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f5f7684596
The synopsis text and the usage string of subcommands that read list of things from the standard input are often shown as if they only take input from a file on a filesystem, which was misleading. * jc/usage-stdin: usage: do not insist that standard input must come from a file
61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
#include "builtin.h"
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#include "cache.h"
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#include "parse-options.h"
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#include "strbuf.h"
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static void comment_lines(struct strbuf *buf)
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{
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char *msg;
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size_t len;
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msg = strbuf_detach(buf, &len);
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strbuf_add_commented_lines(buf, msg, len);
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free(msg);
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}
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static const char * const stripspace_usage[] = {
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N_("git stripspace [-s | --strip-comments]"),
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N_("git stripspace [-c | --comment-lines]"),
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NULL
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};
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enum stripspace_mode {
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STRIP_DEFAULT = 0,
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STRIP_COMMENTS,
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COMMENT_LINES
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};
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int cmd_stripspace(int argc, const char **argv, const char *prefix)
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{
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struct strbuf buf = STRBUF_INIT;
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enum stripspace_mode mode = STRIP_DEFAULT;
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const struct option options[] = {
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OPT_CMDMODE('s', "strip-comments", &mode,
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N_("skip and remove all lines starting with comment character"),
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STRIP_COMMENTS),
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OPT_CMDMODE('c', "comment-lines", &mode,
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N_("prepend comment character and blank to each line"),
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COMMENT_LINES),
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OPT_END()
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};
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argc = parse_options(argc, argv, prefix, options, stripspace_usage, 0);
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if (argc)
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usage_with_options(stripspace_usage, options);
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if (mode == STRIP_COMMENTS || mode == COMMENT_LINES)
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git_config(git_default_config, NULL);
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if (strbuf_read(&buf, 0, 1024) < 0)
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die_errno("could not read the input");
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if (mode == STRIP_DEFAULT || mode == STRIP_COMMENTS)
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strbuf_stripspace(&buf, mode == STRIP_COMMENTS);
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else
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comment_lines(&buf);
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write_or_die(1, buf.buf, buf.len);
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strbuf_release(&buf);
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return 0;
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}
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