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Copy pathnotes.c
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878 lines (753 loc) · 22.6 KB
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/*
* Builtin "git notes"
*
* Copyright (c) 2010 Johan Herland <johan@herland.net>
*
* Based on git-notes.sh by Johannes Schindelin,
* and builtin-tag.c by Kristian Høgsberg and Carlos Rica.
*/
#include "cache.h"
#include "builtin.h"
#include "notes.h"
#include "blob.h"
#include "commit.h"
#include "refs.h"
#include "exec_cmd.h"
#include "run-command.h"
#include "parse-options.h"
#include "string-list.h"
static const char * const git_notes_usage[] = {
"git notes [--ref <notes_ref>] [list [<object>]]",
"git notes [--ref <notes_ref>] add [-f] [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]",
"git notes [--ref <notes_ref>] copy [-f] <from-object> <to-object>",
"git notes [--ref <notes_ref>] append [-m <msg> | -F <file> | (-c | -C) <object>] [<object>]",
"git notes [--ref <notes_ref>] edit [<object>]",
"git notes [--ref <notes_ref>] show [<object>]",
"git notes [--ref <notes_ref>] remove [<object>]",
"git notes [--ref <notes_ref>] prune [-n | -v]",
NULL
};
static const char * const git_notes_list_usage[] = {
"git notes [list [<object>]]",
NULL
};
static const char * const git_notes_add_usage[] = {
"git notes add [<options>] [<object>]",
NULL
};
static const char * const git_notes_copy_usage[] = {
"git notes copy [<options>] <from-object> <to-object>",
"git notes copy --stdin [<from-object> <to-object>]...",
NULL
};
static const char * const git_notes_append_usage[] = {
"git notes append [<options>] [<object>]",
NULL
};
static const char * const git_notes_edit_usage[] = {
"git notes edit [<object>]",
NULL
};
static const char * const git_notes_show_usage[] = {
"git notes show [<object>]",
NULL
};
static const char * const git_notes_remove_usage[] = {
"git notes remove [<object>]",
NULL
};
static const char * const git_notes_prune_usage[] = {
"git notes prune [<options>]",
NULL
};
static const char note_template[] =
"\n"
"#\n"
"# Write/edit the notes for the following object:\n"
"#\n";
struct msg_arg {
int given;
int use_editor;
struct strbuf buf;
};
static int list_each_note(const unsigned char *object_sha1,
const unsigned char *note_sha1, char *note_path,
void *cb_data)
{
printf("%s %s\n", sha1_to_hex(note_sha1), sha1_to_hex(object_sha1));
return 0;
}
static void write_note_data(int fd, const unsigned char *sha1)
{
unsigned long size;
enum object_type type;
char *buf = read_sha1_file(sha1, &type, &size);
if (buf) {
if (size)
write_or_die(fd, buf, size);
free(buf);
}
}
static void write_commented_object(int fd, const unsigned char *object)
{
const char *show_args[5] =
{"show", "--stat", "--no-notes", sha1_to_hex(object), NULL};
struct child_process show;
struct strbuf buf = STRBUF_INIT;
FILE *show_out;
/* Invoke "git show --stat --no-notes $object" */
memset(&show, 0, sizeof(show));
show.argv = show_args;
show.no_stdin = 1;
show.out = -1;
show.err = 0;
show.git_cmd = 1;
if (start_command(&show))
die("unable to start 'show' for object '%s'",
sha1_to_hex(object));
/* Open the output as FILE* so strbuf_getline() can be used. */
show_out = xfdopen(show.out, "r");
if (show_out == NULL)
die_errno("can't fdopen 'show' output fd");
/* Prepend "# " to each output line and write result to 'fd' */
while (strbuf_getline(&buf, show_out, '\n') != EOF) {
write_or_die(fd, "# ", 2);
write_or_die(fd, buf.buf, buf.len);
write_or_die(fd, "\n", 1);
}
strbuf_release(&buf);
if (fclose(show_out))
die_errno("failed to close pipe to 'show' for object '%s'",
sha1_to_hex(object));
if (finish_command(&show))
die("failed to finish 'show' for object '%s'",
sha1_to_hex(object));
}
static void create_note(const unsigned char *object, struct msg_arg *msg,
int append_only, const unsigned char *prev,
unsigned char *result)
{
char *path = NULL;
if (msg->use_editor || !msg->given) {
int fd;
/* write the template message before editing: */
path = git_pathdup("NOTES_EDITMSG");
fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
if (fd < 0)
die_errno("could not create file '%s'", path);
if (msg->given)
write_or_die(fd, msg->buf.buf, msg->buf.len);
else if (prev && !append_only)
write_note_data(fd, prev);
write_or_die(fd, note_template, strlen(note_template));
write_commented_object(fd, object);
close(fd);
strbuf_reset(&(msg->buf));
if (launch_editor(path, &(msg->buf), NULL)) {
die("Please supply the note contents using either -m" \
" or -F option");
}
stripspace(&(msg->buf), 1);
}
if (prev && append_only) {
/* Append buf to previous note contents */
unsigned long size;
enum object_type type;
char *prev_buf = read_sha1_file(prev, &type, &size);
strbuf_grow(&(msg->buf), size + 1);
if (msg->buf.len && prev_buf && size)
strbuf_insert(&(msg->buf), 0, "\n", 1);
if (prev_buf && size)
strbuf_insert(&(msg->buf), 0, prev_buf, size);
free(prev_buf);
}
if (!msg->buf.len) {
fprintf(stderr, "Removing note for object %s\n",
sha1_to_hex(object));
hashclr(result);
} else {
if (write_sha1_file(msg->buf.buf, msg->buf.len, blob_type, result)) {
error("unable to write note object");
if (path)
error("The note contents has been left in %s",
path);
exit(128);
}
}
if (path) {
unlink_or_warn(path);
free(path);
}
}
static int parse_msg_arg(const struct option *opt, const char *arg, int unset)
{
struct msg_arg *msg = opt->value;
strbuf_grow(&(msg->buf), strlen(arg) + 2);
if (msg->buf.len)
strbuf_addch(&(msg->buf), '\n');
strbuf_addstr(&(msg->buf), arg);
stripspace(&(msg->buf), 0);
msg->given = 1;
return 0;
}
static int parse_file_arg(const struct option *opt, const char *arg, int unset)
{
struct msg_arg *msg = opt->value;
if (msg->buf.len)
strbuf_addch(&(msg->buf), '\n');
if (!strcmp(arg, "-")) {
if (strbuf_read(&(msg->buf), 0, 1024) < 0)
die_errno("cannot read '%s'", arg);
} else if (strbuf_read_file(&(msg->buf), arg, 1024) < 0)
die_errno("could not open or read '%s'", arg);
stripspace(&(msg->buf), 0);
msg->given = 1;
return 0;
}
static int parse_reuse_arg(const struct option *opt, const char *arg, int unset)
{
struct msg_arg *msg = opt->value;
char *buf;
unsigned char object[20];
enum object_type type;
unsigned long len;
if (msg->buf.len)
strbuf_addch(&(msg->buf), '\n');
if (get_sha1(arg, object))
die("Failed to resolve '%s' as a valid ref.", arg);
if (!(buf = read_sha1_file(object, &type, &len)) || !len) {
free(buf);
die("Failed to read object '%s'.", arg);;
}
strbuf_add(&(msg->buf), buf, len);
free(buf);
msg->given = 1;
return 0;
}
static int parse_reedit_arg(const struct option *opt, const char *arg, int unset)
{
struct msg_arg *msg = opt->value;
msg->use_editor = 1;
return parse_reuse_arg(opt, arg, unset);
}
int commit_notes(struct notes_tree *t, const char *msg)
{
struct commit_list *parent;
unsigned char tree_sha1[20], prev_commit[20], new_commit[20];
struct strbuf buf = STRBUF_INIT;
if (!t)
t = &default_notes_tree;
if (!t->initialized || !t->ref || !*t->ref)
die("Cannot commit uninitialized/unreferenced notes tree");
if (!t->dirty)
return 0; /* don't have to commit an unchanged tree */
/* Prepare commit message and reflog message */
strbuf_addstr(&buf, "notes: "); /* commit message starts at index 7 */
strbuf_addstr(&buf, msg);
if (buf.buf[buf.len - 1] != '\n')
strbuf_addch(&buf, '\n'); /* Make sure msg ends with newline */
/* Convert notes tree to tree object */
if (write_notes_tree(t, tree_sha1))
die("Failed to write current notes tree to database");
/* Create new commit for the tree object */
if (!read_ref(t->ref, prev_commit)) { /* retrieve parent commit */
parent = xmalloc(sizeof(*parent));
parent->item = lookup_commit(prev_commit);
parent->next = NULL;
} else {
hashclr(prev_commit);
parent = NULL;
}
if (commit_tree(buf.buf + 7, tree_sha1, parent, new_commit, NULL))
die("Failed to commit notes tree to database");
/* Update notes ref with new commit */
update_ref(buf.buf, t->ref, new_commit, prev_commit, 0, DIE_ON_ERR);
strbuf_release(&buf);
return 0;
}
combine_notes_fn parse_combine_notes_fn(const char *v)
{
if (!strcasecmp(v, "overwrite"))
return combine_notes_overwrite;
else if (!strcasecmp(v, "ignore"))
return combine_notes_ignore;
else if (!strcasecmp(v, "concatenate"))
return combine_notes_concatenate;
else
return NULL;
}
static int notes_rewrite_config(const char *k, const char *v, void *cb)
{
struct notes_rewrite_cfg *c = cb;
if (!prefixcmp(k, "notes.rewrite.") && !strcmp(k+14, c->cmd)) {
c->enabled = git_config_bool(k, v);
return 0;
} else if (!c->mode_from_env && !strcmp(k, "notes.rewritemode")) {
if (!v)
config_error_nonbool(k);
c->combine = parse_combine_notes_fn(v);
if (!c->combine) {
error("Bad notes.rewriteMode value: '%s'", v);
return 1;
}
return 0;
} else if (!c->refs_from_env && !strcmp(k, "notes.rewriteref")) {
/* note that a refs/ prefix is implied in the
* underlying for_each_glob_ref */
if (!prefixcmp(v, "refs/notes/"))
string_list_add_refs_by_glob(c->refs, v);
else
warning("Refusing to rewrite notes in %s"
" (outside of refs/notes/)", v);
return 0;
}
return 0;
}
struct notes_rewrite_cfg *init_copy_notes_for_rewrite(const char *cmd)
{
struct notes_rewrite_cfg *c = xmalloc(sizeof(struct notes_rewrite_cfg));
const char *rewrite_mode_env = getenv(GIT_NOTES_REWRITE_MODE_ENVIRONMENT);
const char *rewrite_refs_env = getenv(GIT_NOTES_REWRITE_REF_ENVIRONMENT);
c->cmd = cmd;
c->enabled = 1;
c->combine = combine_notes_concatenate;
c->refs = xcalloc(1, sizeof(struct string_list));
c->refs->strdup_strings = 1;
c->refs_from_env = 0;
c->mode_from_env = 0;
if (rewrite_mode_env) {
c->mode_from_env = 1;
c->combine = parse_combine_notes_fn(rewrite_mode_env);
if (!c->combine)
error("Bad " GIT_NOTES_REWRITE_MODE_ENVIRONMENT
" value: '%s'", rewrite_mode_env);
}
if (rewrite_refs_env) {
c->refs_from_env = 1;
string_list_add_refs_from_colon_sep(c->refs, rewrite_refs_env);
}
git_config(notes_rewrite_config, c);
if (!c->enabled || !c->refs->nr) {
string_list_clear(c->refs, 0);
free(c->refs);
free(c);
return NULL;
}
c->trees = load_notes_trees(c->refs);
string_list_clear(c->refs, 0);
free(c->refs);
return c;
}
int copy_note_for_rewrite(struct notes_rewrite_cfg *c,
const unsigned char *from_obj, const unsigned char *to_obj)
{
int ret = 0;
int i;
for (i = 0; c->trees[i]; i++)
ret = copy_note(c->trees[i], from_obj, to_obj, 1, c->combine) || ret;
return ret;
}
void finish_copy_notes_for_rewrite(struct notes_rewrite_cfg *c)
{
int i;
for (i = 0; c->trees[i]; i++) {
commit_notes(c->trees[i], "Notes added by 'git notes copy'");
free_notes(c->trees[i]);
}
free(c->trees);
free(c);
}
int notes_copy_from_stdin(int force, const char *rewrite_cmd)
{
struct strbuf buf = STRBUF_INIT;
struct notes_rewrite_cfg *c = NULL;
struct notes_tree *t = NULL;
int ret = 0;
if (rewrite_cmd) {
c = init_copy_notes_for_rewrite(rewrite_cmd);
if (!c)
return 0;
} else {
init_notes(NULL, NULL, NULL, 0);
t = &default_notes_tree;
}
while (strbuf_getline(&buf, stdin, '\n') != EOF) {
unsigned char from_obj[20], to_obj[20];
struct strbuf **split;
int err;
split = strbuf_split(&buf, ' ');
if (!split[0] || !split[1])
die("Malformed input line: '%s'.", buf.buf);
strbuf_rtrim(split[0]);
strbuf_rtrim(split[1]);
if (get_sha1(split[0]->buf, from_obj))
die("Failed to resolve '%s' as a valid ref.", split[0]->buf);
if (get_sha1(split[1]->buf, to_obj))
die("Failed to resolve '%s' as a valid ref.", split[1]->buf);
if (rewrite_cmd)
err = copy_note_for_rewrite(c, from_obj, to_obj);
else
err = copy_note(t, from_obj, to_obj, force,
combine_notes_overwrite);
if (err) {
error("Failed to copy notes from '%s' to '%s'",
split[0]->buf, split[1]->buf);
ret = 1;
}
strbuf_list_free(split);
}
if (!rewrite_cmd) {
commit_notes(t, "Notes added by 'git notes copy'");
free_notes(t);
} else {
finish_copy_notes_for_rewrite(c);
}
return ret;
}
static struct notes_tree *init_notes_check(const char *subcommand)
{
struct notes_tree *t;
init_notes(NULL, NULL, NULL, 0);
t = &default_notes_tree;
if (prefixcmp(t->ref, "refs/notes/"))
die("Refusing to %s notes in %s (outside of refs/notes/)",
subcommand, t->ref);
return t;
}
static int list(int argc, const char **argv, const char *prefix)
{
struct notes_tree *t;
unsigned char object[20];
const unsigned char *note;
int retval = -1;
struct option options[] = {
OPT_END()
};
if (argc)
argc = parse_options(argc, argv, prefix, options,
git_notes_list_usage, 0);
if (1 < argc) {
error("too many parameters");
usage_with_options(git_notes_list_usage, options);
}
t = init_notes_check("list");
if (argc) {
if (get_sha1(argv[0], object))
die("Failed to resolve '%s' as a valid ref.", argv[0]);
note = get_note(t, object);
if (note) {
puts(sha1_to_hex(note));
retval = 0;
} else
retval = error("No note found for object %s.",
sha1_to_hex(object));
} else
retval = for_each_note(t, 0, list_each_note, NULL);
free_notes(t);
return retval;
}
static int add(int argc, const char **argv, const char *prefix)
{
int retval = 0, force = 0;
const char *object_ref;
struct notes_tree *t;
unsigned char object[20], new_note[20];
char logmsg[100];
const unsigned char *note;
struct msg_arg msg = { 0, 0, STRBUF_INIT };
struct option options[] = {
{ OPTION_CALLBACK, 'm', "message", &msg, "MSG",
"note contents as a string", PARSE_OPT_NONEG,
parse_msg_arg},
{ OPTION_CALLBACK, 'F', "file", &msg, "FILE",
"note contents in a file", PARSE_OPT_NONEG,
parse_file_arg},
{ OPTION_CALLBACK, 'c', "reedit-message", &msg, "OBJECT",
"reuse and edit specified note object", PARSE_OPT_NONEG,
parse_reedit_arg},
{ OPTION_CALLBACK, 'C', "reuse-message", &msg, "OBJECT",
"reuse specified note object", PARSE_OPT_NONEG,
parse_reuse_arg},
OPT_BOOLEAN('f', "force", &force, "replace existing notes"),
OPT_END()
};
argc = parse_options(argc, argv, prefix, options, git_notes_add_usage,
0);
if (1 < argc) {
error("too many parameters");
usage_with_options(git_notes_add_usage, options);
}
object_ref = argc ? argv[0] : "HEAD";
if (get_sha1(object_ref, object))
die("Failed to resolve '%s' as a valid ref.", object_ref);
t = init_notes_check("add");
note = get_note(t, object);
if (note) {
if (!force) {
retval = error("Cannot add notes. Found existing notes "
"for object %s. Use '-f' to overwrite "
"existing notes", sha1_to_hex(object));
goto out;
}
fprintf(stderr, "Overwriting existing notes for object %s\n",
sha1_to_hex(object));
}
create_note(object, &msg, 0, note, new_note);
if (is_null_sha1(new_note))
remove_note(t, object);
else
add_note(t, object, new_note, combine_notes_overwrite);
snprintf(logmsg, sizeof(logmsg), "Notes %s by 'git notes %s'",
is_null_sha1(new_note) ? "removed" : "added", "add");
commit_notes(t, logmsg);
out:
free_notes(t);
strbuf_release(&(msg.buf));
return retval;
}
static int copy(int argc, const char **argv, const char *prefix)
{
int retval = 0, force = 0, from_stdin = 0;
const unsigned char *from_note, *note;
const char *object_ref;
unsigned char object[20], from_obj[20];
struct notes_tree *t;
const char *rewrite_cmd = NULL;
struct option options[] = {
OPT_BOOLEAN('f', "force", &force, "replace existing notes"),
OPT_BOOLEAN(0, "stdin", &from_stdin, "read objects from stdin"),
OPT_STRING(0, "for-rewrite", &rewrite_cmd, "command",
"load rewriting config for <command> (implies "
"--stdin)"),
OPT_END()
};
argc = parse_options(argc, argv, prefix, options, git_notes_copy_usage,
0);
if (from_stdin || rewrite_cmd) {
if (argc) {
error("too many parameters");
usage_with_options(git_notes_copy_usage, options);
} else {
return notes_copy_from_stdin(force, rewrite_cmd);
}
}
if (argc < 2) {
error("too few parameters");
usage_with_options(git_notes_copy_usage, options);
}
if (2 < argc) {
error("too many parameters");
usage_with_options(git_notes_copy_usage, options);
}
if (get_sha1(argv[0], from_obj))
die("Failed to resolve '%s' as a valid ref.", argv[0]);
object_ref = 1 < argc ? argv[1] : "HEAD";
if (get_sha1(object_ref, object))
die("Failed to resolve '%s' as a valid ref.", object_ref);
t = init_notes_check("copy");
note = get_note(t, object);
if (note) {
if (!force) {
retval = error("Cannot copy notes. Found existing "
"notes for object %s. Use '-f' to "
"overwrite existing notes",
sha1_to_hex(object));
goto out;
}
fprintf(stderr, "Overwriting existing notes for object %s\n",
sha1_to_hex(object));
}
from_note = get_note(t, from_obj);
if (!from_note) {
retval = error("Missing notes on source object %s. Cannot "
"copy.", sha1_to_hex(from_obj));
goto out;
}
add_note(t, object, from_note, combine_notes_overwrite);
commit_notes(t, "Notes added by 'git notes copy'");
out:
free_notes(t);
return retval;
}
static int append_edit(int argc, const char **argv, const char *prefix)
{
const char *object_ref;
struct notes_tree *t;
unsigned char object[20], new_note[20];
const unsigned char *note;
char logmsg[100];
const char * const *usage;
struct msg_arg msg = { 0, 0, STRBUF_INIT };
struct option options[] = {
{ OPTION_CALLBACK, 'm', "message", &msg, "MSG",
"note contents as a string", PARSE_OPT_NONEG,
parse_msg_arg},
{ OPTION_CALLBACK, 'F', "file", &msg, "FILE",
"note contents in a file", PARSE_OPT_NONEG,
parse_file_arg},
{ OPTION_CALLBACK, 'c', "reedit-message", &msg, "OBJECT",
"reuse and edit specified note object", PARSE_OPT_NONEG,
parse_reedit_arg},
{ OPTION_CALLBACK, 'C', "reuse-message", &msg, "OBJECT",
"reuse specified note object", PARSE_OPT_NONEG,
parse_reuse_arg},
OPT_END()
};
int edit = !strcmp(argv[0], "edit");
usage = edit ? git_notes_edit_usage : git_notes_append_usage;
argc = parse_options(argc, argv, prefix, options, usage,
PARSE_OPT_KEEP_ARGV0);
if (2 < argc) {
error("too many parameters");
usage_with_options(usage, options);
}
if (msg.given && edit)
fprintf(stderr, "The -m/-F/-c/-C options have been deprecated "
"for the 'edit' subcommand.\n"
"Please use 'git notes add -f -m/-F/-c/-C' instead.\n");
object_ref = 1 < argc ? argv[1] : "HEAD";
if (get_sha1(object_ref, object))
die("Failed to resolve '%s' as a valid ref.", object_ref);
t = init_notes_check(argv[0]);
note = get_note(t, object);
create_note(object, &msg, !edit, note, new_note);
if (is_null_sha1(new_note))
remove_note(t, object);
else
add_note(t, object, new_note, combine_notes_overwrite);
snprintf(logmsg, sizeof(logmsg), "Notes %s by 'git notes %s'",
is_null_sha1(new_note) ? "removed" : "added", argv[0]);
commit_notes(t, logmsg);
free_notes(t);
strbuf_release(&(msg.buf));
return 0;
}
static int show(int argc, const char **argv, const char *prefix)
{
const char *object_ref;
struct notes_tree *t;
unsigned char object[20];
const unsigned char *note;
int retval;
struct option options[] = {
OPT_END()
};
argc = parse_options(argc, argv, prefix, options, git_notes_show_usage,
0);
if (1 < argc) {
error("too many parameters");
usage_with_options(git_notes_show_usage, options);
}
object_ref = argc ? argv[0] : "HEAD";
if (get_sha1(object_ref, object))
die("Failed to resolve '%s' as a valid ref.", object_ref);
t = init_notes_check("show");
note = get_note(t, object);
if (!note)
retval = error("No note found for object %s.",
sha1_to_hex(object));
else {
const char *show_args[3] = {"show", sha1_to_hex(note), NULL};
retval = execv_git_cmd(show_args);
}
free_notes(t);
return retval;
}
static int remove_cmd(int argc, const char **argv, const char *prefix)
{
struct option options[] = {
OPT_END()
};
const char *object_ref;
struct notes_tree *t;
unsigned char object[20];
int retval;
argc = parse_options(argc, argv, prefix, options,
git_notes_remove_usage, 0);
if (1 < argc) {
error("too many parameters");
usage_with_options(git_notes_remove_usage, options);
}
object_ref = argc ? argv[0] : "HEAD";
if (get_sha1(object_ref, object))
die("Failed to resolve '%s' as a valid ref.", object_ref);
t = init_notes_check("remove");
retval = remove_note(t, object);
if (retval)
fprintf(stderr, "Object %s has no note\n", sha1_to_hex(object));
else {
fprintf(stderr, "Removing note for object %s\n",
sha1_to_hex(object));
commit_notes(t, "Notes removed by 'git notes remove'");
}
free_notes(t);
return retval;
}
static int prune(int argc, const char **argv, const char *prefix)
{
struct notes_tree *t;
int show_only = 0, verbose = 0;
struct option options[] = {
OPT_BOOLEAN('n', "dry-run", &show_only,
"do not remove, show only"),
OPT_BOOLEAN('v', "verbose", &verbose, "report pruned notes"),
OPT_END()
};
argc = parse_options(argc, argv, prefix, options, git_notes_prune_usage,
0);
if (argc) {
error("too many parameters");
usage_with_options(git_notes_prune_usage, options);
}
t = init_notes_check("prune");
prune_notes(t, (verbose ? NOTES_PRUNE_VERBOSE : 0) |
(show_only ? NOTES_PRUNE_VERBOSE|NOTES_PRUNE_DRYRUN : 0) );
if (!show_only)
commit_notes(t, "Notes removed by 'git notes prune'");
free_notes(t);
return 0;
}
int cmd_notes(int argc, const char **argv, const char *prefix)
{
int result;
const char *override_notes_ref = NULL;
struct option options[] = {
OPT_STRING(0, "ref", &override_notes_ref, "notes_ref",
"use notes from <notes_ref>"),
OPT_END()
};
git_config(git_default_config, NULL);
argc = parse_options(argc, argv, prefix, options, git_notes_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (override_notes_ref) {
struct strbuf sb = STRBUF_INIT;
if (!prefixcmp(override_notes_ref, "refs/notes/"))
/* we're happy */;
else if (!prefixcmp(override_notes_ref, "notes/"))
strbuf_addstr(&sb, "refs/");
else
strbuf_addstr(&sb, "refs/notes/");
strbuf_addstr(&sb, override_notes_ref);
setenv("GIT_NOTES_REF", sb.buf, 1);
strbuf_release(&sb);
}
if (argc < 1 || !strcmp(argv[0], "list"))
result = list(argc, argv, prefix);
else if (!strcmp(argv[0], "add"))
result = add(argc, argv, prefix);
else if (!strcmp(argv[0], "copy"))
result = copy(argc, argv, prefix);
else if (!strcmp(argv[0], "append") || !strcmp(argv[0], "edit"))
result = append_edit(argc, argv, prefix);
else if (!strcmp(argv[0], "show"))
result = show(argc, argv, prefix);
else if (!strcmp(argv[0], "remove"))
result = remove_cmd(argc, argv, prefix);
else if (!strcmp(argv[0], "prune"))
result = prune(argc, argv, prefix);
else {
result = error("Unknown subcommand: %s", argv[0]);
usage_with_options(git_notes_usage, options);
}
return result ? 1 : 0;
}
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