author | Lars Hjemli <hjemli@gmail.com> | 2009-01-31 09:40:40 (UTC) |
---|---|---|
committer | Lars Hjemli <hjemli@gmail.com> | 2009-01-31 09:40:40 (UTC) |
commit | c495cf02bac16e459f7c9e1740798646f12c00c5 (patch) (side-by-side diff) | |
tree | a36ba3904edd96ffc79fdf420fb10d33117a469f | |
parent | d6174b7aab476c2b6a86e59d98cf978d603045f4 (diff) | |
download | cgit-c495cf02bac16e459f7c9e1740798646f12c00c5.zip cgit-c495cf02bac16e459f7c9e1740798646f12c00c5.tar.gz cgit-c495cf02bac16e459f7c9e1740798646f12c00c5.tar.bz2 |
Handle binary files in diffs
This teaches all diff-related operations (i.e. ui-log, ui-diff and ui-patch)
how to handle binary files.
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
-rw-r--r-- | cgit.h | 4 | ||||
-rw-r--r-- | shared.c | 13 | ||||
-rw-r--r-- | ui-diff.c | 26 | ||||
-rw-r--r-- | ui-log.c | 7 | ||||
-rw-r--r-- | ui-patch.c | 9 |
5 files changed, 52 insertions, 7 deletions
@@ -1,113 +1,114 @@ #ifndef CGIT_H #define CGIT_H #include <git-compat-util.h> #include <cache.h> #include <grep.h> #include <object.h> #include <tree.h> #include <commit.h> #include <tag.h> #include <diff.h> #include <diffcore.h> #include <refs.h> #include <revision.h> #include <log-tree.h> #include <archive.h> +#include <xdiff-interface.h> #include <xdiff/xdiff.h> #include <utf8.h> /* * Dateformats used on misc. pages */ #define FMT_LONGDATE "%Y-%m-%d %H:%M:%S (%Z)" #define FMT_SHORTDATE "%Y-%m-%d" #define FMT_ATOMDATE "%Y-%m-%dT%H:%M:%SZ" /* * Limits used for relative dates */ #define TM_MIN 60 #define TM_HOUR (TM_MIN * 60) #define TM_DAY (TM_HOUR * 24) #define TM_WEEK (TM_DAY * 7) #define TM_YEAR (TM_DAY * 365) #define TM_MONTH (TM_YEAR / 12.0) /* * Default encoding */ #define PAGE_ENCODING "UTF-8" typedef void (*configfn)(const char *name, const char *value); typedef void (*filepair_fn)(struct diff_filepair *pair); typedef void (*linediff_fn)(char *line, int len); struct cgit_repo { char *url; char *name; char *path; char *desc; char *owner; char *defbranch; char *group; char *module_link; char *readme; char *clone_url; int snapshots; int enable_log_filecount; int enable_log_linecount; int max_stats; time_t mtime; }; struct cgit_repolist { int length; int count; struct cgit_repo *repos; }; struct commitinfo { struct commit *commit; char *author; char *author_email; unsigned long author_date; char *committer; char *committer_email; unsigned long committer_date; char *subject; char *msg; char *msg_encoding; }; struct taginfo { char *tagger; char *tagger_email; unsigned long tagger_date; char *msg; }; struct refinfo { const char *refname; struct object *object; union { struct taginfo *tag; struct commitinfo *commit; }; }; struct reflist { struct refinfo **refs; int alloc; int count; }; struct cgit_query { int has_symref; int has_sha1; char *raw; char *repo; @@ -128,116 +129,117 @@ struct cgit_query { int showmsg; }; struct cgit_config { char *agefile; char *cache_root; char *clone_prefix; char *css; char *favicon; char *footer; char *index_header; char *index_info; char *logo; char *logo_link; char *module_link; char *repo_group; char *robots; char *root_title; char *root_desc; char *root_readme; char *script_name; char *virtual_root; int cache_size; int cache_dynamic_ttl; int cache_max_create_time; int cache_repo_ttl; int cache_root_ttl; int cache_static_ttl; int enable_index_links; int enable_log_filecount; int enable_log_linecount; int local_time; int max_repo_count; int max_commit_count; int max_lock_attempts; int max_msg_len; int max_repodesc_len; int max_stats; int nocache; int renamelimit; int snapshots; int summary_branches; int summary_log; int summary_tags; }; struct cgit_page { time_t modified; time_t expires; size_t size; char *mimetype; char *charset; char *filename; char *title; }; struct cgit_context { struct cgit_query qry; struct cgit_config cfg; struct cgit_repo *repo; struct cgit_page page; }; struct cgit_snapshot_format { const char *suffix; const char *mimetype; write_archive_fn_t write_func; int bit; }; extern const char *cgit_version; extern struct cgit_repolist cgit_repolist; extern struct cgit_context ctx; extern const struct cgit_snapshot_format cgit_snapshot_formats[]; extern struct cgit_repo *cgit_add_repo(const char *url); extern struct cgit_repo *cgit_get_repoinfo(const char *url); extern void cgit_repo_config_cb(const char *name, const char *value); extern int chk_zero(int result, char *msg); extern int chk_positive(int result, char *msg); extern int chk_non_negative(int result, char *msg); extern char *trim_end(const char *str, char c); extern char *strlpart(char *txt, int maxlen); extern char *strrpart(char *txt, int maxlen); extern void cgit_add_ref(struct reflist *list, struct refinfo *ref); extern int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags, void *cb_data); extern void *cgit_free_commitinfo(struct commitinfo *info); extern int cgit_diff_files(const unsigned char *old_sha1, const unsigned char *new_sha1, - linediff_fn fn); + unsigned long *old_size, unsigned long *new_size, + int *binary, linediff_fn fn); extern void cgit_diff_tree(const unsigned char *old_sha1, const unsigned char *new_sha1, filepair_fn fn, const char *prefix); extern void cgit_diff_commit(struct commit *commit, filepair_fn fn); extern char *fmt(const char *format,...); extern struct commitinfo *cgit_parse_commit(struct commit *commit); extern struct taginfo *cgit_parse_tag(struct tag *tag); extern void cgit_parse_url(const char *url); extern const char *cgit_repobasename(const char *reponame); extern int cgit_parse_snapshots_mask(const char *str); #endif /* CGIT_H */ @@ -164,185 +164,194 @@ struct refinfo *cgit_mk_refinfo(const char *refname, const unsigned char *sha1) ref->refname = xstrdup(refname); ref->object = parse_object(sha1); switch (ref->object->type) { case OBJ_TAG: ref->tag = cgit_parse_tag((struct tag *)ref->object); break; case OBJ_COMMIT: ref->commit = cgit_parse_commit((struct commit *)ref->object); break; } return ref; } int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { struct reflist *list = (struct reflist *)cb_data; struct refinfo *info = cgit_mk_refinfo(refname, sha1); if (info) cgit_add_ref(list, info); return 0; } void cgit_diff_tree_cb(struct diff_queue_struct *q, struct diff_options *options, void *data) { int i; for (i = 0; i < q->nr; i++) { if (q->queue[i]->status == 'U') continue; ((filepair_fn)data)(q->queue[i]); } } static int load_mmfile(mmfile_t *file, const unsigned char *sha1) { enum object_type type; if (is_null_sha1(sha1)) { file->ptr = (char *)""; file->size = 0; } else { file->ptr = read_sha1_file(sha1, &type, (unsigned long *)&file->size); } return 1; } /* * Receive diff-buffers from xdiff and concatenate them as * needed across multiple callbacks. * * This is basically a copy of xdiff-interface.c/xdiff_outf(), * ripped from git and modified to use globals instead of * a special callback-struct. */ char *diffbuf = NULL; int buflen = 0; int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) { int i; for (i = 0; i < nbuf; i++) { if (mb[i].ptr[mb[i].size-1] != '\n') { /* Incomplete line */ diffbuf = xrealloc(diffbuf, buflen + mb[i].size); memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); buflen += mb[i].size; continue; } /* we have a complete line */ if (!diffbuf) { ((linediff_fn)priv)(mb[i].ptr, mb[i].size); continue; } diffbuf = xrealloc(diffbuf, buflen + mb[i].size); memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); ((linediff_fn)priv)(diffbuf, buflen + mb[i].size); free(diffbuf); diffbuf = NULL; buflen = 0; } if (diffbuf) { ((linediff_fn)priv)(diffbuf, buflen); free(diffbuf); diffbuf = NULL; buflen = 0; } return 0; } int cgit_diff_files(const unsigned char *old_sha1, - const unsigned char *new_sha1, - linediff_fn fn) + const unsigned char *new_sha1, unsigned long *old_size, + unsigned long *new_size, int *binary, linediff_fn fn) { mmfile_t file1, file2; xpparam_t diff_params; xdemitconf_t emit_params; xdemitcb_t emit_cb; if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1)) return 1; + *old_size = file1.size; + *new_size = file2.size; + + if (buffer_is_binary(file1.ptr, file1.size) || + buffer_is_binary(file2.ptr, file2.size)) { + *binary = 1; + return 0; + } + memset(&diff_params, 0, sizeof(diff_params)); memset(&emit_params, 0, sizeof(emit_params)); memset(&emit_cb, 0, sizeof(emit_cb)); diff_params.flags = XDF_NEED_MINIMAL; emit_params.ctxlen = 3; emit_params.flags = XDL_EMIT_FUNCNAMES; emit_cb.outf = filediff_cb; emit_cb.priv = fn; xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb); return 0; } void cgit_diff_tree(const unsigned char *old_sha1, const unsigned char *new_sha1, filepair_fn fn, const char *prefix) { struct diff_options opt; int ret; int prefixlen; diff_setup(&opt); opt.output_format = DIFF_FORMAT_CALLBACK; opt.detect_rename = 1; opt.rename_limit = ctx.cfg.renamelimit; DIFF_OPT_SET(&opt, RECURSIVE); opt.format_callback = cgit_diff_tree_cb; opt.format_callback_data = fn; if (prefix) { opt.nr_paths = 1; opt.paths = &prefix; prefixlen = strlen(prefix); opt.pathlens = &prefixlen; } diff_setup_done(&opt); if (old_sha1 && !is_null_sha1(old_sha1)) ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt); else ret = diff_root_tree_sha1(new_sha1, "", &opt); diffcore_std(&opt); diff_flush(&opt); } void cgit_diff_commit(struct commit *commit, filepair_fn fn) { unsigned char *old_sha1 = NULL; if (commit->parents) old_sha1 = commit->parents->item->object.sha1; cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL); } int cgit_parse_snapshots_mask(const char *str) { const struct cgit_snapshot_format *f; static const char *delim = " \t,:/|;"; int tl, sl, rv = 0; /* favor legacy setting */ if(atoi(str)) return 1; for(;;) { str += strspn(str,delim); tl = strcspn(str,delim); if (!tl) break; for (f = cgit_snapshot_formats; f->suffix; f++) { sl = strlen(f->suffix); if((tl == sl && !strncmp(f->suffix, str, tl)) || (tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) { rv |= f->bit; break; } } str += tl; } return rv; } @@ -1,291 +1,313 @@ /* ui-diff.c: show diff between two blobs * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" #include "html.h" #include "ui-shared.h" unsigned char old_rev_sha1[20]; unsigned char new_rev_sha1[20]; static int files, slots; static int total_adds, total_rems, max_changes; static int lines_added, lines_removed; static struct fileinfo { char status; unsigned char old_sha1[20]; unsigned char new_sha1[20]; unsigned short old_mode; unsigned short new_mode; char *old_path; char *new_path; unsigned int added; unsigned int removed; + unsigned long old_size; + unsigned long new_size; + int binary:1; } *items; static void print_fileinfo(struct fileinfo *info) { char *class; switch (info->status) { case DIFF_STATUS_ADDED: class = "add"; break; case DIFF_STATUS_COPIED: class = "cpy"; break; case DIFF_STATUS_DELETED: class = "del"; break; case DIFF_STATUS_MODIFIED: class = "upd"; break; case DIFF_STATUS_RENAMED: class = "mov"; break; case DIFF_STATUS_TYPE_CHANGED: class = "typ"; break; case DIFF_STATUS_UNKNOWN: class = "unk"; break; case DIFF_STATUS_UNMERGED: class = "stg"; break; default: die("bug: unhandled diff status %c", info->status); } html("<tr>"); htmlf("<td class='mode'>"); if (is_null_sha1(info->new_sha1)) { cgit_print_filemode(info->old_mode); } else { cgit_print_filemode(info->new_mode); } if (info->old_mode != info->new_mode && !is_null_sha1(info->old_sha1) && !is_null_sha1(info->new_sha1)) { html("<span class='modechange'>["); cgit_print_filemode(info->old_mode); html("]</span>"); } htmlf("</td><td class='%s'>", class); cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, ctx.qry.sha1, ctx.qry.sha2, info->new_path); if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED) htmlf(" (%s from %s)", info->status == DIFF_STATUS_COPIED ? "copied" : "renamed", info->old_path); html("</td><td class='right'>"); + if (info->binary) { + htmlf("bin</td><td class='graph'>%d -> %d bytes", + info->old_size, info->new_size); + return; + } htmlf("%d", info->added + info->removed); html("</td><td class='graph'>"); htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes)); htmlf("<td class='add' style='width: %.1f%%;'/>", info->added * 100.0 / max_changes); htmlf("<td class='rem' style='width: %.1f%%;'/>", info->removed * 100.0 / max_changes); htmlf("<td class='none' style='width: %.1f%%;'/>", (max_changes - info->removed - info->added) * 100.0 / max_changes); html("</tr></table></td></tr>\n"); } static void count_diff_lines(char *line, int len) { if (line && (len > 0)) { if (line[0] == '+') lines_added++; else if (line[0] == '-') lines_removed++; } } static void inspect_filepair(struct diff_filepair *pair) { + int binary = 0; + unsigned long old_size = 0; + unsigned long new_size = 0; files++; lines_added = 0; lines_removed = 0; - cgit_diff_files(pair->one->sha1, pair->two->sha1, count_diff_lines); + cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, &new_size, + &binary, count_diff_lines); if (files >= slots) { if (slots == 0) slots = 4; else slots = slots * 2; items = xrealloc(items, slots * sizeof(struct fileinfo)); } items[files-1].status = pair->status; hashcpy(items[files-1].old_sha1, pair->one->sha1); hashcpy(items[files-1].new_sha1, pair->two->sha1); items[files-1].old_mode = pair->one->mode; items[files-1].new_mode = pair->two->mode; items[files-1].old_path = xstrdup(pair->one->path); items[files-1].new_path = xstrdup(pair->two->path); items[files-1].added = lines_added; items[files-1].removed = lines_removed; + items[files-1].old_size = old_size; + items[files-1].new_size = new_size; + items[files-1].binary = binary; if (lines_added + lines_removed > max_changes) max_changes = lines_added + lines_removed; total_adds += lines_added; total_rems += lines_removed; } void cgit_print_diffstat(const unsigned char *old_sha1, const unsigned char *new_sha1) { int i; html("<div class='diffstat-header'>"); cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1, ctx.qry.sha2, NULL); html("</div>"); html("<table summary='diffstat' class='diffstat'>"); max_changes = 0; cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, NULL); for(i = 0; i<files; i++) print_fileinfo(&items[i]); html("</table>"); html("<div class='diffstat-summary'>"); htmlf("%d files changed, %d insertions, %d deletions", files, total_adds, total_rems); html("</div>"); } /* * print a single line returned from xdiff */ static void print_line(char *line, int len) { char *class = "ctx"; char c = line[len-1]; if (line[0] == '+') class = "add"; else if (line[0] == '-') class = "del"; else if (line[0] == '@') class = "hunk"; htmlf("<div class='%s'>", class); line[len-1] = '\0'; html_txt(line); html("</div>"); line[len-1] = c; } static void header(unsigned char *sha1, char *path1, int mode1, unsigned char *sha2, char *path2, int mode2) { char *abbrev1, *abbrev2; int subproject; subproject = (S_ISGITLINK(mode1) || S_ISGITLINK(mode2)); html("<div class='head'>"); html("diff --git a/"); html_txt(path1); html(" b/"); html_txt(path2); if (is_null_sha1(sha1)) path1 = "dev/null"; if (is_null_sha1(sha2)) path2 = "dev/null"; if (mode1 == 0) htmlf("<br/>new file mode %.6o", mode2); if (mode2 == 0) htmlf("<br/>deleted file mode %.6o", mode1); if (!subproject) { abbrev1 = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV)); abbrev2 = xstrdup(find_unique_abbrev(sha2, DEFAULT_ABBREV)); htmlf("<br/>index %s..%s", abbrev1, abbrev2); free(abbrev1); free(abbrev2); if (mode1 != 0 && mode2 != 0) { htmlf(" %.6o", mode1); if (mode2 != mode1) htmlf("..%.6o", mode2); } html("<br/>--- a/"); if (mode1 != 0) cgit_tree_link(path1, NULL, NULL, ctx.qry.head, sha1_to_hex(old_rev_sha1), path1); else html_txt(path1); html("<br/>+++ b/"); if (mode2 != 0) cgit_tree_link(path2, NULL, NULL, ctx.qry.head, sha1_to_hex(new_rev_sha1), path2); else html_txt(path2); } html("</div>"); } static void filepair_cb(struct diff_filepair *pair) { + unsigned long old_size = 0; + unsigned long new_size = 0; + int binary = 0; + header(pair->one->sha1, pair->one->path, pair->one->mode, pair->two->sha1, pair->two->path, pair->two->mode); if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) { if (S_ISGITLINK(pair->one->mode)) print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52); if (S_ISGITLINK(pair->two->mode)) print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52); return; } - if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line)) + if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, + &new_size, &binary, print_line)) cgit_print_error("Error running diff"); + if (binary) + html("Binary files differ"); } void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix) { enum object_type type; unsigned long size; struct commit *commit, *commit2; if (!new_rev) new_rev = ctx.qry.head; get_sha1(new_rev, new_rev_sha1); type = sha1_object_info(new_rev_sha1, &size); if (type == OBJ_BAD) { cgit_print_error(fmt("Bad object name: %s", new_rev)); return; } commit = lookup_commit_reference(new_rev_sha1); if (!commit || parse_commit(commit)) cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(new_rev_sha1))); if (old_rev) get_sha1(old_rev, old_rev_sha1); else if (commit->parents && commit->parents->item) hashcpy(old_rev_sha1, commit->parents->item->object.sha1); else hashclr(old_rev_sha1); if (!is_null_sha1(old_rev_sha1)) { type = sha1_object_info(old_rev_sha1, &size); if (type == OBJ_BAD) { cgit_print_error(fmt("Bad object name: %s", sha1_to_hex(old_rev_sha1))); return; } commit2 = lookup_commit_reference(old_rev_sha1); if (!commit2 || parse_commit(commit2)) cgit_print_error(fmt("Bad commit: %s", sha1_to_hex(old_rev_sha1))); } cgit_print_diffstat(old_rev_sha1, new_rev_sha1); html("<table summary='diff' class='diff'>"); html("<tr><td>"); cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix); html("</td></tr>"); html("</table>"); } @@ -1,127 +1,132 @@ /* ui-log.c: functions for log output * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" #include "html.h" #include "ui-shared.h" int files, add_lines, rem_lines; void count_lines(char *line, int size) { if (size <= 0) return; if (line[0] == '+') add_lines++; else if (line[0] == '-') rem_lines++; } void inspect_files(struct diff_filepair *pair) { + unsigned long old_size = 0; + unsigned long new_size = 0; + int binary = 0; + files++; if (ctx.repo->enable_log_linecount) - cgit_diff_files(pair->one->sha1, pair->two->sha1, count_lines); + cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, + &new_size, &binary, count_lines); } void show_commit_decorations(struct commit *commit) { struct name_decoration *deco; static char buf[1024]; buf[sizeof(buf) - 1] = 0; deco = lookup_decoration(&name_decoration, &commit->object); while (deco) { if (!prefixcmp(deco->name, "refs/heads/")) { strncpy(buf, deco->name + 11, sizeof(buf) - 1); cgit_log_link(buf, NULL, "branch-deco", buf, NULL, NULL, 0, NULL, NULL, ctx.qry.showmsg); } else if (!prefixcmp(deco->name, "tag: refs/tags/")) { strncpy(buf, deco->name + 15, sizeof(buf) - 1); cgit_tag_link(buf, NULL, "tag-deco", ctx.qry.head, buf); } else if (!prefixcmp(deco->name, "refs/remotes/")) { strncpy(buf, deco->name + 13, sizeof(buf) - 1); cgit_log_link(buf, NULL, "remote-deco", NULL, sha1_to_hex(commit->object.sha1), NULL, 0, NULL, NULL, ctx.qry.showmsg); } else { strncpy(buf, deco->name, sizeof(buf) - 1); cgit_commit_link(buf, NULL, "deco", ctx.qry.head, sha1_to_hex(commit->object.sha1)); } deco = deco->next; } } void print_commit(struct commit *commit) { struct commitinfo *info; char *tmp; int cols = 2; info = cgit_parse_commit(commit); htmlf("<tr%s><td>", ctx.qry.showmsg ? " class='logheader'" : ""); tmp = fmt("id=%s", sha1_to_hex(commit->object.sha1)); tmp = cgit_pageurl(ctx.repo->url, "commit", tmp); html_link_open(tmp, NULL, NULL); cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE); html_link_close(); htmlf("</td><td%s>", ctx.qry.showmsg ? " class='logsubject'" : ""); cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head, sha1_to_hex(commit->object.sha1)); show_commit_decorations(commit); html("</td><td>"); html_txt(info->author); if (ctx.repo->enable_log_filecount) { files = 0; add_lines = 0; rem_lines = 0; cgit_diff_commit(commit, inspect_files); html("</td><td>"); htmlf("%d", files); if (ctx.repo->enable_log_linecount) { html("</td><td>"); htmlf("-%d/+%d", rem_lines, add_lines); } } html("</td></tr>\n"); if (ctx.qry.showmsg) { if (ctx.repo->enable_log_filecount) { cols++; if (ctx.repo->enable_log_linecount) cols++; } htmlf("<tr class='nohover'><td/><td colspan='%d' class='logmsg'>", cols); html_txt(info->msg); html("</td></tr>\n"); } cgit_free_commitinfo(info); } static const char *disambiguate_ref(const char *ref) { unsigned char sha1[20]; const char *longref; longref = fmt("refs/heads/%s", ref); if (get_sha1(longref, sha1) == 0) return longref; return ref; } void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern, char *path, int pager) @@ -1,118 +1,125 @@ /* ui-patch.c: generate patch view * * Copyright (C) 2007 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" #include "html.h" #include "ui-shared.h" static void print_line(char *line, int len) { char c = line[len-1]; line[len-1] = '\0'; htmlf("%s\n", line); line[len-1] = c; } static void header(unsigned char *sha1, char *path1, int mode1, unsigned char *sha2, char *path2, int mode2) { char *abbrev1, *abbrev2; int subproject; subproject = (S_ISGITLINK(mode1) || S_ISGITLINK(mode2)); htmlf("diff --git a/%s b/%s\n", path1, path2); if (is_null_sha1(sha1)) path1 = "dev/null"; if (is_null_sha1(sha2)) path2 = "dev/null"; if (mode1 == 0) htmlf("new file mode %.6o\n", mode2); if (mode2 == 0) htmlf("deleted file mode %.6o\n", mode1); if (!subproject) { abbrev1 = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV)); abbrev2 = xstrdup(find_unique_abbrev(sha2, DEFAULT_ABBREV)); htmlf("index %s..%s", abbrev1, abbrev2); free(abbrev1); free(abbrev2); if (mode1 != 0 && mode2 != 0) { htmlf(" %.6o", mode1); if (mode2 != mode1) htmlf("..%.6o", mode2); } htmlf("\n--- a/%s\n", path1); htmlf("+++ b/%s\n", path2); } } static void filepair_cb(struct diff_filepair *pair) { + unsigned long old_size = 0; + unsigned long new_size = 0; + int binary = 0; + header(pair->one->sha1, pair->one->path, pair->one->mode, pair->two->sha1, pair->two->path, pair->two->mode); if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) { if (S_ISGITLINK(pair->one->mode)) print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52); if (S_ISGITLINK(pair->two->mode)) print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52); return; } - if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line)) + if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, + &new_size, &binary, print_line)) html("Error running diff"); + if (binary) + html("Binary files differ\n"); } void cgit_print_patch(char *hex) { struct commit *commit; struct commitinfo *info; unsigned char sha1[20], old_sha1[20]; char *patchname; if (!hex) hex = ctx.qry.head; if (get_sha1(hex, sha1)) { cgit_print_error(fmt("Bad object id: %s", hex)); return; } commit = lookup_commit_reference(sha1); if (!commit) { cgit_print_error(fmt("Bad commit reference: %s", hex)); return; } info = cgit_parse_commit(commit); if (commit->parents && commit->parents->item) hashcpy(old_sha1, commit->parents->item->object.sha1); else hashclr(old_sha1); patchname = fmt("%s.patch", sha1_to_hex(sha1)); ctx.page.mimetype = "text/plain"; ctx.page.filename = patchname; cgit_print_http_headers(&ctx); htmlf("From %s Mon Sep 17 00:00:00 2001\n", sha1_to_hex(sha1)); htmlf("From: %s %s\n", info->author, info->author_email); html("Date: "); cgit_print_date(info->author_date, "%a, %d %b %Y %H:%M:%S %z%n", ctx.cfg.local_time); htmlf("Subject: %s\n\n", info->subject); if (info->msg && *info->msg) { htmlf("%s", info->msg); if (info->msg[strlen(info->msg) - 1] != '\n') html("\n"); } html("---\n"); cgit_diff_tree(old_sha1, sha1, filepair_cb, NULL); html("--\n"); htmlf("cgit %s\n", CGIT_VERSION); cgit_free_commitinfo(info); } |