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quote_path: fix collapsing of relative paths

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The code tries to collapse identical leading components
between the prefix and the path. So if we're in "dir1", the
path "dir1/file" should become just "file". However, we were
ending up with "../dir1/file". The included test expected
the wrong output.

The "len" parameter to quote_path can be negative to mean
"this is a NUL terminated string".  Simply count it so that
the loop can rely on it being the length of the path.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2007-12-03 00:30:01 -05:00 committed by Junio C Hamano
parent 2f02b25f36
commit 69e7491835
2 changed files with 7 additions and 6 deletions
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2
t/t7502-status.sh
View file

@ -68,7 +68,7 @@ cat > expect << \EOF
# Changed but not updated:
# (use "git add <file>..." to update what will be committed)
#
# modified: ../dir1/modified
# modified: modified
#
# Untracked files:
# (use "git add <file>..." to include in what will be committed)

11
wt-status.c
View file

@ -82,12 +82,13 @@ static void wt_status_print_trailer(struct wt_status *s)
}
static char *quote_path(const char *in, int len,
struct strbuf *out, const char *prefix)
struct strbuf *out, const char *prefix)
{
if (len > 0)
strbuf_grow(out, len);
strbuf_setlen(out, 0);
if (len < 0)
len = strlen(in);
strbuf_grow(out, len);
strbuf_setlen(out, 0);
if (prefix) {
int off = 0;
while (prefix[off] && off < len && prefix[off] == in[off])
@ -104,7 +105,7 @@ static char *quote_path(const char *in, int len,
strbuf_addstr(out, "../");
}
for (; (len < 0 && *in) || len > 0; in++, len--) {
for ( ; len > 0; in++, len--) {
int ch = *in;
switch (ch) {