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Allow reading svn dumps from files via file:// urls

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For testing as well as for importing large, already available dumps,
it's useful to bypass svnrdump and replay the svndump from a file
directly.

Add support for file:// urls in the remote url, e.g.

  svn::file:///path/to/dump

When the remote helper finds an url starting with file:// it tries to
open that file instead of invoking svnrdump.

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>
This commit is contained in:
Florian Achleitner 2012-09-19 17:21:23 +02:00 committed by Junio C Hamano
parent 271fd1fc2a
commit f6529de9f4
1 changed files with 32 additions and 18 deletions
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50
remote-testsvn.c
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@ -9,6 +9,7 @@
#include "argv-array.h"
static const char *url;
static int dump_from_file;
static const char *private_ref;
static const char *remote_ref = "refs/heads/master";
@ -54,29 +55,36 @@ static int cmd_import(const char *line)
struct argv_array svndump_argv = ARGV_ARRAY_INIT;
struct child_process svndump_proc;
memset(&svndump_proc, 0, sizeof(struct child_process));
svndump_proc.out = -1;
argv_array_push(&svndump_argv, "svnrdump");
argv_array_push(&svndump_argv, "dump");
argv_array_push(&svndump_argv, url);
argv_array_pushf(&svndump_argv, "-r%u:HEAD", startrev);
svndump_proc.argv = svndump_argv.argv;
code = start_command(&svndump_proc);
if (code)
die("Unable to start %s, code %d", svndump_proc.argv[0], code);
dumpin_fd = svndump_proc.out;
if (dump_from_file) {
dumpin_fd = open(url, O_RDONLY);
if(dumpin_fd < 0)
die_errno("Couldn't open svn dump file %s.", url);
} else {
memset(&svndump_proc, 0, sizeof(struct child_process));
svndump_proc.out = -1;
argv_array_push(&svndump_argv, "svnrdump");
argv_array_push(&svndump_argv, "dump");
argv_array_push(&svndump_argv, url);
argv_array_pushf(&svndump_argv, "-r%u:HEAD", startrev);
svndump_proc.argv = svndump_argv.argv;
code = start_command(&svndump_proc);
if (code)
die("Unable to start %s, code %d", svndump_proc.argv[0], code);
dumpin_fd = svndump_proc.out;
}
svndump_init_fd(dumpin_fd, STDIN_FILENO);
svndump_read(url, private_ref);
svndump_deinit();
svndump_reset();
close(dumpin_fd);
code = finish_command(&svndump_proc);
if (code)
warning("%s, returned %d", svndump_proc.argv[0], code);
argv_array_clear(&svndump_argv);
if (!dump_from_file) {
code = finish_command(&svndump_proc);
if (code)
warning("%s, returned %d", svndump_proc.argv[0], code);
argv_array_clear(&svndump_argv);
}
return 0;
}
@ -151,8 +159,14 @@ int main(int argc, const char **argv)
remote = remote_get(argv[1]);
url_in = (argc == 3) ? argv[2] : remote->url[0];
end_url_with_slash(&url_sb, url_in);
url = url_sb.buf;
if (!prefixcmp(url_in, "file://")) {
dump_from_file = 1;
url = url_decode(url_in + sizeof("file://")-1);
} else {
dump_from_file = 0;
end_url_with_slash(&url_sb, url_in);
url = url_sb.buf;
}
strbuf_addf(&private_ref_sb, "refs/svn/%s/master", remote->name);
private_ref = private_ref_sb.buf;