1 files changed, 16 insertions, 7 deletions
diff --git a/abs/extra/git/git.install b/abs/extra/git/git.install
index 064eda0..24bc5d7 100644
--- a/abs/extra/git/git.install
+++ b/abs/extra/git/git.install
@@ -1,12 +1,21 @@
+#!/bin/sh
+
 post_install() {
-  if ! getent group git >/dev/null; then
-    groupadd --system git 
-  fi
-  if ! getent passwd git >/dev/null; then
-    useradd --system -c 'git daemon user' -g git -d / -s /bin/bash git 
+  # make git-shell a valid shell
+  if ! grep -qe '^/usr/bin/git-shell$' etc/shells; then
+    echo '/usr/bin/git-shell' >> etc/shells
   fi
+
+  # make sure the user exists...
+  systemd-sysusers git.conf
+
+  # ... and change the shell. This is done only once in post-install
+  # function, so an administrative change is persistent.
+  chsh --shell /usr/bin/git-shell git > /dev/null
 }
 
-post_upgrade() {
-  post_install $1
+# do not modify user settings (shell) in post-upgrade function!
+
+post_remove() {
+  sed -i -r '/^\/usr\/bin\/git-shell$/d' etc/shells
 }