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-rw-r--r--builtin/mailinfo.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/builtin/mailinfo.c b/builtin/mailinfo.c
new file mode 100644
index 000000000000..cfb667a594c8
--- /dev/null
+++ b/builtin/mailinfo.c
@@ -0,0 +1,65 @@
+/*
+ * Another stupid program, this one parsing the headers of an
+ * email to figure out authorship and subject
+ */
+#include "cache.h"
+#include "builtin.h"
+#include "utf8.h"
+#include "strbuf.h"
+#include "mailinfo.h"
+
+static const char mailinfo_usage[] =
+	"git mailinfo [-k | -b] [-m | --message-id] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] <msg> <patch> < mail >info";
+
+int cmd_mailinfo(int argc, const char **argv, const char *prefix)
+{
+	const char *def_charset;
+	struct mailinfo mi;
+	int status;
+	char *msgfile, *patchfile;
+
+	setup_mailinfo(&mi);
+
+	def_charset = get_commit_output_encoding();
+	mi.metainfo_charset = def_charset;
+
+	while (1 < argc && argv[1][0] == '-') {
+		if (!strcmp(argv[1], "-k"))
+			mi.keep_subject = 1;
+		else if (!strcmp(argv[1], "-b"))
+			mi.keep_non_patch_brackets_in_subject = 1;
+		else if (!strcmp(argv[1], "-m") || !strcmp(argv[1], "--message-id"))
+			mi.add_message_id = 1;
+		else if (!strcmp(argv[1], "-u"))
+			mi.metainfo_charset = def_charset;
+		else if (!strcmp(argv[1], "-n"))
+			mi.metainfo_charset = NULL;
+		else if (starts_with(argv[1], "--encoding="))
+			mi.metainfo_charset = argv[1] + 11;
+		else if (!strcmp(argv[1], "--scissors"))
+			mi.use_scissors = 1;
+		else if (!strcmp(argv[1], "--no-scissors"))
+			mi.use_scissors = 0;
+		else if (!strcmp(argv[1], "--no-inbody-headers"))
+			mi.use_inbody_headers = 0;
+		else
+			usage(mailinfo_usage);
+		argc--; argv++;
+	}
+
+	if (argc != 3)
+		usage(mailinfo_usage);
+
+	mi.input = stdin;
+	mi.output = stdout;
+
+	msgfile = prefix_filename(prefix, argv[1]);
+	patchfile = prefix_filename(prefix, argv[2]);
+
+	status = !!mailinfo(&mi, msgfile, patchfile);
+	clear_mailinfo(&mi);
+
+	free(msgfile);
+	free(patchfile);
+	return status;
+}