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62 lines
2.7 KiB
62 lines
2.7 KiB
2 days ago
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From 36b71213e9f734fbf5ab3b032f61614c79737dac Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Thu, 19 Oct 2023 16:46:56 +0200
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Subject: [PATCH] test-recurse-dir: work around nftw() ignoring symlinks()
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We have a test where we compare the results from nftw() and our own
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resurce_dit_at(). nftw() skips a dangling symlink when running under mkosi and
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the test fails. I don't understand why nftw() does that, but in our code we
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don't need to test and care about the details of nftw(), which we don't use,
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outside of the one test, so let's just skip symlinks in the test.
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Closes #29603.
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(cherry picked from commit 974959e6f6352b76355b76ab550c0e729b2a8c21)
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Related: RHEL-27512
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---
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src/test/test-recurse-dir.c | 15 ++++++++-------
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1 file changed, 8 insertions(+), 7 deletions(-)
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diff --git a/src/test/test-recurse-dir.c b/src/test/test-recurse-dir.c
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index 2c2120b136..c194896a1b 100644
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--- a/src/test/test-recurse-dir.c
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+++ b/src/test/test-recurse-dir.c
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@@ -26,8 +26,7 @@ static int nftw_cb(
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break;
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case FTW_SL:
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- log_debug("ftw found symlink %s", fpath);
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- assert_se(strv_extendf(&list_nftw, "%s→", fpath) >= 0);
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+ log_debug("ftw found symlink %s, ignoring.", fpath);
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break;
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case FTW_D:
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@@ -71,11 +70,10 @@ static int recurse_dir_callback(
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case RECURSE_DIR_ENTRY:
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assert_se(!IN_SET(de->d_type, DT_UNKNOWN, DT_DIR));
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- log_debug("found %s", path);
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+ log_debug("found %s%s", path,
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+ de->d_type == DT_LNK ? ", ignoring." : "");
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- if (de->d_type == DT_LNK)
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- assert_se(strv_extendf(l, "%s→", path) >= 0);
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- else
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+ if (de->d_type != DT_LNK)
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assert_se(strv_extend(l, path) >= 0);
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break;
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@@ -131,7 +129,10 @@ int main(int argc, char *argv[]) {
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else
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p = "/usr/share/man"; /* something hopefully reasonably stable while we run (and limited in size) */
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- /* Enumerate the specified dirs in full, once via nftw(), and once via recurse_dir(), and ensure the results are identical */
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+ /* Enumerate the specified dirs in full, once via nftw(), and once via recurse_dir(), and ensure the
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+ * results are identical. nftw() sometimes skips symlinks (see
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+ * https://github.com/systemd/systemd/issues/29603), so ignore them to avoid bogus errors. */
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+
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t1 = now(CLOCK_MONOTONIC);
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r = recurse_dir_at(AT_FDCWD, p, 0, UINT_MAX, RECURSE_DIR_SORT|RECURSE_DIR_ENSURE_TYPE|RECURSE_DIR_SAME_MOUNT, recurse_dir_callback, &list_recurse_dir);
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t2 = now(CLOCK_MONOTONIC);
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