git: update to v2.22.0

Update to git version v2.22.0.

Upstream commit bce9db6d ("trace2: use system/global config for default
trace2 settings") caused a regression. We have to unset HOME and
XDG_CONFIG_HOME before early loading of config from trace2 code kicks in.

Signed-off-by: Christian Hesse <mail@eworm.de>

diff --git a/Makefile b/Makefile
index 40f4fd884f4c90a2b4d75eeb8e11bbf2c1d65fa9..b2bd3514f8c9b0c9f27c5f4325da04e9b4552a6f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ htmldir = $(docdir)
 pdfdir = $(docdir)
 mandir = $(prefix)/share/man
 SHA1_HEADER = <openssl/sha.h>
-GIT_VER = 2.21.0
+GIT_VER = 2.22.0
 GIT_URL = https://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.xz
 INSTALL = install
 COPYTREE = cp -r

diff --git a/cgit.c b/cgit.c
index 2910d4b861d76df28b14f6712d30e3568f4ab65b..ac8c6418ba46061da375fe26c82b39d1be6e51fc 100644 (file)
--- a/cgit.c
+++ b/cgit.c
@@ -19,6 +19,16 @@
 
 const char *cgit_version = CGIT_VERSION;
 
+__attribute__((constructor))
+static void constructor_environment()
+{
+       /* Do not look in /etc/ for gitconfig and gitattributes. */
+       setenv("GIT_CONFIG_NOSYSTEM", "1", 1);
+       setenv("GIT_ATTR_NOSYSTEM", "1", 1);
+       unsetenv("HOME");
+       unsetenv("XDG_CONFIG_HOME");
+}
+
 static void add_mimetype(const char *name, const char *value)
 {
        struct string_list_item *item;
@@ -565,18 +575,13 @@ static void prepare_repo_env(int *nongit)
        /* The path to the git repository. */
        setenv("GIT_DIR", ctx.repo->path, 1);
 
-       /* Do not look in /etc/ for gitconfig and gitattributes. */
-       setenv("GIT_CONFIG_NOSYSTEM", "1", 1);
-       setenv("GIT_ATTR_NOSYSTEM", "1", 1);
-       unsetenv("HOME");
-       unsetenv("XDG_CONFIG_HOME");
-
        /* Setup the git directory and initialize the notes system. Both of these
         * load local configuration from the git repository, so we do them both while
         * the HOME variables are unset. */
        setup_git_directory_gently(nongit);
        init_display_notes(NULL);
 }
+
 static int prepare_repo_cmd(int nongit)
 {
        struct object_id oid;

diff --git a/git b/git
index 8104ec994ea3849a968b4667d072fedd1e688642..b697d92f56511e804b8ba20ccbe7bdc85dc66810 160000 (submodule)
--- a/git
+++ b/git
@@ -1 +1 @@
-Subproject commit 8104ec994ea3849a968b4667d072fedd1e688642
+Subproject commit b697d92f56511e804b8ba20ccbe7bdc85dc66810