commit-graph: create git-commit-graph builtin

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 <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2018-04-02 16:34:18 -04:00 committed by Junio C Hamano
parent ae30d7b115
commit 4ce58ee38d
8 changed files with 53 additions and 0 deletions

1
.gitignore vendored
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@ -34,6 +34,7 @@
/git-clone
/git-column
/git-commit
/git-commit-graph
/git-commit-tree
/git-config
/git-count-objects

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@ -0,0 +1,10 @@
git-commit-graph(1)
===================
NAME
----
git-commit-graph - Write and verify Git commit graph files
GIT
---
Part of the linkgit:git[1] suite

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@ -946,6 +946,7 @@ 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

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@ -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);

36
builtin/commit-graph.c Normal file
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@ -0,0 +1,36 @@
#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[] = {
OPT_STRING(0, "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);
}

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@ -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

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@ -841,6 +841,7 @@ __git_list_porcelain_commands ()
check-ref-format) : plumbing;;
checkout-index) : plumbing;;
column) : internal helper;;
commit-graph) : plumbing;;
commit-tree) : plumbing;;
count-objects) : infrequent;;
credential) : credentials;;
@ -2419,6 +2420,7 @@ _git_config ()
core.bigFileThreshold
core.checkStat
core.commentChar
core.commitGraph
core.compression
core.createObject
core.deltaBaseCacheLimit

1
git.c
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@ -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 },