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200 lines
7.1 KiB
200 lines
7.1 KiB
From caaea62c2c32e6aedb24288d5f51e6c35187e14c 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: Mon, 14 Mar 2022 12:09:31 +0100
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Subject: [PATCH] shared/install: split unit_file_{disable,enable}() so
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_reenable doesn't do setup twice
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It was pretty ugly that we were creating LookupPaths twice.
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(cherry picked from commit ec7eaff3c2abf3048f3fba98bfbe08a0c7c898b0)
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Related: #2082131
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---
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src/shared/install.c | 105 +++++++++++++++++++++++++++++--------------
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1 file changed, 72 insertions(+), 33 deletions(-)
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diff --git a/src/shared/install.c b/src/shared/install.c
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index fadd2be248..1018e4fbf3 100644
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--- a/src/shared/install.c
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+++ b/src/shared/install.c
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@@ -2596,33 +2596,21 @@ int unit_file_add_dependency(
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SEARCH_FOLLOW_CONFIG_SYMLINKS, changes, n_changes);
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}
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-int unit_file_enable(
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+static int do_unit_file_enable(
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+ const LookupPaths *lp,
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UnitFileScope scope,
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- UnitFileFlags file_flags,
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- const char *root_dir,
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+ UnitFileFlags flags,
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+ const char *config_path,
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char **files,
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UnitFileChange **changes,
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size_t *n_changes) {
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- _cleanup_(lookup_paths_free) LookupPaths lp = {};
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_cleanup_(install_context_done) InstallContext ctx = { .scope = scope };
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- const char *config_path;
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UnitFileInstallInfo *info;
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int r;
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- assert(scope >= 0);
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- assert(scope < _UNIT_FILE_SCOPE_MAX);
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-
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- r = lookup_paths_init_or_warn(&lp, scope, 0, root_dir);
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- if (r < 0)
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- return r;
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-
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- config_path = config_path_from_flags(&lp, file_flags);
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- if (!config_path)
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- return -ENXIO;
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-
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STRV_FOREACH(f, files) {
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- r = install_info_discover_and_check(&ctx, &lp, *f, SEARCH_LOAD|SEARCH_FOLLOW_CONFIG_SYMLINKS,
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+ r = install_info_discover_and_check(&ctx, lp, *f, SEARCH_LOAD|SEARCH_FOLLOW_CONFIG_SYMLINKS,
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&info, changes, n_changes);
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if (r < 0)
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return r;
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@@ -2635,11 +2623,11 @@ int unit_file_enable(
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is useful to determine whether the passed files had any
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installation data at all. */
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- return install_context_apply(&ctx, &lp, file_flags, config_path,
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+ return install_context_apply(&ctx, lp, flags, config_path,
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SEARCH_LOAD, changes, n_changes);
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}
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-int unit_file_disable(
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+int unit_file_enable(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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@@ -2648,9 +2636,6 @@ int unit_file_disable(
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size_t *n_changes) {
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_cleanup_(lookup_paths_free) LookupPaths lp = {};
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- _cleanup_(install_context_done) InstallContext ctx = { .scope = scope };
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- _cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
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- const char *config_path;
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int r;
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assert(scope >= 0);
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@@ -2660,27 +2645,44 @@ int unit_file_disable(
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if (r < 0)
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return r;
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- config_path = config_path_from_flags(&lp, flags);
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+ const char *config_path = config_path_from_flags(&lp, flags);
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if (!config_path)
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return -ENXIO;
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+ return do_unit_file_enable(&lp, scope, flags, config_path, files, changes, n_changes);
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+}
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+
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+static int do_unit_file_disable(
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+ const LookupPaths *lp,
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+ UnitFileScope scope,
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+ UnitFileFlags flags,
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+ const char *config_path,
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+ char **files,
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+ UnitFileChange **changes,
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+ size_t *n_changes) {
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+
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+ _cleanup_(install_context_done) InstallContext ctx = { .scope = scope };
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+ _cleanup_set_free_free_ Set *remove_symlinks_to = NULL;
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+ int r;
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+
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STRV_FOREACH(i, files) {
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if (!unit_name_is_valid(*i, UNIT_NAME_ANY))
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return -EINVAL;
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- r = install_info_add(&ctx, *i, NULL, lp.root_dir, /* auxiliary= */ false, NULL);
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+ r = install_info_add(&ctx, *i, NULL, lp->root_dir, /* auxiliary= */ false, NULL);
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if (r < 0)
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return r;
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}
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- r = install_context_mark_for_removal(&ctx, &lp, &remove_symlinks_to, config_path, changes, n_changes);
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+ r = install_context_mark_for_removal(&ctx, lp, &remove_symlinks_to, config_path, changes, n_changes);
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if (r < 0)
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return r;
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- return remove_marked_symlinks(remove_symlinks_to, config_path, &lp, flags & UNIT_FILE_DRY_RUN, changes, n_changes);
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+ return remove_marked_symlinks(remove_symlinks_to, config_path, lp, flags & UNIT_FILE_DRY_RUN, changes, n_changes);
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}
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-int unit_file_reenable(
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+
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+int unit_file_disable(
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UnitFileScope scope,
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UnitFileFlags flags,
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const char *root_dir,
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@@ -2688,23 +2690,60 @@ int unit_file_reenable(
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UnitFileChange **changes,
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size_t *n_changes) {
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- char **n;
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+ _cleanup_(lookup_paths_free) LookupPaths lp = {};
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int r;
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+
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+ assert(scope >= 0);
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+ assert(scope < _UNIT_FILE_SCOPE_MAX);
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+
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+ r = lookup_paths_init(&lp, scope, 0, root_dir);
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+ if (r < 0)
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+ return r;
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+
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+ const char *config_path = config_path_from_flags(&lp, flags);
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+ if (!config_path)
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+ return -ENXIO;
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+
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+ return do_unit_file_disable(&lp, scope, flags, config_path, files, changes, n_changes);
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+}
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+
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+int unit_file_reenable(
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+ UnitFileScope scope,
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+ UnitFileFlags flags,
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+ const char *root_dir,
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+ char **files,
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+ UnitFileChange **changes,
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+ size_t *n_changes) {
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+
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+ _cleanup_(lookup_paths_free) LookupPaths lp = {};
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size_t l, i;
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+ char **names;
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+ int r;
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+
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+ assert(scope >= 0);
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+ assert(scope < _UNIT_FILE_SCOPE_MAX);
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+
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+ r = lookup_paths_init(&lp, scope, 0, root_dir);
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+ if (r < 0)
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+ return r;
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+
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+ const char *config_path = config_path_from_flags(&lp, flags);
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+ if (!config_path)
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+ return -ENXIO;
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/* First, we invoke the disable command with only the basename... */
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l = strv_length(files);
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- n = newa(char*, l+1);
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+ names = newa(char*, l+1);
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for (i = 0; i < l; i++)
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- n[i] = basename(files[i]);
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- n[i] = NULL;
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+ names[i] = basename(files[i]);
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+ names[i] = NULL;
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- r = unit_file_disable(scope, flags, root_dir, n, changes, n_changes);
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+ r = do_unit_file_disable(&lp, scope, flags, config_path, names, changes, n_changes);
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if (r < 0)
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return r;
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/* But the enable command with the full name */
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- return unit_file_enable(scope, flags, root_dir, files, changes, n_changes);
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+ return do_unit_file_enable(&lp, scope, flags, config_path, files, changes, n_changes);
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}
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int unit_file_set_default(
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