[PATCH 3/8] trace.c: export trace_setup_key

[Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>]

This is so that we can print traces based on this key outside trace.c.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 trace.c | 14 +++++++-------
 trace.h |  1 +
 2 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/trace.c b/trace.c
index 7f3b08e148..fc623e91fd 100644
--- a/trace.c
+++ b/trace.c
@@ -26,6 +26,7 @@
 
 struct trace_key trace_default_key = { "GIT_TRACE", 0, 0, 0 };
 struct trace_key trace_perf_key = TRACE_KEY_INIT(PERFORMANCE);
+struct trace_key trace_setup_key = TRACE_KEY_INIT(SETUP);
 
 /* Get a trace file descriptor from "key" env variable. */
 static int get_trace_fd(struct trace_key *key)
@@ -300,11 +301,10 @@ static const char *quote_crnl(const char *path)
 /* FIXME: move prefix to startup_info struct and get rid of this arg */
 void trace_repo_setup(const char *prefix)
 {
-	static struct trace_key key = TRACE_KEY_INIT(SETUP);
 	const char *git_work_tree;
 	char *cwd;
 
-	if (!trace_want(&key))
+	if (!trace_want(&trace_setup_key))
 		return;
 
 	cwd = xgetcwd();
@@ -315,11 +315,11 @@ void trace_repo_setup(const char *prefix)
 	if (!prefix)
 		prefix = "(null)";
 
-	trace_printf_key(&key, "setup: git_dir: %s\n", quote_crnl(get_git_dir()));
-	trace_printf_key(&key, "setup: git_common_dir: %s\n", quote_crnl(get_git_common_dir()));
-	trace_printf_key(&key, "setup: worktree: %s\n", quote_crnl(git_work_tree));
-	trace_printf_key(&key, "setup: cwd: %s\n", quote_crnl(cwd));
-	trace_printf_key(&key, "setup: prefix: %s\n", quote_crnl(prefix));
+	trace_printf_key(&trace_setup_key, "setup: git_dir: %s\n", quote_crnl(get_git_dir()));
+	trace_printf_key(&trace_setup_key, "setup: git_common_dir: %s\n", quote_crnl(get_git_common_dir()));
+	trace_printf_key(&trace_setup_key, "setup: worktree: %s\n", quote_crnl(git_work_tree));
+	trace_printf_key(&trace_setup_key, "setup: cwd: %s\n", quote_crnl(cwd));
+	trace_printf_key(&trace_setup_key, "setup: prefix: %s\n", quote_crnl(prefix));
 
 	free(cwd);
 }
diff --git a/trace.h b/trace.h
index 88055abef7..2b6a1bc17c 100644
--- a/trace.h
+++ b/trace.h
@@ -15,6 +15,7 @@ extern struct trace_key trace_default_key;
 
 #define TRACE_KEY_INIT(name) { "GIT_TRACE_" #name, 0, 0, 0 }
 extern struct trace_key trace_perf_key;
+extern struct trace_key trace_setup_key;
 
 extern void trace_repo_setup(const char *prefix);
 extern int trace_want(struct trace_key *key);
-- 
2.17.0.rc1.439.gca064e2955