diff options
Diffstat (limited to 'builtin/receive-pack.c')
| -rw-r--r-- | builtin/receive-pack.c | 97 |
1 files changed, 93 insertions, 4 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 32fc540ef3..8266c1fccf 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -26,7 +26,8 @@ enum deny_action { DENY_UNCONFIGURED, DENY_IGNORE, DENY_WARN, - DENY_REFUSE + DENY_REFUSE, + DENY_UPDATE_INSTEAD }; static int deny_deletes; @@ -76,6 +77,8 @@ static enum deny_action parse_deny_action(const char *var, const char *value) return DENY_WARN; if (!strcasecmp(value, "refuse")) return DENY_REFUSE; + if (!strcasecmp(value, "updateinstead")) + return DENY_UPDATE_INSTEAD; } if (git_config_bool(var, value)) return DENY_REFUSE; @@ -431,7 +434,7 @@ static const char *check_nonce(const char *buf, size_t len) nonce_stamp_slop = (long)ostamp - (long)stamp; if (nonce_stamp_slop_limit && - abs(nonce_stamp_slop) <= nonce_stamp_slop_limit) { + labs(nonce_stamp_slop) <= nonce_stamp_slop_limit) { /* * Pretend as if the received nonce (which passes the * HMAC check, so it is not a forged by third-party) @@ -730,11 +733,89 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si) return 0; } +static const char *update_worktree(unsigned char *sha1) +{ + const char *update_refresh[] = { + "update-index", "-q", "--ignore-submodules", "--refresh", NULL + }; + const char *diff_files[] = { + "diff-files", "--quiet", "--ignore-submodules", "--", NULL + }; + const char *diff_index[] = { + "diff-index", "--quiet", "--cached", "--ignore-submodules", + "HEAD", "--", NULL + }; + const char *read_tree[] = { + "read-tree", "-u", "-m", NULL, NULL + }; + const char *work_tree = git_work_tree_cfg ? git_work_tree_cfg : ".."; + struct argv_array env = ARGV_ARRAY_INIT; + struct child_process child = CHILD_PROCESS_INIT; + + if (is_bare_repository()) + return "denyCurrentBranch = updateInstead needs a worktree"; + + argv_array_pushf(&env, "GIT_DIR=%s", absolute_path(get_git_dir())); + + child.argv = update_refresh; + child.env = env.argv; + child.dir = work_tree; + child.no_stdin = 1; + child.stdout_to_stderr = 1; + child.git_cmd = 1; + if (run_command(&child)) { + argv_array_clear(&env); + return "Up-to-date check failed"; + } + + /* run_command() does not clean up completely; reinitialize */ + child_process_init(&child); + child.argv = diff_files; + child.env = env.argv; + child.dir = work_tree; + child.no_stdin = 1; + child.stdout_to_stderr = 1; + child.git_cmd = 1; + if (run_command(&child)) { + argv_array_clear(&env); + return "Working directory has unstaged changes"; + } + + child_process_init(&child); + child.argv = diff_index; + child.env = env.argv; + child.no_stdin = 1; + child.no_stdout = 1; + child.stdout_to_stderr = 0; + child.git_cmd = 1; + if (run_command(&child)) { + argv_array_clear(&env); + return "Working directory has staged changes"; + } + + read_tree[3] = sha1_to_hex(sha1); + child_process_init(&child); + child.argv = read_tree; + child.env = env.argv; + child.dir = work_tree; + child.no_stdin = 1; + child.no_stdout = 1; + child.stdout_to_stderr = 0; + child.git_cmd = 1; + if (run_command(&child)) { + argv_array_clear(&env); + return "Could not update working tree to new HEAD"; + } + + argv_array_clear(&env); + return NULL; +} + static const char *update(struct command *cmd, struct shallow_info *si) { const char *name = cmd->ref_name; struct strbuf namespaced_name_buf = STRBUF_INIT; - const char *namespaced_name; + const char *namespaced_name, *ret; unsigned char *old_sha1 = cmd->old_sha1; unsigned char *new_sha1 = cmd->new_sha1; @@ -760,6 +841,11 @@ static const char *update(struct command *cmd, struct shallow_info *si) if (deny_current_branch == DENY_UNCONFIGURED) refuse_unconfigured_deny(); return "branch is currently checked out"; + case DENY_UPDATE_INSTEAD: + ret = update_worktree(new_sha1); + if (ret) + return ret; + break; } } @@ -784,10 +870,13 @@ static const char *update(struct command *cmd, struct shallow_info *si) break; case DENY_REFUSE: case DENY_UNCONFIGURED: + case DENY_UPDATE_INSTEAD: if (deny_delete_current == DENY_UNCONFIGURED) refuse_unconfigured_deny_delete_current(); rp_error("refusing to delete the current branch: %s", name); return "deletion of the current branch prohibited"; + default: + return "Invalid denyDeleteCurrent setting"; } } } @@ -964,7 +1053,7 @@ static void check_aliased_updates(struct command *commands) string_list_append(&ref_list, cmd->ref_name); item->util = (void *)cmd; } - sort_string_list(&ref_list); + string_list_sort(&ref_list); for (cmd = commands; cmd; cmd = cmd->next) { if (!cmd->error_string) |