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authorJunio C Hamano <gitster@pobox.com>2014-10-08 20:05:25 (GMT)
committerJunio C Hamano <gitster@pobox.com>2014-10-08 20:05:26 (GMT)
commitb2c45f5b961b3b5d894fb723d2031e8ff41cadf7 (patch)
treeae94ddbc40beb6c552d4c6907eff133831be930f /archive.c
parentfb06b5280ea05d75515fa780cf08d4ec9d6fe101 (diff)
parented22b4173bd8d6dbce6236480bd30a63dd54834e (diff)
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Merge branch 'nd/archive-pathspec'
"git archive" learned to filter what gets archived with pathspec. * nd/archive-pathspec: archive: support filtering paths with glob
Diffstat (limited to 'archive.c')
-rw-r--r--archive.c97
1 files changed, 94 insertions, 3 deletions
diff --git a/archive.c b/archive.c
index 952a659..94a9981 100644
--- a/archive.c
+++ b/archive.c
@@ -5,6 +5,7 @@
#include "archive.h"
#include "parse-options.h"
#include "unpack-trees.h"
+#include "dir.h"
static char const * const archive_usage[] = {
N_("git archive [options] <tree-ish> [<path>...]"),
@@ -98,9 +99,19 @@ static void setup_archive_check(struct git_attr_check *check)
check[1].attr = attr_export_subst;
}
+struct directory {
+ struct directory *up;
+ unsigned char sha1[20];
+ int baselen, len;
+ unsigned mode;
+ int stage;
+ char path[FLEX_ARRAY];
+};
+
struct archiver_context {
struct archiver_args *args;
write_archive_entry_fn_t write_entry;
+ struct directory *bottom;
};
static int write_archive_entry(const unsigned char *sha1, const char *base,
@@ -146,6 +157,65 @@ static int write_archive_entry(const unsigned char *sha1, const char *base,
return write_entry(args, sha1, path.buf, path.len, mode);
}
+static void queue_directory(const unsigned char *sha1,
+ const char *base, int baselen, const char *filename,
+ unsigned mode, int stage, struct archiver_context *c)
+{
+ struct directory *d;
+ d = xmallocz(sizeof(*d) + baselen + 1 + strlen(filename));
+ d->up = c->bottom;
+ d->baselen = baselen;
+ d->mode = mode;
+ d->stage = stage;
+ c->bottom = d;
+ d->len = sprintf(d->path, "%.*s%s/", baselen, base, filename);
+ hashcpy(d->sha1, sha1);
+}
+
+static int write_directory(struct archiver_context *c)
+{
+ struct directory *d = c->bottom;
+ int ret;
+
+ if (!d)
+ return 0;
+ c->bottom = d->up;
+ d->path[d->len - 1] = '\0'; /* no trailing slash */
+ ret =
+ write_directory(c) ||
+ write_archive_entry(d->sha1, d->path, d->baselen,
+ d->path + d->baselen, d->mode,
+ d->stage, c) != READ_TREE_RECURSIVE;
+ free(d);
+ return ret ? -1 : 0;
+}
+
+static int queue_or_write_archive_entry(const unsigned char *sha1,
+ const char *base, int baselen, const char *filename,
+ unsigned mode, int stage, void *context)
+{
+ struct archiver_context *c = context;
+
+ while (c->bottom &&
+ !(baselen >= c->bottom->len &&
+ !strncmp(base, c->bottom->path, c->bottom->len))) {
+ struct directory *next = c->bottom->up;
+ free(c->bottom);
+ c->bottom = next;
+ }
+
+ if (S_ISDIR(mode)) {
+ queue_directory(sha1, base, baselen, filename,
+ mode, stage, c);
+ return READ_TREE_RECURSIVE;
+ }
+
+ if (write_directory(c))
+ return -1;
+ return write_archive_entry(sha1, base, baselen, filename, mode,
+ stage, context);
+}
+
int write_archive_entries(struct archiver_args *args,
write_archive_entry_fn_t write_entry)
{
@@ -167,6 +237,7 @@ int write_archive_entries(struct archiver_args *args,
return err;
}
+ memset(&context, 0, sizeof(context));
context.args = args;
context.write_entry = write_entry;
@@ -187,9 +258,17 @@ int write_archive_entries(struct archiver_args *args,
}
err = read_tree_recursive(args->tree, "", 0, 0, &args->pathspec,
- write_archive_entry, &context);
+ args->pathspec.has_wildcard ?
+ queue_or_write_archive_entry :
+ write_archive_entry,
+ &context);
if (err == READ_TREE_RECURSIVE)
err = 0;
+ while (context.bottom) {
+ struct directory *next = context.bottom->up;
+ free(context.bottom);
+ context.bottom = next;
+ }
return err;
}
@@ -211,7 +290,16 @@ static int reject_entry(const unsigned char *sha1, const char *base,
int baselen, const char *filename, unsigned mode,
int stage, void *context)
{
- return -1;
+ int ret = -1;
+ if (S_ISDIR(mode)) {
+ struct strbuf sb = STRBUF_INIT;
+ strbuf_addstr(&sb, base);
+ strbuf_addstr(&sb, filename);
+ if (!match_pathspec(context, sb.buf, sb.len, 0, NULL, 1))
+ ret = READ_TREE_RECURSIVE;
+ strbuf_release(&sb);
+ }
+ return ret;
}
static int path_exists(struct tree *tree, const char *path)
@@ -221,7 +309,9 @@ static int path_exists(struct tree *tree, const char *path)
int ret;
parse_pathspec(&pathspec, 0, 0, "", paths);
- ret = read_tree_recursive(tree, "", 0, 0, &pathspec, reject_entry, NULL);
+ pathspec.recursive = 1;
+ ret = read_tree_recursive(tree, "", 0, 0, &pathspec,
+ reject_entry, &pathspec);
free_pathspec(&pathspec);
return ret != 0;
}
@@ -237,6 +327,7 @@ static void parse_pathspec_arg(const char **pathspec,
parse_pathspec(&ar_args->pathspec, 0,
PATHSPEC_PREFER_FULL,
"", pathspec);
+ ar_args->pathspec.recursive = 1;
if (pathspec) {
while (*pathspec) {
if (**pathspec && !path_exists(ar_args->tree, *pathspec))