From 7b06ee81ab0e8a2199c4dce07ec67282c4f52f62 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 4 Apr 2023 08:05:21 +0200
Subject: Add support for installation filtering (GH issue #147)

---
 libbuild2/install/operation.hxx | 37 ++++++++++++++++++++++++++++---------
 1 file changed, 28 insertions(+), 9 deletions(-)

(limited to 'libbuild2/install/operation.hxx')

diff --git a/libbuild2/install/operation.hxx b/libbuild2/install/operation.hxx
index 4983976..d71d8f3 100644
--- a/libbuild2/install/operation.hxx
+++ b/libbuild2/install/operation.hxx
@@ -4,15 +4,15 @@
 #ifndef LIBBUILD2_INSTALL_OPERATION_HXX
 #define LIBBUILD2_INSTALL_OPERATION_HXX
 
-#include <libbuild2/types.hxx>
-#include <libbuild2/utility.hxx>
-
 #ifndef BUILD2_BOOTSTRAP
 #  include <libbutl/json/serializer.hxx>
 #endif
 
+#include <libbuild2/types.hxx>
+#include <libbuild2/utility.hxx>
+
 #include <libbuild2/operation.hxx>
-#include <libbuild2/filesystem.hxx> // auto_rmfile
+#include <libbuild2/filesystem.hxx> // auto_rmfile, entry_type
 
 namespace build2
 {
@@ -22,10 +22,27 @@ namespace build2
     extern const operation_info op_uninstall;
     extern const operation_info op_update_for_install;
 
-    // Set as context::current_inner_odata during the install inner operation.
+    using filters = vector<pair<string, string>>;
+
+    // Set as context::current_inner_odata during the install/uninstall inner
+    // operations.
     //
-    struct install_context_data
+    struct context_data
     {
+      // Filters.
+      //
+      const install::filters* filters;
+
+      // If entry type is a directory, then leaf must be empty.
+      //
+      static bool
+      filter (const scope& rs,
+              const dir_path& base,
+              const path& leaf,
+              entry_type);
+
+      // Manifest.
+      //
 #ifndef BUILD2_BOOTSTRAP
       path      manifest_file; // Absolute and normalized, empty if `-`.
       path_name manifest_name; // Original path/name.
@@ -43,9 +60,6 @@ namespace build2
       vector<manifest_target_entry> manifest_target_entries;
 #endif
 
-      explicit
-      install_context_data (const path* manifest);
-
       // The following manifest_install_[dfl]() functions correspond to (and
       // are called from) file_rule::install_[dfl]().
 
@@ -74,6 +88,11 @@ namespace build2
                           const path& link_target,
                           const dir_path& dir,
                           const path& link);
+
+      // Constructor.
+      //
+      explicit
+      context_data (const install::filters*, const path* manifest);
     };
   }
 }
-- 
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