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Merge branch 'jc/refuse-push-to-current'

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* jc/refuse-push-to-current:
  receive-pack: explain what to do when push updates the current branch
This commit is contained in:
Junio C Hamano 2009-02-05 19:40:36 -08:00
commit 5d680a67d7
2 changed files with 46 additions and 18 deletions
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46
builtin-receive-pack.c
View File

@ -12,6 +12,7 @@
static const char receive_pack_usage[] = "git receive-pack <git-dir>";
enum deny_action {
DENY_UNCONFIGURED,
DENY_IGNORE,
DENY_WARN,
DENY_REFUSE,
@ -19,7 +20,7 @@ enum deny_action {
static int deny_deletes = 0;
static int deny_non_fast_forwards = 0;
static enum deny_action deny_current_branch = DENY_WARN;
static enum deny_action deny_current_branch = DENY_UNCONFIGURED;
static int receive_fsck_objects;
static int receive_unpack_limit = -1;
static int transfer_unpack_limit = -1;
@ -214,6 +215,35 @@ static int is_ref_checked_out(const char *ref)
return !strcmp(head, ref);
}
static char *warn_unconfigured_deny_msg[] = {
"Updating the currently checked out branch may cause confusion,",
"as the index and work tree do not reflect changes that are in HEAD.",
"As a result, you may see the changes you just pushed into it",
"reverted when you run 'git diff' over there, and you may want",
"to run 'git reset --hard' before starting to work to recover.",
"",
"You can set 'receive.denyCurrentBranch' configuration variable to",
"'refuse' in the remote repository to forbid pushing into its",
"current branch."
"",
"To allow pushing into the current branch, you can set it to 'ignore';",
"but this is not recommended unless you arranged to update its work",
"tree to match what you pushed in some other way.",
"",
"To squelch this message, you can set it to 'warn'.",
"",
"Note that the default will change in a future version of git",
"to refuse updating the current branch unless you have the",
"configuration variable set to either 'ignore' or 'warn'."
};
static void warn_unconfigured_deny(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(warn_unconfigured_deny_msg); i++)
warning(warn_unconfigured_deny_msg[i]);
}
static const char *update(struct command *cmd)
{
const char *name = cmd->ref_name;
@ -227,23 +257,21 @@ static const char *update(struct command *cmd)
return "funny refname";
}
if (is_ref_checked_out(name)) {
switch (deny_current_branch) {
case DENY_IGNORE:
break;
case DENY_UNCONFIGURED:
case DENY_WARN:
if (!is_ref_checked_out(name))
break;
warning("updating the currently checked out branch; this may"
" cause confusion,\n"
"as the index and working tree do not reflect changes"
" that are now in HEAD.");
warning("updating the current branch");
if (deny_current_branch == DENY_UNCONFIGURED)
warn_unconfigured_deny();
break;
case DENY_REFUSE:
if (!is_ref_checked_out(name))
break;
error("refusing to update checked out branch: %s", name);
return "branch is currently checked out";
}
}
if (!is_null_sha1(new_sha1) && !has_sha1_file(new_sha1)) {
error("unpack should have generated %s, "

6
t/t5516-fetch-push.sh
View File

@ -492,7 +492,7 @@ test_expect_success 'warn on push to HEAD of non-bare repository' '
git checkout master &&
git config receive.denyCurrentBranch warn) &&
git push testrepo master 2>stderr &&
grep "warning.*this may cause confusion" stderr
grep "warning: updating the current branch" stderr
'
test_expect_success 'deny push to HEAD of non-bare repository' '
@ -510,7 +510,7 @@ test_expect_success 'allow push to HEAD of bare repository (bare)' '
git config receive.denyCurrentBranch true &&
git config core.bare true) &&
git push testrepo master 2>stderr &&
! grep "warning.*this may cause confusion" stderr
! grep "warning: updating the current branch" stderr
'
test_expect_success 'allow push to HEAD of non-bare repository (config)' '
@ -520,7 +520,7 @@ test_expect_success 'allow push to HEAD of non-bare repository (config)' '
git config receive.denyCurrentBranch false
) &&
git push testrepo master 2>stderr &&
! grep "warning.*this may cause confusion" stderr
! grep "warning: updating the current branch" stderr
'
test_expect_success 'fetch with branches' '