Add svndump_init_fd to allow reading dumps from arbitrary FDs

The existing function only allows reading from a filename or from
stdin. Allow passing of a FD and an additional FD for the back report
pipe. This allows us to retrieve the name of the pipe in the caller.

Signed-off-by: Florian Achleitner <florian.achleitner.2.6.31@gmail.com>
Acked-by: David Michael Barr <b@rr-dav.id.au>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/vcs-svn/svndump.c b/vcs-svn/svndump.c
index 2b168aee75ddc299f22c738b26f07e12c285f9ae..d81a078b8e21a902fdd8058673baab622fb375ba 100644 (file)
--- a/vcs-svn/svndump.c
+++ b/vcs-svn/svndump.c
@@ -468,11 +468,9 @@ void svndump_read(const char *url)
                end_revision();
 }
 
-int svndump_init(const char *filename)
+static void init(int report_fd)
 {
-       if (buffer_init(&input, filename))
-               return error("cannot open %s: %s", filename, strerror(errno));
-       fast_export_init(REPORT_FILENO);
+       fast_export_init(report_fd);
        strbuf_init(&dump_ctx.uuid, 4096);
        strbuf_init(&dump_ctx.url, 4096);
        strbuf_init(&rev_ctx.log, 4096);
@@ -482,6 +480,22 @@ int svndump_init(const char *filename)
        reset_dump_ctx(NULL);
        reset_rev_ctx(0);
        reset_node_ctx(NULL);
+       return;
+}
+
+int svndump_init(const char *filename)
+{
+       if (buffer_init(&input, filename))
+               return error("cannot open %s: %s", filename ? filename : "NULL", strerror(errno));
+       init(REPORT_FILENO);
+       return 0;
+}
+
+int svndump_init_fd(int in_fd, int back_fd)
+{
+       if(buffer_fdinit(&input, xdup(in_fd)))
+               return error("cannot open fd %d: %s", in_fd, strerror(errno));
+       init(xdup(back_fd));
        return 0;
 }
 

diff --git a/vcs-svn/svndump.h b/vcs-svn/svndump.h
index df9ceb0e8d473b65fc22ac142d3856dc4f9980e0..acb5b474d2208e0fb89456e03e0d1897e728cef3 100644 (file)
--- a/vcs-svn/svndump.h
+++ b/vcs-svn/svndump.h
@@ -2,6 +2,7 @@
 #define SVNDUMP_H_
 
 int svndump_init(const char *filename);
+int svndump_init_fd(int in_fd, int back_fd);
 void svndump_read(const char *url);
 void svndump_deinit(void);
 void svndump_reset(void);