sys-user.eclass: add a sys-user_getuid() function and use it two places.

diff --git a/eclass/sys-user.eclass b/eclass/sys-user.eclass
index 3f20c57cc54f3a64b7e981a80e77bde66efb93e0..95417c79a8516ec4f53031cfe6c442d43e3eb77f 100644 (file)
--- a/eclass/sys-user.eclass
+++ b/eclass/sys-user.eclass
@@ -73,6 +73,13 @@ sys-user_src_unpack() { :; }
 sys-user_src_compile() { :; }
 sys-user_src_test() { :; }
 
+sys-user_getuid() {
+       # Output the real UID of the given user, or the empty string if the
+       # user does not exist on the system.
+       local username="${1}"
+       echo $(id --real --user "${username}")
+}
+
 sys-user_next_uid() {
        local euid;
        for (( euid = 101; euid <= 999; euid++ )); do
@@ -109,7 +116,7 @@ sys-user_pkg_pretend() {
        # Finally, ensure that this username doesn't already exist with
        # another UID if its UID is supposedly important.
        if [[ -n $(egetent passwd "${SYS_USER_NAME}") ]]; then
-               local olduid=$(id --real --user "${SYS_USER_NAME}")
+               local olduid=$(sys-user_getuid "${SYS_USER_NAME}")
                if [[ "${SYS_USER_UID_IMPORTANT}" == "true" ]] && \
                           [[ "${SYS_USER_UID}" != "${olduid}" ]]; then
                        # The UID is important and specified, but there is already a
@@ -129,7 +136,7 @@ sys-user_src_configure() {
                # prevents us from incrementing the UID on a reinstall, and doing
                # so would break most packages that need a system user to exist.
                if [[ "${SYS_USER_UID_IMPORTANT}" != "true" ]]; then
-                       SYS_USER_UID=$(id --real --user "${SYS_USER_NAME}")
+                       SYS_USER_UID=$(sys-user_getuid "${SYS_USER_NAME}")
                fi
 
                if (( "${SYS_USER_HOME}" == -1 )); then