add package references

4 files changed, 37 insertions, 1 deletions

diff --git a/xmake/actions/require/info.lua b/xmake/actions/require/info.lua
index 5cbc81a23..d35f503cf 100644
--- a/xmake/actions/require/info.lua
+++ b/xmake/actions/require/info.lua
@@ -129,6 +129,12 @@ function main(package_names)
             end
         end
 
+        -- show repository
+        local repo = instance:repo()
+        if repo then
+            cprint("      -> ${magenta}repo${clear}: %s %s %s", repo:name(), repo:url(), repo:branch() or "")
+        end
+
         -- show deps
         local deps = instance:orderdeps()
         if deps and #deps > 0 then
@@ -226,6 +232,15 @@ function main(package_names)
             end
         end
 
+        -- show references
+        local references = instance:references()
+        if references then
+            cprint("      -> ${magenta}references${clear}:")
+            for projectdir, refdate in pairs(references) do
+                cprint("         -> %s: %s%s", refdate, projectdir, os.isdir(projectdir) and "" or " ${red}(not found)${clear}")
+            end
+        end
+
         -- end
         print("")
     end
diff --git a/xmake/actions/require/xmake.lua b/xmake/actions/require/xmake.lua
index c9cf9452f..06147576a 100644
--- a/xmake/actions/require/xmake.lua
+++ b/xmake/actions/require/xmake.lua
@@ -45,7 +45,7 @@ task("require")
                 -- options
             ,   options = 
                 {
-                    {'c', "clear",      "k",  nil,       "Clear all installed package caches."                                                       }
+                    {'c', "clean",      "k",  nil,       "Clear all package caches and uninstall all not-referenced packages."                                                       }
                 ,   {'f', "force",      "k",  nil,       "Force to reinstall all package dependencies."                                              }
                 ,   {'l', "list",       "k",  nil,       "List all package dependencies."                                                            }
                 ,   {                                                                                                                                }
diff --git a/xmake/core/package/package.lua b/xmake/core/package/package.lua
index 9589767ab..9d605d615 100644
--- a/xmake/core/package/package.lua
+++ b/xmake/core/package/package.lua
@@ -230,6 +230,18 @@ function _instance:installdir(...)
     return dir
 end
 
+-- get the references info of this package
+function _instance:references()
+    local references_file = path.join(self:installdir(), "references.txt")
+    if os.isfile(references_file) then
+        local references, errors = io.load(references_file)
+        if not references then
+            os.raise(errors)
+        end
+        return references
+    end
+end
+
 -- get the manifest file of this package
 function _instance:manifest_file()
     return path.join(self:installdir(), "manifest.txt")
diff --git a/xmake/modules/package/manager/xmake/find_package.lua b/xmake/modules/package/manager/xmake/find_package.lua
index 915552257..1264e72a6 100644
--- a/xmake/modules/package/manager/xmake/find_package.lua
+++ b/xmake/modules/package/manager/xmake/find_package.lua
@@ -132,6 +132,15 @@ function _find_package_from_repo(name, opt)
         end
     end
 
+    -- update the project references file
+    local projectdir = os.projectdir()
+    if projectdir and os.isdir(projectdir) then
+        local references_file = path.join(installdir, "references.txt")
+        local references = os.isfile(references_file) and io.load(references_file) or {}
+        references[projectdir] = os.date("%y%m%d")
+        io.save(references_file, references)
+    end
+
     -- get version
     result.version = manifest.version or path.filename(path.directory(path.directory(manifest_file)))
     return result