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core: introduce specifiers for /tmp and /var/tmp

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This corresponds nicely with the specifiers we already pass for
/var/lib, /var/cache, /run and so on.

This is particular useful to update the test-path service files to
operate without guessable files, thus allowing multiple parallel
test-path invocations to pass without issues (the idea is to set $TMPDIR
early on in the test to some private directory, and then only use the
new %T or %V specifier to refer to it).
This commit is contained in:
Lennart Poettering
2018-05-29 11:39:15 +02:00
parent 709f4c472c
commit b294e5943f
8 changed files with 73 additions and 3 deletions
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src/shared/specifier.h
+3
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@@ -31,6 +31,9 @@ int specifier_user_id(char specifier, void *data, void *userdata, char **ret);
int specifier_user_home(char specifier, void *data, void *userdata, char **ret);
int specifier_user_shell(char specifier, void *data, void *userdata, char **ret);
int specifier_tmp_dir(char specifier, void *data, void *userdata, char **ret);
int specifier_var_tmp_dir(char specifier, void *data, void *userdata, char **ret);
static inline char* specifier_escape(const char *string) {
return strreplace(string, "%", "%%");
}