From 0667fcfb6271e9e1ea032a0e3a7d74c9d6a5fa8a Mon Sep 17 00:00:00 2001 From: Johannes Schindelin Date: Sat, 16 Dec 2006 15:14:14 +0100 Subject: [PATCH] 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 --- builtin-repo-config.c | 14 ++++++++- cache.h | 1 + config.c | 64 ++++++++++++++++++++++++++++++++++++++++++ t/t1300-repo-config.sh | 48 +++++++++++++++++++++++++++++++ 4 files changed, 126 insertions(+), 1 deletion(-) diff --git a/builtin-repo-config.c b/builtin-repo-config.c index 64fbdb7b2..a38099a63 100644 --- a/builtin-repo-config.c +++ b/builtin-repo-config.c @@ -3,7 +3,7 @@ #include static const char git_config_set_usage[] = -"git-repo-config [ --global ] [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --list"; +"git-repo-config [ --global ] [ --bool | --int ] [--get | --get-all | --get-regexp | --replace-all | --add | --unset | --unset-all] name [value [value_regex]] | --rename-section old_name new_name | --list"; static char *key; static regex_t *key_regexp; @@ -148,6 +148,18 @@ int cmd_repo_config(int argc, const char **argv, const char *prefix) } else { die("$HOME not set"); } + } else if (!strcmp(argv[1], "--rename-section")) { + int ret; + if (argc != 4) + usage(git_config_set_usage); + ret = git_config_rename_section(argv[2], argv[3]); + if (ret < 0) + return ret; + if (ret == 0) { + fprintf(stderr, "No such section!\n"); + return 1; + } + return 0; } else break; argc--; diff --git a/cache.h b/cache.h index 2d3df98dc..bfab4f975 100644 --- a/cache.h +++ b/cache.h @@ -404,6 +404,7 @@ extern int git_config_int(const char *, const char *); extern int git_config_bool(const char *, const char *); extern int git_config_set(const char *, const char *); extern int git_config_set_multivar(const char *, const char *, const char *, int); +extern int git_config_rename_section(const char *, const char *); extern int check_repository_format_version(const char *var, const char *value); #define MAX_GITNAME (1000) diff --git a/config.c b/config.c index 1bdef44a3..663993fef 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; +} diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh index 16cd64261..e48a4ecdc 100755 --- a/t/t1300-repo-config.sh +++ b/t/t1300-repo-config.sh @@ -343,5 +343,53 @@ EOF test_expect_success '--set in alternative GIT_CONFIG' 'cmp other-config expect' +cat > .git/config << EOF +# Hallo + #Bello +[branch "eins"] + x = 1 +[branch.eins] + y = 1 + [branch "1 234 blabl/a"] +weird +EOF + +test_expect_success "rename section" \ + "git-repo-config --rename-section branch.eins branch.zwei" + +cat > expect << EOF +# Hallo + #Bello +[branch "zwei"] + x = 1 +[branch "zwei"] + y = 1 + [branch "1 234 blabl/a"] +weird +EOF + +test_expect_success "rename succeeded" "diff -u expect .git/config" + +test_expect_failure "rename non-existing section" \ + 'git-repo-config --rename-section branch."world domination" branch.drei' + +test_expect_success "rename succeeded" "diff -u expect .git/config" + +test_expect_success "rename another section" \ + 'git-repo-config --rename-section branch."1 234 blabl/a" branch.drei' + +cat > expect << EOF +# Hallo + #Bello +[branch "zwei"] + x = 1 +[branch "zwei"] + y = 1 +[branch "drei"] +weird +EOF + +test_expect_success "rename succeeded" "diff -u expect .git/config" + test_done -- 2.30.2