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scripts/feeds: implement support for --root option

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Some feeds might need to set the source for their packages in a
different directory than the cloned one.

For example a feed "test" might be an entire repository and the relevant
packages that wants to be included are in the directory "foo".

In such scenario the source info in the package will result in something
like "feeds/test/foo/network/dnsmasq" instead of an expected entry like
"feeds/test/network/dnsmasq".

To give a more real-world example, this problem is currently present
with OpenWrt SDK where the SDK clone the entire OpenWrt core repository
as "base" feeds but the package are present in the "package" directory.

This cause every package to have the source entry set to
"feeds/base/package/..." conflicting with what a non-SDK build do with
setting the source entry to "feeds/base/..."

To solve this, actually enable support for "flags" in the feeds script
and implement a new option "--root" to set the root directory for the
defined feed to an inner directory.

The "flags" in the feed script are no more than argument option that can
be defined right after the "src-" type in the feed.conf file.

This feature was partially implemented but never actually used for
anything keeping it dormant with all the core piece there (the pattern
regex always accounted for these extra option but they were never passed
to the relevant functions)

An example of the "--root" flag is the following:

src-git --root=package base https://git.openwrt.org/openwrt/openwrt.git;main

With "--root" defined, the script will append "_root" to the feed name
clone directory and will create a symbolic link named with the feed name
and pointing to the feed name clone directory + the value in root.

From the previous example:

feed name: base -> clone directory: base_root
symbolic link: base -> base_root/package

The script internally reference the "_root" directory for every update
operation and OpenWrt build system transparently use the feed name
directory to reference feed packages producing consistent source info
entry.

Link: https://github.com/openwrt/openwrt/pull/20396
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Christian Marangi
2025-10-13 01:59:52 +02:00
parent 6a68c2fef0
commit e112fd8e59
1 changed files with 25 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
scripts/feeds
View File

@ -198,7 +198,7 @@ my %update_method = (
# src-git: pull broken
# src-cpy: broken if `basename $src` != $name
sub update_feed_via($$$$$$$) {
sub update_feed_via($$$$$$$$) {
my $type = shift;
my $name = shift;
my $src = shift;
@ -206,22 +206,32 @@ sub update_feed_via($$$$$$$) {
my $force = shift;
my $rebase = shift;
my $stash = shift;
my $flags = shift;
my $m = $update_method{$type};
my $localpath = "./feeds/$name";
my $safepath = $localpath;
$safepath =~ s/'/'\\''/;
my $safename = $name;
$safename =~ s/'/'\\''/;
my $localpath = "./feeds/$safename";
my $localpath_orig;
if (defined $flags->{'root'}) {
$safename .= "_root";
$localpath_orig = $localpath;
$localpath .= "_root";
}
my ($base_branch, $branch) = split(/;/, $src, 2);
my ($base_commit, $commit) = split(/\^/, $src, 2);
if( $relocate || !$m->{'update'} || !-d "$localpath/$m->{'controldir'}" ) {
system("rm -rf '$safepath'");
if (defined $flags->{'root'}) {
system("rm -rf $localpath_orig; ln -s $safename/$flags->{'root'} $localpath_orig");
}
system("rm -rf '$localpath'");
if ($m->{'init_branch'} and $branch) {
system(sprintf($m->{'init_branch'}, $branch, $base_branch, $safepath)) == 0 or return 1;
system(sprintf($m->{'init_branch'}, $branch, $base_branch, $localpath)) == 0 or return 1;
} elsif ($m->{'init_commit'} and $commit) {
system(sprintf($m->{'init_commit'}, $base_commit, $safepath, $safepath, $commit, $commit)) == 0 or return 1;
system(sprintf($m->{'init_commit'}, $base_commit, $localpath, $localpath, $commit, $commit)) == 0 or return 1;
} else {
system(sprintf($m->{'init'}, $src, $safepath)) == 0 or return 1;
system(sprintf($m->{'init'}, $src, $localpath)) == 0 or return 1;
}
} elsif ($m->{'init_commit'} and $commit) {
# in case git hash has been provided don't update the feed
@ -236,11 +246,11 @@ sub update_feed_via($$$$$$$) {
if ($stash && exists $m->{'update_stash'}) {
$update_cmd = $m->{'update_stash'};
}
system("cd '$safepath'; $update_cmd") == 0 or return 1;
system("cd '$localpath'; $update_cmd") == 0 or return 1;
}
if ($m->{'post_update'}) {
my $cmd = $m->{'post_update'};
system("cd '$safepath'; $cmd") == 0 or return 1;
system("cd '$localpath'; $cmd") == 0 or return 1;
}
return 0;
@ -793,7 +803,7 @@ sub uninstall {
return 0;
}
sub update_feed($$$$$$)
sub update_feed($$$$$$$)
{
my $type=shift;
my $name=shift;
@ -801,6 +811,7 @@ sub update_feed($$$$$$)
my $force_update=shift;
my $rebase_update=shift;
my $stash_update=shift;
my $flags=shift;
my $force_relocate=update_location( $name, "@$src" );
my $rv=0;
@ -815,7 +826,7 @@ sub update_feed($$$$$$)
my $failed = 1;
foreach my $feedsrc (@$src) {
warn "Updating feed '$name' from '$feedsrc' ...\n";
if (update_feed_via($type, $name, $feedsrc, $force_relocate, $force_update, $rebase_update, $stash_update) != 0) {
if (update_feed_via($type, $name, $feedsrc, $force_relocate, $force_update, $rebase_update, $stash_update, $flags) != 0) {
if ($force_update) {
$rv=1;
$failed=0;
@ -860,10 +871,10 @@ sub update {
my @index_feeds;
foreach my $feed (@feeds) {
my ($type, $name, $src) = @$feed;
my ($type, $name, $src, $flags) = @$feed;
next unless $#ARGV == -1 or $opts{a} or $argv_feeds{$name};
if (not $opts{i}) {
update_feed($type, $name, $src, $opts{f}, $opts{r}, $opts{s}) == 0 or $failed=1;
update_feed($type, $name, $src, $opts{f}, $opts{r}, $opts{s}, $flags) == 0 or $failed=1;
}
push @index_feeds, $name;
}