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clone: allow "--dissociate" without reference

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The "--reference" option is not the only way to provide a repository
to borrow objects from.  A repository that borrows from another
repository can be cloned with "clone --local" and the resulting
repository will borrow from the same repository, which the user
may want to "--dissociate" from.

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Alex Riesen
2015-10-22 18:41:17 +02:00
committed by Junio C Hamano
parent 74301d6ede
commit 0181681e92
3 changed files with 26 additions and 10 deletions
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16
builtin/clone.c
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@ -801,11 +801,15 @@ static void write_refspec_config(const char *src_ref_prefix,
static void dissociate_from_references(void)
{
static const char* argv[] = { "repack", "-a", "-d", NULL };
char *alternates = git_pathdup("objects/info/alternates");
if (run_command_v_opt(argv, RUN_GIT_CMD|RUN_COMMAND_NO_STDIN))
die(_("cannot repack to clean up"));
if (unlink(git_path("objects/info/alternates")) && errno != ENOENT)
die_errno(_("cannot unlink temporary alternates file"));
if (!access(alternates, F_OK)) {
if (run_command_v_opt(argv, RUN_GIT_CMD|RUN_COMMAND_NO_STDIN))
die(_("cannot repack to clean up"));
if (unlink(alternates) && errno != ENOENT)
die_errno(_("cannot unlink temporary alternates file"));
}
free(alternates);
}
int cmd_clone(int argc, const char **argv, const char *prefix)
@ -954,10 +958,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (option_reference.nr)
setup_reference();
else if (option_dissociate) {
warning(_("--dissociate given, but there is no --reference"));
option_dissociate = 0;
}
fetch_pattern = value.buf;
refspec = parse_fetch_refspec(1, &fetch_pattern);