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gpg-interface: allow use of a custom GPG binary
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
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@ -1094,6 +1094,17 @@ grep.lineNumber::
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grep.extendedRegexp::
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If set to true, enable '--extended-regexp' option by default.
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gpg.program::
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Use this custom program instead of "gpg" found on $PATH when
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making or verifying a PGP signature. The program must support the
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same command line interface as GPG, namely, to verify a detached
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signature, "gpg --verify $file - <$signature" is run, and the
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program is expected to signal a good signature by exiting with
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code 0, and to generate an ascii-armored detached signature, the
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standard input of "gpg -bsau $key" is fed with the contents to be
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signed, and the program is expected to send the result to its
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standard output.
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gui.commitmsgwidth::
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Defines how wide the commit message window is in the
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linkgit:git-gui[1]. "75" is the default.
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@ -38,7 +38,9 @@ created (i.e. a lightweight tag).
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A GnuPG signed tag object will be created when `-s` or `-u
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<key-id>` is used. When `-u <key-id>` is not used, the
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committer identity for the current user is used to find the
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GnuPG key for signing.
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GnuPG key for signing. The configuration variable `gpg.program`
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is used to specify custom GnuPG binary.
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OPTIONS
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-------
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@ -48,11 +50,11 @@ OPTIONS
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-s::
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--sign::
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Make a GPG-signed tag, using the default e-mail address's key
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Make a GPG-signed tag, using the default e-mail address's key.
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-u <key-id>::
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--local-user=<key-id>::
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Make a GPG-signed tag, using the given key
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Make a GPG-signed tag, using the given key.
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-f::
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--force::
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@ -5,6 +5,7 @@
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#include "sigchain.h"
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static char *configured_signing_key;
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static const char *gpg_program = "gpg";
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void set_signing_key(const char *key)
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{
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@ -15,9 +16,12 @@ void set_signing_key(const char *key)
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int git_gpg_config(const char *var, const char *value, void *cb)
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{
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if (!strcmp(var, "user.signingkey")) {
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set_signing_key(value);
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}
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if (!strcmp(var, "gpg.program")) {
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if (!value)
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return config_error_nonbool(var);
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set_signing_key(value);
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gpg_program = xstrdup(value);
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}
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return 0;
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}
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@ -46,7 +50,7 @@ int sign_buffer(struct strbuf *buffer, struct strbuf *signature, const char *sig
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gpg.argv = args;
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gpg.in = -1;
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gpg.out = -1;
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args[0] = "gpg";
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args[0] = gpg_program;
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args[1] = "-bsau";
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args[2] = signing_key;
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args[3] = NULL;
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@ -101,10 +105,11 @@ int verify_signed_buffer(const char *payload, size_t payload_size,
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struct strbuf *gpg_output)
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{
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struct child_process gpg;
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const char *args_gpg[] = {"gpg", "--verify", "FILE", "-", NULL};
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const char *args_gpg[] = {NULL, "--verify", "FILE", "-", NULL};
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char path[PATH_MAX];
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int fd, ret;
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args_gpg[0] = gpg_program;
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fd = git_mkstemp(path, PATH_MAX, ".git_vtag_tmpXXXXXX");
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if (fd < 0)
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return error("could not create temporary file '%s': %s",
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