From 2454c962fbe82f23aac4a5d78a0c3b5ffaed83a0 Mon Sep 17 00:00:00 2001 From: Junio C Hamano Date: Mon, 6 Feb 2006 12:53:07 -0800 Subject: [PATCH] combine-diff: show mode changes as well. Signed-off-by: Junio C Hamano --- combine-diff.c | 42 +++++++++++++++++++++++++++++++----------- diff-files.c | 12 +++++++++--- diff.h | 9 ++++++++- 3 files changed, 48 insertions(+), 15 deletions(-) diff --git a/combine-diff.c b/combine-diff.c index 50db39b85..506c09599 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -28,15 +28,19 @@ static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr, continue; path = q->queue[i]->two->path; len = strlen(path); - - p = xmalloc(sizeof(*p) + len + 1 + num_parent * 20); - p->path = (char*) &(p->parent_sha1[num_parent][0]); + p = xmalloc(combine_diff_path_size(num_parent, len)); + p->path = (char*) &(p->parent[num_parent]); memcpy(p->path, path, len); p->path[len] = 0; p->len = len; p->next = NULL; + memset(p->parent, 0, + sizeof(p->parent[0]) * num_parent); + memcpy(p->sha1, q->queue[i]->two->sha1, 20); - memcpy(p->parent_sha1[n], q->queue[i]->one->sha1, 20); + p->mode = q->queue[i]->two->mode; + memcpy(p->parent[n].sha1, q->queue[i]->one->sha1, 20); + p->parent[n].mode = q->queue[i]->one->mode; *tail = p; tail = &p->next; } @@ -57,8 +61,9 @@ static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr, len = strlen(path); if (len == p->len && !memcmp(path, p->path, len)) { found = 1; - memcpy(p->parent_sha1[n], + memcpy(p->parent[n].sha1, q->queue[i]->one->sha1, 20); + p->parent[n].mode = q->queue[i]->one->mode; break; } } @@ -613,6 +618,7 @@ int show_combined_diff(struct combine_diff_path *elem, int num_parent, unsigned long size, cnt, lno; char *result, *cp, *ep; struct sline *sline; /* survived lines */ + int mode_differs = 0; int i, show_hunks, shown_header = 0; char ourtmp_buf[TMPPATHLEN]; char *ourtmp = ourtmp_buf; @@ -688,20 +694,22 @@ int show_combined_diff(struct combine_diff_path *elem, int num_parent, for (i = 0; i < num_parent; i++) { int j; for (j = 0; j < i; j++) { - if (!memcmp(elem->parent_sha1[i], - elem->parent_sha1[j], 20)) { + if (!memcmp(elem->parent[i].sha1, + elem->parent[j].sha1, 20)) { reuse_combine_diff(sline, cnt, i, j); break; } } if (i <= j) - combine_diff(elem->parent_sha1[i], ourtmp, sline, + combine_diff(elem->parent[i].sha1, ourtmp, sline, cnt, i, num_parent); + if (elem->parent[i].mode != elem->mode) + mode_differs = 1; } show_hunks = make_hunks(sline, cnt, num_parent, dense); - if (show_hunks) { + if (show_hunks || mode_differs) { const char *abb; char null_abb[DEFAULT_ABBREV + 1]; @@ -719,8 +727,10 @@ int show_combined_diff(struct combine_diff_path *elem, int num_parent, putchar('\n'); printf("index "); for (i = 0; i < num_parent; i++) { - if (memcmp(elem->parent_sha1[i], null_sha1, 20)) - abb = find_unique_abbrev(elem->parent_sha1[i], + if (elem->parent[i].mode != elem->mode) + mode_differs = 1; + if (memcmp(elem->parent[i].sha1, null_sha1, 20)) + abb = find_unique_abbrev(elem->parent[i].sha1, DEFAULT_ABBREV); else abb = null_abb; @@ -731,6 +741,16 @@ int show_combined_diff(struct combine_diff_path *elem, int num_parent, else abb = null_abb; printf("..%s\n", abb); + + if (mode_differs) { + printf("mode "); + for (i = 0; i < num_parent; i++) { + printf("%s%06o", i ? "," : "", + elem->parent[i].mode); + } + printf("..%06o\n", elem->mode); + } + /* if (show_hunks) perhaps */ dump_sline(sline, cnt, num_parent); } if (ourtmp == ourtmp_buf) diff --git a/diff-files.c b/diff-files.c index 4ba59f1a2..d24d11c28 100644 --- a/diff-files.c +++ b/diff-files.c @@ -119,7 +119,7 @@ int main(int argc, const char **argv) if (ce_stage(ce)) { struct { struct combine_diff_path p; - unsigned char fill[4][20]; + struct combine_diff_parent filler[5]; } combine; int num_compare_stages = 0; @@ -128,7 +128,10 @@ int main(int argc, const char **argv) combine.p.path = xmalloc(combine.p.len + 1); memcpy(combine.p.path, ce->name, combine.p.len); combine.p.path[combine.p.len] = 0; - memset(combine.p.sha1, 0, 100); + combine.p.mode = 0; + memset(combine.p.sha1, 0, 20); + memset(&combine.p.parent[0], 0, + sizeof(combine.filler)); while (i < entries) { struct cache_entry *nce = active_cache[i]; @@ -142,9 +145,12 @@ int main(int argc, const char **argv) */ stage = ce_stage(nce); if (2 <= stage) { + int mode = ntohl(nce->ce_mode); num_compare_stages++; - memcpy(combine.p.parent_sha1[stage-2], + memcpy(combine.p.parent[stage-2].sha1, nce->sha1, 20); + combine.p.parent[stage-2].mode = + DIFF_FILE_CANON_MODE(mode); } /* diff against the proper unmerged stage */ diff --git a/diff.h b/diff.h index ff41c5859..5c5e7fa91 100644 --- a/diff.h +++ b/diff.h @@ -63,9 +63,16 @@ struct combine_diff_path { struct combine_diff_path *next; int len; char *path; + unsigned int mode; unsigned char sha1[20]; - unsigned char parent_sha1[FLEX_ARRAY][20]; + struct combine_diff_parent { + unsigned int mode; + unsigned char sha1[20]; + } parent[FLEX_ARRAY]; }; +#define combine_diff_path_size(n, l) \ + (sizeof(struct combine_diff_path) + \ + sizeof(struct combine_diff_parent) * (n) + (l) + 1) int show_combined_diff(struct combine_diff_path *elem, int num_parent, int dense, const char *header); -- 2.26.2