diff options
| -rw-r--r-- | Documentation/git-fast-export.txt | 8 | ||||
| -rw-r--r-- | builtin-fast-export.c | 9 |
2 files changed, 16 insertions, 1 deletions
diff --git a/Documentation/git-fast-export.txt b/Documentation/git-fast-export.txt index af2328d401..75b06f33e7 100644 --- a/Documentation/git-fast-export.txt +++ b/Documentation/git-fast-export.txt @@ -82,6 +82,14 @@ marks the same across runs. allow that. So fake a tagger to be able to fast-import the output. +--no-data:: + Skip output of blob objects and instead refer to blobs via + their original SHA-1 hash. This is useful when rewriting the + directory structure or history of a repository without + touching the contents of individual files. Note that the + resulting stream can only be used by a repository which + already contains the necessary objects. + [git-rev-list-args...]:: A list of arguments, acceptable to 'git-rev-parse' and 'git-rev-list', that specifies the specific objects and references diff --git a/builtin-fast-export.c b/builtin-fast-export.c index c48c18d0c8..b0a4029c94 100644 --- a/builtin-fast-export.c +++ b/builtin-fast-export.c @@ -26,6 +26,7 @@ static int progress; static enum { ABORT, VERBATIM, WARN, STRIP } signed_tag_mode = ABORT; static enum { ERROR, DROP, REWRITE } tag_of_filtered_mode = ABORT; static int fake_missing_tagger; +static int no_data; static int parse_opt_signed_tag_mode(const struct option *opt, const char *arg, int unset) @@ -116,6 +117,9 @@ static void handle_object(const unsigned char *sha1) char *buf; struct object *object; + if (no_data) + return; + if (is_null_sha1(sha1)) return; @@ -173,7 +177,7 @@ static void show_filemodify(struct diff_queue_struct *q, * Links refer to objects in another repositories; * output the SHA-1 verbatim. */ - if (S_ISGITLINK(spec->mode)) + if (no_data || S_ISGITLINK(spec->mode)) printf("M %06o %s %s\n", spec->mode, sha1_to_hex(spec->sha1), spec->path); else { @@ -580,6 +584,9 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) "Import marks from this file"), OPT_BOOLEAN(0, "fake-missing-tagger", &fake_missing_tagger, "Fake a tagger when tags lack one"), + { OPTION_NEGBIT, 0, "data", &no_data, NULL, + "Skip output of blob data", + PARSE_OPT_NOARG | PARSE_OPT_NEGHELP, NULL, 1 }, OPT_END() }; |