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Merge branch 'jc/refuse-push-to-current'
* jc/refuse-push-to-current: receive-pack: explain what to do when push updates the current branch
This commit is contained in:
commit
5d680a67d7
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@ -12,6 +12,7 @@
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static const char receive_pack_usage[] = "git receive-pack <git-dir>";
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enum deny_action {
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DENY_UNCONFIGURED,
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DENY_IGNORE,
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DENY_WARN,
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DENY_REFUSE,
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@ -19,7 +20,7 @@ enum deny_action {
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static int deny_deletes = 0;
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static int deny_non_fast_forwards = 0;
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static enum deny_action deny_current_branch = DENY_WARN;
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static enum deny_action deny_current_branch = DENY_UNCONFIGURED;
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static int receive_fsck_objects;
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static int receive_unpack_limit = -1;
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static int transfer_unpack_limit = -1;
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@ -214,6 +215,35 @@ static int is_ref_checked_out(const char *ref)
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return !strcmp(head, ref);
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}
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static char *warn_unconfigured_deny_msg[] = {
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"Updating the currently checked out branch may cause confusion,",
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"as the index and work tree do not reflect changes that are in HEAD.",
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"As a result, you may see the changes you just pushed into it",
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"reverted when you run 'git diff' over there, and you may want",
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"to run 'git reset --hard' before starting to work to recover.",
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"",
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"You can set 'receive.denyCurrentBranch' configuration variable to",
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"'refuse' in the remote repository to forbid pushing into its",
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"current branch."
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"",
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"To allow pushing into the current branch, you can set it to 'ignore';",
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"but this is not recommended unless you arranged to update its work",
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"tree to match what you pushed in some other way.",
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"",
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"To squelch this message, you can set it to 'warn'.",
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"",
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"Note that the default will change in a future version of git",
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"to refuse updating the current branch unless you have the",
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"configuration variable set to either 'ignore' or 'warn'."
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};
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static void warn_unconfigured_deny(void)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(warn_unconfigured_deny_msg); i++)
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warning(warn_unconfigured_deny_msg[i]);
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}
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static const char *update(struct command *cmd)
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{
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const char *name = cmd->ref_name;
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@ -227,22 +257,20 @@ static const char *update(struct command *cmd)
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return "funny refname";
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}
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switch (deny_current_branch) {
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case DENY_IGNORE:
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break;
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case DENY_WARN:
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if (!is_ref_checked_out(name))
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if (is_ref_checked_out(name)) {
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switch (deny_current_branch) {
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case DENY_IGNORE:
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break;
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warning("updating the currently checked out branch; this may"
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" cause confusion,\n"
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"as the index and working tree do not reflect changes"
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" that are now in HEAD.");
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break;
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case DENY_REFUSE:
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if (!is_ref_checked_out(name))
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case DENY_UNCONFIGURED:
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case DENY_WARN:
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warning("updating the current branch");
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if (deny_current_branch == DENY_UNCONFIGURED)
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warn_unconfigured_deny();
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break;
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error("refusing to update checked out branch: %s", name);
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return "branch is currently checked out";
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case DENY_REFUSE:
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error("refusing to update checked out branch: %s", name);
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return "branch is currently checked out";
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}
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}
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if (!is_null_sha1(new_sha1) && !has_sha1_file(new_sha1)) {
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@ -492,7 +492,7 @@ test_expect_success 'warn on push to HEAD of non-bare repository' '
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git checkout master &&
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git config receive.denyCurrentBranch warn) &&
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git push testrepo master 2>stderr &&
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grep "warning.*this may cause confusion" stderr
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grep "warning: updating the current branch" stderr
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'
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test_expect_success 'deny push to HEAD of non-bare repository' '
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@ -510,7 +510,7 @@ test_expect_success 'allow push to HEAD of bare repository (bare)' '
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git config receive.denyCurrentBranch true &&
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git config core.bare true) &&
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git push testrepo master 2>stderr &&
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! grep "warning.*this may cause confusion" stderr
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! grep "warning: updating the current branch" stderr
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'
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test_expect_success 'allow push to HEAD of non-bare repository (config)' '
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@ -520,7 +520,7 @@ test_expect_success 'allow push to HEAD of non-bare repository (config)' '
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git config receive.denyCurrentBranch false
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) &&
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git push testrepo master 2>stderr &&
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! grep "warning.*this may cause confusion" stderr
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! grep "warning: updating the current branch" stderr
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'
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test_expect_success 'fetch with branches' '
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