config: add back code comment
c15129b699 (config: factor out global config file retrieval, 2024-01-18) was a refactor that moved some of the code in this function to `config.c`. However, in the process I managed to drop this code comment which explains `$HOME not set`. Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name> Acked-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Kristoffer Haugsbakk committed
Jan 28, 2024 at 19:31 UTC
1cb3b92fc6540007c62c300f33b501681dc4f897
1 file changed
+6
builtin/config.c
+6
@@ -710,6 +710,12 @@ int cmd_config(int argc, const char **argv, const char *prefix)
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if (use_global_config) {
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given_config_source.file = git_global_config();
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if (!given_config_source.file)
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+ /*
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+ * It is unknown if HOME/.gitconfig exists, so
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+ * we do not know if we should write to XDG
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+ * location; error out even if XDG_CONFIG_HOME
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+ * is set and points at a sane location.
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+ */
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die(_("$HOME not set"));
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given_config_source.scope = CONFIG_SCOPE_GLOBAL;
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} else if (use_system_config) {