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core/unit: append newline when writing drop ins

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unit_write_drop_in{,_private}{,_format} are all affected.

We already append a header to the file (and section markers), so those functions
can only be used to write a whole file at once. Including the newline at
the end feels natural.

After this commit newlines will be duplicated. They will be removed in
subsequent commit.

Also, rewrap the "autogenerated" header to fit within 80 columns.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2016-05-28 16:06:44 -04:00
parent 0053598f36
commit 2a9a6f8ac0
1 changed files with 6 additions and 4 deletions
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10
src/core/unit.c
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@ -3355,7 +3355,7 @@ static const char* unit_drop_in_dir(Unit *u, UnitSetPropertiesMode mode) {
int unit_write_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name, const char *data) {
_cleanup_free_ char *p = NULL, *q = NULL;
const char *dir, *prefixed;
const char *dir, *wrapped;
int r;
assert(u);
@ -3374,15 +3374,17 @@ int unit_write_drop_in(Unit *u, UnitSetPropertiesMode mode, const char *name, co
if (!dir)
return -EINVAL;
prefixed = strjoina("# This is a drop-in unit file extension, created via \"systemctl set-property\" or an equivalent operation. Do not edit.\n",
data);
wrapped = strjoina("# This is a drop-in unit file extension, created via \"systemctl set-property\"\n"
"or an equivalent operation. Do not edit.\n",
data,
"\n");
r = drop_in_file(dir, u->id, 50, name, &p, &q);
if (r < 0)
return r;
(void) mkdir_p(p, 0755);
r = write_string_file_atomic_label(q, prefixed);
r = write_string_file_atomic_label(q, wrapped);
if (r < 0)
return r;