rev-parse: document --is-inside-git-dir

diff --git a/config.c b/config.c
index 70d105567921fe75518d8d5fe3d3df4aad0659cd..0614c2b29fa93b66065ec6bc20712d38193aec89 100644 (file)
--- a/config.c
+++ b/config.c
@@ -12,6 +12,8 @@
 static FILE *config_file;
 static const char *config_file_name;
 static int config_linenr;
+static int zlib_compression_seen;
+
 static int get_next_char(void)
 {
        int c;
@@ -299,8 +301,14 @@ int git_default_config(const char *var, const char *value)
                return 0;
        }
 
-       if (!strcmp(var, "core.legacyheaders")) {
-               use_legacy_headers = git_config_bool(var, value);
+       if (!strcmp(var, "core.loosecompression")) {
+               int level = git_config_int(var, value);
+               if (level == -1)
+                       level = Z_DEFAULT_COMPRESSION;
+               else if (level < 0 || level > Z_BEST_COMPRESSION)
+                       die("bad zlib compression level %d", level);
+               zlib_compression_level = level;
+               zlib_compression_seen = 1;
                return 0;
        }
 
@@ -310,7 +318,10 @@ int git_default_config(const char *var, const char *value)
                        level = Z_DEFAULT_COMPRESSION;
                else if (level < 0 || level > Z_BEST_COMPRESSION)
                        die("bad zlib compression level %d", level);
-               zlib_compression_level = level;
+               core_compression_level = level;
+               core_compression_seen = 1;
+               if (!zlib_compression_seen)
+                       zlib_compression_level = level;
                return 0;
        }
 
@@ -451,6 +462,9 @@ static int matches(const char* key, const char* value)
 
 static int store_aux(const char* key, const char* value)
 {
+       const char *ep;
+       size_t section_len;
+
        switch (store.state) {
        case KEY_SEEN:
                if (matches(key, value)) {
@@ -468,12 +482,29 @@ static int store_aux(const char* key, const char* value)
                }
                break;
        case SECTION_SEEN:
-               if (strncmp(key, store.key, store.baselen+1)) {
+               /*
+                * What we are looking for is in store.key (both
+                * section and var), and its section part is baselen
+                * long.  We found key (again, both section and var).
+                * We would want to know if this key is in the same
+                * section as what we are looking for.  We already
+                * know we are in the same section as what should
+                * hold store.key.
+                */
+               ep = strrchr(key, '.');
+               section_len = ep - key;
+
+               if ((section_len != store.baselen) ||
+                   memcmp(key, store.key, section_len+1)) {
                        store.state = SECTION_END_SEEN;
                        break;
-               } else
-                       /* do not increment matches: this is no match */
-                       store.offset[store.seen] = ftell(config_file);
+               }
+
+               /*
+                * Do not increment matches: this is no match, but we
+                * just made sure we are in the desired section.
+                */
+               store.offset[store.seen] = ftell(config_file);
                /* fallthru */
        case SECTION_END_SEEN:
        case START: