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git-apply: allow operating in sparsely populated working tree.

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This patch teaches 'git-apply --index' to automatically check
out a file being patched.  This happens only when the working
tree does not have it checked out.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2005-10-03 13:16:39 -07:00
parent 4b12dae69a
commit 56d33b1105
1 changed files with 30 additions and 5 deletions
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35
apply.c
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@ -676,7 +676,10 @@ static int parse_fragment(char *line, unsigned long size, struct patch *patch, s
/* We allow "\ No newline at end of file". Depending
* on locale settings when the patch was produced we
* don't know what this line looks like. The only
* thing we do know is that it begins with "\ ". */
* thing we do know is that it begins with "\ ".
* Checking for 12 is just for sanity check -- any
* l10n of "\ No newline..." is at least that long.
*/
case '\\':
if (len < 12 || memcmp(line, "\\ ", 2))
return -1;
@ -1030,17 +1033,39 @@ static int check_patch(struct patch *patch)
if (old_name) {
int changed;
int stat_ret = lstat(old_name, &st);
if (lstat(old_name, &st) < 0)
return error("%s: %s", old_name, strerror(errno));
if (check_index) {
int pos = cache_name_pos(old_name, strlen(old_name));
if (pos < 0)
return error("%s: does not exist in index", old_name);
return error("%s: does not exist in index",
old_name);
if (stat_ret < 0) {
struct checkout costate;
if (errno != ENOENT)
return error("%s: %s", old_name,
strerror(errno));
/* checkout */
costate.base_dir = "";
costate.base_dir_len = 0;
costate.force = 0;
costate.quiet = 0;
costate.not_new = 0;
costate.refresh_cache = 1;
if (checkout_entry(active_cache[pos],
&costate) ||
lstat(old_name, &st))
return -1;
}
changed = ce_match_stat(active_cache[pos], &st);
if (changed)
return error("%s: does not match index", old_name);
return error("%s: does not match index",
old_name);
}
else if (stat_ret < 0)
return error("%s: %s", old_name, strerror(errno));
if (patch->is_new < 0)
patch->is_new = 0;
st.st_mode = ntohl(create_ce_mode(st.st_mode));