verify-commit by default displays human-readable output on standard
error. However, it can also be useful to get access to the raw gpg
status information, which is machine-readable, allowing automated
implementation of signing policy. Add a --raw option to make
verify-commit produce the gpg status information on standard error
instead of the human-readable format.
Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/git-verify-commit.txt | 4 ++++
builtin/verify-commit.c | 13 +++++++------
t/t7510-signed-commit.sh | 32 ++++++++++++++++++++++++++++++++
3 files changed, 43 insertions(+), 6 deletions(-)
diff --git a/Documentation/git-verify-commit.txt b/Documentation/git-verify-commit.txt
index 9413e28..ecf4da1 100644
--- a/Documentation/git-verify-commit.txt
+++ b/Documentation/git-verify-commit.txt
@@ -16,6 +16,10 @@ Validates the gpg signature created by 'git commit -S'.
OPTIONS
-------
+--raw::
+ Print the raw gpg status output to standard error instead of the normal
+ human-readable output.
+
-v::
--verbose::
Print the contents of the commit object before validating it.
diff --git a/builtin/verify-commit.c b/builtin/verify-commit.c
index ec0c4e3..04646fc 100644
--- a/builtin/verify-commit.c
+++ b/builtin/verify-commit.c
@@ -18,7 +18,7 @@ static const char * const verify_commit_usage[] = {
NULL
};
-static int run_gpg_verify(const unsigned char *sha1, const char *buf, unsigned long size, int verbose)
+static int run_gpg_verify(const unsigned char *sha1, const char *buf, unsigned long size, int verbose, int raw)
{
struct signature_check signature_check;
@@ -30,13 +30,13 @@ static int run_gpg_verify(const unsigned char *sha1, const char *buf, unsigned l
fputs(signature_check.payload, stdout);
if (signature_check.gpg_output)
- fputs(signature_check.gpg_output, stderr);
+ fputs(raw ? signature_check.gpg_status : signature_check.gpg_output, stderr);
signature_check_clear(&signature_check);
return signature_check.result != 'G';
}
-static int verify_commit(const char *name, int verbose)
+static int verify_commit(const char *name, int verbose, int raw)
{
enum object_type type;
unsigned char sha1[20];
@@ -54,7 +54,7 @@ static int verify_commit(const char *name, int verbose)
return error("%s: cannot verify a non-commit object of type %s.",
name, typename(type));
- ret = run_gpg_verify(sha1, buf, size, verbose);
+ ret = run_gpg_verify(sha1, buf, size, verbose, raw);
free(buf);
return ret;
@@ -70,9 +70,10 @@ static int git_verify_commit_config(const char *var, const char *value, void *cb
int cmd_verify_commit(int argc, const char **argv, const char *prefix)
{
- int i = 1, verbose = 0, had_error = 0;
+ int i = 1, verbose = 0, had_error = 0, raw = 0;
const struct option verify_commit_options[] = {
OPT__VERBOSE(&verbose, N_("print commit contents")),
+ OPT_BOOL(0, "raw", &raw, N_("print raw gpg status output")),
OPT_END()
};
@@ -87,7 +88,7 @@ int cmd_verify_commit(int argc, const char **argv, const char *prefix)
* was received in the process of writing the gpg input: */
signal(SIGPIPE, SIG_IGN);
while (i < argc)
- if (verify_commit(argv[i++], verbose))
+ if (verify_commit(argv[i++], verbose, raw))
had_error = 1;
return had_error;
}
diff --git a/t/t7510-signed-commit.sh b/t/t7510-signed-commit.sh
index 13331e5..ef316f2 100755
--- a/t/t7510-signed-commit.sh
+++ b/t/t7510-signed-commit.sh
@@ -81,6 +81,38 @@ test_expect_success GPG 'verify and show signatures' '
)
'
+test_expect_success GPG 'verify signatures with --raw' '
+ (
+ for commit in initial second merge fourth-signed fifth-signed sixth-signed seventh-signed
+ do
+ git verify-commit --raw $commit 2>actual &&
+ grep "GOODSIG" actual &&
+ ! grep "BADSIG" actual &&
+ echo $commit OK || exit 1
+ done
+ ) &&
+ (
+ for commit in merge^2 fourth-unsigned sixth-unsigned seventh-unsigned
+ do
+ test_must_fail git verify-commit --raw $commit 2>actual &&
+ ! grep "GOODSIG" actual &&
+ ! grep "BADSIG" actual &&
+ echo $commit OK || exit 1
+ done
+ ) &&
+ (
+ for commit in eighth-signed-alt
+ do
+ # Undefined trust causes verify-commit to exit abnormally.
+ test_must_fail git verify-commit --raw $commit 2>actual &&
+ grep "GOODSIG" actual &&
+ ! grep "BADSIG" actual &&
+ grep "TRUST_UNDEFINED" actual &&
+ echo $commit OK || exit 1
+ done
+ )
+'
+
test_expect_success GPG 'show signed commit with signature' '
git show -s initial >commit &&
git show -s --show-signature initial >show &&
--
2.4.0
--
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