diff options
Diffstat (limited to 'help.c')
| -rw-r--r-- | help.c | 44 |
1 files changed, 44 insertions, 0 deletions
@@ -160,6 +160,50 @@ static void usage_command_group_internal(const struct cmd_group *grp, int full, } } +void usage_command_group_short(const struct cmd_group *grp) +{ + const char * const *usagestr = grp->usagestr; + FILE *outf = stdout; + const struct cmd_struct *cmd; + + if (usagestr && *usagestr) { + fprintf(outf, "usage: %s\n", *usagestr++); + while (*usagestr) + fprintf(outf, " or: %s\n", *usagestr++); + } + + fputc('\n', outf); + + fprintf(outf, "Command groups:\n"); + for (cmd = grp->commands; cmd->token; cmd++) { + if (cmd->hidden) + continue; + + if (!cmd->next) + continue; + + fprintf(outf, " %-16s %s\n", cmd->token, cmd->next->infostr); + } + + fprintf(outf, "\nCommands:\n"); + for (cmd = grp->commands; cmd->token; cmd++) { + if (cmd->hidden) + continue; + + if (cmd->next) + continue; + + fprintf(outf, " %-16s %s\n", cmd->token, cmd->usagestr[1]); + } + + fputc('\n', outf); + fprintf(stderr, "For an overview of a given command use 'btrfs command --help'\n"); + fprintf(stderr, "or 'btrfs [command...] --help --full' to print all available options.\n"); + fprintf(stderr, "Any command name can be shortened as far as it stays unambiguous,\n"); + fprintf(stderr, "however it is recommended to use full command names in scripts.\n"); + fprintf(stderr, "All command groups have their manual page named 'btrfs-<group>'.\n"); +} + void usage_command_group(const struct cmd_group *grp, int full, int err) { const char * const *usagestr = grp->usagestr; |