[PATCH v3 1/3] index-pack: add --max-input-size=<size> option
From: Christian Couder <hidden>
Date: 2016-08-24 18:42:29
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
From: Jeff King <redacted> When receiving a pack-file, it can be useful to abort the `git index-pack`, if the pack-file is too big. Signed-off-by: Jeff King <redacted> Signed-off-by: Christian Couder <redacted> --- Documentation/git-index-pack.txt | 2 ++ builtin/index-pack.c | 5 +++++ 2 files changed, 7 insertions(+)
diff --git a/Documentation/git-index-pack.txt b/Documentation/git-index-pack.txt
index 7a4e055..1b4b65d 100644
--- a/Documentation/git-index-pack.txt
+++ b/Documentation/git-index-pack.txt@@ -87,6 +87,8 @@ OPTIONS Specifying 0 will cause Git to auto-detect the number of CPU's and use maximum 3 threads. +--max-input-size=<size>:: + Die, if the pack is larger than <size>. Note ----
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 1d2ea58..4a8b4ae 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c@@ -87,6 +87,7 @@ static struct progress *progress; static unsigned char input_buffer[4096]; static unsigned int input_offset, input_len; static off_t consumed_bytes; +static off_t max_input_size; static unsigned deepest_delta; static git_SHA_CTX input_ctx; static uint32_t input_crc32;
@@ -297,6 +298,8 @@ static void use(int bytes) if (signed_add_overflows(consumed_bytes, bytes)) die(_("pack too large for current definition of off_t")); consumed_bytes += bytes; + if (max_input_size && consumed_bytes > max_input_size) + die(_("pack exceeds maximum allowed size")); } static const char *open_pack_file(const char *pack_name)
@@ -1714,6 +1717,8 @@ int cmd_index_pack(int argc, const char **argv, const char *prefix) opts.off32_limit = strtoul(c+1, &c, 0); if (*c || opts.off32_limit & 0x80000000) die(_("bad %s"), arg); + } else if (skip_prefix(arg, "--max-input-size=", &arg)) { + max_input_size = strtoumax(arg, NULL, 10); } else usage(index_pack_usage); continue;
--
2.10.0.rc1.3.g93be2b9