diff: convert struct combine_diff_path to object_id

Also, convert a constant to GIT_SHA1_HEXSZ.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/combine-diff.c b/combine-diff.c
index 91edce58e15b82428fcc5f3b006e23bf5380d38c..8eb7278978ddaadc605787eb4139d688a01fb052 100644 (file)
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -44,9 +44,9 @@ static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr,
                        memset(p->parent, 0,
                               sizeof(p->parent[0]) * num_parent);
 
-                       hashcpy(p->sha1, q->queue[i]->two->sha1);
+                       hashcpy(p->oid.hash, q->queue[i]->two->sha1);
                        p->mode = q->queue[i]->two->mode;
-                       hashcpy(p->parent[n].sha1, q->queue[i]->one->sha1);
+                       hashcpy(p->parent[n].oid.hash, q->queue[i]->one->sha1);
                        p->parent[n].mode = q->queue[i]->one->mode;
                        p->parent[n].status = q->queue[i]->status;
                        *tail = p;
@@ -77,7 +77,7 @@ static struct combine_diff_path *intersect_paths(struct combine_diff_path *curr,
                        continue;
                }
 
-               hashcpy(p->parent[n].sha1, q->queue[i]->one->sha1);
+               hashcpy(p->parent[n].oid.hash, q->queue[i]->one->sha1);
                p->parent[n].mode = q->queue[i]->one->mode;
                p->parent[n].status = q->queue[i]->status;
 
@@ -284,7 +284,7 @@ static struct lline *coalesce_lines(struct lline *base, int *lenbase,
        return base;
 }
 
-static char *grab_blob(const unsigned char *sha1, unsigned int mode,
+static char *grab_blob(const struct object_id *oid, unsigned int mode,
                       unsigned long *size, struct userdiff_driver *textconv,
                       const char *path)
 {
@@ -294,20 +294,20 @@ static char *grab_blob(const unsigned char *sha1, unsigned int mode,
        if (S_ISGITLINK(mode)) {
                blob = xmalloc(100);
                *size = snprintf(blob, 100,
-                                "Subproject commit %s\n", sha1_to_hex(sha1));
-       } else if (is_null_sha1(sha1)) {
+                                "Subproject commit %s\n", oid_to_hex(oid));
+       } else if (is_null_oid(oid)) {
                /* deleted blob */
                *size = 0;
                return xcalloc(1, 1);
        } else if (textconv) {
                struct diff_filespec *df = alloc_filespec(path);
-               fill_filespec(df, sha1, 1, mode);
+               fill_filespec(df, oid->hash, 1, mode);
                *size = fill_textconv(textconv, df, &blob);
                free_filespec(df);
        } else {
-               blob = read_sha1_file(sha1, &type, size);
+               blob = read_sha1_file(oid->hash, &type, size);
                if (type != OBJ_BLOB)
-                       die("object '%s' is not a blob!", sha1_to_hex(sha1));
+                       die("object '%s' is not a blob!", oid_to_hex(oid));
        }
        return blob;
 }
@@ -389,7 +389,7 @@ static void consume_line(void *state_, char *line, unsigned long len)
        }
 }
 
-static void combine_diff(const unsigned char *parent, unsigned int mode,
+static void combine_diff(const struct object_id *parent, unsigned int mode,
                         mmfile_t *result_file,
                         struct sline *sline, unsigned int cnt, int n,
                         int num_parent, int result_deleted,
@@ -897,7 +897,7 @@ static void show_combined_header(struct combine_diff_path *elem,
                                 int show_file_header)
 {
        struct diff_options *opt = &rev->diffopt;
-       int abbrev = DIFF_OPT_TST(opt, FULL_INDEX) ? 40 : DEFAULT_ABBREV;
+       int abbrev = DIFF_OPT_TST(opt, FULL_INDEX) ? GIT_SHA1_HEXSZ : DEFAULT_ABBREV;
        const char *a_prefix = opt->a_prefix ? opt->a_prefix : "a/";
        const char *b_prefix = opt->b_prefix ? opt->b_prefix : "b/";
        const char *c_meta = diff_get_color_opt(opt, DIFF_METAINFO);
@@ -914,11 +914,11 @@ static void show_combined_header(struct combine_diff_path *elem,
                         "", elem->path, line_prefix, c_meta, c_reset);
        printf("%s%sindex ", line_prefix, c_meta);
        for (i = 0; i < num_parent; i++) {
-               abb = find_unique_abbrev(elem->parent[i].sha1,
+               abb = find_unique_abbrev(elem->parent[i].oid.hash,
                                         abbrev);
                printf("%s%s", i ? "," : "", abb);
        }
-       abb = find_unique_abbrev(elem->sha1, abbrev);
+       abb = find_unique_abbrev(elem->oid.hash, abbrev);
        printf("..%s%s\n", abb, c_reset);
 
        if (mode_differs) {
@@ -991,7 +991,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
 
        /* Read the result of merge first */
        if (!working_tree_file)
-               result = grab_blob(elem->sha1, elem->mode, &result_size,
+               result = grab_blob(&elem->oid, elem->mode, &result_size,
                                   textconv, elem->path);
        else {
                /* Used by diff-tree to read from the working tree */
@@ -1013,12 +1013,12 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
                        result = strbuf_detach(&buf, NULL);
                        elem->mode = canon_mode(st.st_mode);
                } else if (S_ISDIR(st.st_mode)) {
-                       unsigned char sha1[20];
-                       if (resolve_gitlink_ref(elem->path, "HEAD", sha1) < 0)
-                               result = grab_blob(elem->sha1, elem->mode,
+                       struct object_id oid;
+                       if (resolve_gitlink_ref(elem->path, "HEAD", oid.hash) < 0)
+                               result = grab_blob(&elem->oid, elem->mode,
                                                   &result_size, NULL, NULL);
                        else
-                               result = grab_blob(sha1, elem->mode,
+                               result = grab_blob(&oid, elem->mode,
                                                   &result_size, NULL, NULL);
                } else if (textconv) {
                        struct diff_filespec *df = alloc_filespec(elem->path);
@@ -1090,7 +1090,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
                for (i = 0; !is_binary && i < num_parent; i++) {
                        char *buf;
                        unsigned long size;
-                       buf = grab_blob(elem->parent[i].sha1,
+                       buf = grab_blob(&elem->parent[i].oid,
                                        elem->parent[i].mode,
                                        &size, NULL, NULL);
                        if (buffer_is_binary(buf, size))
@@ -1139,14 +1139,14 @@ static void show_patch_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 (!hashcmp(elem->parent[i].sha1,
-                                    elem->parent[j].sha1)) {
+                       if (!oidcmp(&elem->parent[i].oid,
+                                    &elem->parent[j].oid)) {
                                reuse_combine_diff(sline, cnt, i, j);
                                break;
                        }
                }
                if (i <= j)
-                       combine_diff(elem->parent[i].sha1,
+                       combine_diff(&elem->parent[i].oid,
                                     elem->parent[i].mode,
                                     &result_file, sline,
                                     cnt, i, num_parent, result_deleted,
@@ -1206,9 +1206,9 @@ static void show_raw_diff(struct combine_diff_path *p, int num_parent, struct re
 
                /* Show sha1's */
                for (i = 0; i < num_parent; i++)
-                       printf(" %s", diff_unique_abbrev(p->parent[i].sha1,
+                       printf(" %s", diff_unique_abbrev(p->parent[i].oid.hash,
                                                         opt->abbrev));
-               printf(" %s ", diff_unique_abbrev(p->sha1, opt->abbrev));
+               printf(" %s ", diff_unique_abbrev(p->oid.hash, opt->abbrev));
        }
 
        if (opt->output_format & (DIFF_FORMAT_RAW | DIFF_FORMAT_NAME_STATUS)) {
@@ -1271,16 +1271,16 @@ static struct diff_filepair *combined_pair(struct combine_diff_path *p,
        for (i = 0; i < num_parent; i++) {
                pair->one[i].path = p->path;
                pair->one[i].mode = p->parent[i].mode;
-               hashcpy(pair->one[i].sha1, p->parent[i].sha1);
-               pair->one[i].sha1_valid = !is_null_sha1(p->parent[i].sha1);
+               hashcpy(pair->one[i].sha1, p->parent[i].oid.hash);
+               pair->one[i].sha1_valid = !is_null_oid(&p->parent[i].oid);
                pair->one[i].has_more_entries = 1;
        }
        pair->one[num_parent - 1].has_more_entries = 0;
 
        pair->two->path = p->path;
        pair->two->mode = p->mode;
-       hashcpy(pair->two->sha1, p->sha1);
-       pair->two->sha1_valid = !is_null_sha1(p->sha1);
+       hashcpy(pair->two->sha1, p->oid.hash);
+       pair->two->sha1_valid = !is_null_oid(&p->oid);
        return pair;
 }
 

diff --git a/diff-lib.c b/diff-lib.c
index 875aff864391ed037627462ac39c314f248b5ae6..470dc7851fc031630254b6e3a857c73cdf520dc1 100644 (file)
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -124,7 +124,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
                        dpath->next = NULL;
                        memcpy(dpath->path, ce->name, path_len);
                        dpath->path[path_len] = '\0';
-                       hashclr(dpath->sha1);
+                       oidclr(&dpath->oid);
                        memset(&(dpath->parent[0]), 0,
                               sizeof(struct combine_diff_parent)*5);
 
@@ -154,7 +154,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
                                if (2 <= stage) {
                                        int mode = nce->ce_mode;
                                        num_compare_stages++;
-                                       hashcpy(dpath->parent[stage-2].sha1, nce->sha1);
+                                       hashcpy(dpath->parent[stage-2].oid.hash, nce->sha1);
                                        dpath->parent[stage-2].mode = ce_mode_from_stat(nce, mode);
                                        dpath->parent[stage-2].status =
                                                DIFF_STATUS_MODIFIED;
@@ -335,14 +335,14 @@ static int show_modified(struct rev_info *revs,
                memcpy(p->path, new->name, pathlen);
                p->path[pathlen] = 0;
                p->mode = mode;
-               hashclr(p->sha1);
+               oidclr(&p->oid);
                memset(p->parent, 0, 2 * sizeof(struct combine_diff_parent));
                p->parent[0].status = DIFF_STATUS_MODIFIED;
                p->parent[0].mode = new->ce_mode;
-               hashcpy(p->parent[0].sha1, new->sha1);
+               hashcpy(p->parent[0].oid.hash, new->sha1);
                p->parent[1].status = DIFF_STATUS_MODIFIED;
                p->parent[1].mode = old->ce_mode;
-               hashcpy(p->parent[1].sha1, old->sha1);
+               hashcpy(p->parent[1].oid.hash, old->sha1);
                show_combined_diff(p, 2, revs->dense_combined_merges, revs);
                free(p);
                return 0;

diff --git a/diff.h b/diff.h
index b4a624d235748bf13be44e7479f086880dcf574f..f6fdf49e14b7c0e2997e7516275013555555e908 100644 (file)
--- a/diff.h
+++ b/diff.h
@@ -6,6 +6,7 @@
 
 #include "tree-walk.h"
 #include "pathspec.h"
+#include "object.h"
 
 struct rev_info;
 struct diff_options;
@@ -207,11 +208,11 @@ struct combine_diff_path {
        struct combine_diff_path *next;
        char *path;
        unsigned int mode;
-       unsigned char sha1[20];
+       struct object_id oid;
        struct combine_diff_parent {
                char status;
                unsigned int mode;
-               unsigned char sha1[20];
+               struct object_id oid;
        } parent[FLEX_ARRAY];
 };
 #define combine_diff_path_size(n, l) \

diff --git a/tree-diff.c b/tree-diff.c
index e7b378c8b2c8f145519410bb17811bf60eb29384..290a1da4ce5c3504dd75e584030a4a00fbdbe9a2 100644 (file)
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -64,7 +64,7 @@ static int emit_diff_first_parent_only(struct diff_options *opt, struct combine_
 {
        struct combine_diff_parent *p0 = &p->parent[0];
        if (p->mode && p0->mode) {
-               opt->change(opt, p0->mode, p->mode, p0->sha1, p->sha1,
+               opt->change(opt, p0->mode, p->mode, p0->oid.hash, p->oid.hash,
                        1, 1, p->path, 0, 0);
        }
        else {
@@ -74,11 +74,11 @@ static int emit_diff_first_parent_only(struct diff_options *opt, struct combine_
 
                if (p->mode) {
                        addremove = '+';
-                       sha1 = p->sha1;
+                       sha1 = p->oid.hash;
                        mode = p->mode;
                } else {
                        addremove = '-';
-                       sha1 = p0->sha1;
+                       sha1 = p0->oid.hash;
                        mode = p0->mode;
                }
 
@@ -151,7 +151,7 @@ static struct combine_diff_path *path_appendnew(struct combine_diff_path *last,
        memcpy(p->path + base->len, path, pathlen);
        p->path[len] = 0;
        p->mode = mode;
-       hashcpy(p->sha1, sha1 ? sha1 : null_sha1);
+       hashcpy(p->oid.hash, sha1 ? sha1 : null_sha1);
 
        return p;
 }
@@ -238,7 +238,7 @@ static struct combine_diff_path *emit_path(struct combine_diff_path *p,
                        }
 
                        p->parent[i].mode = mode_i;
-                       hashcpy(p->parent[i].sha1, sha1_i ? sha1_i : null_sha1);
+                       hashcpy(p->parent[i].oid.hash, sha1_i ? sha1_i : null_sha1);
                }
 
                keep = 1;