diff options
| author | Lennart Poettering <lennart@poettering.net> | 2014-06-13 19:45:52 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2014-06-13 20:11:59 +0200 |
| commit | 5ae4d543cb9b45ad6c6b82b78da1d6abc2291cdb (patch) | |
| tree | cf4d8817660f9a2a828c16ce42392703a5ccd690 /src/shared/path-util.c | |
| parent | b0284aba93e8ccd415da5bbee86d84c12b1b9856 (diff) | |
os-release: define /usr/lib/os-release as fallback for /etc/os-release
The file should have been in /usr/lib/ in the first place, since it
describes the OS container in /usr (and not the configuration in /etc),
hence, let's support os-release files in /usr/lib as fallback if no
version in /etc exists, following the usual override logic.
A prior commit already enabled tmpfiles to create /etc/os-release as a
symlink to /usr/lib/os-release should it be missing, thus providing nice
compatibility with applications only checking in /etc.
While it's probably a good idea if all apps check both locations via a
fallback logic, it is only necessary in the early boot process, as long
as the /etc/os-release symlink has not been restored, in case we boot
with an empty /etc.
Diffstat (limited to 'src/shared/path-util.c')
| -rw-r--r-- | src/shared/path-util.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/shared/path-util.c b/src/shared/path-util.c index 5863429c31..efe464d704 100644 --- a/src/shared/path-util.c +++ b/src/shared/path-util.c @@ -526,12 +526,18 @@ int path_is_os_tree(const char *path) { char *p; int r; - /* We use /etc/os-release as flag file if something is an OS */ + /* We use /usr/lib/os-release as flag file if something is an OS */ + p = strappenda(path, "/usr/lib/os-release"); + r = access(p, F_OK); + + if (r >= 0) + return 1; + /* Also check for the old location in /etc, just in case. */ p = strappenda(path, "/etc/os-release"); r = access(p, F_OK); - return r < 0 ? 0 : 1; + return r >= 0; } int find_binary(const char *name, char **filename) { |