X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=environment.c;h=c93b8f44df0171a0f923546813d00e8b8e837af1;hb=184a7aa7bf8e42ce9aba12b92d9cf8014d04a947;hp=739ec2704031f0dd9d4a380e07f001c09742a7be;hpb=03f94ae9f909952ed5a78917ab319a312889354b;p=git.git

diff --git a/environment.c b/environment.c
index 739ec2704..c93b8f44d 100644
--- a/environment.c
+++ b/environment.c
@@ -8,6 +8,8 @@
  * are.
  */
 #include "cache.h"
+#include "refs.h"
+#include "fmt-merge-msg.h"
 
 char git_default_email[MAX_GITNAME];
 char git_default_name[MAX_GITNAME];
@@ -15,6 +17,7 @@ int user_ident_explicitly_given;
 int trust_executable_bit = 1;
 int trust_ctime = 1;
 int has_symlinks = 1;
+int minimum_abbrev = 4, default_abbrev = 7;
 int ignore_case;
 int assume_unchanged;
 int prefer_symlink_refs;
@@ -27,6 +30,7 @@ const char *git_log_output_encoding;
 int shared_repository = PERM_UMASK;
 const char *apply_default_whitespace;
 const char *apply_default_ignorewhitespace;
+const char *git_attributes_file;
 int zlib_compression_level = Z_BEST_SPEED;
 int core_compression_level;
 int core_compression_seen;
@@ -34,12 +38,16 @@ int fsync_object_files;
 size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
 size_t packed_git_limit = DEFAULT_PACKED_GIT_LIMIT;
 size_t delta_base_cache_limit = 16 * 1024 * 1024;
+unsigned long big_file_threshold = 512 * 1024 * 1024;
+const char *log_pack_access;
 const char *pager_program;
 int pager_use_color = 1;
 const char *editor_program;
+const char *askpass_program;
 const char *excludes_file;
-int auto_crlf = 0;	/* 1: both ways, -1: only when adding git objects */
-int read_replace_refs = 1;
+enum auto_crlf auto_crlf = AUTO_CRLF_FALSE;
+int read_replace_refs = 1; /* NEEDSWORK: rename to use_replace_refs */
+enum eol core_eol = EOL_UNSET;
 enum safe_crlf safe_crlf = SAFE_CRLF_WARN;
 unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
 enum branch_track git_branch_track = BRANCH_TRACK_REMOTE;
@@ -52,6 +60,9 @@ enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE;
 char *notes_ref_name;
 int grafts_replace_parents = 1;
 int core_apply_sparse_checkout;
+int merge_log_config = -1;
+struct startup_info *startup_info;
+unsigned long pack_size_limit_cfg;
 
 /* Parallel index stat data preload? */
 int core_preload_index = 0;
@@ -60,14 +71,59 @@ int core_preload_index = 0;
 char *git_work_tree_cfg;
 static char *work_tree;
 
+static const char *namespace;
+static size_t namespace_len;
+
 static const char *git_dir;
-static char *git_object_dir, *git_index_file, *git_refs_dir, *git_graft_file;
+static char *git_object_dir, *git_index_file, *git_graft_file;
+
+/*
+ * Repository-local GIT_* environment variables
+ * Remember to update local_repo_env_size in cache.h when
+ * the size of the list changes
+ */
+const char * const local_repo_env[LOCAL_REPO_ENV_SIZE + 1] = {
+	ALTERNATE_DB_ENVIRONMENT,
+	CONFIG_ENVIRONMENT,
+	CONFIG_DATA_ENVIRONMENT,
+	DB_ENVIRONMENT,
+	GIT_DIR_ENVIRONMENT,
+	GIT_WORK_TREE_ENVIRONMENT,
+	GRAFT_ENVIRONMENT,
+	INDEX_ENVIRONMENT,
+	NO_REPLACE_OBJECTS_ENVIRONMENT,
+	NULL
+};
+
+static char *expand_namespace(const char *raw_namespace)
+{
+	struct strbuf buf = STRBUF_INIT;
+	struct strbuf **components, **c;
+
+	if (!raw_namespace || !*raw_namespace)
+		return xstrdup("");
+
+	strbuf_addstr(&buf, raw_namespace);
+	components = strbuf_split(&buf, '/');
+	strbuf_reset(&buf);
+	for (c = components; *c; c++)
+		if (strcmp((*c)->buf, "/") != 0)
+			strbuf_addf(&buf, "refs/namespaces/%s", (*c)->buf);
+	strbuf_list_free(components);
+	if (check_refname_format(buf.buf, 0))
+		die("bad git namespace path \"%s\"", raw_namespace);
+	strbuf_addch(&buf, '/');
+	return strbuf_detach(&buf, NULL);
+}
 
 static void setup_git_env(void)
 {
 	git_dir = getenv(GIT_DIR_ENVIRONMENT);
-	if (!git_dir)
-		git_dir = read_gitfile_gently(DEFAULT_GIT_DIR_ENVIRONMENT);
+	git_dir = git_dir ? xstrdup(git_dir) : NULL;
+	if (!git_dir) {
+		git_dir = read_gitfile(DEFAULT_GIT_DIR_ENVIRONMENT);
+		git_dir = git_dir ? xstrdup(git_dir) : NULL;
+	}
 	if (!git_dir)
 		git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
 	git_object_dir = getenv(DB_ENVIRONMENT);
@@ -75,8 +131,6 @@ static void setup_git_env(void)
 		git_object_dir = xmalloc(strlen(git_dir) + 9);
 		sprintf(git_object_dir, "%s/objects", git_dir);
 	}
-	git_refs_dir = xmalloc(strlen(git_dir) + 6);
-	sprintf(git_refs_dir, "%s/refs", git_dir);
 	git_index_file = getenv(INDEX_ENVIRONMENT);
 	if (!git_index_file) {
 		git_index_file = xmalloc(strlen(git_dir) + 7);
@@ -87,6 +141,8 @@ static void setup_git_env(void)
 		git_graft_file = git_pathdup("info/grafts");
 	if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
 		read_replace_refs = 0;
+	namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT));
+	namespace_len = strlen(namespace);
 }
 
 int is_bare_repository(void)
@@ -107,6 +163,20 @@ const char *get_git_dir(void)
 	return git_dir;
 }
 
+const char *get_git_namespace(void)
+{
+	if (!namespace)
+		setup_git_env();
+	return namespace;
+}
+
+const char *strip_namespace(const char *namespaced_ref)
+{
+	if (prefixcmp(namespaced_ref, get_git_namespace()) != 0)
+		return NULL;
+	return namespaced_ref + namespace_len;
+}
+
 static int git_work_tree_initialized;
 
 /*
@@ -116,30 +186,20 @@ static int git_work_tree_initialized;
  */
 void set_git_work_tree(const char *new_work_tree)
 {
-	if (is_bare_repository_cfg >= 0)
-		die("cannot set work tree after initialization");
+	if (git_work_tree_initialized) {
+		new_work_tree = real_path(new_work_tree);
+		if (strcmp(new_work_tree, work_tree))
+			die("internal error: work tree has already been set\n"
+			    "Current worktree: %s\nNew worktree: %s",
+			    work_tree, new_work_tree);
+		return;
+	}
 	git_work_tree_initialized = 1;
-	free(work_tree);
-	work_tree = xstrdup(make_absolute_path(new_work_tree));
-	is_bare_repository_cfg = 0;
+	work_tree = xstrdup(real_path(new_work_tree));
 }
 
 const char *get_git_work_tree(void)
 {
-	if (!git_work_tree_initialized) {
-		work_tree = getenv(GIT_WORK_TREE_ENVIRONMENT);
-		/* core.bare = true overrides implicit and config work tree */
-		if (!work_tree && is_bare_repository_cfg < 1) {
-			work_tree = git_work_tree_cfg;
-			/* make_absolute_path also normalizes the path */
-			if (work_tree && !is_absolute_path(work_tree))
-				work_tree = xstrdup(make_absolute_path(git_path("%s", work_tree)));
-		} else if (work_tree)
-			work_tree = xstrdup(make_absolute_path(work_tree));
-		git_work_tree_initialized = 1;
-		if (work_tree)
-			is_bare_repository_cfg = 0;
-	}
 	return work_tree;
 }
 
@@ -150,6 +210,43 @@ char *get_object_directory(void)
 	return git_object_dir;
 }
 
+int odb_mkstemp(char *template, size_t limit, const char *pattern)
+{
+	int fd;
+	/*
+	 * we let the umask do its job, don't try to be more
+	 * restrictive except to remove write permission.
+	 */
+	int mode = 0444;
+	snprintf(template, limit, "%s/%s",
+		 get_object_directory(), pattern);
+	fd = git_mkstemp_mode(template, mode);
+	if (0 <= fd)
+		return fd;
+
+	/* slow path */
+	/* some mkstemp implementations erase template on failure */
+	snprintf(template, limit, "%s/%s",
+		 get_object_directory(), pattern);
+	safe_create_leading_directories(template);
+	return xmkstemp_mode(template, mode);
+}
+
+int odb_pack_keep(char *name, size_t namesz, unsigned char *sha1)
+{
+	int fd;
+
+	snprintf(name, namesz, "%s/pack/pack-%s.keep",
+		 get_object_directory(), sha1_to_hex(sha1));
+	fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
+	if (0 <= fd)
+		return fd;
+
+	/* slow path */
+	safe_create_leading_directories(name);
+	return open(name, O_RDWR|O_CREAT|O_EXCL, 0600);
+}
+
 char *get_index_file(void)
 {
 	if (!git_index_file)
@@ -171,3 +268,14 @@ int set_git_dir(const char *path)
 	setup_git_env();
 	return 0;
 }
+
+const char *get_log_output_encoding(void)
+{
+	return git_log_output_encoding ? git_log_output_encoding
+		: get_commit_output_encoding();
+}
+
+const char *get_commit_output_encoding(void)
+{
+	return git_commit_encoding ? git_commit_encoding : "UTF-8";
+}