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[PATCH] Port rev-tree to parsing functions
This ports rev-tree to use the parsing functions introduced in the previous patches. Signed-Off-By: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
parent
175785e5ff
commit
5873b67eef
4
Makefile
4
Makefile
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@ -52,8 +52,8 @@ checkout-cache: checkout-cache.o read-cache.o
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diff-tree: diff-tree.o read-cache.o
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diff-tree: diff-tree.o read-cache.o
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$(CC) $(CFLAGS) -o diff-tree diff-tree.o read-cache.o $(LIBS)
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$(CC) $(CFLAGS) -o diff-tree diff-tree.o read-cache.o $(LIBS)
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rev-tree: rev-tree.o read-cache.o
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rev-tree: rev-tree.o read-cache.o object.o commit.o tree.o blob.o
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$(CC) $(CFLAGS) -o rev-tree rev-tree.o read-cache.o $(LIBS)
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$(CC) $(CFLAGS) -o rev-tree rev-tree.o read-cache.o object.o commit.o tree.o blob.o $(LIBS)
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show-files: show-files.o read-cache.o
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show-files: show-files.o read-cache.o
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$(CC) $(CFLAGS) -o show-files show-files.o read-cache.o $(LIBS)
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$(CC) $(CFLAGS) -o show-files show-files.o read-cache.o $(LIBS)
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82
rev-tree.c
82
rev-tree.c
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@ -4,7 +4,7 @@
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#include <ctype.h>
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#include <ctype.h>
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#include "cache.h"
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#include "cache.h"
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#include "revision.h"
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#include "commit.h"
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/*
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/*
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* revision.h leaves the low 16 bits of the "flags" field of the
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* revision.h leaves the low 16 bits of the "flags" field of the
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@ -18,38 +18,7 @@ static int basemask = 0;
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static void read_cache_file(const char *path)
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static void read_cache_file(const char *path)
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{
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{
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FILE *file = fopen(path, "r");
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die("no revtree cache file yet");
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char line[500];
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if (!file)
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die("bad revtree cache file (%s)", path);
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while (fgets(line, sizeof(line), file)) {
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unsigned long date;
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unsigned char sha1[20];
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struct revision *rev;
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const char *buf;
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if (sscanf(line, "%lu", &date) != 1)
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break;
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buf = strchr(line, ' ');
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if (!buf)
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break;
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if (get_sha1_hex(buf+1, sha1))
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break;
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rev = lookup_rev(sha1);
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rev->flags |= SEEN;
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rev->date = date;
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/* parents? */
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while ((buf = strchr(buf+1, ' ')) != NULL) {
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unsigned char parent[20];
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if (get_sha1_hex(buf + 1, parent))
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break;
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add_relationship(rev, parent);
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}
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}
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fclose(file);
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}
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}
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/*
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/*
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@ -61,16 +30,16 @@ static void read_cache_file(const char *path)
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* And sometimes we're only interested in "edge" commits, ie
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* And sometimes we're only interested in "edge" commits, ie
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* places where the marking changes between parent and child.
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* places where the marking changes between parent and child.
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*/
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*/
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static int interesting(struct revision *rev)
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static int interesting(struct commit *rev)
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{
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{
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unsigned mask = marked(rev);
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unsigned mask = rev->object.flags;
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if (!mask)
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if (!mask)
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return 0;
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return 0;
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if (show_edges) {
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if (show_edges) {
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struct parent *p = rev->parent;
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struct commit_list *p = rev->parents;
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while (p) {
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while (p) {
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if (mask != marked(p->parent))
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if (mask != p->item->object.flags)
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return 1;
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return 1;
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p = p->next;
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p = p->next;
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}
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}
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@ -82,6 +51,19 @@ static int interesting(struct revision *rev)
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return 1;
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return 1;
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}
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}
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void process_commit(unsigned char *sha1)
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{
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struct commit_list *parents;
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struct commit *obj = lookup_commit(sha1);
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parse_commit(obj);
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parents = obj->parents;
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while (parents) {
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process_commit(parents->item->object.sha1);
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parents = parents->next;
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}
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}
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/*
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/*
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* Usage: rev-tree [--edges] [--cache <cache-file>] <commit-id> [<commit-id2>]
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* Usage: rev-tree [--edges] [--cache <cache-file>] <commit-id> [<commit-id2>]
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*
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*
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@ -119,7 +101,7 @@ int main(int argc, char **argv)
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}
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}
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if (nr >= MAX_COMMITS || get_sha1_hex(arg, sha1[nr]))
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if (nr >= MAX_COMMITS || get_sha1_hex(arg, sha1[nr]))
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usage("rev-tree [--edges] [--cache <cache-file>] <commit-id> [<commit-id>]");
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usage("rev-tree [--edges] [--cache <cache-file>] <commit-id> [<commit-id>]");
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parse_commit(sha1[nr]);
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process_commit(sha1[nr]);
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nr++;
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nr++;
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}
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}
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@ -127,22 +109,30 @@ int main(int argc, char **argv)
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* Now we have the maximal tree. Walk the different sha files back to the root.
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* Now we have the maximal tree. Walk the different sha files back to the root.
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*/
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*/
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for (i = 0; i < nr; i++)
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for (i = 0; i < nr; i++)
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mark_reachable(lookup_rev(sha1[i]), 1 << i);
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mark_reachable(&lookup_commit(sha1[i])->object, 1 << i);
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/*
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/*
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* Now print out the results..
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* Now print out the results..
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*/
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*/
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for (i = 0; i < nr_revs; i++) {
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for (i = 0; i < nr_objs; i++) {
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struct revision *rev = revs[i];
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struct object *obj = objs[i];
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struct parent *p;
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struct commit *commit;
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struct commit_list *p;
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if (!interesting(rev))
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if (obj->type != commit_type)
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continue;
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continue;
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printf("%lu %s:%d", rev->date, sha1_to_hex(rev->sha1), marked(rev));
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commit = (struct commit *) obj;
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p = rev->parent;
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if (!interesting(commit))
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continue;
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printf("%lu %s:%d", commit->date, sha1_to_hex(obj->sha1),
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obj->flags);
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p = commit->parents;
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while (p) {
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while (p) {
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printf(" %s:%d", sha1_to_hex(p->parent->sha1), marked(p->parent));
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printf(" %s:%d", sha1_to_hex(p->item->object.sha1),
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p->item->object.flags);
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p = p->next;
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p = p->next;
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}
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}
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printf("\n");
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printf("\n");
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