mirror of
https://github.com/git/git
synced 2024-08-25 10:45:59 +00:00
Merge branch 'js/rerere'
* js/rerere: Make git-rerere a builtin Add a test for git-rerere move read_mmfile() into xdiff-interface
This commit is contained in:
commit
9def2138a1
2
Makefile
2
Makefile
|
@ -171,7 +171,6 @@ SCRIPT_SH = \
|
|||
|
||||
SCRIPT_PERL = \
|
||||
git-archimport.perl git-cvsimport.perl git-relink.perl \
|
||||
git-rerere.perl \
|
||||
git-cvsserver.perl \
|
||||
git-svnimport.perl git-cvsexportcommit.perl \
|
||||
git-send-email.perl git-svn.perl
|
||||
|
@ -288,6 +287,7 @@ BUILTIN_OBJS = \
|
|||
builtin-push.o \
|
||||
builtin-read-tree.o \
|
||||
builtin-repo-config.o \
|
||||
builtin-rerere.o \
|
||||
builtin-rev-list.o \
|
||||
builtin-rev-parse.o \
|
||||
builtin-rm.o \
|
||||
|
|
|
@ -1,26 +1,10 @@
|
|||
#include "cache.h"
|
||||
#include "xdiff/xdiff.h"
|
||||
#include "xdiff-interface.h"
|
||||
|
||||
static const char merge_file_usage[] =
|
||||
"git merge-file [-p | --stdout] [-q | --quiet] [-L name1 [-L orig [-L name2]]] file1 orig_file file2";
|
||||
|
||||
static int read_file(mmfile_t *ptr, const char *filename)
|
||||
{
|
||||
struct stat st;
|
||||
FILE *f;
|
||||
|
||||
if (stat(filename, &st))
|
||||
return error("Could not stat %s", filename);
|
||||
if ((f = fopen(filename, "rb")) == NULL)
|
||||
return error("Could not open %s", filename);
|
||||
ptr->ptr = xmalloc(st.st_size);
|
||||
if (fread(ptr->ptr, st.st_size, 1, f) != 1)
|
||||
return error("Could not read %s", filename);
|
||||
fclose(f);
|
||||
ptr->size = st.st_size;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int cmd_merge_file(int argc, char **argv, char **envp)
|
||||
{
|
||||
char *names[3];
|
||||
|
@ -53,7 +37,7 @@ int cmd_merge_file(int argc, char **argv, char **envp)
|
|||
names[i] = argv[i + 1];
|
||||
|
||||
for (i = 0; i < 3; i++)
|
||||
if (read_file(mmfs + i, argv[i + 1]))
|
||||
if (read_mmfile(mmfs + i, argv[i + 1]))
|
||||
return -1;
|
||||
|
||||
ret = xdl_merge(mmfs + 1, mmfs + 0, names[0], mmfs + 2, names[2],
|
||||
|
|
406
builtin-rerere.c
Normal file
406
builtin-rerere.c
Normal file
|
@ -0,0 +1,406 @@
|
|||
#include "cache.h"
|
||||
#include "path-list.h"
|
||||
#include "xdiff/xdiff.h"
|
||||
#include "xdiff-interface.h"
|
||||
|
||||
#include <time.h>
|
||||
|
||||
static const char git_rerere_usage[] =
|
||||
"git-rerere [clear | status | diff | gc]";
|
||||
|
||||
/* these values are days */
|
||||
static int cutoff_noresolve = 15;
|
||||
static int cutoff_resolve = 60;
|
||||
|
||||
static char *merge_rr_path;
|
||||
|
||||
static const char *rr_path(const char *name, const char *file)
|
||||
{
|
||||
return git_path("rr-cache/%s/%s", name, file);
|
||||
}
|
||||
|
||||
static void read_rr(struct path_list *rr)
|
||||
{
|
||||
unsigned char sha1[20];
|
||||
char buf[PATH_MAX];
|
||||
FILE *in = fopen(merge_rr_path, "r");
|
||||
if (!in)
|
||||
return;
|
||||
while (fread(buf, 40, 1, in) == 1) {
|
||||
int i;
|
||||
char *name;
|
||||
if (get_sha1_hex(buf, sha1))
|
||||
die("corrupt MERGE_RR");
|
||||
buf[40] = '\0';
|
||||
name = xstrdup(buf);
|
||||
if (fgetc(in) != '\t')
|
||||
die("corrupt MERGE_RR");
|
||||
for (i = 0; i < sizeof(buf) && (buf[i] = fgetc(in)); i++)
|
||||
; /* do nothing */
|
||||
if (i == sizeof(buf))
|
||||
die("filename too long");
|
||||
path_list_insert(buf, rr)->util = xstrdup(name);
|
||||
}
|
||||
fclose(in);
|
||||
}
|
||||
|
||||
static struct lock_file write_lock;
|
||||
|
||||
static int write_rr(struct path_list *rr, int out_fd)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < rr->nr; i++) {
|
||||
const char *path = rr->items[i].path;
|
||||
write(out_fd, rr->items[i].util, 40);
|
||||
write(out_fd, "\t", 1);
|
||||
write(out_fd, path, strlen(path) + 1);
|
||||
}
|
||||
close(out_fd);
|
||||
return commit_lock_file(&write_lock);
|
||||
}
|
||||
|
||||
struct buffer {
|
||||
char *ptr;
|
||||
int nr, alloc;
|
||||
};
|
||||
|
||||
static void append_line(struct buffer *buffer, const char *line)
|
||||
{
|
||||
int len = strlen(line);
|
||||
|
||||
if (buffer->nr + len > buffer->alloc) {
|
||||
buffer->alloc = alloc_nr(buffer->nr + len);
|
||||
buffer->ptr = xrealloc(buffer->ptr, buffer->alloc);
|
||||
}
|
||||
memcpy(buffer->ptr + buffer->nr, line, len);
|
||||
buffer->nr += len;
|
||||
}
|
||||
|
||||
static int handle_file(const char *path,
|
||||
unsigned char *sha1, const char *output)
|
||||
{
|
||||
SHA_CTX ctx;
|
||||
char buf[1024];
|
||||
int hunk = 0, hunk_no = 0;
|
||||
struct buffer minus = { NULL, 0, 0 }, plus = { NULL, 0, 0 };
|
||||
struct buffer *one = &minus, *two = +
|
||||
FILE *f = fopen(path, "r");
|
||||
FILE *out;
|
||||
|
||||
if (!f)
|
||||
return error("Could not open %s", path);
|
||||
|
||||
if (output) {
|
||||
out = fopen(output, "w");
|
||||
if (!out) {
|
||||
fclose(f);
|
||||
return error("Could not write %s", output);
|
||||
}
|
||||
} else
|
||||
out = NULL;
|
||||
|
||||
if (sha1)
|
||||
SHA1_Init(&ctx);
|
||||
|
||||
while (fgets(buf, sizeof(buf), f)) {
|
||||
if (!strncmp("<<<<<<< ", buf, 8))
|
||||
hunk = 1;
|
||||
else if (!strncmp("=======", buf, 7))
|
||||
hunk = 2;
|
||||
else if (!strncmp(">>>>>>> ", buf, 8)) {
|
||||
hunk_no++;
|
||||
hunk = 0;
|
||||
if (memcmp(one->ptr, two->ptr, one->nr < two->nr ?
|
||||
one->nr : two->nr) > 0) {
|
||||
struct buffer *swap = one;
|
||||
one = two;
|
||||
two = swap;
|
||||
}
|
||||
if (out) {
|
||||
fputs("<<<<<<<\n", out);
|
||||
fwrite(one->ptr, one->nr, 1, out);
|
||||
fputs("=======\n", out);
|
||||
fwrite(two->ptr, two->nr, 1, out);
|
||||
fputs(">>>>>>>\n", out);
|
||||
}
|
||||
if (sha1) {
|
||||
SHA1_Update(&ctx, one->ptr, one->nr);
|
||||
SHA1_Update(&ctx, "\0", 1);
|
||||
SHA1_Update(&ctx, two->ptr, two->nr);
|
||||
SHA1_Update(&ctx, "\0", 1);
|
||||
}
|
||||
} else if (hunk == 1)
|
||||
append_line(one, buf);
|
||||
else if (hunk == 2)
|
||||
append_line(two, buf);
|
||||
else if (out)
|
||||
fputs(buf, out);
|
||||
}
|
||||
|
||||
fclose(f);
|
||||
if (out)
|
||||
fclose(out);
|
||||
if (sha1)
|
||||
SHA1_Final(sha1, &ctx);
|
||||
return hunk_no;
|
||||
}
|
||||
|
||||
static int find_conflict(struct path_list *conflict)
|
||||
{
|
||||
int i;
|
||||
if (read_cache() < 0)
|
||||
return error("Could not read index");
|
||||
for (i = 0; i + 2 < active_nr; i++) {
|
||||
struct cache_entry *e1 = active_cache[i];
|
||||
struct cache_entry *e2 = active_cache[i + 1];
|
||||
struct cache_entry *e3 = active_cache[i + 2];
|
||||
if (ce_stage(e1) == 1 && ce_stage(e2) == 2 &&
|
||||
ce_stage(e3) == 3 && ce_same_name(e1, e2) &&
|
||||
ce_same_name(e1, e3)) {
|
||||
path_list_insert((const char *)e1->name, conflict);
|
||||
i += 3;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int merge(const char *name, const char *path)
|
||||
{
|
||||
int ret;
|
||||
mmfile_t cur, base, other;
|
||||
mmbuffer_t result = {NULL, 0};
|
||||
xpparam_t xpp = {XDF_NEED_MINIMAL};
|
||||
|
||||
if (handle_file(path, NULL, rr_path(name, "thisimage")) < 0)
|
||||
return 1;
|
||||
|
||||
if (read_mmfile(&cur, rr_path(name, "thisimage")) ||
|
||||
read_mmfile(&base, rr_path(name, "preimage")) ||
|
||||
read_mmfile(&other, rr_path(name, "postimage")))
|
||||
return 1;
|
||||
ret = xdl_merge(&base, &cur, "", &other, "",
|
||||
&xpp, XDL_MERGE_ZEALOUS, &result);
|
||||
if (!ret) {
|
||||
FILE *f = fopen(path, "w");
|
||||
if (!f)
|
||||
return error("Could not write to %s", path);
|
||||
fwrite(result.ptr, result.size, 1, f);
|
||||
fclose(f);
|
||||
}
|
||||
|
||||
free(cur.ptr);
|
||||
free(base.ptr);
|
||||
free(other.ptr);
|
||||
free(result.ptr);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void unlink_rr_item(const char *name)
|
||||
{
|
||||
unlink(rr_path(name, "thisimage"));
|
||||
unlink(rr_path(name, "preimage"));
|
||||
unlink(rr_path(name, "postimage"));
|
||||
rmdir(git_path("rr-cache/%s", name));
|
||||
}
|
||||
|
||||
static void garbage_collect(struct path_list *rr)
|
||||
{
|
||||
struct path_list to_remove = { NULL, 0, 0, 1 };
|
||||
char buf[1024];
|
||||
DIR *dir;
|
||||
struct dirent *e;
|
||||
int len, i, cutoff;
|
||||
time_t now = time(NULL), then;
|
||||
|
||||
strlcpy(buf, git_path("rr-cache"), sizeof(buf));
|
||||
len = strlen(buf);
|
||||
dir = opendir(buf);
|
||||
strcpy(buf + len++, "/");
|
||||
while ((e = readdir(dir))) {
|
||||
const char *name = e->d_name;
|
||||
struct stat st;
|
||||
if (name[0] == '.' && (name[1] == '\0' ||
|
||||
(name[1] == '.' && name[2] == '\0')))
|
||||
continue;
|
||||
i = snprintf(buf + len, sizeof(buf) - len, "%s", name);
|
||||
strlcpy(buf + len + i, "/preimage", sizeof(buf) - len - i);
|
||||
if (stat(buf, &st))
|
||||
continue;
|
||||
then = st.st_mtime;
|
||||
strlcpy(buf + len + i, "/postimage", sizeof(buf) - len - i);
|
||||
cutoff = stat(buf, &st) ? cutoff_noresolve : cutoff_resolve;
|
||||
if (then < now - cutoff * 86400) {
|
||||
buf[len + i] = '\0';
|
||||
path_list_insert(xstrdup(name), &to_remove);
|
||||
}
|
||||
}
|
||||
for (i = 0; i < to_remove.nr; i++)
|
||||
unlink_rr_item(to_remove.items[i].path);
|
||||
path_list_clear(&to_remove, 0);
|
||||
}
|
||||
|
||||
static int outf(void *dummy, mmbuffer_t *ptr, int nbuf)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < nbuf; i++)
|
||||
write(1, ptr[i].ptr, ptr[i].size);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int diff_two(const char *file1, const char *label1,
|
||||
const char *file2, const char *label2)
|
||||
{
|
||||
xpparam_t xpp;
|
||||
xdemitconf_t xecfg;
|
||||
xdemitcb_t ecb;
|
||||
mmfile_t minus, plus;
|
||||
|
||||
if (read_mmfile(&minus, file1) || read_mmfile(&plus, file2))
|
||||
return 1;
|
||||
|
||||
printf("--- a/%s\n+++ b/%s\n", label1, label2);
|
||||
fflush(stdout);
|
||||
xpp.flags = XDF_NEED_MINIMAL;
|
||||
xecfg.ctxlen = 3;
|
||||
xecfg.flags = 0;
|
||||
ecb.outf = outf;
|
||||
xdl_diff(&minus, &plus, &xpp, &xecfg, &ecb);
|
||||
|
||||
free(minus.ptr);
|
||||
free(plus.ptr);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int copy_file(const char *src, const char *dest)
|
||||
{
|
||||
FILE *in, *out;
|
||||
char buffer[32768];
|
||||
int count;
|
||||
|
||||
if (!(in = fopen(src, "r")))
|
||||
return error("Could not open %s", src);
|
||||
if (!(out = fopen(dest, "w")))
|
||||
return error("Could not open %s", dest);
|
||||
while ((count = fread(buffer, 1, sizeof(buffer), in)))
|
||||
fwrite(buffer, 1, count, out);
|
||||
fclose(in);
|
||||
fclose(out);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int do_plain_rerere(struct path_list *rr, int fd)
|
||||
{
|
||||
struct path_list conflict = { NULL, 0, 0, 1 };
|
||||
int i;
|
||||
|
||||
find_conflict(&conflict);
|
||||
|
||||
/*
|
||||
* MERGE_RR records paths with conflicts immediately after merge
|
||||
* failed. Some of the conflicted paths might have been hand resolved
|
||||
* in the working tree since then, but the initial run would catch all
|
||||
* and register their preimages.
|
||||
*/
|
||||
|
||||
for (i = 0; i < conflict.nr; i++) {
|
||||
const char *path = conflict.items[i].path;
|
||||
if (!path_list_has_path(rr, path)) {
|
||||
unsigned char sha1[20];
|
||||
char *hex;
|
||||
int ret;
|
||||
ret = handle_file(path, sha1, NULL);
|
||||
if (ret < 1)
|
||||
continue;
|
||||
hex = xstrdup(sha1_to_hex(sha1));
|
||||
path_list_insert(path, rr)->util = hex;
|
||||
if (mkdir(git_path("rr-cache/%s", hex), 0755))
|
||||
continue;;
|
||||
handle_file(path, NULL, rr_path(hex, "preimage"));
|
||||
fprintf(stderr, "Recorded preimage for '%s'\n", path);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Now some of the paths that had conflicts earlier might have been
|
||||
* hand resolved. Others may be similar to a conflict already that
|
||||
* was resolved before.
|
||||
*/
|
||||
|
||||
for (i = 0; i < rr->nr; i++) {
|
||||
struct stat st;
|
||||
int ret;
|
||||
const char *path = rr->items[i].path;
|
||||
const char *name = (const char *)rr->items[i].util;
|
||||
|
||||
if (!stat(rr_path(name, "preimage"), &st) &&
|
||||
!stat(rr_path(name, "postimage"), &st)) {
|
||||
if (!merge(name, path)) {
|
||||
fprintf(stderr, "Resolved '%s' using "
|
||||
"previous resolution.\n", path);
|
||||
goto tail_optimization;
|
||||
}
|
||||
}
|
||||
|
||||
/* Let's see if we have resolved it. */
|
||||
ret = handle_file(path, NULL, NULL);
|
||||
if (ret)
|
||||
continue;
|
||||
|
||||
fprintf(stderr, "Recorded resolution for '%s'.\n", path);
|
||||
copy_file(path, rr_path(name, "postimage"));
|
||||
tail_optimization:
|
||||
if (i < rr->nr - 1) {
|
||||
memmove(rr->items + i,
|
||||
rr->items + i + 1,
|
||||
rr->nr - i - 1);
|
||||
}
|
||||
rr->nr--;
|
||||
i--;
|
||||
}
|
||||
|
||||
return write_rr(rr, fd);
|
||||
}
|
||||
|
||||
int cmd_rerere(int argc, const char **argv, const char *prefix)
|
||||
{
|
||||
struct path_list merge_rr = { NULL, 0, 0, 1 };
|
||||
int i, fd = -1;
|
||||
struct stat st;
|
||||
|
||||
if (stat(git_path("rr-cache"), &st) || !S_ISDIR(st.st_mode))
|
||||
return 0;
|
||||
|
||||
merge_rr_path = xstrdup(git_path("rr-cache/MERGE_RR"));
|
||||
fd = hold_lock_file_for_update(&write_lock, merge_rr_path, 1);
|
||||
read_rr(&merge_rr);
|
||||
|
||||
if (argc < 2)
|
||||
return do_plain_rerere(&merge_rr, fd);
|
||||
else if (!strcmp(argv[1], "clear")) {
|
||||
for (i = 0; i < merge_rr.nr; i++) {
|
||||
const char *name = (const char *)merge_rr.items[i].util;
|
||||
if (!stat(git_path("rr-cache/%s", name), &st) &&
|
||||
S_ISDIR(st.st_mode) &&
|
||||
stat(rr_path(name, "postimage"), &st))
|
||||
unlink_rr_item(name);
|
||||
}
|
||||
unlink(merge_rr_path);
|
||||
} else if (!strcmp(argv[1], "gc"))
|
||||
garbage_collect(&merge_rr);
|
||||
else if (!strcmp(argv[1], "status"))
|
||||
for (i = 0; i < merge_rr.nr; i++)
|
||||
printf("%s\n", merge_rr.items[i].path);
|
||||
else if (!strcmp(argv[1], "diff"))
|
||||
for (i = 0; i < merge_rr.nr; i++) {
|
||||
const char *path = merge_rr.items[i].path;
|
||||
const char *name = (const char *)merge_rr.items[i].util;
|
||||
diff_two(rr_path(name, "preimage"), path, path, path);
|
||||
}
|
||||
else
|
||||
usage(git_rerere_usage);
|
||||
|
||||
path_list_clear(&merge_rr, 1);
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -52,6 +52,7 @@ extern int cmd_prune_packed(int argc, const char **argv, const char *prefix);
|
|||
extern int cmd_push(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_read_tree(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_repo_config(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_rerere(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_rev_list(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_rev_parse(int argc, const char **argv, const char *prefix);
|
||||
extern int cmd_rm(int argc, const char **argv, const char *prefix);
|
||||
|
|
1
git.c
1
git.c
|
@ -247,6 +247,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
|
|||
{ "push", cmd_push, RUN_SETUP },
|
||||
{ "read-tree", cmd_read_tree, RUN_SETUP },
|
||||
{ "repo-config", cmd_repo_config },
|
||||
{ "rerere", cmd_rerere, RUN_SETUP },
|
||||
{ "rev-list", cmd_rev_list, RUN_SETUP },
|
||||
{ "rev-parse", cmd_rev_parse, RUN_SETUP },
|
||||
{ "rm", cmd_rm, RUN_SETUP },
|
||||
|
|
154
t/t4200-rerere.sh
Executable file
154
t/t4200-rerere.sh
Executable file
|
@ -0,0 +1,154 @@
|
|||
#!/bin/sh
|
||||
#
|
||||
# Copyright (c) 2006 Johannes E. Schindelin
|
||||
#
|
||||
|
||||
test_description='git-rerere
|
||||
'
|
||||
|
||||
. ./test-lib.sh
|
||||
|
||||
cat > a1 << EOF
|
||||
Whether 'tis nobler in the mind to suffer
|
||||
The slings and arrows of outrageous fortune,
|
||||
Or to take arms against a sea of troubles,
|
||||
And by opposing end them? To die: to sleep;
|
||||
No more; and by a sleep to say we end
|
||||
The heart-ache and the thousand natural shocks
|
||||
That flesh is heir to, 'tis a consummation
|
||||
Devoutly to be wish'd.
|
||||
EOF
|
||||
|
||||
git add a1
|
||||
git commit -q -a -m initial
|
||||
|
||||
git checkout -b first
|
||||
cat >> a1 << EOF
|
||||
To die, to sleep;
|
||||
To sleep: perchance to dream: ay, there's the rub;
|
||||
For in that sleep of death what dreams may come
|
||||
When we have shuffled off this mortal coil,
|
||||
Must give us pause: there's the respect
|
||||
That makes calamity of so long life;
|
||||
EOF
|
||||
git commit -q -a -m first
|
||||
|
||||
git checkout -b second master
|
||||
git show first:a1 | sed 's/To die, t/To die! T/' > a1
|
||||
git commit -q -a -m second
|
||||
|
||||
# activate rerere
|
||||
mkdir .git/rr-cache
|
||||
|
||||
test_expect_failure 'conflicting merge' 'git pull . first'
|
||||
|
||||
sha1=4f58849a60b4f969a2848966b6d02893b783e8fb
|
||||
rr=.git/rr-cache/$sha1
|
||||
test_expect_success 'recorded preimage' "grep ======= $rr/preimage"
|
||||
|
||||
test_expect_success 'no postimage or thisimage yet' \
|
||||
"test ! -f $rr/postimage -a ! -f $rr/thisimage"
|
||||
|
||||
git show first:a1 > a1
|
||||
|
||||
cat > expect << EOF
|
||||
--- a/a1
|
||||
+++ b/a1
|
||||
@@ -6,11 +6,7 @@
|
||||
The heart-ache and the thousand natural shocks
|
||||
That flesh is heir to, 'tis a consummation
|
||||
Devoutly to be wish'd.
|
||||
-<<<<<<<
|
||||
-To die! To sleep;
|
||||
-=======
|
||||
To die, to sleep;
|
||||
->>>>>>>
|
||||
To sleep: perchance to dream: ay, there's the rub;
|
||||
For in that sleep of death what dreams may come
|
||||
When we have shuffled off this mortal coil,
|
||||
EOF
|
||||
|
||||
git rerere diff > out
|
||||
|
||||
test_expect_success 'rerere diff' 'diff -u expect out'
|
||||
|
||||
cat > expect << EOF
|
||||
a1
|
||||
EOF
|
||||
|
||||
git rerere status > out
|
||||
|
||||
test_expect_success 'rerere status' 'diff -u expect out'
|
||||
|
||||
test_expect_success 'commit succeeds' \
|
||||
"git commit -q -a -m 'prefer first over second'"
|
||||
|
||||
test_expect_success 'recorded postimage' "test -f $rr/postimage"
|
||||
|
||||
git checkout -b third master
|
||||
git show second^:a1 | sed 's/To die: t/To die! T/' > a1
|
||||
git commit -q -a -m third
|
||||
|
||||
test_expect_failure 'another conflicting merge' 'git pull . first'
|
||||
|
||||
git show first:a1 | sed 's/To die: t/To die! T/' > expect
|
||||
test_expect_success 'rerere kicked in' "! grep ======= a1"
|
||||
|
||||
test_expect_success 'rerere prefers first change' 'diff -u a1 expect'
|
||||
|
||||
rm $rr/postimage
|
||||
echo "$sha1 a1" | tr '\012' '\0' > .git/rr-cache/MERGE_RR
|
||||
|
||||
test_expect_success 'rerere clear' 'git rerere clear'
|
||||
|
||||
test_expect_success 'clear removed the directory' "test ! -d $rr"
|
||||
|
||||
mkdir $rr
|
||||
echo Hello > $rr/preimage
|
||||
echo World > $rr/postimage
|
||||
|
||||
sha2=4000000000000000000000000000000000000000
|
||||
rr2=.git/rr-cache/$sha2
|
||||
mkdir $rr2
|
||||
echo Hello > $rr2/preimage
|
||||
|
||||
case "$(date -d @11111111 +%s 2>/dev/null)" in
|
||||
[1-9]*)
|
||||
# it is a recent GNU date. good.
|
||||
now=$(date +%s)
|
||||
almost_15_days_ago=$(($now+60-15*86400))
|
||||
just_over_15_days_ago=$(($now-1-15*86400))
|
||||
almost_60_days_ago=$(($now+60-60*86400))
|
||||
just_over_60_days_ago=$(($now-1-60*86400))
|
||||
predate1="$(date -d "@$almost_60_days_ago" +%c)"
|
||||
predate2="$(date -d "@$almost_15_days_ago" +%c)"
|
||||
postdate1="$(date -d "@$just_over_60_days_ago" +%c)"
|
||||
postdate2="$(date -d "@$just_over_15_days_ago" +%c)"
|
||||
;;
|
||||
*)
|
||||
# it is not GNU date. oh, well.
|
||||
predate1="$(date)"
|
||||
predate2="$(date)"
|
||||
postdate1='1 Oct 2006 00:00:00'
|
||||
postdate2='1 Dec 2006 00:00:00'
|
||||
esac
|
||||
|
||||
touch -m -d "$predate1" $rr/preimage
|
||||
touch -m -d "$predate2" $rr2/preimage
|
||||
|
||||
test_expect_success 'garbage collection (part1)' 'git rerere gc'
|
||||
|
||||
test_expect_success 'young records still live' \
|
||||
"test -f $rr/preimage -a -f $rr2/preimage"
|
||||
|
||||
touch -m -d "$postdate1" $rr/preimage
|
||||
touch -m -d "$postdate2" $rr2/preimage
|
||||
|
||||
test_expect_success 'garbage collection (part2)' 'git rerere gc'
|
||||
|
||||
test_expect_success 'old records rest in peace' \
|
||||
"test ! -f $rr/preimage -a ! -f $rr2/preimage"
|
||||
|
||||
test_done
|
||||
|
||||
|
|
@ -102,3 +102,22 @@ int xdiff_outf(void *priv_, mmbuffer_t *mb, int nbuf)
|
|||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int read_mmfile(mmfile_t *ptr, const char *filename)
|
||||
{
|
||||
struct stat st;
|
||||
FILE *f;
|
||||
|
||||
if (stat(filename, &st))
|
||||
return error("Could not stat %s", filename);
|
||||
if ((f = fopen(filename, "rb")) == NULL)
|
||||
return error("Could not open %s", filename);
|
||||
ptr->ptr = xmalloc(st.st_size);
|
||||
if (fread(ptr->ptr, st.st_size, 1, f) != 1)
|
||||
return error("Could not read %s", filename);
|
||||
fclose(f);
|
||||
ptr->size = st.st_size;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
|
|
|
@ -17,5 +17,6 @@ int xdiff_outf(void *priv_, mmbuffer_t *mb, int nbuf);
|
|||
int parse_hunk_header(char *line, int len,
|
||||
int *ob, int *on,
|
||||
int *nb, int *nn);
|
||||
int read_mmfile(mmfile_t *ptr, const char *filename);
|
||||
|
||||
#endif
|
||||
|
|
Loading…
Reference in a new issue