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mingw: initialize HOME on startup

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HOME initialization was historically duplicated in many different places,
including /etc/profile, launch scripts such as git-bash.vbs and gitk.cmd,
and (although slightly broken) in the git-wrapper.

Even unrelated projects such as GitExtensions and TortoiseGit need to
implement the same logic to be able to call git directly.

Initialize HOME in git's own startup code so that we can eventually retire
all the duplicate initialization code.

Signed-off-by: Karsten Blees <blees@dcon.de>
This commit is contained in:
Karsten Blees
2015-04-06 21:37:18 +02:00
committed by Johannes Schindelin
parent 03293128f9
commit c71db60fb0
1 changed files with 24 additions and 0 deletions
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24
compat/mingw.c
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@@ -2381,6 +2381,30 @@ static void setup_windows_environment(void)
/* simulate TERM to enable auto-color (see color.c) */
if (!getenv("TERM"))
setenv("TERM", "cygwin", 1);
/* calculate HOME if not set */
if (!getenv("HOME")) {
/*
* try $HOMEDRIVE$HOMEPATH - the home share may be a network
* location, thus also check if the path exists (i.e. is not
* disconnected)
*/
if ((tmp = getenv("HOMEDRIVE"))) {
struct strbuf buf = STRBUF_INIT;
strbuf_addstr(&buf, tmp);
if ((tmp = getenv("HOMEPATH"))) {
strbuf_addstr(&buf, tmp);
if (is_directory(buf.buf))
setenv("HOME", buf.buf, 1);
else
tmp = NULL; /* use $USERPROFILE */
}
strbuf_release(&buf);
}
/* use $USERPROFILE if the home share is not available */
if (!tmp && (tmp = getenv("USERPROFILE")))
setenv("HOME", tmp, 1);
}
}
int handle_long_path(wchar_t *path, int len, int max_path, int expand)