If the reflist is "-" then read the reflist data from stdin instead,
this will allow the passing of more than 128K of reflist data - which
won't fit in the environment passed by execve.
Signed-off-by: Julian Phillips <julian@quantumfyre.co.uk>
---
builtin-fetch--tool.c | 24 ++++++++++++++++++++++--
1 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/builtin-fetch--tool.c b/builtin-fetch--tool.c
index 3090ffe..619ceb0 100644
--- a/builtin-fetch--tool.c
+++ b/builtin-fetch--tool.c
@@ -2,6 +2,20 @@
#include "refs.h"
#include "commit.h"
+static char *get_stdin(void)
+{
+#define CHUNK_SIZE (1048576)
+ char *data = xmalloc(CHUNK_SIZE);
+ int offset = 0, read = 0;
+ read = xread(0, data, CHUNK_SIZE);
+ while (read == CHUNK_SIZE) {
+ offset += CHUNK_SIZE;
+ data = xrealloc(data, offset + CHUNK_SIZE);
+ read = xread(0, data + offset, CHUNK_SIZE);
+ }
+ return data;
+}
+
static void show_new(char *type, unsigned char *sha1_new)
{
fprintf(stderr, " %s: %s\n", type,
@@ -463,12 +477,18 @@ int cmd_fetch__tool(int argc, const char **argv, const char *prefix)
if (!strcmp("parse-reflist", argv[1])) {
if (argc != 3)
return error("parse-reflist takes 1 arg");
- return parse_reflist(argv[2]);
+ const char *reflist = argv[2];
+ if (!strcmp(reflist, "-"))
+ reflist = get_stdin();
+ return parse_reflist(reflist);
}
if (!strcmp("expand-refs-wildcard", argv[1])) {
if (argc < 4)
return error("expand-refs-wildcard takes at least 2 args");
- return expand_refs_wildcard(argv[2], argc - 3, argv + 3);
+ const char *reflist = argv[2];
+ if (!strcmp(reflist, "-"))
+ reflist = get_stdin();
+ return expand_refs_wildcard(reflist, argc - 3, argv + 3);
}
return error("Unknown subcommand: %s", argv[1]);
--
1.4.4.4
-
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