6ee4abe797
Remove resolved scriptlets Don't install tests Resolves: RHEL-46277,RHEL-46576,RHEL-46280
70 lines
3.4 KiB
Diff
70 lines
3.4 KiB
Diff
From c26e56d08f30a2946dfa1d03781c63bfa9f56c1d Mon Sep 17 00:00:00 2001
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From: Luca Boccassi <bluca@debian.org>
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Date: Fri, 7 Jun 2024 21:39:45 +0100
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Subject: [PATCH] install: allow removing symlinks even for units that are gone
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If a symlink is leftover, still allow cleaning it up via 'disable'. This
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happens when a unit is stopped and removed, but not disabled, and a reload
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has already happened. At that point, cleaning up the old symlinks becomes
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impossible through the APIs, and needs to be done manually. Always allow
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cleaning up symlinks, if they exist, by only erroring out if there is an
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OOM.
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Follow-up for f31f10a6207efc9ae9e0b1f73975b5b610914017
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(cherry picked from commit 5163c9b1e56293b1bb2803420613c5b374570892)
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---
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src/shared/install.c | 14 ++++++++++----
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test/units/TEST-26-SYSTEMCTL.sh | 6 ++++++
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2 files changed, 16 insertions(+), 4 deletions(-)
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diff --git a/src/shared/install.c b/src/shared/install.c
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index dd2bd5c948..c94b456c21 100644
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--- a/src/shared/install.c
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+++ b/src/shared/install.c
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@@ -2282,7 +2282,9 @@ static int install_context_mark_for_removal(
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else {
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log_debug_errno(r, "Unit %s not found, removing name.", i->name);
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r = install_changes_add(changes, n_changes, r, i->path ?: i->name, NULL);
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- if (r < 0)
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+ /* In case there's no unit, we still want to remove any leftover symlink, even if
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+ * the unit might have been removed already, hence treating ENOENT as non-fatal. */
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+ if (r != -ENOENT)
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return r;
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}
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} else if (r < 0) {
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@@ -2874,9 +2876,13 @@ static int do_unit_file_disable(
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r = install_info_add(&ctx, *name, NULL, lp->root_dir, /* auxiliary= */ false, &info);
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if (r >= 0)
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r = install_info_traverse(&ctx, lp, info, SEARCH_LOAD|SEARCH_FOLLOW_CONFIG_SYMLINKS, NULL);
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-
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- if (r < 0)
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- return install_changes_add(changes, n_changes, r, *name, NULL);
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+ if (r < 0) {
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+ r = install_changes_add(changes, n_changes, r, *name, NULL);
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+ /* In case there's no unit, we still want to remove any leftover symlink, even if
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+ * the unit might have been removed already, hence treating ENOENT as non-fatal. */
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+ if (r != -ENOENT)
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+ return r;
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+ }
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/* If we enable multiple units, some with install info and others without,
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* the "empty [Install] section" warning is not shown. Let's make the behavior
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diff --git a/test/units/TEST-26-SYSTEMCTL.sh b/test/units/TEST-26-SYSTEMCTL.sh
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index ae7a5d6eb6..1471f3fd9e 100755
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--- a/test/units/TEST-26-SYSTEMCTL.sh
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+++ b/test/units/TEST-26-SYSTEMCTL.sh
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@@ -343,6 +343,12 @@ systemctl cat "$UNIT_NAME"
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systemctl help "$UNIT_NAME"
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systemctl service-watchdogs
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systemctl service-watchdogs "$(systemctl service-watchdogs)"
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+# Ensure that the enablement symlinks can still be removed after the user is gone, to avoid having leftovers
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+systemctl enable "$UNIT_NAME"
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+systemctl stop "$UNIT_NAME"
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+rm -f "/usr/lib/systemd/system/$UNIT_NAME"
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+systemctl daemon-reload
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+systemctl disable "$UNIT_NAME"
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# show/set-environment
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# Make sure PATH is set
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