forked from josch/mmdebstrap
add --hook-directory option and a directory with hooks
This commit is contained in:
parent
e2a759967f
commit
075645289f
6 changed files with 120 additions and 1 deletions
7
hooks/busybox/extract00.sh
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7
hooks/busybox/extract00.sh
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#!/bin/sh
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set -exu
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rootdir="$1"
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chroot "$rootdir" busybox --install -s
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13
hooks/busybox/setup00.sh
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hooks/busybox/setup00.sh
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#!/bin/sh
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set -exu
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rootdir="$1"
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mkdir -p "$rootdir/bin"
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echo root:x:0:0:root:/root:/bin/sh > "$rootdir/etc/passwd"
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cat << END > "$rootdir/etc/group"
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root:x:0:
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mail:x:8:
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utmp:x:43:
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END
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10
hooks/eatmydata/customize.sh
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hooks/eatmydata/customize.sh
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#!/bin/sh
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set -exu
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rootdir="$1"
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rm "$rootdir/usr/bin/eatmydata"
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mv "$rootdir/usr/bin/dpkg.orig" "$rootdir/usr/bin/dpkg"
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sync
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16
hooks/eatmydata/extract.sh
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hooks/eatmydata/extract.sh
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#!/bin/sh
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set -exu
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rootdir="$1"
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libdir="/usr/lib/$(dpkg-architecture -q DEB_HOST_MULTIARCH)"
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mkdir -p "$rootdir$libdir"
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cp -a $libdir/libeatmydata* "$rootdir$libdir"
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cp -a /usr/bin/eatmydata "$rootdir/usr/bin"
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mv "$rootdir/usr/bin/dpkg" "$rootdir/usr/bin/dpkg.orig"
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cat << END > "$rootdir/usr/bin/dpkg"
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#!/bin/sh
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exec /usr/bin/eatmydata /usr/bin/dpkg.orig "\$@"
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END
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chmod +x "$rootdir/usr/bin/dpkg"
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10
hooks/setup00-merged-usr.sh
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10
hooks/setup00-merged-usr.sh
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#!/bin/sh
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set -exu
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rootdir="$1"
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for d in bin sbin lib; do
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ln -s usr/$d "$rootdir/$d"
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mkdir -p "$rootdir/usr/$d"
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done
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65
mmdebstrap
65
mmdebstrap
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@ -3474,11 +3474,45 @@ sub main() {
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sub { push @{ $options->{noop} }, 'no-merged-usr'; },
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'force-check-gpg' =>
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sub { push @{ $options->{noop} }, 'force-check-gpg'; },
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# hook options are hidden until I'm happy with them
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'setup-hook=s@' => \$options->{setup_hook},
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'extract-hook=s@' => \$options->{extract_hook},
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'essential-hook=s@' => \$options->{essential_hook},
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'customize-hook=s@' => \$options->{customize_hook},
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'hook-directory=s' => sub {
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my ($opt_name, $opt_value) = @_;
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if (!-e $opt_value) {
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error "hook directory \"$opt_value\" does not exist";
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}
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my $abs_path = abs_path($opt_value);
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if (!defined $abs_path) {
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error( "unable to get absolute path of "
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. "--hook-directory: $opt_value");
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}
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# since abs_path resolved all symlinks for us, we can now test
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# what the actual target actually is
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if (!-d $opt_value) {
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error "hook directory \"$opt_value\" is not a directory";
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}
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# gather all files starting with special prefixes into the
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# respective keys of a hash
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my %scripts;
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opendir(my $dh, $opt_value)
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or error "Can't opendir($opt_value): $!";
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while (my $entry = readdir $dh) {
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foreach
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my $hook ('setup', 'extract', 'essential', 'customize') {
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if ($entry =~ m/^\Q$hook\E/ and -x "$opt_value/$entry") {
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push @{$scripts{$hook}}, "$opt_value/$entry";
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}
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}
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}
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closedir($dh);
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# add the sorted list associated with each key to the respective
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# list of hooks
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foreach my $hook (keys %scripts) {
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push @{ $options->{"${hook}_hook"} }, (sort @{$scripts{$hook}});
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}
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},
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# Sometimes --simulate fails even though non-simulate succeeds because
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# in simulate mode, apt cannot rely on dpkg to figure out tricky
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# dependency situations and will give up instead when it cannot find
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@ -5291,6 +5325,35 @@ Example: Preparing a chroot for use with autopkgtest
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--customize-hook='echo "127.0.0.1 localhost host" > "$1/etc/hosts"'
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--customize-hook=/usr/share/autopkgtest/setup-commands/setup-testbed
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=item B<--hook-directory>=I<directory>
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Execute scripts in I<directory> with filenames starting with C<setup>,
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C<extract>, C<essential> or C<customize>, at the respective stages during an
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mmdebstrap run. The files must be marked executable. Their extension is
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ignored. Subdirectories are not traversed. This option is a short-hand for
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specifying the remaining four hook options individually for each file in the
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directory. If there are more than one script for a stage, then they are added
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alphabetically. This is useful in cases, where a user wants to run the same
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hooks frequently. For example, given a directory C<./hooks> with two scripts
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C<setup01-foo.sh> and C<setup01-bar.sh>, this call:
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mmdebstrap --customize=./scriptA --hook-dir=./hooks --setup=./scriptB
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is equivalent to this call:
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mmdebstrap --customize=./scriptA --setup=./hooks/setup01-foo.sh \
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--setup=./hooks/setup02-bar.sh --setup=./scriptB
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The option can be specified multiple times and scripts are added to the
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respective hooks in the order the options are given on the command line. Thus,
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if the scripts in two directories depend upon each other, the scripts must be
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placed into a common directory and be named such that they get added in the
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correct order.
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Example: Run mmdebstrap with eatmydata
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--hook-dir=/usr/share/mmdebstrap/hooks/eatmydata
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=item B<--skip>=I<stage>[,I<stage>,...]
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B<mmdebstrap> tries hard to implement sensible defaults and will try to stop
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