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diff --git a/tree-walk.c b/tree-walk.c
index 21028d08dd7d3947ecfef0c5b382d112fe4e026c..322becc3b4ad50b8e87fae8f6d5d38f7edc51f01 100644 (file)
--- a/tree-walk.c
+++ b/tree-walk.c
#include "cache.h"
#include "tree-walk.h"
#include "unpack-trees.h"
+#include "dir.h"
#include "tree.h"
static const char *get_mode(const char *str, unsigned int *modep)
@@ -456,10 +457,95 @@ int get_tree_entry(const unsigned char *tree_sha1, const char *name, unsigned ch
return retval;
}
+static int match_entry(const struct name_entry *entry, int pathlen,
+ const char *match, int matchlen,
+ int *never_interesting)
+{
+ int m = -1; /* signals that we haven't called strncmp() */
+
+ if (*never_interesting) {
+ /*
+ * We have not seen any match that sorts later
+ * than the current path.
+ */
+
+ /*
+ * Does match sort strictly earlier than path
+ * with their common parts?
+ */
+ m = strncmp(match, entry->path,
+ (matchlen < pathlen) ? matchlen : pathlen);
+ if (m < 0)
+ return 0;
+
+ /*
+ * If we come here even once, that means there is at
+ * least one pathspec that would sort equal to or
+ * later than the path we are currently looking at.
+ * In other words, if we have never reached this point
+ * after iterating all pathspecs, it means all
+ * pathspecs are either outside of base, or inside the
+ * base but sorts strictly earlier than the current
+ * one. In either case, they will never match the
+ * subsequent entries. In such a case, we initialized
+ * the variable to -1 and that is what will be
+ * returned, allowing the caller to terminate early.
+ */
+ *never_interesting = 0;
+ }
+
+ if (pathlen > matchlen)
+ return 0;
+
+ if (matchlen > pathlen) {
+ if (match[pathlen] != '/')
+ return 0;
+ if (!S_ISDIR(entry->mode))
+ return 0;
+ }
+
+ if (m == -1)
+ /*
+ * we cheated and did not do strncmp(), so we do
+ * that here.
+ */
+ m = strncmp(match, entry->path, pathlen);
+
+ /*
+ * If common part matched earlier then it is a hit,
+ * because we rejected the case where path is not a
+ * leading directory and is shorter than match.
+ */
+ if (!m)
+ return 1;
+
+ return 0;
+}
+
+static int match_dir_prefix(const char *base, int baselen,
+ const char *match, int matchlen)
+{
+ if (strncmp(base, match, matchlen))
+ return 0;
+
+ /*
+ * If the base is a subdirectory of a path which
+ * was specified, all of them are interesting.
+ */
+ if (!matchlen ||
+ base[matchlen] == '/' ||
+ match[matchlen - 1] == '/')
+ return 1;
+
+ /* Just a random prefix match */
+ return 0;
+}
+
/*
* Is a tree entry interesting given the pathspec we have?
*
- * Pre-condition: baselen == 0 || base[baselen-1] == '/'
+ * Pre-condition: either baselen == base_offset (i.e. empty path)
+ * or base[baselen-1] == '/' (i.e. with trailing slash).
*
* Return:
* - 2 for "yes, and all subsequent entries will be"
@@ -468,104 +554,87 @@ int get_tree_entry(const unsigned char *tree_sha1, const char *name, unsigned ch
* - negative for "no, and no subsequent entries will be either"
*/
int tree_entry_interesting(const struct name_entry *entry,
- const struct strbuf *base_buf,
+ struct strbuf *base, int base_offset,
const struct pathspec *ps)
{
int i;
- int pathlen, baselen = base_buf->len;
- int never_interesting = -1;
- const char *base = base_buf->buf;
-
- if (!ps || !ps->nr)
- return 2;
+ int pathlen, baselen = base->len - base_offset;
+ int never_interesting = ps->has_wildcard ? 0 : -1;
+
+ if (!ps->nr) {
+ if (!ps->recursive || ps->max_depth == -1)
+ return 2;
+ return !!within_depth(base->buf + base_offset, baselen,
+ !!S_ISDIR(entry->mode),
+ ps->max_depth);
+ }
pathlen = tree_entry_len(entry->path, entry->sha1);
- for (i = 0; i < ps->nr; i++) {
+ for (i = ps->nr - 1; i >= 0; i--) {
const struct pathspec_item *item = ps->items+i;
const char *match = item->match;
+ const char *base_str = base->buf + base_offset;
int matchlen = item->len;
- int m = -1; /* signals that we haven't called strncmp() */
if (baselen >= matchlen) {
/* If it doesn't match, move along... */
- if (strncmp(base, match, matchlen))
- continue;
+ if (!match_dir_prefix(base_str, baselen, match, matchlen))
+ goto match_wildcards;
- /*
- * If the base is a subdirectory of a path which
- * was specified, all of them are interesting.
- */
- if (!matchlen ||
- base[matchlen] == '/' ||
- match[matchlen - 1] == '/')
+ if (!ps->recursive || ps->max_depth == -1)
return 2;
- /* Just a random prefix match */
- continue;
+ return !!within_depth(base_str + matchlen + 1,
+ baselen - matchlen - 1,
+ !!S_ISDIR(entry->mode),
+ ps->max_depth);
}
/* Does the base match? */
- if (strncmp(base, match, baselen))
- continue;
-
- match += baselen;
- matchlen -= baselen;
-
- if (never_interesting) {
- /*
- * We have not seen any match that sorts later
- * than the current path.
- */
-
- /*
- * Does match sort strictly earlier than path
- * with their common parts?
- */
- m = strncmp(match, entry->path,
- (matchlen < pathlen) ? matchlen : pathlen);
- if (m < 0)
- continue;
+ if (!strncmp(base_str, match, baselen)) {
+ if (match_entry(entry, pathlen,
+ match + baselen, matchlen - baselen,
+ &never_interesting))
+ return 1;
+
+ if (ps->items[i].has_wildcard) {
+ if (!fnmatch(match + baselen, entry->path, 0))
+ return 1;
+
+ /*
+ * Match all directories. We'll try to
+ * match files later on.
+ */
+ if (ps->recursive && S_ISDIR(entry->mode))
+ return 1;
+ }
- /*
- * If we come here even once, that means there is at
- * least one pathspec that would sort equal to or
- * later than the path we are currently looking at.
- * In other words, if we have never reached this point
- * after iterating all pathspecs, it means all
- * pathspecs are either outside of base, or inside the
- * base but sorts strictly earlier than the current
- * one. In either case, they will never match the
- * subsequent entries. In such a case, we initialized
- * the variable to -1 and that is what will be
- * returned, allowing the caller to terminate early.
- */
- never_interesting = 0;
+ continue;
}
- if (pathlen > matchlen)
+match_wildcards:
+ if (!ps->items[i].has_wildcard)
continue;
- if (matchlen > pathlen) {
- if (match[pathlen] != '/')
- continue;
- if (!S_ISDIR(entry->mode))
- continue;
- }
+ /*
+ * Concatenate base and entry->path into one and do
+ * fnmatch() on it.
+ */
- if (m == -1)
- /*
- * we cheated and did not do strncmp(), so we do
- * that here.
- */
- m = strncmp(match, entry->path, pathlen);
+ strbuf_add(base, entry->path, pathlen);
+
+ if (!fnmatch(match, base->buf + base_offset, 0)) {
+ strbuf_setlen(base, base_offset + baselen);
+ return 1;
+ }
+ strbuf_setlen(base, base_offset + baselen);
/*
- * If common part matched earlier then it is a hit,
- * because we rejected the case where path is not a
- * leading directory and is shorter than match.
+ * Match all directories. We'll try to match files
+ * later on.
*/
- if (!m)
+ if (ps->recursive && S_ISDIR(entry->mode))
return 1;
}
return never_interesting; /* No matches */