githooks.txt: minor improvements to the grammar & phrasing

diff --git a/environment.c b/environment.c
index 03cf5f67a61f7f88d47208f79d7e1bdf9bb9fd0e..6dec9d0403f11579a7ab316db87a1dbbc58e71b2 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -26,6 +26,7 @@ int warn_ambiguous_refs = 1;
 int warn_on_object_refname_ambiguity = 1;
 int ref_paranoia = -1;
 int repository_format_version;
+int repository_format_precious_objects;
 const char *git_commit_encoding;
 const char *git_log_output_encoding;
 int shared_repository = PERM_UMASK;
@@ -47,6 +48,7 @@ const char *askpass_program;
 const char *excludes_file;
 enum auto_crlf auto_crlf = AUTO_CRLF_FALSE;
 int check_replace_refs = 1;
+char *git_replace_ref_base;
 enum eol core_eol = EOL_UNSET;
 enum safe_crlf safe_crlf = SAFE_CRLF_WARN;
 unsigned whitespace_rule_cfg = WS_DEFAULT_RULE;
@@ -85,6 +87,13 @@ int auto_comment_line_char;
 /* Parallel index stat data preload? */
 int core_preload_index = 1;
 
+/*
+ * This is a hack for test programs like test-dump-untracked-cache to
+ * ensure that they do not modify the untracked cache when reading it.
+ * Do not use it otherwise!
+ */
+int ignore_untracked_cache_config;
+
 /* This is set by setup_git_dir_gently() and/or git_default_config() */
 char *git_work_tree_cfg;
 static char *work_tree;
@@ -110,6 +119,7 @@ const char * const local_repo_env[] = {
        GRAFT_ENVIRONMENT,
        INDEX_ENVIRONMENT,
        NO_REPLACE_OBJECTS_ENVIRONMENT,
+       GIT_REPLACE_REF_BASE_ENVIRONMENT,
        GIT_PREFIX_ENVIRONMENT,
        GIT_SHALLOW_FILE_ENVIRONMENT,
        GIT_COMMON_DIR_ENVIRONMENT,
@@ -141,11 +151,8 @@ static char *git_path_from_env(const char *envvar, const char *git_dir,
                               const char *path, int *fromenv)
 {
        const char *value = getenv(envvar);
-       if (!value) {
-               char *buf = xmalloc(strlen(git_dir) + strlen(path) + 2);
-               sprintf(buf, "%s/%s", git_dir, path);
-               return buf;
-       }
+       if (!value)
+               return xstrfmt("%s/%s", git_dir, path);
        if (fromenv)
                *fromenv = 1;
        return xstrdup(value);
@@ -156,6 +163,7 @@ static void setup_git_env(void)
        struct strbuf sb = STRBUF_INIT;
        const char *gitfile;
        const char *shallow_file;
+       const char *replace_ref_base;
 
        git_dir = getenv(GIT_DIR_ENVIRONMENT);
        if (!git_dir)
@@ -173,6 +181,9 @@ static void setup_git_env(void)
                                           "info/grafts", &git_graft_env);
        if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
                check_replace_refs = 0;
+       replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT);
+       git_replace_ref_base = xstrdup(replace_ref_base ? replace_ref_base
+                                                         : "refs/replace/");
        namespace = expand_namespace(getenv(GIT_NAMESPACE_ENVIRONMENT));
        namespace_len = strlen(namespace);
        shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT);
@@ -231,8 +242,6 @@ void set_git_work_tree(const char *new_work_tree)
        }
        git_work_tree_initialized = 1;
        work_tree = xstrdup(real_path(new_work_tree));
-       if (setenv(GIT_WORK_TREE_ENVIRONMENT, work_tree, 1))
-               die("could not set GIT_WORK_TREE to '%s'", work_tree);
 }
 
 const char *get_git_work_tree(void)