hyprpm: Add support for specifying exact git revisions for plugin repo (#4983)

* hyprpm(feat): support specifying exact git revs

* Mention git rev argument in help

* Mention git rev arg is optional

* Wrap text

hyprpm/src/core/DataState.cpp

@@ -45,7 +45,8 @@ void DataState::addNewPluginRepo(const SPluginRepository& repo) {
         {"repository", toml::table{
             {"name", repo.name},
             {"hash", repo.hash},
-            {"url", repo.url}
+            {"url", repo.url},
+            {"rev", repo.rev}
         }}
     };
     for (auto& p : repo.plugins) {
@@ -178,12 +179,14 @@ std::vector<SPluginRepository> DataState::getAllRepositories() {
 
         const auto        NAME = STATE["repository"]["name"].value_or("");
         const auto        URL  = STATE["repository"]["url"].value_or("");
+        const auto        REV  = STATE["repository"]["rev"].value_or("");
         const auto        HASH = STATE["repository"]["hash"].value_or("");
 
         SPluginRepository repo;
         repo.hash = HASH;
         repo.name = NAME;
         repo.url  = URL;
+        repo.rev  = REV;
 
         for (const auto& [key, val] : STATE) {
             if (key == "repository")

hyprpm/src/core/Plugin.hpp

@@ -12,6 +12,7 @@ struct SPlugin {
 
 struct SPluginRepository {
     std::string          url;
+    std::string          rev;
     std::string          name;
     std::vector<SPlugin> plugins;
     std::string          hash;

hyprpm/src/core/PluginManager.cpp

@@ -77,8 +77,7 @@ SHyprlandVersion CPluginManager::getHyprlandVersion() {
     return ver;
 }
 
-bool CPluginManager::addNewPluginRepo(const std::string& url) {
-
+bool CPluginManager::addNewPluginRepo(const std::string& url, const std::string& rev) {
     const auto HLVER = getHyprlandVersion();
 
     if (DataState::pluginRepoExists(url)) {
@@ -134,6 +133,14 @@ bool CPluginManager::addNewPluginRepo(const std::string& url) {
         return false;
     }
 
+    if (!rev.empty()) {
+        std::string ret = execAndGet("git -C /tmp/hyprpm/new reset --hard --recurse-submodules " + rev);
+        if (ret.compare(0, 6, "fatal:") == 0) {
+            std::cerr << "\n" << Colors::RED << "✖" << Colors::RESET << " Could not check out revision " << rev << ". shell returned:\n" << ret << "\n";
+            return false;
+        }
+    }
+
     progress.m_iSteps = 1;
     progress.printMessageAbove(std::string{Colors::GREEN} + "✔" + Colors::RESET + " cloned");
     progress.m_szCurrentMessage = "Reading the manifest";
@@ -240,6 +247,7 @@ bool CPluginManager::addNewPluginRepo(const std::string& url) {
         repohash.pop_back();
     repo.name = pManifest->m_sRepository.name.empty() ? url.substr(url.find_last_of('/') + 1) : pManifest->m_sRepository.name;
     repo.url  = url;
+    repo.rev  = rev;
     repo.hash = repohash;
     for (auto& p : pManifest->m_vPlugins) {
         repo.plugins.push_back(SPlugin{p.name, "/tmp/hyprpm/new/" + p.output, false, p.failed});
@@ -494,6 +502,16 @@ bool CPluginManager::updatePlugins(bool forceUpdateAll) {
             return false;
         }
 
+        if (!repo.rev.empty()) {
+            progress.printMessageAbove(std::string{Colors::RESET} + " → Plugin has revision set, resetting: " + repo.rev);
+
+            std::string ret = execAndGet("git -C /tmp/hyprpm reset --hard --recurse-submodules " + repo.rev);
+            if (ret.compare(0, 6, "fatal:") == 0) {
+                std::cout << "\n" << std::string{Colors::RED} + "✖" + Colors::RESET + " could not check out revision " + repo.rev + ": shell returned:\n" + ret;
+                return false;
+            }
+        }
+
         if (!update) {
             // check if git has updates
             std::string hash = execAndGet("cd /tmp/hyprpm/update && git rev-parse HEAD");
@@ -538,8 +556,8 @@ bool CPluginManager::updatePlugins(bool forceUpdateAll) {
             continue;
         }
 
-        if (!pManifest->m_sRepository.commitPins.empty()) {
-            // check commit pins
+        if (repo.rev.empty() && !pManifest->m_sRepository.commitPins.empty()) {
+            // check commit pins unless a revision is specified
 
             progress.printMessageAbove(std::string{Colors::RESET} + " → Manifest has " + std::to_string(pManifest->m_sRepository.commitPins.size()) + " pins, checking");
 

hyprpm/src/core/PluginManager.hpp

@@ -36,7 +36,7 @@ struct SHyprlandVersion {
 
 class CPluginManager {
   public:
-    bool                   addNewPluginRepo(const std::string& url);
+    bool                   addNewPluginRepo(const std::string& url, const std::string& rev);
     bool                   removePluginRepo(const std::string& urlOrName);
 
     eHeadersErrors         headersValid();

hyprpm/src/main.cpp

@@ -11,7 +11,8 @@
 
 const std::string HELP = R"#(┏ hyprpm, a Hyprland Plugin Manager
 ┃
-┣ add [url]              → Install a new plugin repository from git
+┣ add [url] [git rev]    → Install a new plugin repository from git. Git revision
+┃                          is optional, when set, commit locks are ignored.
 ┣ remove [url/name]      → Remove an installed plugin repository
 ┣ enable [name]          → Enable a plugin
 ┣ disable [name]         → Disable a plugin
@@ -77,7 +78,12 @@ int               main(int argc, char** argv, char** envp) {
             return 1;
         }
 
-        return g_pPluginManager->addNewPluginRepo(command[1]) ? 0 : 1;
+        std::string rev = "";
+        if (command.size() >= 3) {
+            rev = command[2];
+        }
+
+        return g_pPluginManager->addNewPluginRepo(command[1], rev) ? 0 : 1;
     } else if (command[0] == "remove") {
         if (ARGS.size() < 2) {
             std::cerr << Colors::RED << "✖" << Colors::RESET << " Not enough args for remove.\n";