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fetch: prefer suffix substitution in compact fetch.output 

I have a remote named "jch" and it has a branch with the same name. And
fetch.output is set to "compact". Fetching this remote looks like this

 From https://github.com/gitster/git
  + eb7fd39f6b...835363af2f jch                -> */jch  (forced update)
    6f11fd5edb..59b12ae96a  nd/config-move-to  -> jch/*
  * [new branch]            nd/diff-parseopt   -> jch/*
  * [new branch]            nd/the-index-final -> jch/*

Notice that the local side of branch jch starts with "*" instead of
ending with it like the rest. It's not exactly wrong. It just looks
weird.

This patch changes the find-and-replace code a bit to try finding prefix
first before falling back to strstr() which finds a substring from left
to right. Now we have something less OCD

 From https://github.com/gitster/git
  + eb7fd39f6b...835363af2f jch                -> jch/*  (forced update)
    6f11fd5edb..59b12ae96a  nd/config-move-to  -> jch/*
  * [new branch]            nd/diff-parseopt   -> jch/*
  * [new branch]            nd/the-index-final -> jch/*

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2019-01-25 16:51:22 +07:00 committed by Junio C Hamano
parent 0d0ac3826a
commit dc40b24df4
1 changed files with 6 additions and 2 deletions
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8
builtin/fetch.c
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@ -629,9 +629,14 @@ static int find_and_replace(struct strbuf *haystack,
const char *needle,
const char *placeholder)
{
const char *p = strstr(haystack->buf, needle);
const char *p = NULL;
int plen, nlen;
nlen = strlen(needle);
if (ends_with(haystack->buf, needle))
p = haystack->buf + haystack->len - nlen;
else
p = strstr(haystack->buf, needle);
if (!p)
return 0;
@ -639,7 +644,6 @@ static int find_and_replace(struct strbuf *haystack,
return 0;
plen = strlen(p);
nlen = strlen(needle);
if (plen > nlen && p[nlen] != '/')
return 0;