Browse Source

Merge branch 'jc/fetch'

* jc/fetch:
  .gitignore: add git-fetch--tool
  builtin-fetch--tool: fix reflog notes.
  git-fetch: retire update-local-ref which is not used anymore.
  builtin-fetch--tool: make sure not to overstep ls-remote-result buffer.
  fetch--tool: fix uninitialized buffer when reading from stdin
  builtin-fetch--tool: adjust to updated sha1_object_info().
  git-fetch--tool takes flags before the subcommand.
  Use stdin reflist passing in git-fetch.sh
  Use stdin reflist passing in parse-remote
  Allow fetch--tool to read from stdin
  git-fetch: rewrite expand_ref_wildcard in C
  git-fetch: rewrite another shell loop in C
  git-fetch: move more code into C.
  git-fetch--tool: start rewriting parts of git-fetch in C.
  git-fetch: split fetch_main into fetch_dumb and fetch_native
maint
Junio C Hamano 18 years ago
parent
commit
c1f5086e23
  1. 1
      .gitignore
  2. 1
      Makefile
  3. 505
      builtin-fetch--tool.c
  4. 1
      builtin.h
  5. 245
      git-fetch.sh
  6. 45
      git-parse-remote.sh
  7. 1
      git.c

1
.gitignore vendored

@ -38,6 +38,7 @@ git-diff-tree @@ -38,6 +38,7 @@ git-diff-tree
git-describe
git-fast-import
git-fetch
git-fetch--tool
git-fetch-pack
git-findtags
git-fmt-merge-msg

1
Makefile

@ -293,6 +293,7 @@ BUILTIN_OBJS = \ @@ -293,6 +293,7 @@ BUILTIN_OBJS = \
builtin-diff-files.o \
builtin-diff-index.o \
builtin-diff-tree.o \
builtin-fetch--tool.o \
builtin-fmt-merge-msg.o \
builtin-for-each-ref.o \
builtin-fsck.o \

505
builtin-fetch--tool.c

@ -0,0 +1,505 @@ @@ -0,0 +1,505 @@
#include "cache.h"
#include "refs.h"
#include "commit.h"

#define CHUNK_SIZE 1024

static char *get_stdin(void)
{
int offset = 0;
char *data = xmalloc(CHUNK_SIZE);

while (1) {
int cnt = xread(0, data + offset, CHUNK_SIZE);
if (cnt < 0)
die("error reading standard input: %s",
strerror(errno));
if (cnt == 0) {
data[offset] = 0;
break;
}
offset += cnt;
data = xrealloc(data, offset + CHUNK_SIZE);
}
return data;
}

static void show_new(enum object_type type, unsigned char *sha1_new)
{
fprintf(stderr, " %s: %s\n", typename(type),
find_unique_abbrev(sha1_new, DEFAULT_ABBREV));
}

static int update_ref(const char *action,
const char *refname,
unsigned char *sha1,
unsigned char *oldval)
{
int len;
char msg[1024];
char *rla = getenv("GIT_REFLOG_ACTION");
static struct ref_lock *lock;

if (!rla)
rla = "(reflog update)";
len = snprintf(msg, sizeof(msg), "%s: %s", rla, action);
if (sizeof(msg) <= len)
die("insanely long action");
lock = lock_any_ref_for_update(refname, oldval);
if (!lock)
return 1;
if (write_ref_sha1(lock, sha1, msg) < 0)
return 1;
return 0;
}

static int update_local_ref(const char *name,
const char *new_head,
const char *note,
int verbose, int force)
{
unsigned char sha1_old[20], sha1_new[20];
char oldh[41], newh[41];
struct commit *current, *updated;
enum object_type type;

if (get_sha1_hex(new_head, sha1_new))
die("malformed object name %s", new_head);

type = sha1_object_info(sha1_new, NULL);
if (type < 0)
die("object %s not found", new_head);

if (!*name) {
/* Not storing */
if (verbose) {
fprintf(stderr, "* fetched %s\n", note);
show_new(type, sha1_new);
}
return 0;
}

if (get_sha1(name, sha1_old)) {
char *msg;
just_store:
/* new ref */
if (!strncmp(name, "refs/tags/", 10))
msg = "storing tag";
else
msg = "storing head";
fprintf(stderr, "* %s: storing %s\n",
name, note);
show_new(type, sha1_new);
return update_ref(msg, name, sha1_new, NULL);
}

if (!hashcmp(sha1_old, sha1_new)) {
if (verbose) {
fprintf(stderr, "* %s: same as %s\n", name, note);
show_new(type, sha1_new);
}
return 0;
}

if (!strncmp(name, "refs/tags/", 10)) {
fprintf(stderr, "* %s: updating with %s\n", name, note);
show_new(type, sha1_new);
return update_ref("updating tag", name, sha1_new, NULL);
}

current = lookup_commit_reference(sha1_old);
updated = lookup_commit_reference(sha1_new);
if (!current || !updated)
goto just_store;

strcpy(oldh, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV));
strcpy(newh, find_unique_abbrev(sha1_new, DEFAULT_ABBREV));

if (in_merge_bases(current, &updated, 1)) {
fprintf(stderr, "* %s: fast forward to %s\n",
name, note);
fprintf(stderr, " old..new: %s..%s\n", oldh, newh);
return update_ref("fast forward", name, sha1_new, sha1_old);
}
if (!force) {
fprintf(stderr,
"* %s: not updating to non-fast forward %s\n",
name, note);
fprintf(stderr,
" old...new: %s...%s\n", oldh, newh);
return 1;
}
fprintf(stderr,
"* %s: forcing update to non-fast forward %s\n",
name, note);
fprintf(stderr, " old...new: %s...%s\n", oldh, newh);
return update_ref("forced-update", name, sha1_new, sha1_old);
}

static int append_fetch_head(FILE *fp,
const char *head, const char *remote,
const char *remote_name, const char *remote_nick,
const char *local_name, int not_for_merge,
int verbose, int force)
{
struct commit *commit;
int remote_len, i, note_len;
unsigned char sha1[20];
char note[1024];
const char *what, *kind;

if (get_sha1(head, sha1))
return error("Not a valid object name: %s", head);
commit = lookup_commit_reference(sha1);
if (!commit)
not_for_merge = 1;

if (!strcmp(remote_name, "HEAD")) {
kind = "";
what = "";
}
else if (!strncmp(remote_name, "refs/heads/", 11)) {
kind = "branch";
what = remote_name + 11;
}
else if (!strncmp(remote_name, "refs/tags/", 10)) {
kind = "tag";
what = remote_name + 10;
}
else if (!strncmp(remote_name, "refs/remotes/", 13)) {
kind = "remote branch";
what = remote_name + 13;
}
else {
kind = "";
what = remote_name;
}

remote_len = strlen(remote);
for (i = remote_len - 1; remote[i] == '/' && 0 <= i; i--)
;
remote_len = i + 1;
if (4 < i && !strncmp(".git", remote + i - 3, 4))
remote_len = i - 3;

note_len = 0;
if (*what) {
if (*kind)
note_len += sprintf(note + note_len, "%s ", kind);
note_len += sprintf(note + note_len, "'%s' of ", what);
}
note_len += sprintf(note + note_len, "%.*s", remote_len, remote);
fprintf(fp, "%s\t%s\t%s\n",
sha1_to_hex(commit ? commit->object.sha1 : sha1),
not_for_merge ? "not-for-merge" : "",
note);
return update_local_ref(local_name, head, note, verbose, force);
}

static char *keep;
static void remove_keep(void)
{
if (keep && *keep)
unlink(keep);
}

static void remove_keep_on_signal(int signo)
{
remove_keep();
signal(SIGINT, SIG_DFL);
raise(signo);
}

static char *find_local_name(const char *remote_name, const char *refs,
int *force_p, int *not_for_merge_p)
{
const char *ref = refs;
int len = strlen(remote_name);

while (ref) {
const char *next;
int single_force, not_for_merge;

while (*ref == '\n')
ref++;
if (!*ref)
break;
next = strchr(ref, '\n');

single_force = not_for_merge = 0;
if (*ref == '+') {
single_force = 1;
ref++;
}
if (*ref == '.') {
not_for_merge = 1;
ref++;
if (*ref == '+') {
single_force = 1;
ref++;
}
}
if (!strncmp(remote_name, ref, len) && ref[len] == ':') {
const char *local_part = ref + len + 1;
char *ret;
int retlen;

if (!next)
retlen = strlen(local_part);
else
retlen = next - local_part;
ret = xmalloc(retlen + 1);
memcpy(ret, local_part, retlen);
ret[retlen] = 0;
*force_p = single_force;
*not_for_merge_p = not_for_merge;
return ret;
}
ref = next;
}
return NULL;
}

static int fetch_native_store(FILE *fp,
const char *remote,
const char *remote_nick,
const char *refs,
int verbose, int force)
{
char buffer[1024];
int err = 0;

signal(SIGINT, remove_keep_on_signal);
atexit(remove_keep);

while (fgets(buffer, sizeof(buffer), stdin)) {
int len;
char *cp;
char *local_name;
int single_force, not_for_merge;

for (cp = buffer; *cp && !isspace(*cp); cp++)
;
if (*cp)
*cp++ = 0;
len = strlen(cp);
if (len && cp[len-1] == '\n')
cp[--len] = 0;
if (!strcmp(buffer, "failed"))
die("Fetch failure: %s", remote);
if (!strcmp(buffer, "pack"))
continue;
if (!strcmp(buffer, "keep")) {
char *od = get_object_directory();
int len = strlen(od) + strlen(cp) + 50;
keep = xmalloc(len);
sprintf(keep, "%s/pack/pack-%s.keep", od, cp);
continue;
}

local_name = find_local_name(cp, refs,
&single_force, &not_for_merge);
if (!local_name)
continue;
err |= append_fetch_head(fp,
buffer, remote, cp, remote_nick,
local_name, not_for_merge,
verbose, force || single_force);
}
return err;
}

static int parse_reflist(const char *reflist)
{
const char *ref;

printf("refs='");
for (ref = reflist; ref; ) {
const char *next;
while (*ref && isspace(*ref))
ref++;
if (!*ref)
break;
for (next = ref; *next && !isspace(*next); next++)
;
printf("\n%.*s", (int)(next - ref), ref);
ref = next;
}
printf("'\n");

printf("rref='");
for (ref = reflist; ref; ) {
const char *next, *colon;
while (*ref && isspace(*ref))
ref++;
if (!*ref)
break;
for (next = ref; *next && !isspace(*next); next++)
;
if (*ref == '.')
ref++;
if (*ref == '+')
ref++;
colon = strchr(ref, ':');
putchar('\n');
printf("%.*s", (int)((colon ? colon : next) - ref), ref);
ref = next;
}
printf("'\n");
return 0;
}

static int expand_refs_wildcard(const char *ls_remote_result, int numrefs,
const char **refs)
{
int i, matchlen, replacelen;
int found_one = 0;
const char *remote = *refs++;
numrefs--;

if (numrefs == 0) {
fprintf(stderr, "Nothing specified for fetching with remote.%s.fetch\n",
remote);
printf("empty\n");
}

for (i = 0; i < numrefs; i++) {
const char *ref = refs[i];
const char *lref = ref;
const char *colon;
const char *tail;
const char *ls;
const char *next;

if (*lref == '+')
lref++;
colon = strchr(lref, ':');
tail = lref + strlen(lref);
if (!(colon &&
2 < colon - lref &&
colon[-1] == '*' &&
colon[-2] == '/' &&
2 < tail - (colon + 1) &&
tail[-1] == '*' &&
tail[-2] == '/')) {
/* not a glob */
if (!found_one++)
printf("explicit\n");
printf("%s\n", ref);
continue;
}

/* glob */
if (!found_one++)
printf("glob\n");

/* lref to colon-2 is remote hierarchy name;
* colon+1 to tail-2 is local.
*/
matchlen = (colon-1) - lref;
replacelen = (tail-1) - (colon+1);
for (ls = ls_remote_result; ls; ls = next) {
const char *eol;
unsigned char sha1[20];
int namelen;

while (*ls && isspace(*ls))
ls++;
next = strchr(ls, '\n');
eol = !next ? (ls + strlen(ls)) : next;
if (!memcmp("^{}", eol-3, 3))
continue;
if (eol - ls < 40)
continue;
if (get_sha1_hex(ls, sha1))
continue;
ls += 40;
while (ls < eol && isspace(*ls))
ls++;
/* ls to next (or eol) is the name.
* is it identical to lref to colon-2?
*/
if ((eol - ls) <= matchlen ||
strncmp(ls, lref, matchlen))
continue;

/* Yes, it is a match */
namelen = eol - ls;
if (lref != ref)
putchar('+');
printf("%.*s:%.*s%.*s\n",
namelen, ls,
replacelen, colon + 1,
namelen - matchlen, ls + matchlen);
}
}
return 0;
}

int cmd_fetch__tool(int argc, const char **argv, const char *prefix)
{
int verbose = 0;
int force = 0;

while (1 < argc) {
const char *arg = argv[1];
if (!strcmp("-v", arg))
verbose = 1;
else if (!strcmp("-f", arg))
force = 1;
else
break;
argc--;
argv++;
}

if (argc <= 1)
return error("Missing subcommand");

if (!strcmp("append-fetch-head", argv[1])) {
int result;
FILE *fp;

if (argc != 8)
return error("append-fetch-head takes 6 args");
fp = fopen(git_path("FETCH_HEAD"), "a");
result = append_fetch_head(fp, argv[2], argv[3],
argv[4], argv[5],
argv[6], !!argv[7][0],
verbose, force);
fclose(fp);
return result;
}
if (!strcmp("native-store", argv[1])) {
int result;
FILE *fp;

if (argc != 5)
return error("fetch-native-store takes 3 args");
fp = fopen(git_path("FETCH_HEAD"), "a");
result = fetch_native_store(fp, argv[2], argv[3], argv[4],
verbose, force);
fclose(fp);
return result;
}
if (!strcmp("parse-reflist", argv[1])) {
const char *reflist;
if (argc != 3)
return error("parse-reflist takes 1 arg");
reflist = argv[2];
if (!strcmp(reflist, "-"))
reflist = get_stdin();
return parse_reflist(reflist);
}
if (!strcmp("expand-refs-wildcard", argv[1])) {
const char *reflist;
if (argc < 4)
return error("expand-refs-wildcard takes at least 2 args");
reflist = argv[2];
if (!strcmp(reflist, "-"))
reflist = get_stdin();
return expand_refs_wildcard(reflist, argc - 3, argv + 3);
}

return error("Unknown subcommand: %s", argv[1]);
}

1
builtin.h

@ -32,6 +32,7 @@ extern int cmd_diff_files(int argc, const char **argv, const char *prefix); @@ -32,6 +32,7 @@ extern int cmd_diff_files(int argc, const char **argv, const char *prefix);
extern int cmd_diff_index(int argc, const char **argv, const char *prefix);
extern int cmd_diff(int argc, const char **argv, const char *prefix);
extern int cmd_diff_tree(int argc, const char **argv, const char *prefix);
extern int cmd_fetch__tool(int argc, const char **argv, const char *prefix);
extern int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix);
extern int cmd_for_each_ref(int argc, const char **argv, const char *prefix);
extern int cmd_format_patch(int argc, const char **argv, const char *prefix);

245
git-fetch.sh

@ -109,133 +109,11 @@ ls_remote_result=$(git ls-remote $exec "$remote") || @@ -109,133 +109,11 @@ ls_remote_result=$(git ls-remote $exec "$remote") ||
die "Cannot get the repository state from $remote"

append_fetch_head () {
head_="$1"
remote_="$2"
remote_name_="$3"
remote_nick_="$4"
local_name_="$5"
case "$6" in
t) not_for_merge_='not-for-merge' ;;
'') not_for_merge_= ;;
esac

# remote-nick is the URL given on the command line (or a shorthand)
# remote-name is the $GIT_DIR relative refs/ path we computed
# for this refspec.

# the $note_ variable will be fed to git-fmt-merge-msg for further
# processing.
case "$remote_name_" in
HEAD)
note_= ;;
refs/heads/*)
note_="$(expr "$remote_name_" : 'refs/heads/\(.*\)')"
note_="branch '$note_' of " ;;
refs/tags/*)
note_="$(expr "$remote_name_" : 'refs/tags/\(.*\)')"
note_="tag '$note_' of " ;;
refs/remotes/*)
note_="$(expr "$remote_name_" : 'refs/remotes/\(.*\)')"
note_="remote branch '$note_' of " ;;
*)
note_="$remote_name of " ;;
esac
remote_1_=$(expr "z$remote_" : 'z\(.*\)\.git/*$') &&
remote_="$remote_1_"
note_="$note_$remote_"

# 2.6.11-tree tag would not be happy to be fed to resolve.
if git-cat-file commit "$head_" >/dev/null 2>&1
then
headc_=$(git-rev-parse --verify "$head_^0") || exit
echo "$headc_ $not_for_merge_ $note_" >>"$GIT_DIR/FETCH_HEAD"
else
echo "$head_ not-for-merge $note_" >>"$GIT_DIR/FETCH_HEAD"
fi

update_local_ref "$local_name_" "$head_" "$note_"
}

update_local_ref () {
# If we are storing the head locally make sure that it is
# a fast forward (aka "reverse push").

label_=$(git-cat-file -t $2)
newshort_=$(git-rev-parse --short $2)
if test -z "$1" ; then
[ "$verbose" ] && echo >&2 "* fetched $3"
[ "$verbose" ] && echo >&2 " $label_: $newshort_"
return 0
fi
oldshort_=$(git show-ref --hash --abbrev "$1" 2>/dev/null)

case "$1" in
refs/tags/*)
# Tags need not be pointing at commits so there
# is no way to guarantee "fast-forward" anyway.
if test -n "$oldshort_"
then
if now_=$(git show-ref --hash "$1") && test "$now_" = "$2"
then
[ "$verbose" ] && echo >&2 "* $1: same as $3"
[ "$verbose" ] && echo >&2 " $label_: $newshort_" ||:
else
echo >&2 "* $1: updating with $3"
echo >&2 " $label_: $newshort_"
git-update-ref -m "$GIT_REFLOG_ACTION: updating tag" "$1" "$2"
fi
else
echo >&2 "* $1: storing $3"
echo >&2 " $label_: $newshort_"
git-update-ref -m "$GIT_REFLOG_ACTION: storing tag" "$1" "$2"
fi
;;

refs/heads/* | refs/remotes/*)
# $1 is the ref being updated.
# $2 is the new value for the ref.
local=$(git-rev-parse --verify "$1^0" 2>/dev/null)
if test "$local"
then
# Require fast-forward.
mb=$(git-merge-base "$local" "$2") &&
case "$2,$mb" in
$local,*)
if test -n "$verbose"
then
echo >&2 "* $1: same as $3"
echo >&2 " $label_: $newshort_"
fi
;;
*,$local)
echo >&2 "* $1: fast forward to $3"
echo >&2 " old..new: $oldshort_..$newshort_"
git-update-ref -m "$GIT_REFLOG_ACTION: fast-forward" "$1" "$2" "$local"
;;
*)
false
;;
esac || {
case ",$force,$single_force," in
*,t,*)
echo >&2 "* $1: forcing update to non-fast forward $3"
echo >&2 " old...new: $oldshort_...$newshort_"
git-update-ref -m "$GIT_REFLOG_ACTION: forced-update" "$1" "$2" "$local"
;;
*)
echo >&2 "* $1: not updating to non-fast forward $3"
echo >&2 " old...new: $oldshort_...$newshort_"
exit 1
;;
esac
}
else
echo >&2 "* $1: storing $3"
echo >&2 " $label_: $newshort_"
git-update-ref -m "$GIT_REFLOG_ACTION: storing head" "$1" "$2"
fi
;;
esac
flags=
test -n "$verbose" && flags="$flags -v"
test -n "$force" && flags="$flags -f"
GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION" \
git-fetch--tool $flags append-fetch-head "$@"
}

# updating the current HEAD with git-fetch in a bare
@ -279,7 +157,38 @@ then @@ -279,7 +157,38 @@ then
fi
fi

fetch_main () {
fetch_native () {

eval=$(echo "$1" | git-fetch--tool parse-reflist "-")
eval "$eval"

( : subshell because we muck with IFS
IFS=" $LF"
(
if test -f "$remote" ; then
test -n "$shallow_depth" &&
die "shallow clone with bundle is not supported"
git-bundle unbundle "$remote" $rref ||
echo failed "$remote"
else
git-fetch-pack --thin $exec $keep $shallow_depth $no_progress \
"$remote" $rref ||
echo failed "$remote"
fi
) |
(
flags=
test -n "$verbose" && flags="$flags -v"
test -n "$force" && flags="$flags -f"
GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION" \
git-fetch--tool $flags native-store \
"$remote" "$remote_nick" "$refs"
)
) || exit

}

fetch_dumb () {
reflist="$1"
refs=
rref=
@ -371,9 +280,6 @@ fetch_main () { @@ -371,9 +280,6 @@ fetch_main () {
rsync_slurped_objects=t
}
;;
*)
# We will do git native transport with just one call later.
continue ;;
esac

append_fetch_head "$head" "$remote" \
@ -381,80 +287,17 @@ fetch_main () { @@ -381,80 +287,17 @@ fetch_main () {

done

}

fetch_main () {
case "$remote" in
http://* | https://* | ftp://* | rsync://* )
;; # we are already done.
fetch_dumb "$@"
;;
*)
( : subshell because we muck with IFS
IFS=" $LF"
(
if test -f "$remote" ; then
test -n "$shallow_depth" &&
die "shallow clone with bundle is not supported"
git-bundle unbundle "$remote" $rref ||
echo failed "$remote"
else
git-fetch-pack --thin $exec $keep $shallow_depth $no_progress \
"$remote" $rref ||
echo failed "$remote"
fi
) |
(
trap '
if test -n "$keepfile" && test -f "$keepfile"
then
rm -f "$keepfile"
fi
' 0

keepfile=
while read sha1 remote_name
do
case "$sha1" in
failed)
echo >&2 "Fetch failure: $remote"
exit 1 ;;
# special line coming from index-pack with the pack name
pack)
continue ;;
keep)
keepfile="$GIT_OBJECT_DIRECTORY/pack/pack-$remote_name.keep"
continue ;;
esac
found=
single_force=
for ref in $refs
do
case "$ref" in
+$remote_name:*)
single_force=t
not_for_merge=
found="$ref"
break ;;
.+$remote_name:*)
single_force=t
not_for_merge=t
found="$ref"
break ;;
.$remote_name:*)
not_for_merge=t
found="$ref"
break ;;
$remote_name:*)
not_for_merge=
found="$ref"
break ;;
esac
done
local_name=$(expr "z$found" : 'z[^:]*:\(.*\)')
append_fetch_head "$sha1" "$remote" \
"$remote_name" "$remote_nick" "$local_name" \
"$not_for_merge" || exit
done
)
) || exit ;;
fetch_native "$@"
;;
esac

}

fetch_main "$reflist" || exit

45
git-parse-remote.sh

@ -81,51 +81,8 @@ get_remote_default_refs_for_push () { @@ -81,51 +81,8 @@ get_remote_default_refs_for_push () {
# is to help prevent randomly "globbed" ref from being chosen as
# a merge candidate
expand_refs_wildcard () {
remote="$1"
shift
first_one=yes
if test "$#" = 0
then
echo empty
echo >&2 "Nothing specified for fetching with remote.$remote.fetch"
fi
for ref
do
lref=${ref#'+'}
# a non glob pattern is given back as-is.
expr "z$lref" : 'zrefs/.*/\*:refs/.*/\*$' >/dev/null || {
if test -n "$first_one"
then
echo "explicit"
first_one=
fi
echo "$ref"
continue
}

# glob
if test -n "$first_one"
then
echo "glob"
first_one=
fi
from=`expr "z$lref" : 'z\(refs/.*/\)\*:refs/.*/\*$'`
to=`expr "z$lref" : 'zrefs/.*/\*:\(refs/.*/\)\*$'`
local_force=
test "z$lref" = "z$ref" || local_force='+'
echo "$ls_remote_result" |
sed -e '/\^{}$/d' |
(
IFS=' '
while read sha1 name
do
# ignore the ones that do not start with $from
mapped=${name#"$from"}
test "z$name" = "z$mapped" && continue
echo "${local_force}${name}:${to}${mapped}"
done
)
done
git fetch--tool expand-refs-wildcard "-" "$@"
}

# Subroutine to canonicalize remote:local notation.

1
git.c

@ -243,6 +243,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp) @@ -243,6 +243,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
{ "diff-files", cmd_diff_files },
{ "diff-index", cmd_diff_index, RUN_SETUP },
{ "diff-tree", cmd_diff_tree, RUN_SETUP },
{ "fetch--tool", cmd_fetch__tool, RUN_SETUP },
{ "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP },
{ "for-each-ref", cmd_for_each_ref, RUN_SETUP },
{ "format-patch", cmd_format_patch, RUN_SETUP },

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