From c495cf02bac16e459f7c9e1740798646f12c00c5 Mon Sep 17 00:00:00 2001 From: Lars Hjemli Date: Sat, 31 Jan 2009 10:40:40 +0100 Subject: 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 --- cgit.h | 4 +++- shared.c | 13 +++++++++++-- ui-diff.c | 26 ++++++++++++++++++++++++-- ui-log.c | 7 ++++++- ui-patch.c | 9 ++++++++- 5 files changed, 52 insertions(+), 7 deletions(-) diff --git a/cgit.h b/cgit.h index 4fe94c6..8b0defa 100644 --- a/cgit.h +++ b/cgit.h @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -221,7 +222,8 @@ 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, diff --git a/shared.c b/shared.c index 578a544..dbb84d8 100644 --- a/shared.c +++ b/shared.c @@ -257,8 +257,8 @@ int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) } 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; @@ -268,6 +268,15 @@ int cgit_diff_files(const unsigned char *old_sha1, 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 --git a/ui-diff.c b/ui-diff.c index 878496d..2196745 100644 --- a/ui-diff.c +++ b/ui-diff.c @@ -27,6 +27,9 @@ static struct fileinfo { char *new_path; unsigned int added; unsigned int removed; + unsigned long old_size; + unsigned long new_size; + int binary:1; } *items; @@ -86,6 +89,11 @@ static void print_fileinfo(struct fileinfo *info) info->status == DIFF_STATUS_COPIED ? "copied" : "renamed", info->old_path); html(""); + if (info->binary) { + htmlf("bin%d -> %d bytes", + info->old_size, info->new_size); + return; + } htmlf("%d", info->added + info->removed); html(""); htmlf("", (max_changes > 100 ? 100 : max_changes)); @@ -110,10 +118,14 @@ static void count_diff_lines(char *line, int len) 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; @@ -130,6 +142,9 @@ static void inspect_filepair(struct diff_filepair *pair) 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; @@ -233,6 +248,10 @@ static void header(unsigned char *sha1, char *path1, int mode1, 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)) { @@ -242,8 +261,11 @@ static void filepair_cb(struct diff_filepair *pair) 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) diff --git a/ui-log.c b/ui-log.c index 3202848..ba2ab03 100644 --- a/ui-log.c +++ b/ui-log.c @@ -26,9 +26,14 @@ void count_lines(char *line, int size) 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) diff --git a/ui-patch.c b/ui-patch.c index 1d77336..5d665d3 100644 --- a/ui-patch.c +++ b/ui-patch.c @@ -57,6 +57,10 @@ static void header(unsigned char *sha1, char *path1, int mode1, 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)) { @@ -66,8 +70,11 @@ static void filepair_cb(struct diff_filepair *pair) 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) -- cgit v1.2.3-57-g22cb