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From 6dadf44d7062c38c3f4f782da3cd88114dceb959 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, 21 Apr 2014 19:17:40 -0400
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Subject: [PATCH] shared/install: do not prefix created symlink with root path
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Before: /var/tmp/inst1//etc/systemd/system/default.target -> /var/tmp/inst1//usr/lib/systemd/system/graphical.target
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After: /var/tmp/inst1/etc/systemd/system/default.target -> /usr/lib/systemd/system/graphical.target
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(cherry picked from commit 62b002337727093c21d020c730bd65971f7783a7)
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Related: #1111199
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---
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src/shared/install.c | 89 +++++++++++++++++++++++++---------------------------
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1 file changed, 43 insertions(+), 46 deletions(-)
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diff --git a/src/shared/install.c b/src/shared/install.c
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index 7dad66d..955a9bc 100644
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--- a/src/shared/install.c
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+++ b/src/shared/install.c
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@@ -1073,67 +1073,64 @@ static int unit_file_search(
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assert(info);
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assert(paths);
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- if (info->path)
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- return unit_file_load(c, info, info->path, allow_symlink);
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+ if (info->path) {
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+ char *full_path = NULL;
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+
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+ if (!isempty(root_dir))
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+ full_path = strappenda(root_dir, info->path);
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+
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+ return unit_file_load(c, info, full_path ?: info->path, allow_symlink);
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+ }
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assert(info->name);
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STRV_FOREACH(p, paths->unit_path) {
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- char *path = NULL;
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-
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- if (isempty(root_dir))
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- asprintf(&path, "%s/%s", *p, info->name);
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- else
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- asprintf(&path, "%s/%s/%s", root_dir, *p, info->name);
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+ _cleanup_free_ char *path = NULL, *full_path = NULL;
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+ path = strjoin(*p, "/", info->name, NULL);
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if (!path)
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return -ENOMEM;
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- r = unit_file_load(c, info, path, allow_symlink);
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+ if (!isempty(root_dir)) {
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+ full_path = strappend(root_dir, path);
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+ if (!full_path)
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+ return -ENOMEM;
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+ }
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- if (r >= 0)
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+ r = unit_file_load(c, info, full_path ?: path, allow_symlink);
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+ if (r >= 0) {
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info->path = path;
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- else {
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- if (r == -ENOENT && unit_name_is_instance(info->name)) {
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- /* Unit file doesn't exist, however instance enablement was requested.
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- * We will check if it is possible to load template unit file. */
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- char *template = NULL,
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- *template_path = NULL,
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- *template_dir = NULL;
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-
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- template = unit_name_template(info->name);
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- if (!template) {
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- free(path);
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- return -ENOMEM;
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- }
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+ path = NULL;
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+ } else if (r == -ENOENT && unit_name_is_instance(info->name)) {
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+ /* Unit file doesn't exist, however instance enablement was requested.
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+ * We will check if it is possible to load template unit file. */
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+ _cleanup_free_ char *template = NULL, *template_dir = NULL;
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+
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+ template = unit_name_template(info->name);
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+ if (!template)
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+ return -ENOMEM;
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- /* We will reuse path variable since we don't need it anymore. */
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- template_dir = path;
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- *(strrchr(path, '/') + 1) = '\0';
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+ /* We will reuse path variable since we don't need it anymore. */
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+ template_dir = path;
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+ *(strrchr(template_dir, '/') + 1) = '\0';
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- template_path = strjoin(template_dir, template, NULL);
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- if (!template_path) {
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- free(path);
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- free(template);
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- return -ENOMEM;
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- }
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+ path = strappend(template_dir, template);
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+ if (!path)
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+ return -ENOMEM;
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- /* Let's try to load template unit. */
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- r = unit_file_load(c, info, template_path, allow_symlink);
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- if (r >= 0) {
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- info->path = strdup(template_path);
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- if (!info->path) {
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- free(path);
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- free(template);
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- free(template_path);
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- return -ENOMEM;
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- }
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- }
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+ if (!isempty(root_dir)) {
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+ free(full_path);
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+ full_path = strappend(root_dir, path);
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+ if (!full_path)
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+ return -ENOMEM;
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+ }
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- free(template);
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- free(template_path);
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+ /* Let's try to load template unit. */
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+ r = unit_file_load(c, info, full_path ?: path, allow_symlink);
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+ if (r >= 0) {
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+ info->path = path;
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+ path = NULL;
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}
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- free(path);
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}
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if (r != -ENOENT && r != -ELOOP)
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