From: Junio C Hamano Date: Tue, 16 Feb 2010 23:05:02 +0000 (-0800) Subject: Merge branch 'maint-1.6.6' into maint X-Git-Tag: v1.7.0.1~21 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/e7b3cea0f7589c57f7bb808330e32bdd7f901c95?ds=inline;hp=-c Merge branch 'maint-1.6.6' into maint * maint-1.6.6: dwim_ref: fix dangling symref warning stash pop: remove 'apply' options during 'drop' invocation diff: make sure --output=/bad/path is caught Remove hyphen from "git-command" in two error messages --- e7b3cea0f7589c57f7bb808330e32bdd7f901c95 diff --combined diff.c index 381cc8d4fd,7a321f4254..68def6caed --- a/diff.c +++ b/diff.c @@@ -194,7 -194,6 +194,7 @@@ struct emit_callback struct diff_words_data *diff_words; int *found_changesp; FILE *file; + struct strbuf *header; }; static int count_lines(const char *data, int size) @@@ -798,11 -797,6 +798,11 @@@ static void fn_out_consume(void *priv, const char *plain = diff_get_color(ecbdata->color_diff, DIFF_PLAIN); const char *reset = diff_get_color(ecbdata->color_diff, DIFF_RESET); + if (ecbdata->header) { + fprintf(ecbdata->file, "%s", ecbdata->header->buf); + strbuf_reset(ecbdata->header); + ecbdata->header = NULL; + } *(ecbdata->found_changesp) = 1; if (ecbdata->label_path[0]) { @@@ -1607,7 -1601,6 +1607,7 @@@ static void builtin_diff(const char *na const char *reset = diff_get_color_opt(o, DIFF_RESET); const char *a_prefix, *b_prefix; const char *textconv_one = NULL, *textconv_two = NULL; + struct strbuf header = STRBUF_INIT; if (DIFF_OPT_TST(o, SUBMODULE_LOG) && (!one->mode || S_ISGITLINK(one->mode)) && @@@ -1615,7 -1608,7 +1615,7 @@@ const char *del = diff_get_color_opt(o, DIFF_FILE_OLD); const char *add = diff_get_color_opt(o, DIFF_FILE_NEW); show_submodule_summary(o->file, one ? one->path : two->path, - one->sha1, two->sha1, + one->sha1, two->sha1, two->dirty_submodule, del, add, reset); return; } @@@ -1642,26 -1635,25 +1642,26 @@@ b_two = quote_two(b_prefix, name_b + (*name_b == '/')); lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null"; lbl[1] = DIFF_FILE_VALID(two) ? b_two : "/dev/null"; - fprintf(o->file, "%sdiff --git %s %s%s\n", set, a_one, b_two, reset); + strbuf_addf(&header, "%sdiff --git %s %s%s\n", set, a_one, b_two, reset); if (lbl[0][0] == '/') { /* /dev/null */ - fprintf(o->file, "%snew file mode %06o%s\n", set, two->mode, reset); + strbuf_addf(&header, "%snew file mode %06o%s\n", set, two->mode, reset); if (xfrm_msg && xfrm_msg[0]) - fprintf(o->file, "%s%s%s\n", set, xfrm_msg, reset); + strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset); } else if (lbl[1][0] == '/') { - fprintf(o->file, "%sdeleted file mode %06o%s\n", set, one->mode, reset); + strbuf_addf(&header, "%sdeleted file mode %06o%s\n", set, one->mode, reset); if (xfrm_msg && xfrm_msg[0]) - fprintf(o->file, "%s%s%s\n", set, xfrm_msg, reset); + strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset); } else { if (one->mode != two->mode) { - fprintf(o->file, "%sold mode %06o%s\n", set, one->mode, reset); - fprintf(o->file, "%snew mode %06o%s\n", set, two->mode, reset); + strbuf_addf(&header, "%sold mode %06o%s\n", set, one->mode, reset); + strbuf_addf(&header, "%snew mode %06o%s\n", set, two->mode, reset); } if (xfrm_msg && xfrm_msg[0]) - fprintf(o->file, "%s%s%s\n", set, xfrm_msg, reset); + strbuf_addf(&header, "%s%s%s\n", set, xfrm_msg, reset); + /* * we do not run diff between different kind * of objects. @@@ -1671,8 -1663,6 +1671,8 @@@ if (complete_rewrite && (textconv_one || !diff_filespec_is_binary(one)) && (textconv_two || !diff_filespec_is_binary(two))) { + fprintf(o->file, "%s", header.buf); + strbuf_reset(&header); emit_rewrite_diff(name_a, name_b, one, two, textconv_one, textconv_two, o); o->found_changes = 1; @@@ -1690,8 -1680,6 +1690,8 @@@ if (mf1.size == mf2.size && !memcmp(mf1.ptr, mf2.ptr, mf1.size)) goto free_ab_and_return; + fprintf(o->file, "%s", header.buf); + strbuf_reset(&header); if (DIFF_OPT_TST(o, BINARY)) emit_binary_diff(o->file, &mf1, &mf2); else @@@ -1708,11 -1696,6 +1708,11 @@@ struct emit_callback ecbdata; const struct userdiff_funcname *pe; + if (!DIFF_XDL_TST(o, WHITESPACE_FLAGS)) { + fprintf(o->file, "%s", header.buf); + strbuf_reset(&header); + } + if (textconv_one) { size_t size; mf1.ptr = run_textconv(textconv_one, one, &size); @@@ -1742,7 -1725,6 +1742,7 @@@ if (ecbdata.ws_rule & WS_BLANK_AT_EOF) check_blank_at_eof(&mf1, &mf2, &ecbdata); ecbdata.file = o->file; + ecbdata.header = header.len ? &header : NULL; xpp.flags = XDF_NEED_MINIMAL | o->xdl_opts; xecfg.ctxlen = o->context; xecfg.interhunkctxlen = o->interhunkcontext; @@@ -1787,7 -1769,6 +1787,7 @@@ } free_ab_and_return: + strbuf_release(&header); diff_free_filespec_data(one); diff_free_filespec_data(two); free(a_one); @@@ -1997,7 -1978,7 +1997,7 @@@ static int reuse_worktree_file(const ch * If ce is marked as "assume unchanged", there is no * guarantee that work tree matches what we are looking for. */ - if (ce->ce_flags & CE_VALID) + if ((ce->ce_flags & CE_VALID) || ce_skip_worktree(ce)) return 0; /* @@@ -2029,14 -2010,9 +2029,14 @@@ static int populate_from_stdin(struct d static int diff_populate_gitlink(struct diff_filespec *s, int size_only) { int len; - char *data = xmalloc(100); + char *data = xmalloc(100), *dirty = ""; + + /* Are we looking at the work tree? */ + if (!s->sha1_valid && s->dirty_submodule) + dirty = "-dirty"; + len = snprintf(data, 100, - "Subproject commit %s\n", sha1_to_hex(s->sha1)); + "Subproject commit %s%s\n", sha1_to_hex(s->sha1), dirty); s->data = data; s->size = len; s->should_free = 1; @@@ -2299,7 -2275,7 +2299,7 @@@ static void run_external_diff(const cha } *arg = NULL; fflush(NULL); - retval = run_command_v_opt(spawn_arg, 0); + retval = run_command_v_opt(spawn_arg, RUN_USING_SHELL); remove_tempfile(); if (retval) { fprintf(stderr, "external diff died, stopping at %s.\n", name); @@@ -2575,20 -2551,6 +2575,20 @@@ int diff_setup_done(struct diff_option if (count > 1) die("--name-only, --name-status, --check and -s are mutually exclusive"); + /* + * Most of the time we can say "there are changes" + * only by checking if there are changed paths, but + * --ignore-whitespace* options force us to look + * inside contents. + */ + + if (DIFF_XDL_TST(options, IGNORE_WHITESPACE) || + DIFF_XDL_TST(options, IGNORE_WHITESPACE_CHANGE) || + DIFF_XDL_TST(options, IGNORE_WHITESPACE_AT_EOL)) + DIFF_OPT_SET(options, DIFF_FROM_CONTENTS); + else + DIFF_OPT_CLR(options, DIFF_FROM_CONTENTS); + if (DIFF_OPT_TST(options, FIND_COPIES_HARDER)) options->detect_rename = DIFF_DETECT_COPY; @@@ -2649,7 -2611,7 +2649,7 @@@ * to have found. It does not make sense not to return with * exit code in such a case either. */ - if (DIFF_OPT_TST(options, QUIET)) { + if (DIFF_OPT_TST(options, QUICK)) { options->output_format = DIFF_FORMAT_NO_OUTPUT; DIFF_OPT_SET(options, EXIT_WITH_STATUS); } @@@ -2840,7 -2802,7 +2840,7 @@@ int diff_opt_parse(struct diff_options else if (!strcmp(arg, "--exit-code")) DIFF_OPT_SET(options, EXIT_WITH_STATUS); else if (!strcmp(arg, "--quiet")) - DIFF_OPT_SET(options, QUIET); + DIFF_OPT_SET(options, QUICK); else if (!strcmp(arg, "--ext-diff")) DIFF_OPT_SET(options, ALLOW_EXTERNAL); else if (!strcmp(arg, "--no-ext-diff")) @@@ -2893,6 -2855,8 +2893,8 @@@ ; else if (!prefixcmp(arg, "--output=")) { options->file = fopen(arg + strlen("--output="), "w"); + if (!options->file) + die_errno("Could not open '%s'", arg + strlen("--output=")); options->close_file = 1; } else return 0; @@@ -3547,18 -3511,6 +3549,18 @@@ free_queue q->nr = q->alloc = 0; if (options->close_file) fclose(options->file); + + /* + * Report the content-level differences with HAS_CHANGES; + * diff_addremove/diff_change does not set the bit when + * DIFF_FROM_CONTENTS is in effect (e.g. with -w). + */ + if (DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) { + if (options->found_changes) + DIFF_OPT_SET(options, HAS_CHANGES); + else + DIFF_OPT_CLR(options, HAS_CHANGES); + } } static void diffcore_apply_filter(const char *filter) @@@ -3678,23 -3630,6 +3680,23 @@@ static void diffcore_skip_stat_unmatch( *q = outq; } +static int diffnamecmp(const void *a_, const void *b_) +{ + const struct diff_filepair *a = *((const struct diff_filepair **)a_); + const struct diff_filepair *b = *((const struct diff_filepair **)b_); + const char *name_a, *name_b; + + name_a = a->one ? a->one->path : a->two->path; + name_b = b->one ? b->one->path : b->two->path; + return strcmp(name_a, name_b); +} + +void diffcore_fix_diff_index(struct diff_options *options) +{ + struct diff_queue_struct *q = &diff_queued_diff; + qsort(q->queue, q->nr, sizeof(q->queue[0]), diffnamecmp); +} + void diffcore_std(struct diff_options *options) { if (options->skip_stat_unmatch) @@@ -3712,7 -3647,7 +3714,7 @@@ diff_resolve_rename_copy(); diffcore_apply_filter(options->filter); - if (diff_queued_diff.nr) + if (diff_queued_diff.nr && !DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) DIFF_OPT_SET(options, HAS_CHANGES); else DIFF_OPT_CLR(options, HAS_CHANGES); @@@ -3736,7 -3671,7 +3738,7 @@@ int diff_result_code(struct diff_option void diff_addremove(struct diff_options *options, int addremove, unsigned mode, const unsigned char *sha1, - const char *concatpath) + const char *concatpath, unsigned dirty_submodule) { struct diff_filespec *one, *two; @@@ -3768,22 -3703,18 +3770,22 @@@ if (addremove != '+') fill_filespec(one, sha1, mode); - if (addremove != '-') + if (addremove != '-') { fill_filespec(two, sha1, mode); + two->dirty_submodule = dirty_submodule; + } diff_queue(&diff_queued_diff, one, two); - DIFF_OPT_SET(options, HAS_CHANGES); + if (!DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) + DIFF_OPT_SET(options, HAS_CHANGES); } void diff_change(struct diff_options *options, unsigned old_mode, unsigned new_mode, const unsigned char *old_sha1, const unsigned char *new_sha1, - const char *concatpath) + const char *concatpath, + unsigned old_dirty_submodule, unsigned new_dirty_submodule) { struct diff_filespec *one, *two; @@@ -3796,8 -3727,6 +3798,8 @@@ const unsigned char *tmp_c; tmp = old_mode; old_mode = new_mode; new_mode = tmp; tmp_c = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_c; + tmp = old_dirty_submodule; old_dirty_submodule = new_dirty_submodule; + new_dirty_submodule = tmp; } if (options->prefix && @@@ -3808,12 -3737,9 +3810,12 @@@ two = alloc_filespec(concatpath); fill_filespec(one, old_sha1, old_mode); fill_filespec(two, new_sha1, new_mode); + one->dirty_submodule = old_dirty_submodule; + two->dirty_submodule = new_dirty_submodule; diff_queue(&diff_queued_diff, one, two); - DIFF_OPT_SET(options, HAS_CHANGES); + if (!DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) + DIFF_OPT_SET(options, HAS_CHANGES); } void diff_unmerge(struct diff_options *options, @@@ -3847,7 -3773,6 +3849,7 @@@ static char *run_textconv(const char *p *arg = NULL; memset(&child, 0, sizeof(child)); + child.use_shell = 1; child.argv = argv; child.out = -1; if (start_command(&child) != 0 || diff --combined git.c index 4c3028c098,a83cab7002..c445d7bcc2 --- a/git.c +++ b/git.c @@@ -318,9 -318,7 +318,9 @@@ static void handle_internal_command(in { "gc", cmd_gc, RUN_SETUP }, { "get-tar-commit-id", cmd_get_tar_commit_id }, { "grep", cmd_grep, RUN_SETUP | USE_PAGER }, + { "hash-object", cmd_hash_object }, { "help", cmd_help }, + { "index-pack", cmd_index_pack }, { "init", cmd_init_db }, { "init-db", cmd_init_db }, { "log", cmd_log, RUN_SETUP | USE_PAGER }, @@@ -332,20 -330,13 +332,20 @@@ { "merge", cmd_merge, RUN_SETUP | NEED_WORK_TREE }, { "merge-base", cmd_merge_base, RUN_SETUP }, { "merge-file", cmd_merge_file }, + { "merge-index", cmd_merge_index, RUN_SETUP }, { "merge-ours", cmd_merge_ours, RUN_SETUP }, { "merge-recursive", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE }, + { "merge-recursive-ours", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE }, + { "merge-recursive-theirs", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE }, { "merge-subtree", cmd_merge_recursive, RUN_SETUP | NEED_WORK_TREE }, + { "merge-tree", cmd_merge_tree, RUN_SETUP }, + { "mktag", cmd_mktag, RUN_SETUP }, { "mktree", cmd_mktree, RUN_SETUP }, { "mv", cmd_mv, RUN_SETUP | NEED_WORK_TREE }, { "name-rev", cmd_name_rev, RUN_SETUP }, { "pack-objects", cmd_pack_objects, RUN_SETUP }, + { "pack-redundant", cmd_pack_redundant, RUN_SETUP }, + { "patch-id", cmd_patch_id }, { "peek-remote", cmd_ls_remote }, { "pickaxe", cmd_blame, RUN_SETUP }, { "prune", cmd_prune, RUN_SETUP }, @@@ -372,13 -363,11 +372,13 @@@ { "symbolic-ref", cmd_symbolic_ref, RUN_SETUP }, { "tag", cmd_tag, RUN_SETUP }, { "tar-tree", cmd_tar_tree }, + { "unpack-file", cmd_unpack_file, RUN_SETUP }, { "unpack-objects", cmd_unpack_objects, RUN_SETUP }, { "update-index", cmd_update_index, RUN_SETUP }, { "update-ref", cmd_update_ref, RUN_SETUP }, { "update-server-info", cmd_update_server_info, RUN_SETUP }, { "upload-archive", cmd_upload_archive }, + { "var", cmd_var }, { "verify-tag", cmd_verify_tag, RUN_SETUP }, { "version", cmd_version }, { "whatchanged", cmd_whatchanged, RUN_SETUP | USE_PAGER }, @@@ -527,7 -516,7 +527,7 @@@ int main(int argc, const char **argv break; if (was_alias) { fprintf(stderr, "Expansion of alias '%s' failed; " - "'%s' is not a git-command\n", + "'%s' is not a git command\n", cmd, argv[0]); exit(1); } diff --combined sha1_name.c index 77299257bf,7013c53ca6..43884c69b3 --- a/sha1_name.c +++ b/sha1_name.c @@@ -5,7 -5,6 +5,7 @@@ #include "blob.h" #include "tree-walk.h" #include "refs.h" +#include "remote.h" static int find_short_object_filename(int len, const char *name, unsigned char *sha1) { @@@ -241,8 -240,7 +241,8 @@@ static int ambiguous_path(const char *p /* * *string and *len will only be substituted, and *string returned (for - * later free()ing) if the string passed in is of the form @{-}. + * later free()ing) if the string passed in is a magic short-hand form + * to name a branch. */ static char *substitute_branch_name(const char **string, int *len) { @@@ -280,8 -278,7 +280,7 @@@ int dwim_ref(const char *str, int len, *ref = xstrdup(r); if (!warn_ambiguous_refs) break; - } else if ((flag & REF_ISSYMREF) && - (len != 4 || strcmp(str, "HEAD"))) + } else if ((flag & REF_ISSYMREF) && strcmp(fullref, "HEAD")) warning("ignoring dangling symref %s.", fullref); } free(last_branch); @@@ -325,20 -322,6 +324,20 @@@ int dwim_log(const char *str, int len, return logs_found; } +static inline int upstream_mark(const char *string, int len) +{ + const char *suffix[] = { "@{upstream}", "@{u}" }; + int i; + + for (i = 0; i < ARRAY_SIZE(suffix); i++) { + int suffix_len = strlen(suffix[i]); + if (suffix_len <= len + && !memcmp(string, suffix[i], suffix_len)) + return suffix_len; + } + return 0; +} + static int get_sha1_1(const char *name, int len, unsigned char *sha1); static int get_sha1_basic(const char *str, int len, unsigned char *sha1) @@@ -356,10 -339,8 +355,10 @@@ if (len && str[len-1] == '}') { for (at = len-2; at >= 0; at--) { if (str[at] == '@' && str[at+1] == '{') { - reflog_len = (len-1) - (at+2); - len = at; + if (!upstream_mark(str + at, len - at)) { + reflog_len = (len-1) - (at+2); + len = at; + } break; } } @@@ -399,10 -380,6 +398,10 @@@ unsigned long co_time; int co_tz, co_cnt; + /* a @{-N} placed anywhere except the start is an error */ + if (str[at+2] == '-') + return -1; + /* Is it asking for N-th entry, or approxidate? */ for (i = nth = 0; 0 <= nth && i < reflog_len; i++) { char ch = str[at+2+i]; @@@ -765,10 -742,17 +764,10 @@@ static int grab_nth_branch_switch(unsig } /* - * This reads "@{-N}" syntax, finds the name of the Nth previous - * branch we were on, and places the name of the branch in the given - * buf and returns the number of characters parsed if successful. - * - * If the input is not of the accepted format, it returns a negative - * number to signal an error. - * - * If the input was ok but there are not N branch switches in the - * reflog, it returns 0. + * Parse @{-N} syntax, return the number of characters parsed + * if successful; otherwise signal an error with negative value. */ -int interpret_branch_name(const char *name, struct strbuf *buf) +static int interpret_nth_prior_checkout(const char *name, struct strbuf *buf) { long nth; int i, retval; @@@ -812,122 -796,6 +811,122 @@@ release_return return retval; } +int get_sha1_mb(const char *name, unsigned char *sha1) +{ + struct commit *one, *two; + struct commit_list *mbs; + unsigned char sha1_tmp[20]; + const char *dots; + int st; + + dots = strstr(name, "..."); + if (!dots) + return get_sha1(name, sha1); + if (dots == name) + st = get_sha1("HEAD", sha1_tmp); + else { + struct strbuf sb; + strbuf_init(&sb, dots - name); + strbuf_add(&sb, name, dots - name); + st = get_sha1(sb.buf, sha1_tmp); + strbuf_release(&sb); + } + if (st) + return st; + one = lookup_commit_reference_gently(sha1_tmp, 0); + if (!one) + return -1; + + if (get_sha1(dots[3] ? (dots + 3) : "HEAD", sha1_tmp)) + return -1; + two = lookup_commit_reference_gently(sha1_tmp, 0); + if (!two) + return -1; + mbs = get_merge_bases(one, two, 1); + if (!mbs || mbs->next) + st = -1; + else { + st = 0; + hashcpy(sha1, mbs->item->object.sha1); + } + free_commit_list(mbs); + return st; +} + +/* + * This reads short-hand syntax that not only evaluates to a commit + * object name, but also can act as if the end user spelled the name + * of the branch from the command line. + * + * - "@{-N}" finds the name of the Nth previous branch we were on, and + * places the name of the branch in the given buf and returns the + * number of characters parsed if successful. + * + * - "@{upstream}" finds the name of the other ref that + * is configured to merge with (missing defaults + * to the current branch), and places the name of the branch in the + * given buf and returns the number of characters parsed if + * successful. + * + * If the input is not of the accepted format, it returns a negative + * number to signal an error. + * + * If the input was ok but there are not N branch switches in the + * reflog, it returns 0. + */ +int interpret_branch_name(const char *name, struct strbuf *buf) +{ + char *cp; + struct branch *upstream; + int namelen = strlen(name); + int len = interpret_nth_prior_checkout(name, buf); + int tmp_len; + + if (!len) + return len; /* syntax Ok, not enough switches */ + if (0 < len && len == namelen) + return len; /* consumed all */ + else if (0 < len) { + /* we have extra data, which might need further processing */ + struct strbuf tmp = STRBUF_INIT; + int used = buf->len; + int ret; + + strbuf_add(buf, name + len, namelen - len); + ret = interpret_branch_name(buf->buf, &tmp); + /* that data was not interpreted, remove our cruft */ + if (ret < 0) { + strbuf_setlen(buf, used); + return len; + } + strbuf_reset(buf); + strbuf_addbuf(buf, &tmp); + strbuf_release(&tmp); + /* tweak for size of {-N} versus expanded ref name */ + return ret - used + len; + } + + cp = strchr(name, '@'); + if (!cp) + return -1; + tmp_len = upstream_mark(cp, namelen - (cp - name)); + if (!tmp_len) + return -1; + len = cp + tmp_len - name; + cp = xstrndup(name, cp - name); + upstream = branch_get(*cp ? cp : NULL); + if (!upstream + || !upstream->merge + || !upstream->merge[0]->dst) + return error("No upstream branch found for '%s'", cp); + free(cp); + cp = shorten_unambiguous_ref(upstream->merge[0]->dst, 0); + strbuf_reset(buf); + strbuf_addstr(buf, cp); + free(cp); + return len; +} + /* * This is like "get_sha1_basic()", except it allows "sha1 expressions", * notably "xyz^" for "parent of xyz" @@@ -938,96 -806,7 +937,96 @@@ int get_sha1(const char *name, unsigne return get_sha1_with_mode(name, sha1, &unused); } -int get_sha1_with_mode(const char *name, unsigned char *sha1, unsigned *mode) +/* Must be called only when object_name:filename doesn't exist. */ +static void diagnose_invalid_sha1_path(const char *prefix, + const char *filename, + const unsigned char *tree_sha1, + const char *object_name) +{ + struct stat st; + unsigned char sha1[20]; + unsigned mode; + + if (!prefix) + prefix = ""; + + if (!lstat(filename, &st)) + die("Path '%s' exists on disk, but not in '%s'.", + filename, object_name); + if (errno == ENOENT || errno == ENOTDIR) { + char *fullname = xmalloc(strlen(filename) + + strlen(prefix) + 1); + strcpy(fullname, prefix); + strcat(fullname, filename); + + if (!get_tree_entry(tree_sha1, fullname, + sha1, &mode)) { + die("Path '%s' exists, but not '%s'.\n" + "Did you mean '%s:%s'?", + fullname, + filename, + object_name, + fullname); + } + die("Path '%s' does not exist in '%s'", + filename, object_name); + } +} + +/* Must be called only when :stage:filename doesn't exist. */ +static void diagnose_invalid_index_path(int stage, + const char *prefix, + const char *filename) +{ + struct stat st; + struct cache_entry *ce; + int pos; + unsigned namelen = strlen(filename); + unsigned fullnamelen; + char *fullname; + + if (!prefix) + prefix = ""; + + /* Wrong stage number? */ + pos = cache_name_pos(filename, namelen); + if (pos < 0) + pos = -pos - 1; + ce = active_cache[pos]; + if (ce_namelen(ce) == namelen && + !memcmp(ce->name, filename, namelen)) + die("Path '%s' is in the index, but not at stage %d.\n" + "Did you mean ':%d:%s'?", + filename, stage, + ce_stage(ce), filename); + + /* Confusion between relative and absolute filenames? */ + fullnamelen = namelen + strlen(prefix); + fullname = xmalloc(fullnamelen + 1); + strcpy(fullname, prefix); + strcat(fullname, filename); + pos = cache_name_pos(fullname, fullnamelen); + if (pos < 0) + pos = -pos - 1; + ce = active_cache[pos]; + if (ce_namelen(ce) == fullnamelen && + !memcmp(ce->name, fullname, fullnamelen)) + die("Path '%s' is in the index, but not '%s'.\n" + "Did you mean ':%d:%s'?", + fullname, filename, + ce_stage(ce), fullname); + + if (!lstat(filename, &st)) + die("Path '%s' exists on disk, but not in the index.", filename); + if (errno == ENOENT || errno == ENOTDIR) + die("Path '%s' does not exist (neither on disk nor in the index).", + filename); + + free(fullname); +} + + +int get_sha1_with_mode_1(const char *name, unsigned char *sha1, unsigned *mode, int gently, const char *prefix) { int ret, bracket_depth; int namelen = strlen(name); @@@ -1073,8 -852,6 +1072,8 @@@ } pos++; } + if (!gently) + diagnose_invalid_index_path(stage, prefix, cp); return -1; } for (cp = name, bracket_depth = 0; *cp; cp++) { @@@ -1087,25 -864,9 +1086,25 @@@ } if (*cp == ':') { unsigned char tree_sha1[20]; - if (!get_sha1_1(name, cp-name, tree_sha1)) - return get_tree_entry(tree_sha1, cp+1, sha1, - mode); + char *object_name = NULL; + if (!gently) { + object_name = xmalloc(cp-name+1); + strncpy(object_name, name, cp-name); + object_name[cp-name] = '\0'; + } + if (!get_sha1_1(name, cp-name, tree_sha1)) { + const char *filename = cp+1; + ret = get_tree_entry(tree_sha1, filename, sha1, mode); + if (!gently) { + diagnose_invalid_sha1_path(prefix, filename, + tree_sha1, object_name); + free(object_name); + } + return ret; + } else { + if (!gently) + die("Invalid object name '%s'.", object_name); + } } return ret; }