Combine To: and Cc: headers
RFC 2822 only permits a single To: header and a single Cc: header, so we need to turn multiple values of each of these into a list. This will be particularly significant with a command-line option to add Cc: headers, where the user can't make sure to configure valid header sets in any easy way. Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -411,28 +411,47 @@ static int istitlechar(char c)
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(c >= '0' && c <= '9') || c == '.' || c == '_';
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}
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static char *extra_headers = NULL;
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static int extra_headers_size = 0;
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static const char *fmt_patch_suffix = ".patch";
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static int numbered = 0;
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static int auto_number = 0;
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static char **extra_hdr;
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static int extra_hdr_nr;
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static int extra_hdr_alloc;
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static char **extra_to;
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static int extra_to_nr;
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static int extra_to_alloc;
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static char **extra_cc;
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static int extra_cc_nr;
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static int extra_cc_alloc;
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static void add_header(const char *value)
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{
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int len = strlen(value);
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while (value[len - 1] == '\n')
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len--;
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if (!strncasecmp(value, "to: ", 4)) {
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ALLOC_GROW(extra_to, extra_to_nr + 1, extra_to_alloc);
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extra_to[extra_to_nr++] = xstrndup(value + 4, len - 4);
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return;
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}
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if (!strncasecmp(value, "cc: ", 4)) {
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ALLOC_GROW(extra_cc, extra_cc_nr + 1, extra_cc_alloc);
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extra_cc[extra_cc_nr++] = xstrndup(value + 4, len - 4);
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return;
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}
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ALLOC_GROW(extra_hdr, extra_hdr_nr + 1, extra_hdr_alloc);
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extra_hdr[extra_hdr_nr++] = xstrndup(value, len);
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}
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static int git_format_config(const char *var, const char *value)
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{
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if (!strcmp(var, "format.headers")) {
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int len;
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if (!value)
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die("format.headers without value");
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len = strlen(value);
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while (value[len - 1] == '\n')
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len--;
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extra_headers_size += len + 2;
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extra_headers = xrealloc(extra_headers, extra_headers_size);
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extra_headers[extra_headers_size - len - 2] = 0;
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strcat(extra_headers, value);
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extra_headers[extra_headers_size - 2] = '\n';
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extra_headers[extra_headers_size - 1] = 0;
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add_header(value);
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return 0;
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}
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if (!strcmp(var, "format.suffix")) {
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@ -712,6 +731,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
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const char *in_reply_to = NULL;
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struct patch_ids ids;
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char *add_signoff = NULL;
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struct strbuf buf;
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git_config(git_format_config);
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init_revisions(&rev, prefix);
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@ -724,7 +744,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
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DIFF_OPT_SET(&rev.diffopt, RECURSIVE);
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rev.subject_prefix = fmt_patch_subject_prefix;
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rev.extra_headers = extra_headers;
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/*
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* Parse the arguments before setup_revisions(), or something
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@ -815,6 +834,37 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
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}
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argc = j;
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strbuf_init(&buf, 0);
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for (i = 0; i < extra_hdr_nr; i++) {
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strbuf_addstr(&buf, extra_hdr[i]);
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strbuf_addch(&buf, '\n');
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}
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if (extra_to_nr)
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strbuf_addstr(&buf, "To: ");
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for (i = 0; i < extra_to_nr; i++) {
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if (i)
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strbuf_addstr(&buf, " ");
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strbuf_addstr(&buf, extra_to[i]);
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if (i + 1 < extra_to_nr)
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strbuf_addch(&buf, ',');
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strbuf_addch(&buf, '\n');
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}
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if (extra_cc_nr)
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strbuf_addstr(&buf, "Cc: ");
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for (i = 0; i < extra_cc_nr; i++) {
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if (i)
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strbuf_addstr(&buf, " ");
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strbuf_addstr(&buf, extra_cc[i]);
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if (i + 1 < extra_cc_nr)
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strbuf_addch(&buf, ',');
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strbuf_addch(&buf, '\n');
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}
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rev.extra_headers = strbuf_detach(&buf, 0);
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if (start_number < 0)
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start_number = 1;
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if (numbered && keep_subject)
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@ -112,7 +112,7 @@ test_expect_success 'extra headers without newlines' '
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'
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test_expect_failure 'extra headers with multiple To:s' '
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test_expect_success 'extra headers with multiple To:s' '
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git config --replace-all format.headers "To: R. E. Cipient <rcipient@example.com>" &&
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git config --add format.headers "To: S. E. Cipient <scipient@example.com>" &&
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