add have_git_dir() function

dmpot · spearce · commit d2b0708e1a65 · 2008-09-30T14:30:06.000-07:00
This function is used to learn whether git_dir is already set up or not.
It is necessary, because we want to read configuration in compat/cygwin.c

Signed-off-by: Dmitry Potapov &lt;dpotapov@gmail.com&gt;
Signed-off-by: Shawn O. Pearce &lt;spearce@spearce.org&gt;
diff --git a/cache.h b/cache.h
@@ -313,6 +313,7 @@ extern int is_bare_repository(void);
 extern int is_inside_git_dir(void);
 extern char *git_work_tree_cfg;
 extern int is_inside_work_tree(void);
+extern int have_git_dir(void);
 extern const char *get_git_dir(void);
 extern char *get_object_directory(void);
 extern char *get_index_file(void);
diff --git a/environment.c b/environment.c
@@ -80,6 +80,11 @@ int is_bare_repository(void)
 	return is_bare_repository_cfg && !get_git_work_tree();
 }
 
+int have_git_dir(void)
+{
+	return !!git_dir;
+}
+
 const char *get_git_dir(void)
 {
 	if (!git_dir)

Original file line number	Diff line number	Diff line change
`@@ -80,6 +80,11 @@ int is_bare_repository(void)`
`80`	`80`	`return is_bare_repository_cfg && !get_git_work_tree();`
`81`	`81`	`}`
`82`	`82`
	`83`	`+int have_git_dir(void)`
	`84`	`+{`
	`85`	`+ return !!git_dir;`
	`86`	`+}`
	`87`	`+`
`83`	`88`	`const char *get_git_dir(void)`
`84`	`89`	`{`
`85`	`90`	`if (!git_dir)`