HOME must be set before calling git-init when creating test repositories

[thirdparty/git.git] / environment.c

diff --git a/environment.c b/environment.c
index 5de683784039f20b55f58ef36cb04a11f6a10610..c3efbb96084de04465f7eff45376cadc3ab2526b 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -37,9 +37,11 @@ size_t delta_base_cache_limit = 16 * 1024 * 1024;
 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 */
+enum auto_crlf auto_crlf = AUTO_CRLF_FALSE;
 int read_replace_refs = 1;
+enum eol 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;
@@ -49,7 +51,10 @@ enum push_default_type push_default = PUSH_DEFAULT_MATCHING;
 #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
 #endif
 enum object_creation_mode object_creation_mode = OBJECT_CREATION_MODE;
+char *notes_ref_name;
 int grafts_replace_parents = 1;
+int core_apply_sparse_checkout;
+struct startup_info *startup_info;
 
 /* Parallel index stat data preload? */
 int core_preload_index = 0;
@@ -59,13 +64,34 @@ char *git_work_tree_cfg;
 static char *work_tree;
 
 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 void setup_git_env(void)
 {
        git_dir = getenv(GIT_DIR_ENVIRONMENT);
-       if (!git_dir)
+       git_dir = git_dir ? xstrdup(git_dir) : NULL;
+       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 = DEFAULT_GIT_DIR_ENVIRONMENT;
        git_object_dir = getenv(DB_ENVIRONMENT);
@@ -73,8 +99,6 @@ 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);
@@ -83,6 +107,8 @@ static void setup_git_env(void)
        git_graft_file = getenv(GRAFT_ENVIRONMENT);
        if (!git_graft_file)
                git_graft_file = git_pathdup("info/grafts");
+       if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
+               read_replace_refs = 0;
 }
 
 int is_bare_repository(void)
@@ -112,30 +138,20 @@ 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 = make_absolute_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;
 }
 
 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;
 }
 
@@ -146,6 +162,43 @@ 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)
@@ -167,3 +220,14 @@ 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";
+}