[PATCH v3 1/3] revision: rename bit to `do_not_die_on_missing_objects`

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The bit `do_not_die_on_missing_tree` is used in revision.h to ensure the
revision walker does not die when encountering a missing tree. This is
currently exclusively set within `builtin/rev-list.c` to ensure the
`--missing` option works with missing trees.

In the upcoming commits, we will extend `--missing` to also support
missing commits. So let's rename the bit to
`do_not_die_on_missing_objects`, which is object type agnostic and can
be used for both trees/commits.

Signed-off-by: Karthik Nayak <karthik.188@xxxxxxxxx>
---
 builtin/reflog.c   |  2 +-
 builtin/rev-list.c |  2 +-
 list-objects.c     |  2 +-
 revision.h         | 17 +++++++++--------
 4 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/builtin/reflog.c b/builtin/reflog.c
index df63a5892e..9e369a5977 100644
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -298,7 +298,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
 		struct rev_info revs;
 
 		repo_init_revisions(the_repository, &revs, prefix);
-		revs.do_not_die_on_missing_tree = 1;
+		revs.do_not_die_on_missing_objects = 1;
 		revs.ignore_missing = 1;
 		revs.ignore_missing_links = 1;
 		if (verbose)
diff --git a/builtin/rev-list.c b/builtin/rev-list.c
index ff715d6918..ea77489c38 100644
--- a/builtin/rev-list.c
+++ b/builtin/rev-list.c
@@ -561,7 +561,7 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
 	}
 
 	if (arg_missing_action)
-		revs.do_not_die_on_missing_tree = 1;
+		revs.do_not_die_on_missing_objects = 1;
 
 	argc = setup_revisions(argc, argv, &revs, &s_r_opt);
 
diff --git a/list-objects.c b/list-objects.c
index c25c72b32c..47296dff2f 100644
--- a/list-objects.c
+++ b/list-objects.c
@@ -177,7 +177,7 @@ static void process_tree(struct traversal_context *ctx,
 		    is_promisor_object(&obj->oid))
 			return;
 
-		if (!revs->do_not_die_on_missing_tree)
+		if (!revs->do_not_die_on_missing_objects)
 			die("bad tree object %s", oid_to_hex(&obj->oid));
 	}
 
diff --git a/revision.h b/revision.h
index 50091bbd13..c73c92ef40 100644
--- a/revision.h
+++ b/revision.h
@@ -212,18 +212,19 @@ struct rev_info {
 
 			/*
 			 * Blobs are shown without regard for their existence.
-			 * But not so for trees: unless exclude_promisor_objects
+			 * But not so for trees/commits: unless exclude_promisor_objects
 			 * is set and the tree in question is a promisor object;
 			 * OR ignore_missing_links is set, the revision walker
-			 * dies with a "bad tree object HASH" message when
-			 * encountering a missing tree. For callers that can
-			 * handle missing trees and want them to be filterable
+			 * dies with a "bad <type> object HASH" message when
+			 * encountering a missing object. For callers that can
+			 * handle missing trees/commits and want them to be filterable
 			 * and showable, set this to true. The revision walker
-			 * will filter and show such a missing tree as usual,
-			 * but will not attempt to recurse into this tree
-			 * object.
+			 * will filter and show such a missing object as usual,
+			 * but will not attempt to recurse into this tree/commit
+			 * object. The revision walker will also set the MISSING
+			 * flag for such objects.
 			 */
-			do_not_die_on_missing_tree:1,
+			do_not_die_on_missing_objects:1,
 
 			/* for internal use only */
 			exclude_promisor_objects:1;
-- 
2.42.0





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