Subject: [PATCH v3 2/6] userdiff: add diff.<driver>.process config

From: "Michael Montalbo via GitGitGadget" <[email-masked]>
Date: Fri, 29 May 2026 20:48:15 +0000

From: Michael Montalbo <[email-masked]>

Add the process field to struct userdiff_driver and teach the
config parser to populate it from diff.<driver>.process.

Signed-off-by: Michael Montalbo <[email-masked]>
---
 userdiff.c | 7 +++++++
 userdiff.h | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/userdiff.c b/userdiff.c
index fe710a68bf..81c0bebcce 100644
--- a/userdiff.c
+++ b/userdiff.c
@@ -499,6 +499,13 @@ int userdiff_config(const char *k, const char *v)
 		drv->algorithm = drv->algorithm_owned;
 		return ret;
 	}
+	if (!strcmp(type, "process")) {
+		int ret;
+		FREE_AND_NULL(drv->process_owned);
+		ret = git_config_string(&drv->process_owned, k, v);
+		drv->process = drv->process_owned;
+		return ret;
+	}
 
 	return 0;
 }
diff --git a/userdiff.h b/userdiff.h
index 827361b0bc..51c26e0d41 100644
--- a/userdiff.h
+++ b/userdiff.h
@@ -31,6 +31,8 @@ struct userdiff_driver {
 	char *textconv_owned;
 	struct notes_cache *textconv_cache;
 	int textconv_want_cache;
+	const char *process;
+	char *process_owned;
 };
 enum userdiff_driver_type {
 	USERDIFF_DRIVER_TYPE_BUILTIN = 1<<0,
-- 
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