Makefile: add PYTHON_PATH to GIT-BUILD-OPTIONS

diff --git a/sha1_file.c b/sha1_file.c
index c0214d794635e2046c20dee298c9c0db5dda8f91..d8e61a65d10ed6fa792d207e36fb6b245ef86970 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -35,13 +35,6 @@ static size_t sz_fmt(size_t s) { return s; }
 
 const unsigned char null_sha1[20];
 
-static inline int offset_1st_component(const char *path)
-{
-       if (has_dos_drive_prefix(path))
-               return 2 + (path[2] == '/');
-       return *path == '/';
-}
-
 int safe_create_leading_directories(char *path)
 {
        char *pos = path + offset_1st_component(path);
@@ -606,6 +599,14 @@ void unuse_pack(struct pack_window **w_cursor)
        }
 }
 
+void close_pack_index(struct packed_git *p)
+{
+       if (p->index_data) {
+               munmap((void *)p->index_data, p->index_size);
+               p->index_data = NULL;
+       }
+}
+
 /*
  * This is used by git-repack in case a newly created pack happens to
  * contain the same set of objects as an existing one.  In that case
@@ -627,8 +628,7 @@ void free_pack_by_name(const char *pack_name)
                        close_pack_windows(p);
                        if (p->pack_fd != -1)
                                close(p->pack_fd);
-                       if (p->index_data)
-                               munmap((void *)p->index_data, p->index_size);
+                       close_pack_index(p);
                        free(p->bad_object_sha1);
                        *pp = p->next;
                        free(p);
@@ -838,9 +838,8 @@ struct packed_git *add_packed_git(const char *path, int path_len, int local)
        return p;
 }
 
-struct packed_git *parse_pack_index(unsigned char *sha1)
+struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path)
 {
-       const char *idx_path = sha1_pack_index_name(sha1);
        const char *path = sha1_pack_name(sha1);
        struct packed_git *p = alloc_packed_git(strlen(path) + 1);
 
@@ -2206,7 +2205,7 @@ int move_temp_to_file(const char *tmpfile, const char *filename)
        }
 
 out:
-       if (set_shared_perm(filename, (S_IFREG|0444)))
+       if (adjust_shared_perm(filename))
                return error("unable to set permission to '%s'", filename);
        return 0;
 }
@@ -2262,7 +2261,7 @@ static int create_tmpfile(char *buffer, size_t bufsiz, const char *filename)
        }
        memcpy(buffer, filename, dirlen);
        strcpy(buffer + dirlen, "tmp_obj_XXXXXX");
-       fd = mkstemp(buffer);
+       fd = git_mkstemp_mode(buffer, 0444);
        if (fd < 0 && dirlen && errno == ENOENT) {
                /* Make sure the directory exists */
                memcpy(buffer, filename, dirlen);
@@ -2272,13 +2271,13 @@ static int create_tmpfile(char *buffer, size_t bufsiz, const char *filename)
 
                /* Try again */
                strcpy(buffer + dirlen - 1, "/tmp_obj_XXXXXX");
-               fd = mkstemp(buffer);
+               fd = git_mkstemp_mode(buffer, 0444);
        }
        return fd;
 }
 
 static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen,
-                             void *buf, unsigned long len, time_t mtime)
+                             const void *buf, unsigned long len, time_t mtime)
 {
        int fd, ret;
        unsigned char compressed[4096];
@@ -2314,7 +2313,7 @@ static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen,
        git_SHA1_Update(&c, hdr, hdrlen);
 
        /* Then the data itself.. */
-       stream.next_in = buf;
+       stream.next_in = (void *)buf;
        stream.avail_in = len;
        do {
                unsigned char *in0 = stream.next_in;
@@ -2349,7 +2348,7 @@ static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen,
        return move_temp_to_file(tmpfile, filename);
 }
 
-int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *returnsha1)
+int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *returnsha1)
 {
        unsigned char sha1[20];
        char hdr[32];
@@ -2439,6 +2438,8 @@ static int index_mem(unsigned char *sha1, void *buf, size_t size,
        return ret;
 }
 
+#define SMALL_FILE_SIZE (32*1024)
+
 int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object,
             enum object_type type, const char *path)
 {
@@ -2453,12 +2454,21 @@ int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object,
                else
                        ret = -1;
                strbuf_release(&sbuf);
-       } else if (size) {
+       } else if (!size) {
+               ret = index_mem(sha1, NULL, size, write_object, type, path);
+       } else if (size <= SMALL_FILE_SIZE) {
+               char *buf = xmalloc(size);
+               if (size == read_in_full(fd, buf, size))
+                       ret = index_mem(sha1, buf, size, write_object, type,
+                                       path);
+               else
+                       ret = error("short read %s", strerror(errno));
+               free(buf);
+       } else {
                void *buf = xmmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
                ret = index_mem(sha1, buf, size, write_object, type, path);
                munmap(buf, size);
-       } else
-               ret = index_mem(sha1, NULL, size, write_object, type, path);
+       }
        close(fd);
        return ret;
 }
@@ -2513,3 +2523,13 @@ int read_pack_header(int fd, struct pack_header *header)
                return PH_ERROR_PROTOCOL;
        return 0;
 }
+
+void assert_sha1_type(const unsigned char *sha1, enum object_type expect)
+{
+       enum object_type type = sha1_object_info(sha1, NULL);
+       if (type < 0)
+               die("%s is not a valid object", sha1_to_hex(sha1));
+       if (type != expect)
+               die("%s is not a valid '%s' object", sha1_to_hex(sha1),
+                   typename(expect));
+}