCE_DIR}
hg pull --update || echo "✘ Could not update Vim sources."
fi fi
if [[ "${1}" =~ [0-9]\.[0-9]\.[0-9]{3,4} ]]; then
# Interpret parameter as version number.
vim_version="${1}"
vim_commit="v${1//./-}"
strip_commit_line=true
else
# Interpret parameter as commit hash.
vim_version="${1:0:7}"
vim_commit="${1}"
strip_commit_line=false
fi
hg log --rev ${vim_commit} >/dev/null 2>&1 || {
>&2 echo "✘ Couldn't find Vim revision '${vim_commit}'."
exit 3
}
echo "✔ Found Vim revision '${vim_commit}'."
# Collect patch details and store into variables.
vim_full="$(hg log --patch --git --verbose --rev ${vim_commit})"
vim_message="$(hg log --template "{desc}" --rev ${vim_commit})"
if [[ "${strip_commit_line}" == "true" ]]; then
# Remove first line of commit message.
vim_message="$(echo "${vim_message}" | sed -e '1d')"
fi
vim_diff="$(hg diff --show-function --git --change ${vim_commit} \
| sed -e 's/\( [ab]\/src\)/\1\/nvim/g')" # Change directory to src/nvim.
neovim_message="
vim-patch:${vim_version}
${vim_message}
https://code.google.com/p/vim/source/detail?r=${vim_commit}"
neovim_pr="
\`\`\`
${vim_message}
\`\`\`
https://code.google.com/p/vim/source/detail?r=${vim_commit}
Original patch:
\`\`\`diff
${vim_diff}
\`\`\`"
neovim_branch="vim-${vim_version}"
echo
echo "Creating Git branch."
cd ${NEOVIM_SOURCE_DIR}
echo -n "✘ "
# 'git checkout -b' writes to stderr in case of success :-(
# Re-add newline (stripped by echo -n) in error case.
git checkout -b "${neovim_branch}" 2>&1 | xargs echo -n || (echo; false)
echo -n "." # Add trailing dot.
echo -e "\r✔ " # Replace ✘ with ✔
echo
echo "Creating empty commit with correct commit message."
echo -n "✘ "
git commit --allow-empty --file - <<< "${neovim_message}" | xargs echo -n
echo -e "\r✔ " # Replace ✘ with ✔
echo
echo "Creating files."
echo "${vim_diff}" > ${NEOVIM_SOURCE_DIR}/${neovim_branch}.diff
echo "✔ Saved patch 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."