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config: add back code comment

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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>
This commit is contained in:
Kristoffer Haugsbakk 2024-01-28 19:31:40 +01:00 committed by Junio C Hamano
parent 74e12192e6
commit 1cb3b92fc6
1 changed files with 6 additions and 0 deletions
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6
builtin/config.c
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@ -710,6 +710,12 @@ int cmd_config(int argc, const char **argv, const char *prefix)
if (use_global_config) {
given_config_source.file = git_global_config();
if (!given_config_source.file)
/*
* It is unknown if HOME/.gitconfig exists, so
* we do not know if we should write to XDG
* location; error out even if XDG_CONFIG_HOME
* is set and points at a sane location.
*/
die(_("$HOME not set"));
given_config_source.scope = CONFIG_SCOPE_GLOBAL;
} else if (use_system_config) {