From 0667fcfb6271e9e1ea032a0e3a7d74c9d6a5fa8a Mon Sep 17 00:00:00 2001 From: Johannes Schindelin Date: Sat, 16 Dec 2006 15:14:14 +0100 Subject: add a function to rename sections in the config Given a config like this: # A config [very.interesting.section] not The command $ git repo-config --rename-section very.interesting.section bla.1 will lead to this config: # A config [bla "1"] not Signed-off-by: Johannes Schindelin Signed-off-by: Junio C Hamano --- config.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) (limited to 'config.c') diff --git a/config.c b/config.c index 1bdef44a3a..663993fefa 100644 --- a/config.c +++ b/config.c @@ -746,4 +746,68 @@ out_free: return ret; } +int git_config_rename_section(const char *old_name, const char *new_name) +{ + int ret = 0; + const char *config_filename; + struct lock_file *lock = xcalloc(sizeof(struct lock_file), 1); + int out_fd; + char buf[1024]; + + config_filename = getenv("GIT_CONFIG"); + if (!config_filename) { + config_filename = getenv("GIT_CONFIG_LOCAL"); + if (!config_filename) + config_filename = git_path("config"); + } + config_filename = xstrdup(config_filename); + out_fd = hold_lock_file_for_update(lock, config_filename, 0); + if (out_fd < 0) + return error("Could not lock config file!"); + + if (!(config_file = fopen(config_filename, "rb"))) + return error("Could not open config file!"); + + while (fgets(buf, sizeof(buf), config_file)) { + int i; + for (i = 0; buf[i] && isspace(buf[i]); i++) + ; /* do nothing */ + if (buf[i] == '[') { + /* it's a section */ + int j = 0, dot = 0; + for (i++; buf[i] && buf[i] != ']'; i++) { + if (!dot && isspace(buf[i])) { + dot = 1; + if (old_name[j++] != '.') + break; + for (i++; isspace(buf[i]); i++) + ; /* do nothing */ + if (buf[i] != '"') + break; + continue; + } + if (buf[i] == '\\' && dot) + i++; + else if (buf[i] == '"' && dot) { + for (i++; isspace(buf[i]); i++) + ; /* do_nothing */ + break; + } + if (buf[i] != old_name[j++]) + break; + } + if (buf[i] == ']') { + /* old_name matches */ + ret++; + store.baselen = strlen(new_name); + store_write_section(out_fd, new_name); + continue; + } + } + write(out_fd, buf, strlen(buf)); + } + if (close(out_fd) || commit_lock_file(lock) < 0) + return error("Cannot commit config file!"); + return ret; +} -- cgit v1.2.1