From c2b486d7f370bc7c3128c8d50e00f250e45ef8ee Mon Sep 17 00:00:00 2001 From: Patrick Steinhardt Date: Wed, 1 Jul 2026 13:35:34 +0200 Subject: [PATCH] reset: allow the caller to specify the current HEAD object When calling `reset_working_tree()` we automatically derive the commit that the callers wants to move from by reading the HEAD commit. Some callers may already have resolved it, or they may want to move from a different commit that doesn't match HEAD. Introduce a new `oid_from` option that lets the caller specify the commit. Signed-off-by: Patrick Steinhardt Signed-off-by: Junio C Hamano --- reset.c | 5 ++++- reset.h | 5 +++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/reset.c b/reset.c index 4bde5d8dc6..06f375f296 100644 --- a/reset.c +++ b/reset.c @@ -122,7 +122,10 @@ int reset_working_tree(struct repository *r, goto leave_reset_head; } - if (!repo_get_oid(r, "HEAD", &head_oid)) { + if (opts->oid_from) { + oidcpy(&head_oid, opts->oid_from); + head = &head_oid; + } else if (!repo_get_oid(r, "HEAD", &head_oid)) { head = &head_oid; } else if (!oid || !reset_hard) { ret = error(_("could not determine HEAD revision")); diff --git a/reset.h b/reset.h index 38b2891b53..4c992ba671 100644 --- a/reset.h +++ b/reset.h @@ -37,6 +37,11 @@ struct reset_working_tree_options { * The commit to checkout/reset to. Defaults to HEAD. */ const struct object_id *oid; + /* + * The commit to checkout/reset from when doing a two-way merge. This + * is used as one of the sides to merge. + */ + const struct object_id *oid_from; /* * Optional value to set ORIG_HEAD. Defaults to HEAD. */