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apply: handle filenames with double slashes better

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When there are duplicated slashes in pathnames, like this:

	--- a/perl//Git.pm
	+++ b/perl//Git.pm
	@@ -1358,3 +1358,4 @@

	 1; # Famous last words
	+# test

the paths gleaned from the patch header won't be found in the index and
cause "apply --index" and "apply --cached" to fail.

Fix this by squashing the duplicated slashes upon input.

Signed-off-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michal Marek 2009-05-21 14:25:11 +02:00 committed by Junio C Hamano
parent 7a7eb5173d
commit 33eb4dd9fc
1 changed files with 20 additions and 6 deletions
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26
builtin-apply.c
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@ -320,6 +320,20 @@ static int name_terminate(const char *name, int namelen, int c, int terminate)
return 1;
}
/* remove double slashes to make --index work with such filenames */
static char *squash_slash(char *name)
{
int i = 0, j = 0;
while (name[i]) {
if ((name[j++] = name[i++]) == '/')
while (name[i] == '/')
i++;
}
name[j] = '\0';
return name;
}
static char *find_name(const char *line, char *def, int p_value, int terminate)
{
int len;
@ -349,7 +363,7 @@ static char *find_name(const char *line, char *def, int p_value, int terminate)
free(def);
if (root)
strbuf_insert(&name, 0, root, root_len);
return strbuf_detach(&name, NULL);
return squash_slash(strbuf_detach(&name, NULL));
}
}
strbuf_release(&name);
@ -369,10 +383,10 @@ static char *find_name(const char *line, char *def, int p_value, int terminate)
start = line;
}
if (!start)
return def;
return squash_slash(def);
len = line - start;
if (!len)
return def;
return squash_slash(def);
/*
* Generally we prefer the shorter name, especially
@ -383,7 +397,7 @@ static char *find_name(const char *line, char *def, int p_value, int terminate)
if (def) {
int deflen = strlen(def);
if (deflen < len && !strncmp(start, def, deflen))
return def;
return squash_slash(def);
free(def);
}
@ -392,10 +406,10 @@ static char *find_name(const char *line, char *def, int p_value, int terminate)
strcpy(ret, root);
memcpy(ret + root_len, start, len);
ret[root_len + len] = '\0';
return ret;
return squash_slash(ret);
}
return xmemdupz(start, len);
return squash_slash(xmemdupz(start, len));
}
static int count_slashes(const char *cp)