[GSoC][PATCH v2] refspec: clarify function naming and documentation
From: Meet Soni <hidden>
Date: 2025-02-15 08:45:47
Subsystem:
the rest · Maintainer:
Linus Torvalds
Rename `match_name_with_pattern()` to `match_refname_with_pattern()` to
better reflect its purpose and improve documentation comment clarity.
The previous function name and parameter names were inconsistent, making
it harder to understand their roles in refspec matching.
- Rename parameters:
- `key` -> `pattern` (globbing pattern to match)
- `name` -> `refname` (refname to check)
- `value` -> `replacement` (replacement mapping pattern)
Signed-off-by: Meet Soni <redacted>
---
changes in v2:
- updated parameter names as per review. Namely:
- `src_pattern` -> `pattern`
- `dst_pattern` -> `replacement`
- updated comment and commit message.
Range-diff against v1:
1: 8bd849b7c2 ! 1: aa47431720 refspec: clarify function naming and documentation
@@ Commit message
it harder to understand their roles in refspec matching.
- Rename parameters:
- - `key` -> `src_pattern` (source globbing pattern)
+ - `key` -> `pattern` (globbing pattern to match)
- `name` -> `refname` (refname to check)
- - `value` -> `dst_pattern` (destination mapping pattern)
+ - `value` -> `replacement` (replacement mapping pattern)
Signed-off-by: Meet Soni [off-list ref]
@@ refspec.c: void refspec_ref_prefixes(const struct refspec *rs,
-int match_name_with_pattern(const char *key, const char *name,
- const char *value, char **result)
-+int match_refname_with_pattern(const char *src_pattern, const char *refname,
-+ const char *dst_pattern, char **result)
++int match_refname_with_pattern(const char *pattern, const char *refname,
++ const char *replacement, char **result)
{
- const char *kstar = strchr(key, '*');
-+ const char *kstar = strchr(src_pattern, '*');
++ const char *kstar = strchr(pattern, '*');
size_t klen;
size_t ksuffixlen;
size_t namelen;
@@ refspec.c: void refspec_ref_prefixes(const struct refspec *rs,
if (!kstar)
- die(_("key '%s' of pattern had no '*'"), key);
- klen = kstar - key;
-+ die(_("source pattern '%s' has no '*'"), src_pattern);
-+ klen = kstar - src_pattern;
++ die(_("pattern '%s' has no '*'"), pattern);
++ klen = kstar - pattern;
ksuffixlen = strlen(kstar + 1);
- namelen = strlen(name);
- ret = !strncmp(name, key, klen) && namelen >= klen + ksuffixlen &&
- !memcmp(name + namelen - ksuffixlen, kstar + 1, ksuffixlen);
- if (ret && value) {
+ namelen = strlen(refname);
-+ ret = !strncmp(refname, src_pattern, klen) && namelen >= klen + ksuffixlen &&
++ ret = !strncmp(refname, pattern, klen) && namelen >= klen + ksuffixlen &&
+ !memcmp(refname + namelen - ksuffixlen, kstar + 1, ksuffixlen);
-+ if (ret && dst_pattern) {
++ if (ret && replacement) {
struct strbuf sb = STRBUF_INIT;
- const char *vstar = strchr(value, '*');
-+ const char *vstar = strchr(dst_pattern, '*');
++ const char *vstar = strchr(replacement, '*');
if (!vstar)
- die(_("value '%s' of pattern has no '*'"), value);
- strbuf_add(&sb, value, vstar - value);
- strbuf_add(&sb, name + klen, namelen - klen - ksuffixlen);
-+ die(_("destination pattern '%s' has no '*'"), dst_pattern);
-+ strbuf_add(&sb, dst_pattern, vstar - dst_pattern);
++ die(_("replacement '%s' has no '*'"), replacement);
++ strbuf_add(&sb, replacement, vstar - replacement);
+ strbuf_add(&sb, refname + klen, namelen - klen - ksuffixlen);
strbuf_addstr(&sb, vstar + 1);
*result = strbuf_detach(&sb, NULL);
@@ refspec.h: void refspec_ref_prefixes(const struct refspec *rs,
- * Checks whether a name matches a pattern and optionally generates a result.
- * Returns 1 if the name matches the pattern, 0 otherwise.
+ * Checks if a refname matches a globbing refspec pattern.
-+ * If dst_pattern is provided, computes the mapped destination refname.
-+ * Returns 1 if refname matches src_pattern, 0 otherwise.
++ * If replacement is provided, computes the corresponding mapped refname.
++ * Returns 1 if refname matches pattern, 0 otherwise.
*/
-int match_name_with_pattern(const char *key, const char *name,
- const char *value, char **result);
-+int match_refname_with_pattern(const char *src_pattern, const char *refname,
-+ const char *dst_pattern, char **result);
++int match_refname_with_pattern(const char *pattern, const char *refname,
++ const char *replacement, char **result);
/*
* Queries a refspec for a match and updates the query item.
refspec.c | 34 +++++++++++++++++-----------------
refspec.h | 9 +++++----
remote.c | 6 +++---
3 files changed, 25 insertions(+), 24 deletions(-)
diff --git a/refspec.c b/refspec.c
index 3d6cf4dc92..4cb80b5208 100644
--- a/refspec.c
+++ b/refspec.c@@ -269,28 +269,28 @@ void refspec_ref_prefixes(const struct refspec *rs, } } -int match_name_with_pattern(const char *key, const char *name, - const char *value, char **result) +int match_refname_with_pattern(const char *pattern, const char *refname, + const char *replacement, char **result) { - const char *kstar = strchr(key, '*'); + const char *kstar = strchr(pattern, '*'); size_t klen; size_t ksuffixlen; size_t namelen; int ret; if (!kstar) - die(_("key '%s' of pattern had no '*'"), key); - klen = kstar - key; + die(_("pattern '%s' has no '*'"), pattern); + klen = kstar - pattern; ksuffixlen = strlen(kstar + 1); - namelen = strlen(name); - ret = !strncmp(name, key, klen) && namelen >= klen + ksuffixlen && - !memcmp(name + namelen - ksuffixlen, kstar + 1, ksuffixlen); - if (ret && value) { + namelen = strlen(refname); + ret = !strncmp(refname, pattern, klen) && namelen >= klen + ksuffixlen && + !memcmp(refname + namelen - ksuffixlen, kstar + 1, ksuffixlen); + if (ret && replacement) { struct strbuf sb = STRBUF_INIT; - const char *vstar = strchr(value, '*'); + const char *vstar = strchr(replacement, '*'); if (!vstar) - die(_("value '%s' of pattern has no '*'"), value); - strbuf_add(&sb, value, vstar - value); - strbuf_add(&sb, name + klen, namelen - klen - ksuffixlen); + die(_("replacement '%s' has no '*'"), replacement); + strbuf_add(&sb, replacement, vstar - replacement); + strbuf_add(&sb, refname + klen, namelen - klen - ksuffixlen); strbuf_addstr(&sb, vstar + 1); *result = strbuf_detach(&sb, NULL); }
@@ -301,7 +301,7 @@ static int refspec_match(const struct refspec_item *refspec, const char *name) { if (refspec->pattern) - return match_name_with_pattern(refspec->src, name, NULL, NULL); + return match_refname_with_pattern(refspec->src, name, NULL, NULL); return !strcmp(refspec->src, name); }
@@ -352,7 +352,7 @@ static int refspec_find_negative_match(struct refspec *rs, struct refspec_item * const char *key = refspec->dst ? refspec->dst : refspec->src; const char *value = refspec->src; - if (match_name_with_pattern(key, needle, value, &expn_name)) + if (match_refname_with_pattern(key, needle, value, &expn_name)) string_list_append_nodup(&reversed, expn_name); } else if (refspec->matching) { /* For the special matching refspec, any query should match */
@@ -397,7 +397,7 @@ void refspec_find_all_matches(struct refspec *rs, if (!refspec->dst || refspec->negative) continue; if (refspec->pattern) { - if (match_name_with_pattern(key, needle, value, result)) + if (match_refname_with_pattern(key, needle, value, result)) string_list_append_nodup(results, *result); } else if (!strcmp(needle, key)) { string_list_append(results, value);
@@ -426,7 +426,7 @@ int refspec_find_match(struct refspec *rs, struct refspec_item *query) if (!refspec->dst || refspec->negative) continue; if (refspec->pattern) { - if (match_name_with_pattern(key, needle, value, result)) { + if (match_refname_with_pattern(key, needle, value, result)) { query->force = refspec->force; return 0; }
diff --git a/refspec.h b/refspec.h
index f62f83a7ee..e2b5cc54ef 100644
--- a/refspec.h
+++ b/refspec.h@@ -75,11 +75,12 @@ void refspec_ref_prefixes(const struct refspec *rs, int refname_matches_negative_refspec_item(const char *refname, struct refspec *rs); /* - * Checks whether a name matches a pattern and optionally generates a result. - * Returns 1 if the name matches the pattern, 0 otherwise. + * Checks if a refname matches a globbing refspec pattern. + * If replacement is provided, computes the corresponding mapped refname. + * Returns 1 if refname matches pattern, 0 otherwise. */ -int match_name_with_pattern(const char *key, const char *name, - const char *value, char **result); +int match_refname_with_pattern(const char *pattern, const char *refname, + const char *replacement, char **result); /* * Queries a refspec for a match and updates the query item.
diff --git a/remote.c b/remote.c
index 5574b6a00f..5d3d1773dc 100644
--- a/remote.c
+++ b/remote.c@@ -1322,9 +1322,9 @@ static char *get_ref_match(const struct refspec *rs, const struct ref *ref, const char *dst_side = item->dst ? item->dst : item->src; int match; if (direction == FROM_SRC) - match = match_name_with_pattern(item->src, ref->name, dst_side, &name); + match = match_refname_with_pattern(item->src, ref->name, dst_side, &name); else - match = match_name_with_pattern(dst_side, ref->name, item->src, &name); + match = match_refname_with_pattern(dst_side, ref->name, item->src, &name); if (match) { matching_refs = i; break;
@@ -1942,7 +1942,7 @@ static struct ref *get_expanded_map(const struct ref *remote_refs, if (strchr(ref->name, '^')) continue; /* a dereference item */ - if (match_name_with_pattern(refspec->src, ref->name, + if (match_refname_with_pattern(refspec->src, ref->name, refspec->dst, &expn_name) && !ignore_symref_update(expn_name, &scratch)) { struct ref *cpy = copy_ref(ref);
--
2.34.1