1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
|
#!/usr/bin/perl -w
use strict;
use Cwd;
$| = 1; # autoflush stdout after each print, to avoid output after die
my $defaultrepo;
my @packages;
my $verbose = 2;
my $try_to_resume = 0;
my $ignore_failure = 0;
my $checked_out_flag = 0; # NOT the opposite of bare_flag (describes remote repo state)
my $get_mode;
my $bare_flag = ""; # NOT the opposite of checked_out_flag (describes local repo state)
my %tags;
# Figure out where to get the other repositories from.
sub getrepo {
my $repo;
if (defined($defaultrepo)) {
$repo = $defaultrepo;
chomp $repo;
} else {
# Figure out where to get the other repositories from,
# based on where this GHC repo came from.
my $git_dir = $bare_flag ? "--git-dir=ghc.git" : "";
my $branch = `git $git_dir branch | grep "\* " | sed "s/^\* //"`; chomp $branch;
my $remote = `git $git_dir config branch.$branch.remote`; chomp $remote;
if ($remote eq "") {
# remotes are not mandatory for branches (e.g. not recorded by default for bare repos)
$remote = "origin";
}
$repo = `git $git_dir config remote.$remote.url`; chomp $repo;
}
my $repo_base;
my $checked_out_tree;
if ($repo =~ /^...*:/) {
# HTTP or SSH
# Above regex says "at least two chars before the :", to avoid
# catching Win32 drives ("C:\").
$repo_base = $repo;
# --checked-out is needed if you want to use a checked-out repo
# over SSH or HTTP
if ($checked_out_flag) {
$checked_out_tree = 1;
} else {
$checked_out_tree = 0;
}
# Don't drop the last part of the path if specified with -r, as
# it expects repos of the form:
#
# http://darcs.haskell.org
#
# rather than
#
# http://darcs.haskell.org/ghc
#
if (!$defaultrepo) {
$repo_base =~ s#/[^/]+/?$##;
}
}
elsif ($repo =~ /^\/|\.\.\/|.:(\/|\\)/) {
# Local filesystem, either absolute (C:/ or /) or relative (../) path
$repo_base = $repo;
if (-f "$repo/HEAD") {
# assume a local mirror:
$checked_out_tree = 0;
$repo_base =~ s#/[^/]+/?$##;
} elsif (-d "$repo/ghc.git") {
# assume a local mirror:
$checked_out_tree = 0;
} else {
# assume a checked-out tree:
$checked_out_tree = 1;
}
}
else {
die "Couldn't work out repo";
}
return $repo_base, $checked_out_tree;
}
sub parsePackages {
my @repos;
my $lineNum;
open IN, "< packages.conf"
or open IN, "< packages" # clashes with packages directory when using --bare
or die "Can't open packages file (or packages.conf)";
@repos = <IN>;
close IN;
@packages = ();
$lineNum = 0;
foreach (@repos) {
chomp;
$lineNum++;
if (/^([^# ]+) +([^ ]+) +([^ ]+) +([^ ]+)$/) {
my %line;
$line{"localpath"} = $1;
$line{"tag"} = $2;
$line{"remotepath"} = $3;
$line{"vcs"} = $4;
push @packages, \%line;
}
elsif (! /^(#.*)?$/) {
die "Bad content on line $lineNum of packages file: $_";
}
}
}
sub message {
if ($verbose >= 2) {
print "@_\n";
}
}
sub warning {
if ($verbose >= 1) {
print "warning: @_\n";
}
}
sub scm {
my $dir = shift;
my $scm = shift;
my $pwd;
if ($dir eq '.') {
message "== running $scm @_";
} else {
message "== $dir: running $scm @_";
$pwd = getcwd();
chdir($dir);
}
system ($scm, @_) == 0
or $ignore_failure
or die "$scm failed: $?";
if ($dir ne '.') {
chdir($pwd);
}
}
sub scmall {
my $command = shift;
my $localpath;
my $tag;
my $remotepath;
my $scm;
my $line;
my $branch_name;
my $subcommand;
my $path;
my $wd_before = getcwd;
my $pwd;
my @args;
my $started;
my $doing;
my $start_repo;
my ($repo_base, $checked_out_tree) = getrepo();
my $is_github_repo = $repo_base =~ m/(git@|git:\/\/|https:\/\/)github.com/;
parsePackages;
@args = ();
if ($command =~ /^remote$/) {
while (@_ > 0 && $_[0] =~ /^-/) {
push(@args,shift);
}
if (@_ < 1) { help(1); }
$subcommand = shift;
if ($subcommand ne 'add' && $subcommand ne 'rm' && $subcommand ne 'set-url') {
help(1);
}
while (@_ > 0 && $_[0] =~ /^-/) {
push(@args,shift);
}
if (($subcommand eq 'add' || $subcommand eq 'rm') && @_ < 1) {
help(1);
} elsif (@_ < 1) { # set-url
$branch_name = 'origin';
} else {
$branch_name = shift;
}
} elsif ($command eq 'new') {
if (@_ < 1) {
$branch_name = 'origin';
} else {
$branch_name = shift;
}
}
push(@args, @_);
# $doing is a good enough approximation to what we are doing that
# we can use it to check that --resume is resuming the right command
$doing = join(" ", ($command, @args));
$started = 1;
if ($try_to_resume && -f "resume") {
my $what;
open RESUME, "< resume"
or die "Can't open resume file";
$start_repo = <RESUME>;
chomp $start_repo;
$what = <RESUME>;
chomp $what;
close RESUME;
if ($what eq $doing) {
$started = 0;
}
}
for $line (@packages) {
$tag = $$line{"tag"};
$scm = $$line{"vcs"};
# Use the "remote" structure for bare git repositories
$localpath = ($bare_flag && $scm eq "git") ?
$$line{"remotepath"} : $$line{"localpath"};
$remotepath = ($checked_out_tree) ?
$$line{"localpath"} : $$line{"remotepath"};
if (!$started) {
if ($start_repo eq $localpath) {
$started = 1;
}
else {
next;
}
}
open RESUME, "> resume.tmp";
print RESUME "$localpath\n";
print RESUME "$doing\n";
close RESUME;
rename "resume.tmp", "resume";
# Check the SCM is OK as early as possible
die "Unknown SCM: $scm" if (($scm ne "darcs") and ($scm ne "git"));
# We can't create directories on GitHub, so we translate
# "packages/foo" into "package-foo".
if ($is_github_repo) {
$remotepath =~ s/\//-/;
}
# Construct the path for this package in the repo we pulled from
$path = "$repo_base/$remotepath";
if ($command =~ /^(?:g|ge|get)$/) {
# Skip any repositories we have not included the tag for
if (not defined($tags{$tag})) {
$tags{$tag} = 0;
}
if ($tags{$tag} == 0) {
next;
}
if (-d $localpath) {
warning("$localpath already present; omitting")
if $localpath ne ".";
if ($scm eq "git") {
scm ($localpath, $scm, "config", "core.ignorecase", "true");
}
next;
}
# Note that we use "." as the path, as $localpath
# doesn't exist yet.
if ($scm eq "darcs") {
# The first time round the loop, default the get-mode
if (not defined($get_mode)) {
warning("adding --partial, to override use --complete");
$get_mode = "--partial";
}
scm (".", $scm, "get", $get_mode, $path, $localpath, @args);
}
else {
my @argsWithBare = @args;
push @argsWithBare, $bare_flag if $bare_flag;
scm (".", $scm, "clone", $path, $localpath, @argsWithBare);
scm ($localpath, $scm, "config", "core.ignorecase", "true");
}
next;
}
my $darcs_repo_present = 1 if -d "$localpath/_darcs";
my $git_repo_present = 1 if -d "$localpath/.git" || ($bare_flag && -d "$localpath");
if ($darcs_repo_present) {
if ($git_repo_present) {
die "Found both _darcs and .git in $localpath";
}
$scm = "darcs";
} elsif ($git_repo_present) {
$scm = "git";
} elsif ($tag eq "") {
die "Required repo $localpath is missing";
} else {
message "== $localpath repo not present; skipping";
next;
}
# Work out the arguments we should give to the SCM
if ($command =~ /^(?:w|wh|wha|what|whats|whatsn|whatsne|whatsnew|status)$/) {
if ($scm eq "darcs") {
$command = "whatsnew";
}
elsif ($scm eq "git") {
$command = "status";
}
else {
die "Unknown scm";
}
# Hack around 'darcs whatsnew' failing if there are no changes
$ignore_failure = 1;
scm ($localpath, $scm, $command, @args);
}
elsif ($command =~ /^commit$/) {
# git fails if there is nothing to commit, so ignore failures
$ignore_failure = 1;
scm ($localpath, $scm, "commit", @args);
}
elsif ($command =~ /^(?:pus|push)$/) {
scm ($localpath, $scm, "push", @args);
}
elsif ($command =~ /^(?:pul|pull)$/) {
scm ($localpath, $scm, "pull", @args);
}
elsif ($command =~ /^(?:s|se|sen|send)$/) {
if ($scm eq "darcs") {
$command = "send";
}
elsif ($scm eq "git") {
$command = "send-email";
}
else {
die "Unknown scm";
}
scm ($localpath, $scm, $command, @args);
}
elsif ($command =~ /^fetch$/) {
scm ($localpath, $scm, "fetch", @args);
}
elsif ($command =~ /^new$/) {
my @scm_args = ("log", "$branch_name..");
scm ($localpath, $scm, @scm_args, @args);
}
elsif ($command =~ /^log$/) {
scm ($localpath, $scm, "log", @args);
}
elsif ($command =~ /^remote$/) {
my @scm_args;
$ignore_failure = 1;
if ($subcommand eq 'add') {
@scm_args = ("remote", "add", $branch_name, $path);
} elsif ($subcommand eq 'rm') {
@scm_args = ("remote", "rm", $branch_name);
} elsif ($subcommand eq 'set-url') {
@scm_args = ("remote", "set-url", $branch_name, $path);
}
scm ($localpath, $scm, @scm_args, @args);
}
elsif ($command =~ /^checkout$/) {
# Not all repos are necessarily branched, so ignore failure
$ignore_failure = 1;
scm ($localpath, $scm, "checkout", @args)
unless $scm eq "darcs";
}
elsif ($command =~ /^grep$/) {
# Hack around 'git grep' failing if there are no matches
$ignore_failure = 1;
scm ($localpath, $scm, "grep", @args)
unless $scm eq "darcs";
}
elsif ($command =~ /^clean$/) {
scm ($localpath, $scm, "clean", @args)
unless $scm eq "darcs";
}
elsif ($command =~ /^reset$/) {
scm ($localpath, $scm, "reset", @args)
unless $scm eq "darcs";
}
elsif ($command =~ /^branch$/) {
scm ($localpath, $scm, "branch", @args)
unless $scm eq "darcs";
}
elsif ($command =~ /^config$/) {
scm ($localpath, $scm, "config", @args)
unless $scm eq "darcs";
}
elsif ($command =~ /^repack$/) {
scm ($localpath, $scm, "repack", @args)
if $scm eq "git"
}
elsif ($command =~ /^format-patch$/) {
scm ($localpath, $scm, "format-patch", @args)
if $scm eq "git"
}
elsif ($command =~ /^gc$/) {
scm ($localpath, $scm, "gc", @args)
unless $scm eq "darcs";
}
else {
die "Unknown command: $command";
}
}
unlink "resume";
}
sub help
{
my $exit = shift;
# Get the built in help
my $help = <<END;
Usage:
./sync-all [-q] [-s] [--ignore-failure] [-r repo] [--checked-out] [--bare]
[--nofib] [--extra] [--testsuite] [--resume] cmd [git flags]
Applies the command "cmd" to each repository in the tree.
A full repository tree is obtained by first cloning the ghc
repository, then getting the subrepositories with "sync-all get":
\$ git clone http://darcs.haskell.org/ghc.git
\$ cd ghc
\$ ./sync-all get
After this, "./sync-all pull" will pull from the original repository
tree.
A remote pointing to another local repository tree can be added like
this:
\$ ./sync-all -r /path/to/ghc remote add otherlocal
and then we can pull from this other tree with
\$ ./sync-all pull otherlocal
-------------- Commands -----------------
get
Clones all sub-repositories from the same place that the ghc
repository was cloned from. See "which repos to use" below
for details of how the subrepositories are laid out.
There are various --<package-tag> options that can be given
before "get" that enable extra repositories. The full list is
given at the end of this help. For example:
./sync-all --testsuite get
would get the testsuite repository in addition to the usual set of
subrepositories.
remote add <remote-name>
remote rm <remote-name>
remote set-url [--push] <remote-name>
Runs a "git remote" command on each subrepository, adjusting the
repository location in each case appropriately. For example, to
add a new remote pointing to the upstream repositories:
./sync-all -r http://darcs.haskell.org/ remote add upstream
The -r flag points to the root of the repository tree (see "which
repos to use" below). For a repository on the local filesystem it
would point to the ghc reposiroty, and for a remote repository it
points to the directory containing "ghc.git".
These commands just run the equivalent git command on each repository, passing
any extra arguments to git:
branch
checkout
clean
commit
config
fetch
format-patch
gc
grep
log
new
pull
push
repack
reset
send
status
-------------- Flags -------------------
These flags are given *before* the command and modify the way
sync-all behaves. Flags given *after* the command are passed to
git.
-q says to be quiet, and -s to be silent.
--resume will restart a command that failed, from the repo at which
it failed. This means you don't need to wait while, e.g., "pull"
goes through all the repos it's just pulled, and tries to pull them
again.
--ignore-failure says to ignore errors and move on to the next repository
-r repo says to use repo as the location of package repositories
--checked-out says that the remote repo is in checked-out layout, as
opposed to the layout used for the main repo. By default a repo on
the local filesystem is assumed to be checked-out, and repos accessed
via HTTP or SSH are assumed to be in the main repo layout; use
--checked-out to override the latter.
--bare says that the local repo is in bare layout, same as the main repo.
It also means that these repos are bare. You only have to use this flag if
you don't have a bare ghc.git in the current directory and would like to 'get'
all of the repos bare. Requires packages.conf to be present in the current
directory (a renamed packages file from the main ghc repo).
Note: --checked-out and --bare flags are NOT the opposite of each other.
--checked-out: describes the layout of the remote repository tree.
--bare: describes the layout of the local repository tree.
--nofib, --testsuite also get the nofib and testsuite repos respectively
------------ Which repos to use -------------
sync-all uses the following algorithm to decide which remote repos to use
It always computes the remote repos from a single base, <repo_base>
How is <repo_base> set?
If you say "-r repo", then that's <repo_base>
otherwise <repo_base> is set by asking git where the ghc repo came
from, and removing the last component (e.g. /ghc.git/ or /ghc/).
Then sync-all iterates over the package found in the file
./packages; see that file for a description of the contents.
If <repo_base> looks like a local filesystem path, or if you give
the --checked-out flag, sync-all works on repos of form
<repo_base>/<local-path>
otherwise sync-all works on repos of form
<repo_base>/<remote-path>
This logic lets you say
both sync-all -r http://darcs.haskell.org/ghc-6.12 remote add ghc-6.12
and sync-all -r ../working remote add working
The latter is called a "checked-out tree".
NB: sync-all *ignores* the defaultrepo of all repos other than the
root one. So the remote repos must be laid out in one of the two
formats given by <local-path> and <remote-path> in the file 'packages'.
Available package-tags are:
END
# Collect all the tags in the packages file
my %available_tags;
open IN, "< packages.conf"
or open IN, "< packages" # clashes with packages directory when using --bare
or die "Can't open packages file (or packages.conf)";
while (<IN>) {
chomp;
if (/^([^# ]+) +(?:([^ ]+) +)?([^ ]+) +([^ ]+)/) {
if (defined($2) && $2 ne "-") {
$available_tags{$2} = 1;
}
}
elsif (! /^(#.*)?$/) {
die "Bad line: $_";
}
}
close IN;
# Show those tags and the help text
my @available_tags = keys %available_tags;
print "$help@available_tags\n\n";
exit $exit;
}
sub main {
$tags{"-"} = 1;
$tags{"dph"} = 1;
while ($#_ ne -1) {
my $arg = shift;
# We handle -q here as well as lower down as we need to skip over it
# if it comes before the source-control command
if ($arg eq "-q") {
$verbose = 1;
}
elsif ($arg eq "-s") {
$verbose = 0;
}
elsif ($arg eq "-r") {
$defaultrepo = shift;
}
elsif ($arg eq "--resume") {
$try_to_resume = 1;
}
elsif ($arg eq "--ignore-failure") {
$ignore_failure = 1;
}
elsif ($arg eq "--complete" || $arg eq "--partial") {
$get_mode = $arg;
}
# Use --checked-out if the _remote_ repos are a checked-out tree,
# rather than the master trees.
elsif ($arg eq "--checked-out") {
$checked_out_flag = 1;
}
# Use --bare if the _local_ repos are bare repos,
# rather than a checked-out tree.
elsif ($arg eq "--bare") {
$bare_flag = $arg;
}
elsif ($arg eq "--help") {
help(0);
}
# --<tag> says we grab the libs tagged 'tag' with
# 'get'. It has no effect on the other commands.
elsif ($arg =~ m/^--no-(.*)$/) {
$tags{$1} = 0;
}
elsif ($arg =~ m/^--(.*)$/) {
$tags{$1} = 1;
}
else {
unshift @_, $arg;
if (grep /^-q$/, @_) {
$verbose = 1;
}
last;
}
}
# check for ghc repositories in cwd
my $checked_out_found = 1 if (-d ".git" && -d "compiler");
my $bare_found = 1 if (-d "ghc.git");
if ($bare_flag && ! $bare_found && ! $defaultrepo) {
die "error: bare repository ghc.git not found.\n"
. " Either clone a bare ghc repo first or specify the repo location. E.g.:\n"
. " ./sync-all --bare [--testsuite --nofib --extra] -r http://darcs.haskell.org/ get\n"
}
elsif ($bare_found) {
$bare_flag = "--bare";
}
elsif (! $bare_flag && ! $checked_out_found) {
die "error: sync-all must be run from the top level of the ghc tree.";
}
if ($#_ eq -1) {
help(1);
}
else {
# Give the command and rest of the arguments to the main loop
scmall @_;
}
}
END {
my $ec = $?;
my $pwd = getcwd();
message "== Checking for old haddock repo";
if (-d "utils/haddock/.git") {
chdir("utils/haddock");
if ((system "git log -1 87e2ca11c3d1b1bc49900fba0b5c5c6f85650718 > /dev/null 2> /dev/null") == 0) {
print <<EOF;
============================
ATTENTION!
You have an old haddock repository in your GHC tree!
Please remove it (e.g. "rm -r utils/haddock"), and then run
"./sync-all get" to get the new repository.
============================
EOF
}
chdir($pwd);
}
message "== Checking for old binary repo";
if (-d "libraries/binary/.git") {
chdir("libraries/binary");
if ((system "git log -1 749ac0efbde3b14901417364a872796598747aaf > /dev/null 2> /dev/null") == 0) {
print <<EOF;
============================
ATTENTION!
You have an old binary repository in your GHC tree!
Please remove it (e.g. "rm -r libraries/binary"), and then run
"./sync-all get" to get the new repository.
============================
EOF
}
chdir($pwd);
}
$? = $ec;
}
main(@ARGV);
|