You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
298 lines
8.8 KiB
298 lines
8.8 KiB
/* |
|
* Copyright (C) 2021 Riyyi |
|
* |
|
* SPDX-License-Identifier: MIT |
|
*/ |
|
|
|
#include <cctype> // tolower |
|
#include <cstddef> // size_t |
|
#include <cstdio> // fprintf, printf, stderr |
|
#include <filesystem> |
|
#include <functional> // function |
|
#include <pwd.h> // getpwnam |
|
#include <string> |
|
#include <system_error> // error_code |
|
#include <unistd.h> // geteuid, getlogin, setegid, seteuid |
|
#include <vector> |
|
|
|
#include "dotfile.h" |
|
#include "machine.h" |
|
|
|
std::vector<Dotfile::ExcludePath> Dotfile::s_excludePaths; |
|
std::vector<std::filesystem::path> Dotfile::s_systemDirectories; |
|
std::filesystem::path Dotfile::s_workingDirectory; |
|
|
|
Dotfile::Dotfile() |
|
{ |
|
} |
|
|
|
Dotfile::~Dotfile() |
|
{ |
|
} |
|
|
|
// ----------------------------------------- |
|
|
|
void Dotfile::add(const std::vector<std::string>& targets) |
|
{ |
|
if (targets.empty()) { |
|
fprintf(stderr, "\033[31;1mDotfile:\033[0m no files or directories selected\n"); |
|
return; |
|
} |
|
|
|
std::vector<size_t> noExistPaths; |
|
std::vector<size_t> homePaths; |
|
std::vector<size_t> systemPaths; |
|
|
|
// Separate home and system targets |
|
for (size_t i = 0; i < targets.size(); ++i) { |
|
if (!std::filesystem::is_regular_file(targets.at(i)) |
|
&& !std::filesystem::is_directory(targets.at(i)) |
|
&& !std::filesystem::is_symlink(targets.at(i))) { |
|
noExistPaths.push_back(i); |
|
continue; |
|
} |
|
|
|
if (isSystemTarget(targets.at(i))) { |
|
systemPaths.push_back(i); |
|
} |
|
else { |
|
homePaths.push_back(i); |
|
} |
|
} |
|
|
|
// Print non-existing targets and exit |
|
if (!noExistPaths.empty()) { |
|
for (size_t i : noExistPaths) { |
|
fprintf(stderr, "\033[31;1mDotfile:\033[0m '%s': no such file or directory\n", targets.at(i).c_str()); |
|
} |
|
return; |
|
} |
|
|
|
sync( |
|
targets, homePaths, systemPaths, |
|
[](std::string* paths, const std::string& homePath, const std::string& homeDirectory) { |
|
paths[0] = homePath; |
|
paths[1] = homePath.substr(homeDirectory.size() + 1); |
|
}, |
|
[](std::string* paths, const std::string& systemPath) { |
|
paths[0] = systemPath; |
|
paths[1] = systemPath.substr(1); |
|
}); |
|
} |
|
|
|
void Dotfile::list(const std::vector<std::string>& targets) |
|
{ |
|
if (s_workingDirectory.empty()) { |
|
fprintf(stderr, "\033[31;1mDotfile:\033[0m working directory is unset\n"); |
|
return; |
|
} |
|
|
|
if (!std::filesystem::is_directory(s_workingDirectory)) { |
|
fprintf(stderr, "\033[31;1mDotfile:\033[0m working directory is not a directory\n"); |
|
return; |
|
} |
|
|
|
size_t workingDirectory = s_workingDirectory.string().size(); |
|
forEachDotfile(targets, [&workingDirectory](std::filesystem::directory_entry path, size_t) { |
|
printf("%s\n", path.path().c_str() + workingDirectory + 1); |
|
}); |
|
} |
|
|
|
void Dotfile::pull(const std::vector<std::string>& targets) |
|
{ |
|
std::vector<std::string> dotfiles; |
|
std::vector<size_t> homeFiles; |
|
std::vector<size_t> systemFiles; |
|
|
|
// Separate home and system targets |
|
forEachDotfile(targets, [&](const std::filesystem::directory_entry& path, size_t index) { |
|
dotfiles.push_back(path.path().string()); |
|
if (isSystemTarget(path.path().string())) { |
|
systemFiles.push_back(index); |
|
} |
|
else { |
|
homeFiles.push_back(index); |
|
} |
|
}); |
|
|
|
size_t workingDirectory = s_workingDirectory.string().size(); |
|
sync( |
|
dotfiles, homeFiles, systemFiles, |
|
[&workingDirectory](std::string* paths, const std::string& homeFile, const std::string& homeDirectory) { |
|
// homeFile = /home/<user>/dotfiles/<file> |
|
// copy: /home/<user>/<file> -> /home/<user>/dotfiles/<file> |
|
paths[0] = homeDirectory + homeFile.substr(workingDirectory); |
|
paths[1] = homeFile; |
|
}, |
|
[&workingDirectory](std::string* paths, const std::string& systemFile) { |
|
// systemFile = /home/<user>/dotfiles/<file> |
|
// copy: <file> -> /home/<user>/dotfiles/<file> |
|
paths[0] = systemFile.substr(workingDirectory); |
|
paths[1] = systemFile; |
|
}); |
|
} |
|
|
|
void Dotfile::push(const std::vector<std::string>& targets) |
|
{ |
|
std::vector<std::string> dotfiles; |
|
std::vector<size_t> homeFiles; |
|
std::vector<size_t> systemFiles; |
|
|
|
// Separate home and system targets |
|
forEachDotfile(targets, [&](const std::filesystem::directory_entry& path, size_t index) { |
|
dotfiles.push_back(path.path().string()); |
|
if (isSystemTarget(path.path().string())) { |
|
systemFiles.push_back(index); |
|
} |
|
else { |
|
homeFiles.push_back(index); |
|
} |
|
}); |
|
|
|
size_t workingDirectory = s_workingDirectory.string().size(); |
|
sync( |
|
dotfiles, homeFiles, systemFiles, |
|
[&workingDirectory](std::string* paths, const std::string& homeFile, const std::string& homeDirectory) { |
|
// homeFile = /home/<user>/dotfiles/<file> |
|
// copy: /home/<user>/dotfiles/<file> -> /home/<user>/<file> |
|
paths[0] = homeFile; |
|
paths[1] = homeDirectory + homeFile.substr(workingDirectory); |
|
}, |
|
[&workingDirectory](std::string* paths, const std::string& systemFile) { |
|
// systemFile = /home/<user>/dotfiles/<file> |
|
// copy: /home/<user>/dotfiles/<file> -> <file> |
|
paths[0] = systemFile; |
|
paths[1] = systemFile.substr(workingDirectory); |
|
}); |
|
} |
|
|
|
// ----------------------------------------- |
|
|
|
void Dotfile::sync(const std::vector<std::string>& paths, const std::vector<size_t>& homeIndices, const std::vector<size_t>& systemIndices, |
|
const std::function<void(std::string*, const std::string&, const std::string&)>& generateHomePaths, |
|
const std::function<void(std::string*, const std::string&)>& generateSystemPaths) |
|
{ |
|
bool root = !geteuid() ? true : false; |
|
if (!systemIndices.empty() && !root) { |
|
for (size_t i : systemIndices) { |
|
fprintf(stderr, "\033[31;1mDotfile:\033[0m you cannot copy system file '%s' unless you are root\n", paths.at(i).c_str()); |
|
} |
|
return; |
|
} |
|
|
|
auto printError = [](const std::filesystem::path& path, const std::error_code& error) -> void { |
|
// std::filesystem::copy doesnt respect 'overwrite_existing' for symlinks |
|
if (error.value() && error.message() != "File exists") { |
|
fprintf(stderr, "\033[31;1mDotfile:\033[0m '%s': %c%s\n", |
|
path.c_str(), |
|
tolower(error.message().c_str()[0]), |
|
error.message().c_str() + 1); |
|
} |
|
}; |
|
|
|
const auto copyOptions = std::filesystem::copy_options::overwrite_existing |
|
| std::filesystem::copy_options::recursive |
|
| std::filesystem::copy_options::copy_symlinks; |
|
|
|
auto copy = [&root, &printError](const std::filesystem::path& from, |
|
const std::filesystem::path& to, bool homePath) -> void { |
|
if (homePath && root) { |
|
seteuid(Machine::the().uid()); |
|
setegid(Machine::the().gid()); |
|
} |
|
|
|
// Create directory for the file |
|
std::error_code error; |
|
if (std::filesystem::is_regular_file(from)) { |
|
auto directory = to.relative_path().parent_path(); |
|
if (!directory.empty() && !std::filesystem::exists(directory)) { |
|
printf("created directory '%s'\n", directory.c_str()); |
|
std::filesystem::create_directories(directory, error); |
|
printError(to.relative_path().parent_path(), error); |
|
} |
|
} |
|
|
|
// Copy the file or directory |
|
printf("'%s' -> '%s'\n", from.c_str(), to.c_str()); |
|
std::filesystem::copy(from, to, copyOptions, error); |
|
printError(to, error); |
|
|
|
if (homePath && root) { |
|
seteuid(0); |
|
setegid(0); |
|
} |
|
}; |
|
|
|
// /home/<user>/ |
|
std::string homeDirectory = "/home/" + Machine::the().username(); |
|
for (size_t i : homeIndices) { |
|
std::string homePaths[2]; |
|
generateHomePaths(homePaths, paths.at(i), homeDirectory); |
|
copy(homePaths[0], homePaths[1], true); |
|
} |
|
// / |
|
for (size_t i : systemIndices) { |
|
std::string systemPaths[2]; |
|
generateSystemPaths(systemPaths, paths.at(i)); |
|
copy(systemPaths[0], systemPaths[1], false); |
|
} |
|
} |
|
|
|
void Dotfile::forEachDotfile(const std::vector<std::string>& targets, const std::function<void(const std::filesystem::directory_entry&, size_t)>& callback) |
|
{ |
|
size_t index = 0; |
|
for (const auto& path : std::filesystem::recursive_directory_iterator { s_workingDirectory }) { |
|
if (path.is_directory() || filter(path)) { |
|
continue; |
|
} |
|
if (!targets.empty() && !include(path.path().string(), targets)) { |
|
continue; |
|
} |
|
callback(path, index++); |
|
} |
|
} |
|
|
|
bool Dotfile::filter(const std::filesystem::path& path) |
|
{ |
|
for (auto& excludePath : s_excludePaths) { |
|
if (excludePath.type == ExcludeType::File) { |
|
if (path.string() == s_workingDirectory / excludePath.path) { |
|
return true; |
|
} |
|
} |
|
else if (excludePath.type == ExcludeType::Directory) { |
|
if (path.string().find(s_workingDirectory / excludePath.path) == 0) { |
|
return true; |
|
} |
|
} |
|
else if (excludePath.type == ExcludeType::EndsWith) { |
|
if (path.string().find(excludePath.path) == path.string().size() - excludePath.path.size()) { |
|
return true; |
|
} |
|
} |
|
} |
|
|
|
return false; |
|
} |
|
|
|
bool Dotfile::include(const std::filesystem::path& path, const std::vector<std::string>& targets) |
|
{ |
|
for (const auto& target : targets) { |
|
if (path.string().find(s_workingDirectory / target) == 0) { |
|
return true; |
|
} |
|
} |
|
|
|
return false; |
|
} |
|
|
|
bool Dotfile::isSystemTarget(const std::string& target) |
|
{ |
|
for (const auto& systemDirectory : s_systemDirectories) { |
|
if (target.find(systemDirectory) == 0) { |
|
return true; |
|
} |
|
} |
|
|
|
return false; |
|
}
|
|
|