gvfs: add the core.gvfs config setting

This does not do anything yet. The next patches will add various values
for that config setting that correspond to the various features
offered/required by GVFS.

Signed-off-by: Kevin Willford <[email protected]>

gvfs: refactor loading the core.gvfs config value

This code change makes sure that the config value for core_gvfs
is always loaded before checking it.

Signed-off-by: Kevin Willford <[email protected]>

Author: Kevin Willford

Documentation/config/core.adoc

@@ -742,6 +742,9 @@ core.multiPackIndex::
 	single index. See linkgit:git-multi-pack-index[1] for more
 	information. Defaults to true.
 
+core.gvfs::
+	Enable the features needed for GVFS.
+
 core.sparseCheckout::
 	Enable "sparse checkout" feature. See linkgit:git-sparse-checkout[1]
 	for more information.

Makefile

@@ -1046,6 +1046,7 @@ LIB_OBJS += git-zlib.o
 LIB_OBJS += gpg-interface.o
 LIB_OBJS += graph.o
 LIB_OBJS += grep.o
+LIB_OBJS += gvfs.o
 LIB_OBJS += hash-lookup.o
 LIB_OBJS += hash.o
 LIB_OBJS += hashmap.o

config.c

@@ -9,6 +9,7 @@
 #include "git-compat-util.h"
 #include "abspath.h"
 #include "date.h"
+#include "gvfs.h"
 #include "branch.h"
 #include "config.h"
 #include "parse.h"

gvfs.c

@@ -0,0 +1,48 @@
+#define USE_THE_REPOSITORY_VARIABLE
+#include "git-compat-util.h"
+#include "environment.h"
+#include "gvfs.h"
+#include "setup.h"
+#include "config.h"
+
+static int gvfs_config_loaded;
+static struct repository *gvfs_repo;
+static int core_gvfs;
+static int core_gvfs_is_bool;
+
+static int early_core_gvfs_config(const char *var, const char *value,
+				  const struct config_context *ctx, void *cb UNUSED)
+{
+	if (!strcmp(var, "core.gvfs"))
+		core_gvfs = git_config_bool_or_int("core.gvfs", value, ctx->kvi,
+						   &core_gvfs_is_bool);
+	return 0;
+}
+
+static void gvfs_load_config_value(struct repository *r)
+{
+	if (gvfs_config_loaded && gvfs_repo == r)
+		return;
+
+	if (r) {
+		repo_config_get_bool_or_int(r, "core.gvfs",
+					    &core_gvfs_is_bool, &core_gvfs);
+	} else if (startup_info->have_repository == 0)
+		read_early_config(the_repository, early_core_gvfs_config, NULL);
+	else
+		repo_config_get_bool_or_int(the_repository, "core.gvfs",
+					    &core_gvfs_is_bool, &core_gvfs);
+
+	/* Turn on all bits if a bool was set in the settings */
+	if (core_gvfs_is_bool && core_gvfs)
+		core_gvfs = -1;
+
+	gvfs_config_loaded = 1;
+	gvfs_repo = r;
+}
+
+int gvfs_config_is_set(struct repository *r, int mask)
+{
+	gvfs_load_config_value(r);
+	return (core_gvfs & mask) == mask;
+}

gvfs.h

@@ -1,9 +1,13 @@
 #ifndef GVFS_H
 #define GVFS_H
 
+struct repository;
+
 /*
  * This file is for the specific settings and methods
  * used for GVFS functionality
  */
 
+int gvfs_config_is_set(struct repository *r, int mask);
+
 #endif /* GVFS_H */

meson.build

@@ -353,6 +353,7 @@ libgit_sources = [
   'gpg-interface.c',
   'graph.c',
   'grep.c',
+  'gvfs.c',
   'hash-lookup.c',
   'hash.c',
   'hashmap.c',