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format-patch: add "--signature-file=<file>" option

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Add an option to format-patch for reading a signature from a file.

  $ git format-patch -1 --signature-file=$HOME/.signature

The config variable `format.signaturefile` can also be used to make
this the default.

  $ git config format.signaturefile $HOME/.signature

  $ git format-patch -1

Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeremiah Mahler
2014-05-23 21:08:14 -07:00
committed by Junio C Hamano
parent c6076e2b4a
commit 7022650f61
4 changed files with 86 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
builtin/log.c
View File

@ -673,6 +673,7 @@ static void add_header(const char *value)
static int thread;
static int do_signoff;
static const char *signature = git_version_string;
static const char *signature_file;
static int config_cover_letter;
enum {
@ -742,6 +743,8 @@ static int git_format_config(const char *var, const char *value, void *cb)
}
if (!strcmp(var, "format.signature"))
return git_config_string(&signature, var, value);
if (!strcmp(var, "format.signaturefile"))
return git_config_pathname(&signature_file, var, value);
if (!strcmp(var, "format.coverletter")) {
if (value && !strcasecmp(value, "auto")) {
config_cover_letter = COVER_AUTO;
@ -1235,6 +1238,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
PARSE_OPT_OPTARG, thread_callback },
OPT_STRING(0, "signature", &signature, N_("signature"),
N_("add a signature")),
OPT_FILENAME(0, "signature-file", &signature_file,
N_("add a signature from a file")),
OPT__QUIET(&quiet, N_("don't print the patch filenames")),
OPT_END()
};
@ -1452,6 +1457,18 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
cover_letter = (config_cover_letter == COVER_ON);
}
if (!signature) {
; /* --no-signature inhibits all signatures */
} else if (signature && signature != git_version_string) {
; /* non-default signature already set */
} else if (signature_file) {
struct strbuf buf = STRBUF_INIT;
if (strbuf_read_file(&buf, signature_file, 128) < 0)
die_errno(_("unable to read signature file '%s'"), signature_file);
signature = strbuf_detach(&buf, NULL);
}
if (in_reply_to || thread || cover_letter)
rev.ref_message_ids = xcalloc(1, sizeof(struct string_list));
if (in_reply_to) {