[PATCH v1 4/6] config: remove `core_compression_level`

[Ben Boeckel <mathstuf@gmail.com>]

This variable is just stored to after parsing `core.compression` and
then ignored, so it can just be completely removed.

Signed-off-by: Ben Boeckel <mathstuf@gmail.com>
---
 cache.h       | 1 -
 config.c      | 1 -
 environment.c | 1 -
 3 files changed, 3 deletions(-)

diff --git a/cache.h b/cache.h
index dc6c4172cb..4fd134863c 100644
--- a/cache.h
+++ b/cache.h
@@ -947,7 +947,6 @@ extern int warn_on_object_refname_ambiguity;
 extern const char *git_attributes_file;
 extern const char *git_hooks_path;
 extern int zlib_compression_level;
-extern int core_compression_level;
 extern int pack_compression_level;
 extern size_t packed_git_window_size;
 extern size_t packed_git_limit;
diff --git a/config.c b/config.c
index c45001adbe..b241a56cfb 100644
--- a/config.c
+++ b/config.c
@@ -1401,7 +1401,6 @@ static int git_default_core_config(const char *var, const char *value, void *cb)
 			level = Z_DEFAULT_COMPRESSION;
 		else if (level < 0 || level > Z_BEST_COMPRESSION)
 			die(_("bad zlib compression level %d"), level);
-		core_compression_level = level;
 		core_compression_seen = 1;
 		if (!zlib_compression_seen)
 			zlib_compression_level = level;
diff --git a/environment.c b/environment.c
index 0cc086d847..3b995434fc 100644
--- a/environment.c
+++ b/environment.c
@@ -39,7 +39,6 @@ const char *git_log_output_encoding;
 const char *git_attributes_file;
 const char *git_hooks_path;
 int zlib_compression_level = Z_BEST_SPEED;
-int core_compression_level;
 int pack_compression_level = Z_DEFAULT_COMPRESSION;
 int fsync_object_files;
 size_t packed_git_window_size = DEFAULT_PACKED_GIT_WINDOW_SIZE;
-- 
2.31.1