Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=f48e6b2690c43120ec87e4... Commit: f48e6b2690c43120ec87e4fa913b2bd952a53511 Parent: ed58672029567858709113b67337e4dfaf31d210 Author: David Teigland teigland@redhat.com AuthorDate: Tue Mar 7 12:01:06 2017 -0600 Committer: David Teigland teigland@redhat.com CommitterDate: Wed Mar 8 11:03:02 2017 -0600
help: avoid end notes repetition in lvm help all
--- tools/command.c | 6 +++--- tools/command.h | 2 +- tools/lvmcmdline.c | 15 ++++++++++----- 3 files changed, 14 insertions(+), 9 deletions(-)
diff --git a/tools/command.c b/tools/command.c index 5fc5ff3..d184208 100644 --- a/tools/command.c +++ b/tools/command.c @@ -1989,9 +1989,9 @@ void print_usage_common_cmd(struct command_name *cname, struct command *cmd) printf("\n\n"); }
-void print_usage_notes(struct command_name *cname, struct command *cmd) +void print_usage_notes(struct command_name *cname) { - if (command_has_alternate_extents(cname->name)) { + if (cname && command_has_alternate_extents(cname->name)) { printf(" Special options for command:\n"); printf(" [ --extents Number[PERCENT] ]\n" " The --extents option can be used in place of --size.\n" @@ -1999,7 +1999,7 @@ void print_usage_notes(struct command_name *cname, struct command *cmd) printf("\n"); }
- if (!strcmp(cname->name, "lvcreate")) { + if (cname && !strcmp(cname->name, "lvcreate")) { printf(" [ --name String ]\n" " The --name option is not required but is typically used.\n" " When a name is not specified, a new LV name is generated\n" diff --git a/tools/command.h b/tools/command.h index 0109853..2e4dba3 100644 --- a/tools/command.h +++ b/tools/command.h @@ -216,7 +216,7 @@ int command_id_to_enum(const char *str); void print_usage(struct command *cmd, int longhelp, int desc_first); void print_usage_common_cmd(struct command_name *cname, struct command *cmd); void print_usage_common_lvm(struct command_name *cname, struct command *cmd); -void print_usage_notes(struct command_name *cname, struct command *cmd); +void print_usage_notes(struct command_name *cname); void factor_common_options(void); int command_has_alternate_extents(const char *name);
diff --git a/tools/lvmcmdline.c b/tools/lvmcmdline.c index 53856ce..ad638af 100644 --- a/tools/lvmcmdline.c +++ b/tools/lvmcmdline.c @@ -1694,7 +1694,7 @@ static void _short_usage(const char *name) log_error("Run `%s --help' for more information.", name); }
-static int _usage(const char *name, int longhelp) +static int _usage(const char *name, int longhelp, int skip_notes) { struct command_name *cname = find_command_name(name); struct command *cmd; @@ -1739,8 +1739,11 @@ static int _usage(const char *name, int longhelp) print_usage_common_lvm(cname, cmd); }
+ if (skip_notes) + return 1; + if (longhelp) - print_usage_notes(cname, cmd); + print_usage_notes(cname); else log_print("Use --longhelp to show all options and advanced commands.");
@@ -1754,8 +1757,10 @@ static void _usage_all(void) for (i = 0; i < MAX_COMMAND_NAMES; i++) { if (!command_names[i].name) break; - _usage(command_names[i].name, 1); + _usage(command_names[i].name, 1, 1); } + + print_usage_notes(NULL); }
/* @@ -2202,7 +2207,7 @@ static int _process_common_commands(struct cmd_context *cmd) if (arg_is_set(cmd, help_ARG) || arg_is_set(cmd, longhelp_ARG) || arg_is_set(cmd, help2_ARG)) { - _usage(cmd->name, arg_is_set(cmd, longhelp_ARG)); + _usage(cmd->name, arg_is_set(cmd, longhelp_ARG), 0); return ECMD_PROCESSED; }
@@ -2240,7 +2245,7 @@ int help(struct cmd_context *cmd __attribute__((unused)), int argc, char **argv) else { int i; for (i = 0; i < argc; i++) - if (!_usage(argv[i], 0)) + if (!_usage(argv[i], 0, 0)) ret = EINVALID_CMD_LINE; }