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setup: translate symlinks in filename when using absolute paths

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otherwise, comparison to validate against work tree will fail when
the path includes a symlink and the name passed is not canonical.

Signed-off-by: Carlo Marcelo Arenas Belon <carenas@sajinet.com.pe>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Carlo Marcelo Arenas Belon 2010-12-27 02:54:37 -08:00 committed by Junio C Hamano
parent 0ed7481347
commit 18e051a398
1 changed files with 7 additions and 4 deletions
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11
setup.c
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@ -7,10 +7,13 @@ static int inside_work_tree = -1;
const char *prefix_path(const char *prefix, int len, const char *path)
{
const char *orig = path;
char *sanitized = xmalloc(len + strlen(path) + 1);
if (is_absolute_path(orig))
strcpy(sanitized, path);
else {
char *sanitized;
if (is_absolute_path(orig)) {
const char *temp = make_absolute_path(path);
sanitized = xmalloc(len + strlen(temp) + 1);
strcpy(sanitized, temp);
} else {
sanitized = xmalloc(len + strlen(path) + 1);
if (len)
memcpy(sanitized, prefix, len);
strcpy(sanitized + len, path);