static void rename_branch(const char *oldname, const char *newname, int force)
{
struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
int recovery = 0;
int clobber_head_ok;
if (!oldname)
die(_("cannot rename the current branch while not on any."));
if (strbuf_check_branch_ref(&oldref, oldname)) {
/*
* Bad name --- this could be an attempt to rename a
* ref that we used to allow to be created by accident.
*/
if (ref_exists(oldref.buf))
recovery = 1;
else
die(_("Invalid branch name: '%s'"), oldname);
}
/*
* A command like "git branch -M currentbranch currentbranch" cannot
* cause the worktree to become inconsistent with HEAD, so allow it.
*/
clobber_head_ok = !strcmp(oldname, newname);
validate_new_branchname(newname, &newref, force, clobber_head_ok);
reject_rebase_or_bisect_branch(oldref.buf);
strbuf_addf(&logmsg, "Branch: renamed %s to %s",
oldref.buf, newref.buf);
if (rename_ref(oldref.buf, newref.buf, logmsg.buf))
die(_("Branch rename failed"));
if (recovery)
warning(_("Renamed a misnamed branch '%s' away"), oldref.buf + 11);
if (replace_each_worktree_head_symref(oldref.buf, newref.buf, logmsg.buf))
die(_("Branch renamed to %s, but HEAD is not updated!"), newname);
strbuf_release(&logmsg);
strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11);
strbuf_release(&oldref);
strbuf_addf(&newsection, "branch.%s", newref.buf + 11);
strbuf_release(&newref);
if (git_config_rename_section(oldsection.buf, newsection.buf) < 0)
die(_("Branch is renamed, but update of config-file failed"));
strbuf_release(&oldsection);
strbuf_release(&newsection);
}
static void rename_branch(const char *oldname, const char *newname, int force)
{
struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
unsigned char sha1[20];
struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
int recovery = 0;
if (!oldname)
die("cannot rename the current branch while not on any.");
if (strbuf_check_branch_ref(&oldref, oldname)) {
/*
* Bad name --- this could be an attempt to rename a
* ref that we used to allow to be created by accident.
*/
if (resolve_ref(oldref.buf, sha1, 1, NULL))
recovery = 1;
else
die("Invalid branch name: '%s'", oldname);
}
if (strbuf_check_branch_ref(&newref, newname))
die("Invalid branch name: '%s'", newname);
if (resolve_ref(newref.buf, sha1, 1, NULL) && !force)
die("A branch named '%s' already exists.", newref.buf + 11);
strbuf_addf(&logmsg, "Branch: renamed %s to %s",
oldref.buf, newref.buf);
if (rename_ref(oldref.buf, newref.buf, logmsg.buf))
die("Branch rename failed");
strbuf_release(&logmsg);
if (recovery)
warning("Renamed a misnamed branch '%s' away", oldref.buf + 11);
/* no need to pass logmsg here as HEAD didn't really move */
if (!strcmp(oldname, head) && create_symref("HEAD", newref.buf, NULL))
die("Branch renamed to %s, but HEAD is not updated!", newname);
strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11);
strbuf_release(&oldref);
strbuf_addf(&newsection, "branch.%s", newref.buf + 11);
strbuf_release(&newref);
if (git_config_rename_section(oldsection.buf, newsection.buf) < 0)
die("Branch is renamed, but update of config-file failed");
strbuf_release(&oldsection);
strbuf_release(&newsection);
}
static void rename_branch(const char *oldname, const char *newname, int force)
{
struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
unsigned char sha1[20];
struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
if (!oldname)
die("cannot rename the current branch while not on any.");
strbuf_addf(&oldref, "refs/heads/%s", oldname);
if (check_ref_format(oldref.buf))
die("Invalid branch name: %s", oldref.buf);
strbuf_addf(&newref, "refs/heads/%s", newname);
if (check_ref_format(newref.buf))
die("Invalid branch name: %s", newref.buf);
if (resolve_ref(newref.buf, sha1, 1, NULL) && !force)
die("A branch named '%s' already exists.", newname);
strbuf_addf(&logmsg, "Branch: renamed %s to %s",
oldref.buf, newref.buf);
if (rename_ref(oldref.buf, newref.buf, logmsg.buf))
die("Branch rename failed");
strbuf_release(&logmsg);
/* no need to pass logmsg here as HEAD didn't really move */
if (!strcmp(oldname, head) && create_symref("HEAD", newref.buf, NULL))
die("Branch renamed to %s, but HEAD is not updated!", newname);
strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11);
strbuf_release(&oldref);
strbuf_addf(&newsection, "branch.%s", newref.buf + 11);
strbuf_release(&newref);
if (git_config_rename_section(oldsection.buf, newsection.buf) < 0)
die("Branch is renamed, but update of config-file failed");
strbuf_release(&oldsection);
strbuf_release(&newsection);
}
static void copy_or_rename_branch(const char *oldname, const char *newname, int copy, int force)
{
struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
const char *interpreted_oldname = NULL;
const char *interpreted_newname = NULL;
int recovery = 0;
if (!oldname) {
if (copy)
die(_("cannot copy the current branch while not on any."));
else
die(_("cannot rename the current branch while not on any."));
}
if (strbuf_check_branch_ref(&oldref, oldname)) {
/*
* Bad name --- this could be an attempt to rename a
* ref that we used to allow to be created by accident.
*/
if (ref_exists(oldref.buf))
recovery = 1;
else
die(_("Invalid branch name: '%s'"), oldname);
}
/*
* A command like "git branch -M currentbranch currentbranch" cannot
* cause the worktree to become inconsistent with HEAD, so allow it.
*/
if (!strcmp(oldname, newname))
validate_branchname(newname, &newref);
else
validate_new_branchname(newname, &newref, force);
reject_rebase_or_bisect_branch(oldref.buf);
if (!skip_prefix(oldref.buf, "refs/heads/", &interpreted_oldname) ||
!skip_prefix(newref.buf, "refs/heads/", &interpreted_newname)) {
BUG("expected prefix missing for refs");
}
if (copy)
strbuf_addf(&logmsg, "Branch: copied %s to %s",
oldref.buf, newref.buf);
else
strbuf_addf(&logmsg, "Branch: renamed %s to %s",
oldref.buf, newref.buf);
if (!copy && rename_ref(oldref.buf, newref.buf, logmsg.buf))
die(_("Branch rename failed"));
if (copy && copy_existing_ref(oldref.buf, newref.buf, logmsg.buf))
die(_("Branch copy failed"));
if (recovery) {
if (copy)
warning(_("Created a copy of a misnamed branch '%s'"),
interpreted_oldname);
else
warning(_("Renamed a misnamed branch '%s' away"),
interpreted_oldname);
}
if (!copy &&
replace_each_worktree_head_symref(oldref.buf, newref.buf, logmsg.buf))
die(_("Branch renamed to %s, but HEAD is not updated!"), newname);
strbuf_release(&logmsg);
strbuf_addf(&oldsection, "branch.%s", interpreted_oldname);
strbuf_release(&oldref);
strbuf_addf(&newsection, "branch.%s", interpreted_newname);
strbuf_release(&newref);
if (!copy && git_config_rename_section(oldsection.buf, newsection.buf) < 0)
die(_("Branch is renamed, but update of config-file failed"));
if (copy && strcmp(oldname, newname) && git_config_copy_section(oldsection.buf, newsection.buf) < 0)
die(_("Branch is copied, but update of config-file failed"));
strbuf_release(&oldsection);
strbuf_release(&newsection);
}
