Teach git the 'commit-graph' builtin that will be used for writing and
reading packed graph files. The current implementation is mostly
empty, except for an '--object-dir' option.
Signed-off-by: Derrick Stolee <dsto...@microsoft.com>
---
.gitignore | 1 +
Documentation/git-commit-graph.txt | 11 +++++++++++
Makefile | 1 +
builtin.h | 1 +
builtin/commit-graph.c | 37 +++++++++++++++++++++++++++++++++++++
command-list.txt | 1 +
git.c | 1 +
7 files changed, 53 insertions(+)
create mode 100644 Documentation/git-commit-graph.txt
create mode 100644 builtin/commit-graph.c
diff --git a/.gitignore b/.gitignore
index 833ef3b..e82f901 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,6 +34,7 @@
/git-clone
/git-column
/git-commit
+/git-commit-graph
/git-commit-tree
/git-config
/git-count-objects
diff --git a/Documentation/git-commit-graph.txt
b/Documentation/git-commit-graph.txt
new file mode 100644
index 0000000..e1c3078
--- /dev/null
+++ b/Documentation/git-commit-graph.txt
@@ -0,0 +1,11 @@
+git-commit-graph(1)
+===================
+
+NAME
+----
+git-commit-graph - Write and verify Git commit graphs (.graph files)
+
+GIT
+---
+Part of the linkgit:git[1] suite
+
diff --git a/Makefile b/Makefile
index ee9d5eb..fc40b81 100644
--- a/Makefile
+++ b/Makefile
@@ -932,6 +932,7 @@ BUILTIN_OBJS += builtin/clone.o
BUILTIN_OBJS += builtin/column.o
BUILTIN_OBJS += builtin/commit-tree.o
BUILTIN_OBJS += builtin/commit.o
+BUILTIN_OBJS += builtin/commit-graph.o
BUILTIN_OBJS += builtin/config.o
BUILTIN_OBJS += builtin/count-objects.o
BUILTIN_OBJS += builtin/credential.o
diff --git a/builtin.h b/builtin.h
index 42378f3..079855b 100644
--- a/builtin.h
+++ b/builtin.h
@@ -149,6 +149,7 @@ extern int cmd_clone(int argc, const char **argv, const
char *prefix);
extern int cmd_clean(int argc, const char **argv, const char *prefix);
extern int cmd_column(int argc, const char **argv, const char *prefix);
extern int cmd_commit(int argc, const char **argv, const char *prefix);
+extern int cmd_commit_graph(int argc, const char **argv, const char *prefix);
extern int cmd_commit_tree(int argc, const char **argv, const char *prefix);
extern int cmd_config(int argc, const char **argv, const char *prefix);
extern int cmd_count_objects(int argc, const char **argv, const char *prefix);
diff --git a/builtin/commit-graph.c b/builtin/commit-graph.c
new file mode 100644
index 0000000..98110bb
--- /dev/null
+++ b/builtin/commit-graph.c
@@ -0,0 +1,37 @@
+#include "builtin.h"
+#include "config.h"
+#include "parse-options.h"
+
+static char const * const builtin_commit_graph_usage[] = {
+ N_("git commit-graph [--object-dir <objdir>]"),
+ NULL
+};
+
+static struct opts_commit_graph {
+ const char *obj_dir;
+} opts;
+
+
+int cmd_commit_graph(int argc, const char **argv, const char *prefix)
+{
+ static struct option builtin_commit_graph_options[] = {
+ { OPTION_STRING, 'p', "object-dir", &opts.obj_dir,
+ N_("dir"),
+ N_("The object directory to store the graph") },
+ OPT_END(),
+ };
+
+ if (argc == 2 && !strcmp(argv[1], "-h"))
+ usage_with_options(builtin_commit_graph_usage,
+ builtin_commit_graph_options);
+
+ git_config(git_default_config, NULL);
+ argc = parse_options(argc, argv, prefix,
+ builtin_commit_graph_options,
+ builtin_commit_graph_usage,
+ PARSE_OPT_STOP_AT_NON_OPTION);
+
+ usage_with_options(builtin_commit_graph_usage,
+ builtin_commit_graph_options);
+}
+
diff --git a/command-list.txt b/command-list.txt
index a1fad28..835c589 100644
--- a/command-list.txt
+++ b/command-list.txt
@@ -34,6 +34,7 @@ git-clean mainporcelain
git-clone mainporcelain init
git-column purehelpers
git-commit mainporcelain history
+git-commit-graph plumbingmanipulators
git-commit-tree plumbingmanipulators
git-config ancillarymanipulators
git-count-objects ancillaryinterrogators
diff --git a/git.c b/git.c
index 9e96dd4..d4832c1 100644
--- a/git.c
+++ b/git.c
@@ -388,6 +388,7 @@ static struct cmd_struct commands[] = {
{ "clone", cmd_clone },
{ "column", cmd_column, RUN_SETUP_GENTLY },
{ "commit", cmd_commit, RUN_SETUP | NEED_WORK_TREE },
+ { "commit-graph", cmd_commit_graph, RUN_SETUP },
{ "commit-tree", cmd_commit_tree, RUN_SETUP },
{ "config", cmd_config, RUN_SETUP_GENTLY },
{ "count-objects", cmd_count_objects, RUN_SETUP },
--
2.7.4
