pthbs_genpkgpy

commit d39c3eba3462f3de17632963857c16640a5b1808
parent c3ac8f2c03060c52c677f1ce8fb837a0f5404f99
Author: ccx <ccx@te2000.cz>
Date:   Wed,  6 Mar 2024 21:42:37 +0000

core-system-conf reworked

Diffstat:
M
command/pthbs-enter-gen
 | 
34
++++++++++++++++++++++++++++++++++
M
genpkg.py
 | 
9
+++++++++
M
templates/pkg/core-system-conf
 | 
52
++++++++++++++++++++++++++++++++++++++++------------

3 files changed, 83 insertions(+), 12 deletions(-)
diff --git a/command/pthbs-enter-gen b/command/pthbs-enter-gen
@@ -47,3 +47,37 @@ EOF
 	chmod +x "$exe"
 	"$exe" true  # TODO: don't run executables without sandbox
 fi
+
+if test -x "$envcommand/install-as-current-environment.postinstall"; then
+	cat >"$exe" <<EOF
+#!$envcommand/execlineb -P
+"$envcommand/s6-envdir" "$envdir" "$envcommand/exec"
+printf "%s\n" TODO
+exit 100
+ifelse -n { test -L /run/current } {
+	if { ln -s -f -v "$envdir" }
+	"$envcommand/install-as-current-environment.postinstall"
+}
+foreground {
+	fdmove -c 1 2
+	printf "* Swapping /run/current from %s to " "$envdir"
+	readlink /run/command
+}
+getpid NS_PID
+importas -i NS_PID NS_PID
+if { mv -v /run/current /run/previous.\${NS_PID} }
+if { ln -s -f -v "$envdir" }
+ifelse {
+	"$envcommand/install-as-current-environment.postinstall" /run/previous.\${NS_PID}
+} { }
+foreground {
+	fdmove -c 1 2
+	printf "* %s returned error, reverting to " "$envcommand/install-as-current-environment.postinstall"
+	readlink /run/previous.\${NS_PID}
+}
+if { rm -v /run/current }
+if { mv -v /run/previous.\${NS_PID} /run/current }
+foreground { /run/command/install-as-current-environment.postinstall }
+exit 1
+EOF
+	chmod +x "$exe"
diff --git a/genpkg.py b/genpkg.py
@@ -30,6 +30,15 @@ class SubmoduleInfo:
                 os.symlink("../" + repo, str(self._by_commit / commit))
         return self._current_commits
 
+    def commit_info(self, commit_id):
+        assert '/' not in commit_id
+        assert '.' not in commit_id
+        assert (self._by_commit / commit_id).exists()
+        out = subprocess.check_output(
+            ('git', 'show', '-s', '--pretty=format:%ai by %an'),
+            cwd=(self._by_commit / commit_id).as_posix(),
+        ).decode('utf8')
+        return out
 
 class DownloadsInfo:
     def __init__(self):
diff --git a/templates/pkg/core-system-conf b/templates/pkg/core-system-conf
@@ -5,21 +5,49 @@
 #+{{pkg_install_name("gnu-make")}}
 #+{{pkg_install_name("aat")}}
 #+{{pkg_install_name("fileset")}}
+#+{{pkg_install_name("rsync")}}
 #@git:{{submodule.current[name]}}:{{name}}
 
-: ${JOBS:=1}
-prefix={{versions}}/$pthbs_package
-pkgdir="$pthbs_destdir/$prefix"
-mkdir -p "$pkgdir/"
-cp -av '{{name}}' "$pkgdir/"
-# verify build
-{{make}} -C '{{name}}' clean
-{{make}} -C '{{name}}' all
-rm -rf '{{name}}/build'
-diff -ru '{{name}}/' "$pkgdir/{{name}}/"
+{% include "functions/vars" %}
+def_prefix
+def_dest
+linkdep() {
+	exe=$(realpath "$(which "$1")")
+	name=$(basename "$1")
+	if ! test -x "$exe"; then
+		printf 'Error: executable not found: %s\n' "$1"
+	fi
+	mkdir -p "$dest/deps/command"
+	ln -sf $exe "$dest/deps/command/$name"
+}
+
+cd '{{name}}'
+printf '%s\n' >config/etc/motd \
+	"Welcome to $(<./config/hostname)!"
+	'Current running configuration was generated from {{name}}:{{submodule.current[name]}}' \
+	'Last change on {{submodule.commit_info(submodule.current[name])}}'
+
+env 'pthbs_path_{{name}}'="$prefix" \
+	'pthbs_path_containers={{pkg_install_dir("containers.environment"}}' \
+	{{make}} all
+
+sort -u build/execfile | while IFS= read exename; do
+	linkdep "$exename"
+done
+
+mkdir "$dest/command"
+awk <./postinstall >./install-as-current-environment.postinstall '
+/@@current@@/ { print "current=/run/current"; next }
+/@@versions@@/ { print "versions='{{versions}}'"; next }
+1
+'
+pthbs-banginstall ./install-as-current-environment.postinstall "$dest/command"
+
+mkdir -p "$dest/config/"
+rsync -aAi ./config/ "$dest/config/"
+rsync -aAi ./out/ "$dest/config/"
 
 {% endblock -%}
 {% block rules %}
-$2 == "static" { link(r1($0)); next }
-$2 == "authorized_keys" { link($0); next }
+$2 == "config" { link($0); next }
 {% endblock -%}