docs: fix filter-branch subdir example for exotic repo names

diff --git a/environment.c b/environment.c
index 149c132304fbffda4c942aef898932433263adcb..c3efbb96084de04465f7eff45376cadc3ab2526b 100644 (file)
--- a/environment.c
+++ b/environment.c
@@ -87,6 +87,7 @@ const char * const local_repo_env[LOCAL_REPO_ENV_SIZE + 1] = {
 static void setup_git_env(void)
 {
        git_dir = getenv(GIT_DIR_ENVIRONMENT);
+       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;
@@ -161,6 +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)
@@ -182,3 +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";
+}