[PATCH v2 7/9] gpg-interface: introduce new config to select per gpg format program

[Henning Schild <henning.schild@siemens.com>]

Supporting multiple signing formats we will have the need to configure a
custom program each. Add a new config value to cater for that.

Signed-off-by: Henning Schild <henning.schild@siemens.com>
---
 Documentation/config.txt | 5 +++++
 gpg-interface.c          | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/config.txt b/Documentation/config.txt
index ac373e3f4..c0bd80954 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1832,6 +1832,11 @@ gpg.format::
 	Specifies which key format to use when signing with `--gpg-sign`.
 	Default is "openpgp", that is also the only supported value.
 
+gpg.<format>.program::
+	Use this to customize the program used for the signing format you
+	chose. (see gpg.program) gpg.openpgp.program is a synonym for the
+	legacy gpg.program.
+
 gui.commitMsgWidth::
 	Defines how wide the commit message window is in the
 	linkgit:git-gui[1]. "75" is the default.
diff --git a/gpg-interface.c b/gpg-interface.c
index ac2df498d..65098430f 100644
--- a/gpg-interface.c
+++ b/gpg-interface.c
@@ -179,7 +179,7 @@ int git_gpg_config(const char *var, const char *value, void *cb)
 		return git_config_string(&gpg_format, var, value);
 	}
 
-	if (!strcmp(var, "gpg.program"))
+	if (!strcmp(var, "gpg.program") || !strcmp(var, "gpg.openpgp.program"))
 		return git_config_string(&gpg_formats[PGP_FMT].program, var,
 					 value);
 	return 0;
-- 
2.16.4