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| author | Nguyễn Thái Ngọc Duy <pclouds@gmail.com> | 2013-01-11 16:05:46 +0700 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2013-01-11 09:09:30 -0800 |
| commit | 4dcb167fc3536db0e78c50f239cd3a19afd383fa (patch) | |
| tree | bce14f1a6fc52523022a0cd324659ef3e4e7801e /builtin | |
| parent | 15999998fbda60552742275570947431b57108ae (diff) | |
| download | git-4dcb167fc3536db0e78c50f239cd3a19afd383fa.tar.gz git-4dcb167fc3536db0e78c50f239cd3a19afd383fa.tar.xz | |
fetch: add --unshallow for turning shallow repo into complete one
The user can do --depth=2147483647 (*) for restoring complete repo
now. But it's hard to remember. Any other numbers larger than the
longest commit chain in the repository would also do, but some
guessing may be involved. Make easy-to-remember --unshallow an alias
for --depth=2147483647.
Make upload-pack recognize this special number as infinite depth. The
effect is essentially the same as before, except that upload-pack is
more efficient because it does not have to traverse to the bottom
anymore.
The chance of a user actually wanting exactly 2147483647 commits
depth, not infinite, on a repository with a history that long, is
probably too small to consider. The client can learn to add or
subtract one commit to avoid the special treatment when that actually
happens.
(*) This is the largest positive number a 32-bit signed integer can
contain. JGit and older C Git store depth as "int" so both are OK
with this number. Dulwich does not support shallow clone.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin')
| -rw-r--r-- | builtin/fetch.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/builtin/fetch.c b/builtin/fetch.c index 4b5a89839..3b97fc9bc 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -32,7 +32,7 @@ enum { static int all, append, dry_run, force, keep, multiple, prune, update_head_ok, verbosity; static int progress = -1, recurse_submodules = RECURSE_SUBMODULES_DEFAULT; -static int tags = TAGS_DEFAULT; +static int tags = TAGS_DEFAULT, unshallow; static const char *depth; static const char *upload_pack; static struct strbuf default_rla = STRBUF_INIT; @@ -82,6 +82,9 @@ static struct option builtin_fetch_options[] = { OPT_BOOL(0, "progress", &progress, N_("force progress reporting")), OPT_STRING(0, "depth", &depth, N_("depth"), N_("deepen history of shallow clone")), + { OPTION_SET_INT, 0, "unshallow", &unshallow, NULL, + N_("convert to a complete repository"), + PARSE_OPT_NONEG | PARSE_OPT_NOARG, NULL, 1 }, { OPTION_STRING, 0, "submodule-prefix", &submodule_prefix, N_("dir"), N_("prepend this to submodule path output"), PARSE_OPT_HIDDEN }, { OPTION_STRING, 0, "recurse-submodules-default", @@ -970,6 +973,18 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, builtin_fetch_options, builtin_fetch_usage, 0); + if (unshallow) { + if (depth) + die(_("--depth and --unshallow cannot be used together")); + else if (!is_repository_shallow()) + die(_("--unshallow on a complete repository does not make sense")); + else { + static char inf_depth[12]; + sprintf(inf_depth, "%d", INFINITE_DEPTH); + depth = inf_depth; + } + } + if (recurse_submodules != RECURSE_SUBMODULES_OFF) { if (recurse_submodules_default) { int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default); |