Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
---
A blind alley. But it demonstrates how this works.
vcs-svn/fast_export.c | 23 +++++++++++++++--------
1 files changed, 15 insertions(+), 8 deletions(-)
diff --git a/vcs-svn/fast_export.c b/vcs-svn/fast_export.c
index 093ce1d..daac201 100644
--- a/vcs-svn/fast_export.c
+++ b/vcs-svn/fast_export.c
@@ -116,6 +116,19 @@ static const char *get_response_line(void)
return response_line.buf;
}
+static off_t cat_mark(uint32_t mark)
+{
+ const char *response;
+ off_t length = length;
+
+ printf("cat-blob :%"PRIu32"\n", mark);
+ fflush(stdout);
+ response = get_response_line();
+ if (parse_cat_response_line(response, &length))
+ die("invalid cat-blob response: %s", response);
+ return length;
+}
+
static long apply_delta(uint32_t mark, off_t len, struct line_buffer *input,
uint32_t old_mark, uint32_t old_mode)
{
@@ -126,14 +139,8 @@ static long apply_delta(uint32_t mark, off_t len, struct line_buffer *input,
if (init_postimage() || !(out = buffer_tmpfile_rewind(&postimage)))
die("cannot open temporary file for blob retrieval");
- if (old_mark) {
- const char *response;
- printf("cat-blob :%"PRIu32"\n", old_mark);
- fflush(stdout);
- response = get_response_line();
- if (parse_cat_response_line(response, &preimage_len))
- die("invalid cat-blob response: %s", response);
- }
+ if (old_mark)
+ preimage_len = cat_mark(old_mark);
if (old_mode == REPO_MODE_LNK) {
strbuf_addstr(&preimage.buf, "link ");
preimage_len += strlen("link ");
--
1.7.2.4
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