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Hotfix to remove 'worktree pruning' out of 'git prune'.

* nd/multiple-work-trees:
  worktree: new place for "git prune --worktrees"
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gitster committed Jun 29, 2015
2 parents 2081fec + df0b6cf commit fd4eb60
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Showing 11 changed files with 198 additions and 114 deletions.
1 change: 1 addition & 0 deletions .gitignore
Expand Up @@ -171,6 +171,7 @@
/git-verify-tag
/git-web--browse
/git-whatchanged
/git-worktree
/git-write-tree
/git-core-*/?*
/gitweb/GITWEB-BUILD-OPTIONS
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3 changes: 0 additions & 3 deletions Documentation/git-prune.txt
Expand Up @@ -48,9 +48,6 @@ OPTIONS
--expire <time>::
Only expire loose objects older than <time>.

--worktrees::
Prune dead working tree information in $GIT_DIR/worktrees.

<head>...::
In addition to objects
reachable from any of our references, keep objects
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48 changes: 48 additions & 0 deletions Documentation/git-worktree.txt
@@ -0,0 +1,48 @@
git-worktree(1)
===============

NAME
----
git-worktree - Manage multiple worktrees


SYNOPSIS
--------
[verse]
'git worktree prune' [-n] [-v] [--expire <expire>]

DESCRIPTION
-----------

Manage multiple worktrees attached to the same repository. These are
created by the command `git checkout --to`.

COMMANDS
--------
prune::

Prune working tree information in $GIT_DIR/worktrees.

OPTIONS
-------

-n::
--dry-run::
Do not remove anything; just report what it would
remove.

-v::
--verbose::
Report all removals.

--expire <time>::
Only expire unused worktrees older than <time>.

SEE ALSO
--------

linkgit:git-checkout[1]

GIT
---
Part of the linkgit:git[1] suite
1 change: 1 addition & 0 deletions Makefile
Expand Up @@ -910,6 +910,7 @@ BUILTIN_OBJS += builtin/var.o
BUILTIN_OBJS += builtin/verify-commit.o
BUILTIN_OBJS += builtin/verify-pack.o
BUILTIN_OBJS += builtin/verify-tag.o
BUILTIN_OBJS += builtin/worktree.o
BUILTIN_OBJS += builtin/write-tree.o

GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
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1 change: 1 addition & 0 deletions builtin.h
Expand Up @@ -133,6 +133,7 @@ extern int cmd_verify_commit(int argc, const char **argv, const char *prefix);
extern int cmd_verify_tag(int argc, const char **argv, const char *prefix);
extern int cmd_version(int argc, const char **argv, const char *prefix);
extern int cmd_whatchanged(int argc, const char **argv, const char *prefix);
extern int cmd_worktree(int argc, const char **argv, const char *prefix);
extern int cmd_write_tree(int argc, const char **argv, const char *prefix);
extern int cmd_verify_pack(int argc, const char **argv, const char *prefix);
extern int cmd_show_ref(int argc, const char **argv, const char *prefix);
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2 changes: 1 addition & 1 deletion builtin/gc.c
Expand Up @@ -293,7 +293,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
argv_array_pushl(&reflog, "reflog", "expire", "--all", NULL);
argv_array_pushl(&repack, "repack", "-d", "-l", NULL);
argv_array_pushl(&prune, "prune", "--expire", NULL);
argv_array_pushl(&prune_worktrees, "prune", "--worktrees", "--expire", NULL);
argv_array_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL);
argv_array_pushl(&rerere, "rerere", "gc", NULL);

gc_config();
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99 changes: 0 additions & 99 deletions builtin/prune.c
Expand Up @@ -6,7 +6,6 @@
#include "reachable.h"
#include "parse-options.h"
#include "progress.h"
#include "dir.h"

static const char * const prune_usage[] = {
N_("git prune [-n] [-v] [--expire <time>] [--] [<head>...]"),
Expand Down Expand Up @@ -76,95 +75,6 @@ static int prune_subdir(int nr, const char *path, void *data)
return 0;
}

static int prune_worktree(const char *id, struct strbuf *reason)
{
struct stat st;
char *path;
int fd, len;

if (!is_directory(git_path("worktrees/%s", id))) {
strbuf_addf(reason, _("Removing worktrees/%s: not a valid directory"), id);
return 1;
}
if (file_exists(git_path("worktrees/%s/locked", id)))
return 0;
if (stat(git_path("worktrees/%s/gitdir", id), &st)) {
strbuf_addf(reason, _("Removing worktrees/%s: gitdir file does not exist"), id);
return 1;
}
fd = open(git_path("worktrees/%s/gitdir", id), O_RDONLY);
if (fd < 0) {
strbuf_addf(reason, _("Removing worktrees/%s: unable to read gitdir file (%s)"),
id, strerror(errno));
return 1;
}
len = st.st_size;
path = xmalloc(len + 1);
read_in_full(fd, path, len);
close(fd);
while (len && (path[len - 1] == '\n' || path[len - 1] == '\r'))
len--;
if (!len) {
strbuf_addf(reason, _("Removing worktrees/%s: invalid gitdir file"), id);
free(path);
return 1;
}
path[len] = '\0';
if (!file_exists(path)) {
struct stat st_link;
free(path);
/*
* the repo is moved manually and has not been
* accessed since?
*/
if (!stat(git_path("worktrees/%s/link", id), &st_link) &&
st_link.st_nlink > 1)
return 0;
if (st.st_mtime <= expire) {
strbuf_addf(reason, _("Removing worktrees/%s: gitdir file points to non-existent location"), id);
return 1;
} else {
return 0;
}
}
free(path);
return 0;
}

static void prune_worktrees(void)
{
struct strbuf reason = STRBUF_INIT;
struct strbuf path = STRBUF_INIT;
DIR *dir = opendir(git_path("worktrees"));
struct dirent *d;
int ret;
if (!dir)
return;
while ((d = readdir(dir)) != NULL) {
if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
continue;
strbuf_reset(&reason);
if (!prune_worktree(d->d_name, &reason))
continue;
if (show_only || verbose)
printf("%s\n", reason.buf);
if (show_only)
continue;
strbuf_reset(&path);
strbuf_addstr(&path, git_path("worktrees/%s", d->d_name));
ret = remove_dir_recursively(&path, 0);
if (ret < 0 && errno == ENOTDIR)
ret = unlink(path.buf);
if (ret)
error(_("failed to remove: %s"), strerror(errno));
}
closedir(dir);
if (!show_only)
rmdir(git_path("worktrees"));
strbuf_release(&reason);
strbuf_release(&path);
}

/*
* Write errors (particularly out of space) can result in
* failed temporary packs (and more rarely indexes and other
Expand All @@ -191,12 +101,10 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
struct progress *progress = NULL;
int do_prune_worktrees = 0;
const struct option options[] = {
OPT__DRY_RUN(&show_only, N_("do not remove, show only")),
OPT__VERBOSE(&verbose, N_("report pruned objects")),
OPT_BOOL(0, "progress", &show_progress, N_("show progress")),
OPT_BOOL(0, "worktrees", &do_prune_worktrees, N_("prune .git/worktrees")),
OPT_EXPIRY_DATE(0, "expire", &expire,
N_("expire objects older than <time>")),
OPT_END()
Expand All @@ -211,13 +119,6 @@ int cmd_prune(int argc, const char **argv, const char *prefix)

argc = parse_options(argc, argv, prefix, options, prune_usage, 0);

if (do_prune_worktrees) {
if (argc)
die(_("--worktrees does not take extra arguments"));
prune_worktrees();
return 0;
}

while (argc--) {
unsigned char sha1[20];
const char *name = *argv++;
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133 changes: 133 additions & 0 deletions builtin/worktree.c
@@ -0,0 +1,133 @@
#include "cache.h"
#include "builtin.h"
#include "dir.h"
#include "parse-options.h"

static const char * const worktree_usage[] = {
N_("git worktree prune [<options>]"),
NULL
};

static int show_only;
static int verbose;
static unsigned long expire;

static int prune_worktree(const char *id, struct strbuf *reason)
{
struct stat st;
char *path;
int fd, len;

if (!is_directory(git_path("worktrees/%s", id))) {
strbuf_addf(reason, _("Removing worktrees/%s: not a valid directory"), id);
return 1;
}
if (file_exists(git_path("worktrees/%s/locked", id)))
return 0;
if (stat(git_path("worktrees/%s/gitdir", id), &st)) {
strbuf_addf(reason, _("Removing worktrees/%s: gitdir file does not exist"), id);
return 1;
}
fd = open(git_path("worktrees/%s/gitdir", id), O_RDONLY);
if (fd < 0) {
strbuf_addf(reason, _("Removing worktrees/%s: unable to read gitdir file (%s)"),
id, strerror(errno));
return 1;
}
len = st.st_size;
path = xmalloc(len + 1);
read_in_full(fd, path, len);
close(fd);
while (len && (path[len - 1] == '\n' || path[len - 1] == '\r'))
len--;
if (!len) {
strbuf_addf(reason, _("Removing worktrees/%s: invalid gitdir file"), id);
free(path);
return 1;
}
path[len] = '\0';
if (!file_exists(path)) {
struct stat st_link;
free(path);
/*
* the repo is moved manually and has not been
* accessed since?
*/
if (!stat(git_path("worktrees/%s/link", id), &st_link) &&
st_link.st_nlink > 1)
return 0;
if (st.st_mtime <= expire) {
strbuf_addf(reason, _("Removing worktrees/%s: gitdir file points to non-existent location"), id);
return 1;
} else {
return 0;
}
}
free(path);
return 0;
}

static void prune_worktrees(void)
{
struct strbuf reason = STRBUF_INIT;
struct strbuf path = STRBUF_INIT;
DIR *dir = opendir(git_path("worktrees"));
struct dirent *d;
int ret;
if (!dir)
return;
while ((d = readdir(dir)) != NULL) {
if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
continue;
strbuf_reset(&reason);
if (!prune_worktree(d->d_name, &reason))
continue;
if (show_only || verbose)
printf("%s\n", reason.buf);
if (show_only)
continue;
strbuf_reset(&path);
strbuf_addstr(&path, git_path("worktrees/%s", d->d_name));
ret = remove_dir_recursively(&path, 0);
if (ret < 0 && errno == ENOTDIR)
ret = unlink(path.buf);
if (ret)
error(_("failed to remove: %s"), strerror(errno));
}
closedir(dir);
if (!show_only)
rmdir(git_path("worktrees"));
strbuf_release(&reason);
strbuf_release(&path);
}

static int prune(int ac, const char **av, const char *prefix)
{
struct option options[] = {
OPT__DRY_RUN(&show_only, N_("do not remove, show only")),
OPT__VERBOSE(&verbose, N_("report pruned objects")),
OPT_EXPIRY_DATE(0, "expire", &expire,
N_("expire objects older than <time>")),
OPT_END()
};

expire = ULONG_MAX;
ac = parse_options(ac, av, prefix, options, worktree_usage, 0);
if (ac)
usage_with_options(worktree_usage, options);
prune_worktrees();
return 0;
}

int cmd_worktree(int ac, const char **av, const char *prefix)
{
struct option options[] = {
OPT_END()
};

if (ac < 2)
usage_with_options(worktree_usage, options);
if (!strcmp(av[1], "prune"))
return prune(ac - 1, av + 1, prefix);
usage_with_options(worktree_usage, options);
}
1 change: 1 addition & 0 deletions command-list.txt
Expand Up @@ -148,4 +148,5 @@ git-verify-pack plumbinginterrogators
git-verify-tag ancillaryinterrogators
gitweb ancillaryinterrogators
git-whatchanged ancillaryinterrogators
git-worktree mainporcelain
git-write-tree plumbingmanipulators
1 change: 1 addition & 0 deletions git.c
Expand Up @@ -483,6 +483,7 @@ static struct cmd_struct commands[] = {
{ "verify-tag", cmd_verify_tag, RUN_SETUP },
{ "version", cmd_version },
{ "whatchanged", cmd_whatchanged, RUN_SETUP },
{ "worktree", cmd_worktree, RUN_SETUP },
{ "write-tree", cmd_write_tree, RUN_SETUP },
};

Expand Down

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