xwrite: poll on non-blocking FDs

diff --git a/cache.h b/cache.h
index 030b88025705bd035bc911e35a061f45864d114c..5ab6cb50a61e24dc418b351db8acc648b740c244 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -11,11 +11,29 @@
 #include "string-list.h"
 
 #include SHA1_HEADER
-#ifndef git_SHA_CTX
-#define git_SHA_CTX    SHA_CTX
-#define git_SHA1_Init  SHA1_Init
-#define git_SHA1_Update        SHA1_Update
-#define git_SHA1_Final SHA1_Final
+#ifndef platform_SHA_CTX
+/*
+ * platform's underlying implementation of SHA-1; could be OpenSSL,
+ * blk_SHA, Apple CommonCrypto, etc...  Note that including
+ * SHA1_HEADER may have already defined platform_SHA_CTX for our
+ * own implementations like block-sha1 and ppc-sha1, so we list
+ * the default for OpenSSL compatible SHA-1 implementations here.
+ */
+#define platform_SHA_CTX       SHA_CTX
+#define platform_SHA1_Init     SHA1_Init
+#define platform_SHA1_Update   SHA1_Update
+#define platform_SHA1_Final            SHA1_Final
+#endif
+
+#define git_SHA_CTX            platform_SHA_CTX
+#define git_SHA1_Init          platform_SHA1_Init
+#define git_SHA1_Update                platform_SHA1_Update
+#define git_SHA1_Final         platform_SHA1_Final
+
+#ifdef SHA1_MAX_BLOCK_SIZE
+#include "compat/sha1-chunked.h"
+#undef git_SHA1_Update
+#define git_SHA1_Update                git_SHA1_Update_Chunked
 #endif
 
 #include <zlib.h>
@@ -443,6 +461,7 @@ extern char *get_object_directory(void);
 extern char *get_index_file(void);
 extern char *get_graft_file(void);
 extern int set_git_dir(const char *path);
+extern int get_common_dir_noenv(struct strbuf *sb, const char *gitdir);
 extern int get_common_dir(struct strbuf *sb, const char *gitdir);
 extern const char *get_git_namespace(void);
 extern const char *strip_namespace(const char *namespaced_ref);
@@ -520,7 +539,8 @@ extern int write_locked_index(struct index_state *, struct lock_file *lock, unsi
 extern int discard_index(struct index_state *);
 extern int unmerged_index(const struct index_state *);
 extern int verify_path(const char *path);
-extern struct cache_entry *index_dir_exists(struct index_state *istate, const char *name, int namelen);
+extern int index_dir_exists(struct index_state *istate, const char *name, int namelen);
+extern void adjust_dirname_case(struct index_state *istate, char *name);
 extern struct cache_entry *index_file_exists(struct index_state *istate, const char *name, int namelen, int igncase);
 extern int index_name_pos(const struct index_state *, const char *name, int namelen);
 #define ADD_CACHE_OK_TO_ADD 1          /* Ok to add */
@@ -696,8 +716,15 @@ extern char *notes_ref_name;
 
 extern int grafts_replace_parents;
 
+/*
+ * GIT_REPO_VERSION is the version we write by default. The
+ * _READ variant is the highest number we know how to
+ * handle.
+ */
 #define GIT_REPO_VERSION 0
+#define GIT_REPO_VERSION_READ 1
 extern int repository_format_version;
+extern int repository_format_precious_objects;
 extern int check_repository_format(void);
 
 #define MTIME_CHANGED  0x0001
@@ -1021,6 +1048,9 @@ static inline int has_sha1_file(const unsigned char *sha1)
        return has_sha1_file_with_flags(sha1, 0);
 }
 
+/* Same as the above, except for struct object_id. */
+extern int has_object_file(const struct object_id *oid);
+
 /*
  * Return true iff an alternate object database has a loose object
  * with the specified name.  This function does not respect replace
@@ -1122,7 +1152,6 @@ struct date_mode {
                DATE_NORMAL = 0,
                DATE_RELATIVE,
                DATE_SHORT,
-               DATE_LOCAL,
                DATE_ISO8601,
                DATE_ISO8601_STRICT,
                DATE_RFC2822,
@@ -1130,6 +1159,7 @@ struct date_mode {
                DATE_RAW
        } type;
        const char *strftime_fmt;
+       int local;
 };
 
 /*
@@ -1280,8 +1310,11 @@ struct pack_entry {
 
 extern struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path);
 
-/* A hook for count-objects to report invalid files in pack directory */
-extern void (*report_garbage)(const char *desc, const char *path);
+/* A hook to report invalid files in pack directory */
+#define PACKDIR_FILE_PACK 1
+#define PACKDIR_FILE_IDX 2
+#define PACKDIR_FILE_GARBAGE 4
+extern void (*report_garbage)(unsigned seen_bits, const char *path);
 
 extern void prepare_packed_git(void);
 extern void reprepare_packed_git(void);
@@ -1306,10 +1339,11 @@ extern void close_pack_index(struct packed_git *);
 
 extern unsigned char *use_pack(struct packed_git *, struct pack_window **, off_t, unsigned long *);
 extern void close_pack_windows(struct packed_git *);
+extern void close_all_packs(void);
 extern void unuse_pack(struct pack_window **);
 extern void free_pack_by_name(const char *);
 extern void clear_delta_base_cache(void);
-extern struct packed_git *add_packed_git(const char *, int, int);
+extern struct packed_git *add_packed_git(const char *path, size_t path_len, int local);
 
 /*
  * Return the SHA-1 of the nth object within the specified packfile.
@@ -1737,4 +1771,12 @@ void stat_validity_update(struct stat_validity *sv, int fd);
 int versioncmp(const char *s1, const char *s2);
 void sleep_millisec(int millisec);
 
+/*
+ * Create a directory and (if share is nonzero) adjust its permissions
+ * according to the shared_repository setting. Only use this for
+ * directories under $GIT_DIR.  Don't use it for working tree
+ * directories.
+ */
+void safe_create_dir(const char *dir, int share);
+
 #endif /* CACHE_H */