The 'read-cache.c' file already includes 'environment.h', which provides
the extern declarations for variables like 'trust_executable_bit' and
'has_symlinks'.

Remove the redundant extern declarations inside 'st_mode_from_ce()' to
clean up the code.

Mentored-by: Christian Couder [off-list ref]
Mentored-by: Ayush Chandekar [off-list ref]
Mentored-by: Olamide Caleb Bello [off-list ref]
Signed-off-by: Tian Yuchen <redacted>
---
 read-cache.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/read-cache.c b/read-cache.c
index 38a04b8de3..c44e4d128f 100644
--- a/read-cache.c
+++ b/read-cache.c

@@ -204,8 +204,6 @@ void fill_stat_cache_info(struct index_state *istate, struct cache_entry *ce, st
 
 static unsigned int st_mode_from_ce(const struct cache_entry *ce)
 {
-	extern int trust_executable_bit, has_symlinks;
-
 	switch (ce->ce_mode & S_IFMT) {
 	case S_IFLNK:
 		return has_symlinks ? S_IFLNK : (S_IFREG | 0644);

-- 
2.43.0