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Diffstat (limited to 'commit-graph.c')
-rw-r--r--commit-graph.c53
1 files changed, 39 insertions, 14 deletions
diff --git a/commit-graph.c b/commit-graph.c
index 71f488839c..36e1d6f9b3 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -866,7 +866,7 @@ static void write_graph_chunk_data(struct hashfile *f, int hash_len,
if (edge_value >= 0)
edge_value += ctx->new_num_commits_in_base;
- else {
+ else if (ctx->new_base_graph) {
uint32_t pos;
if (find_commit_in_graph(parent->item,
ctx->new_base_graph,
@@ -897,7 +897,7 @@ static void write_graph_chunk_data(struct hashfile *f, int hash_len,
if (edge_value >= 0)
edge_value += ctx->new_num_commits_in_base;
- else {
+ else if (ctx->new_base_graph) {
uint32_t pos;
if (find_commit_in_graph(parent->item,
ctx->new_base_graph,
@@ -964,7 +964,7 @@ static void write_graph_chunk_extra_edges(struct hashfile *f,
if (edge_value >= 0)
edge_value += ctx->new_num_commits_in_base;
- else {
+ else if (ctx->new_base_graph) {
uint32_t pos;
if (find_commit_in_graph(parent->item,
ctx->new_base_graph,
@@ -1037,6 +1037,8 @@ static void close_reachable(struct write_commit_graph_context *ctx)
{
int i;
struct commit *commit;
+ enum commit_graph_split_flags flags = ctx->split_opts ?
+ ctx->split_opts->flags : COMMIT_GRAPH_SPLIT_UNSPECIFIED;
if (ctx->report_progress)
ctx->progress = start_delayed_progress(
@@ -1066,8 +1068,9 @@ static void close_reachable(struct write_commit_graph_context *ctx)
if (!commit)
continue;
if (ctx->split) {
- if (!parse_commit(commit) &&
- commit->graph_pos == COMMIT_NOT_FROM_GRAPH)
+ if ((!parse_commit(commit) &&
+ commit->graph_pos == COMMIT_NOT_FROM_GRAPH) ||
+ flags == COMMIT_GRAPH_SPLIT_REPLACE)
add_missing_parents(ctx, commit);
} else if (!parse_commit_no_graph(commit))
add_missing_parents(ctx, commit);
@@ -1287,6 +1290,8 @@ static uint32_t count_distinct_commits(struct write_commit_graph_context *ctx)
static void copy_oids_to_commits(struct write_commit_graph_context *ctx)
{
uint32_t i;
+ enum commit_graph_split_flags flags = ctx->split_opts ?
+ ctx->split_opts->flags : COMMIT_GRAPH_SPLIT_UNSPECIFIED;
ctx->num_extra_edges = 0;
if (ctx->report_progress)
@@ -1303,11 +1308,14 @@ static void copy_oids_to_commits(struct write_commit_graph_context *ctx)
ALLOC_GROW(ctx->commits.list, ctx->commits.nr + 1, ctx->commits.alloc);
ctx->commits.list[ctx->commits.nr] = lookup_commit(ctx->r, &ctx->oids.list[i]);
- if (ctx->split &&
+ if (ctx->split && flags != COMMIT_GRAPH_SPLIT_REPLACE &&
ctx->commits.list[ctx->commits.nr]->graph_pos != COMMIT_NOT_FROM_GRAPH)
continue;
- parse_commit_no_graph(ctx->commits.list[ctx->commits.nr]);
+ if (ctx->split && flags == COMMIT_GRAPH_SPLIT_REPLACE)
+ parse_commit(ctx->commits.list[ctx->commits.nr]);
+ else
+ parse_commit_no_graph(ctx->commits.list[ctx->commits.nr]);
num_parents = commit_list_count(ctx->commits.list[ctx->commits.nr]->parents);
if (num_parents > 2)
@@ -1488,8 +1496,12 @@ static int write_commit_graph_file(struct write_commit_graph_context *ctx)
}
if (ctx->base_graph_name) {
- const char *dest = ctx->commit_graph_filenames_after[
- ctx->num_commit_graphs_after - 2];
+ const char *dest;
+ int idx = ctx->num_commit_graphs_after - 1;
+ if (ctx->num_commit_graphs_after > 1)
+ idx--;
+
+ dest = ctx->commit_graph_filenames_after[idx];
if (strcmp(ctx->base_graph_name, dest)) {
result = rename(ctx->base_graph_name, dest);
@@ -1546,9 +1558,13 @@ static void split_graph_merge_strategy(struct write_commit_graph_context *ctx)
g = ctx->r->objects->commit_graph;
num_commits = ctx->commits.nr;
- ctx->num_commit_graphs_after = ctx->num_commit_graphs_before + 1;
+ if (flags == COMMIT_GRAPH_SPLIT_REPLACE)
+ ctx->num_commit_graphs_after = 1;
+ else
+ ctx->num_commit_graphs_after = ctx->num_commit_graphs_before + 1;
- if (flags != COMMIT_GRAPH_SPLIT_MERGE_PROHIBITED) {
+ if (flags != COMMIT_GRAPH_SPLIT_MERGE_PROHIBITED &&
+ flags != COMMIT_GRAPH_SPLIT_REPLACE) {
while (g && (g->num_commits <= size_mult * num_commits ||
(max_commits && num_commits > max_commits))) {
if (g->odb != ctx->odb)
@@ -1561,7 +1577,11 @@ static void split_graph_merge_strategy(struct write_commit_graph_context *ctx)
}
}
- ctx->new_base_graph = g;
+ if (flags != COMMIT_GRAPH_SPLIT_REPLACE)
+ ctx->new_base_graph = g;
+ else if (ctx->num_commit_graphs_after != 1)
+ BUG("split_graph_merge_strategy: num_commit_graphs_after "
+ "should be 1 with --split=replace");
if (ctx->num_commit_graphs_after == 2) {
char *old_graph_name = get_commit_graph_filename(g->odb);
@@ -1772,6 +1792,7 @@ int write_commit_graph(struct object_directory *odb,
struct write_commit_graph_context *ctx;
uint32_t i, count_distinct = 0;
int res = 0;
+ int replace = 0;
if (!commit_graph_compatible(the_repository))
return 0;
@@ -1806,6 +1827,9 @@ int write_commit_graph(struct object_directory *odb,
g = g->base_graph;
}
}
+
+ if (ctx->split_opts)
+ replace = ctx->split_opts->flags & COMMIT_GRAPH_SPLIT_REPLACE;
}
ctx->approx_nr_objects = approximate_object_count();
@@ -1866,13 +1890,14 @@ int write_commit_graph(struct object_directory *odb,
goto cleanup;
}
- if (!ctx->commits.nr)
+ if (!ctx->commits.nr && !replace)
goto cleanup;
if (ctx->split) {
split_graph_merge_strategy(ctx);
- merge_commit_graphs(ctx);
+ if (!replace)
+ merge_commit_graphs(ctx);
} else
ctx->num_commit_graphs_after = 1;