Merge branch 'jk/maint-1.6.3-checkout-unborn' into maint

diff --git a/sha1_file.c b/sha1_file.c
index 8fe135dc61908103cf2d7de700794843f83db057..1d996a199036c115d46c1d630d53edf29b3b78e7 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -720,6 +720,8 @@ static int open_packed_git_1(struct packed_git *p)
                return error("packfile %s index unavailable", p->pack_name);
 
        p->pack_fd = open(p->pack_name, O_RDONLY);
+       while (p->pack_fd < 0 && errno == EMFILE && unuse_one_window(p, -1))
+               p->pack_fd = open(p->pack_name, O_RDONLY);
        if (p->pack_fd < 0 || fstat(p->pack_fd, &st))
                return -1;
 
@@ -791,7 +793,7 @@ static int in_window(struct pack_window *win, off_t offset)
                && (offset + 20) <= (win_off + win->len);
 }
 
-unsigned char* use_pack(struct packed_git *p,
+unsigned char *use_pack(struct packed_git *p,
                struct pack_window **w_cursor,
                off_t offset,
                unsigned int *left)
@@ -937,6 +939,8 @@ static void prepare_packed_git_one(char *objdir, int local)
        sprintf(path, "%s/pack", objdir);
        len = strlen(path);
        dir = opendir(path);
+       while (!dir && errno == EMFILE && unuse_one_window(packed_git, -1))
+               dir = opendir(path);
        if (!dir) {
                if (errno != ENOENT)
                        error("unable to open object pack directory: %s: %s",
@@ -1158,8 +1162,7 @@ unsigned long unpack_object_header_buffer(const unsigned char *buf,
                unsigned long len, enum object_type *type, unsigned long *sizep)
 {
        unsigned shift;
-       unsigned char c;
-       unsigned long size;
+       unsigned long size, c;
        unsigned long used = 0;
 
        c = buf[used++];
@@ -1167,7 +1170,7 @@ unsigned long unpack_object_header_buffer(const unsigned char *buf,
        size = c & 15;
        shift = 4;
        while (c & 0x80) {
-               if (len <= used || sizeof(long) * 8 <= shift) {
+               if (len <= used || bitsizeof(long) <= shift) {
                        error("bad object header");
                        return 0;
                }
@@ -2225,7 +2228,9 @@ int move_temp_to_file(const char *tmpfile, const char *filename)
 {
        int ret = 0;
 
-       if (link(tmpfile, filename))
+       if (object_creation_mode == OBJECT_CREATION_USES_RENAMES)
+               goto try_rename;
+       else if (link(tmpfile, filename))
                ret = errno;
 
        /*
@@ -2240,11 +2245,12 @@ int move_temp_to_file(const char *tmpfile, const char *filename)
         * left to unlink.
         */
        if (ret && ret != EEXIST) {
+       try_rename:
                if (!rename(tmpfile, filename))
                        goto out;
                ret = errno;
        }
-       unlink(tmpfile);
+       unlink_or_warn(tmpfile);
        if (ret) {
                if (ret != EEXIST) {
                        return error("unable to write sha1 filename %s: %s\n", filename, strerror(ret));
@@ -2280,7 +2286,7 @@ static void close_sha1_file(int fd)
        if (fsync_object_files)
                fsync_or_die(fd, "sha1 file");
        if (close(fd) != 0)
-               die("error when closing sha1 file (%s)", strerror(errno));
+               die_errno("error when closing sha1 file");
 }
 
 /* Size of directory component, including the ending '/' */
@@ -2336,6 +2342,8 @@ static int write_loose_object(const unsigned char *sha1, char *hdr, int hdrlen,
 
        filename = sha1_file_name(sha1);
        fd = create_tmpfile(tmpfile, sizeof(tmpfile), filename);
+       while (fd < 0 && errno == EMFILE && unuse_one_window(packed_git, -1))
+               fd = create_tmpfile(tmpfile, sizeof(tmpfile), filename);
        if (fd < 0) {
                if (errno == EACCES)
                        return error("insufficient permission for adding an object to repository database %s\n", get_object_directory());