gpg-interface: expand gpg.program as a path

This allows using a custom gpg program under the user's home directory
by specifying a path starting with '~'

[gpg]
        program = "~/.local/bin/mygpg"

Signed-off-by: Jonas Brandstötter <jonas.brandstoetter@gmx.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/config/gpg.adoc b/Documentation/config/gpg.adoc
index 5cf32b1..240e46c 100644 (file)
--- a/Documentation/config/gpg.adoc
+++ b/Documentation/config/gpg.adoc
@@ -1,5 +1,5 @@
 gpg.program::
-       Use this custom program instead of "`gpg`" found on `$PATH` when
+       Pathname of the program to use instead of "`gpg`" when
        making or verifying a PGP signature. The program must support the
        same command-line interface as GPG, namely, to verify a detached
        signature, "`gpg --verify $signature - <$file`" is run, and the

diff --git a/gpg-interface.c b/gpg-interface.c
index 0896458..3dfbc45 100644 (file)
--- a/gpg-interface.c
+++ b/gpg-interface.c
@@ -783,7 +783,7 @@ static int git_gpg_config(const char *var, const char *value,
 
        if (fmtname) {
                fmt = get_format_by_name(fmtname);
-               return git_config_string((char **) &fmt->program, var, value);
+               return git_config_pathname((char **) &fmt->program, var, value);
        }
 
        return 0;