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comm: make sure that our version check is reliable

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Rework the logic of the version check used in the
database migration, and make sure
that it is full functional to avoid confusion
at release time.

Changelog-Fixed: database: Correctly identity official release versions for database upgrade.

Reported-by: @urza
Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
This commit is contained in:
Vincenzo Palazzo
2023-01-06 15:09:55 +01:00
committed by Rusty Russell
parent 8d825ef0b7
commit 8f94e8b943
5 changed files with 41 additions and 8 deletions
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13
common/version.c
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@@ -3,6 +3,7 @@
#include <common/version.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* Only common/version.c can safely include this. */
# include "version_gen.h"
@@ -20,3 +21,15 @@ char *version_and_exit(const void *unused UNUSED)
}
exit(0);
}
static bool cmp_release_version(const char *version) {
if (version[0] != 'v')
return false;
return strspn(version+1, ".0123456789") == strlen(version+1);
}
/* Released versions are of form v[year].[month]?(.patch)* */
bool is_released_version(void)
{
return cmp_release_version(version());
}