mirror of
https://github.com/neovim/neovim.git
synced 2025-09-25 20:48:32 +00:00
vim-patch:8.0.1469: when package path is a symlink 'runtimepath' is wrong
Problem: When package path is a symlink adding it to 'runtimepath' happens
at the end.
Solution: Do not resolve symlinks before locating the position in
'runtimepath'. (Ozaki Kiichi, closes vim/vim#2604)
2374faae11
This commit is contained in:
James McCoy
@@ -2536,6 +2536,146 @@ static void source_all_matches(char_u *pat)
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}
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}
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/// Add the package directory to 'runtimepath'
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static int add_pack_dir_to_rtp(char_u *fname)
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{
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char_u *p4, *p3, *p2, *p1, *p;
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char_u *buf = NULL;
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char *afterdir = NULL;
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int retval = FAIL;
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p4 = p3 = p2 = p1 = get_past_head(fname);
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for (p = p1; *p; MB_PTR_ADV(p)) {
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if (vim_ispathsep_nocolon(*p)) {
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p4 = p3; p3 = p2; p2 = p1; p1 = p;
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}
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}
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// now we have:
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// rtp/pack/name/start/name
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// p4 p3 p2 p1
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//
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// find the part up to "pack" in 'runtimepath'
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p4++; // append pathsep in order to expand symlink
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char_u c = *p4;
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*p4 = NUL;
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char *const ffname = fix_fname((char *)fname);
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*p4 = c;
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if (ffname == NULL) {
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return FAIL;
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}
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// Find "ffname" in "p_rtp", ignoring '/' vs '\' differences
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size_t fname_len = strlen(ffname);
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const char *insp = (const char *)p_rtp;
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buf = try_malloc(MAXPATHL);
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if (buf == NULL) {
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goto theend;
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}
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while (*insp != NUL) {
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copy_option_part((char_u **)&insp, buf, MAXPATHL, ",");
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add_pathsep((char *)buf);
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char *const rtp_ffname = fix_fname((char *)buf);
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if (rtp_ffname == NULL) {
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goto theend;
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}
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bool match = path_fnamencmp(rtp_ffname, ffname, fname_len) == 0;
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xfree(rtp_ffname);
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if (match) {
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break;
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}
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}
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if (*insp == NUL) {
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// not found, append at the end
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insp = (const char *)p_rtp + STRLEN(p_rtp);
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} else {
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// append after the matching directory.
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insp--;
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}
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// check if rtp/pack/name/start/name/after exists
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afterdir = concat_fnames((char *)fname, "after", true);
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size_t afterlen = 0;
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if (os_isdir((char_u *)afterdir)) {
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afterlen = strlen(afterdir) + 1; // add one for comma
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}
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const size_t oldlen = STRLEN(p_rtp);
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const size_t addlen = STRLEN(fname) + 1; // add one for comma
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const size_t new_rtp_len = oldlen + addlen + afterlen + 1;
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// add one for NUL -------------------------------------^
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char *const new_rtp = try_malloc(new_rtp_len);
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if (new_rtp == NULL) {
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goto theend;
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}
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const size_t keep = (size_t)(insp - (const char *)p_rtp);
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size_t new_rtp_fill = 0;
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memmove(new_rtp, p_rtp, keep);
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new_rtp_fill += keep;
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new_rtp[new_rtp_fill++] = ',';
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memmove(new_rtp + new_rtp_fill, fname, addlen);
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new_rtp_fill += addlen - 1;
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assert(new_rtp[new_rtp_fill] == NUL || new_rtp[new_rtp_fill] == ',');
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if (p_rtp[keep] != NUL) {
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memmove(new_rtp + new_rtp_fill, p_rtp + keep, oldlen - keep + 1);
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new_rtp_fill += oldlen - keep;
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}
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if (afterlen > 0) {
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assert(new_rtp[new_rtp_fill] == NUL);
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new_rtp[new_rtp_fill++] = ',';
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memmove(new_rtp + new_rtp_fill, afterdir, afterlen - 1);
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new_rtp_fill += afterlen - 1;
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}
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new_rtp[new_rtp_fill] = NUL;
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set_option_value("rtp", 0L, new_rtp, 0);
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xfree(new_rtp);
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retval = OK;
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theend:
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xfree(buf);
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xfree(ffname);
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xfree(afterdir);
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return retval;
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}
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/// Load scripts in "plugin" and "ftdetect" directories of the package.
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static int load_pack_plugin(char_u *fname)
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{
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static const char *plugpat = "%s/plugin/**/*.vim"; // NOLINT
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static const char *ftpat = "%s/ftdetect/*.vim"; // NOLINT
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int retval = FAIL;
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char *const ffname = fix_fname((char *)fname);
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size_t len = strlen(ffname) + STRLEN(ftpat);
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char_u *pat = try_malloc(len + 1);
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if (pat == NULL) {
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goto theend;
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}
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vim_snprintf((char *)pat, len, plugpat, ffname);
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source_all_matches(pat);
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char_u *cmd = vim_strsave((char_u *)"g:did_load_filetypes");
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// If runtime/filetype.vim wasn't loaded yet, the scripts will be
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// found when it loads.
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if (eval_to_number(cmd) > 0) {
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do_cmdline_cmd("augroup filetypedetect");
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vim_snprintf((char *)pat, len, ftpat, ffname);
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source_all_matches(pat);
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do_cmdline_cmd("augroup END");
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}
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xfree(cmd);
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xfree(pat);
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retval = OK;
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theend:
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xfree(ffname);
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return retval;
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}
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// used for "cookie" of add_pack_plugin()
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static int APP_ADD_DIR;
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static int APP_LOAD;
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@@ -2543,130 +2683,16 @@ static int APP_BOTH;
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static void add_pack_plugin(char_u *fname, void *cookie)
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{
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char_u *p4, *p3, *p2, *p1, *p;
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char_u *buf = NULL;
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char *const ffname = fix_fname((char *)fname);
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if (ffname == NULL) {
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return;
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}
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if (cookie != &APP_LOAD && strstr((char *)p_rtp, ffname) == NULL) {
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if (cookie != &APP_LOAD && strstr((char *)p_rtp, (char *)fname) == NULL) {
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// directory is not yet in 'runtimepath', add it
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p4 = p3 = p2 = p1 = get_past_head((char_u *)ffname);
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for (p = p1; *p; MB_PTR_ADV(p)) {
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if (vim_ispathsep_nocolon(*p)) {
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p4 = p3; p3 = p2; p2 = p1; p1 = p;
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}
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if (add_pack_dir_to_rtp(fname) == FAIL) {
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return;
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}
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// now we have:
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// rtp/pack/name/start/name
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// p4 p3 p2 p1
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//
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// find the part up to "pack" in 'runtimepath'
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char_u c = *p4;
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*p4 = NUL;
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// Find "ffname" in "p_rtp", ignoring '/' vs '\' differences
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size_t fname_len = strlen(ffname);
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const char *insp = (const char *)p_rtp;
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buf = try_malloc(MAXPATHL);
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if (buf == NULL) {
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goto theend;
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}
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while (*insp != NUL) {
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copy_option_part((char_u **)&insp, buf, MAXPATHL, ",");
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add_pathsep((char *)buf);
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char *const rtp_ffname = fix_fname((char *)buf);
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if (rtp_ffname == NULL) {
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goto theend;
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}
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bool match = path_fnamencmp(rtp_ffname, ffname, fname_len) == 0;
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xfree(rtp_ffname);
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if (match) {
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break;
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}
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}
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if (*insp == NUL) {
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// not found, append at the end
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insp = (const char *)p_rtp + STRLEN(p_rtp);
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} else {
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// append after the matching directory.
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insp--;
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}
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*p4 = c;
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// check if rtp/pack/name/start/name/after exists
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char *afterdir = concat_fnames(ffname, "after", true);
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size_t afterlen = 0;
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if (os_isdir((char_u *)afterdir)) {
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afterlen = strlen(afterdir) + 1; // add one for comma
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}
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const size_t oldlen = STRLEN(p_rtp);
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const size_t addlen = strlen(ffname) + 1; // add one for comma
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const size_t new_rtp_len = oldlen + addlen + afterlen + 1;
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// add one for NUL -------------------------------------^
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char *const new_rtp = try_malloc(new_rtp_len);
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if (new_rtp == NULL) {
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goto theend;
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}
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const size_t keep = (size_t)(insp - (const char *)p_rtp);
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size_t new_rtp_fill = 0;
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memmove(new_rtp, p_rtp, keep);
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new_rtp_fill += keep;
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new_rtp[new_rtp_fill++] = ',';
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memmove(new_rtp + new_rtp_fill, ffname, addlen);
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new_rtp_fill += addlen - 1;
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assert(new_rtp[new_rtp_fill] == NUL || new_rtp[new_rtp_fill] == ',');
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if (p_rtp[keep] != NUL) {
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memmove(new_rtp + new_rtp_fill, p_rtp + keep, oldlen - keep + 1);
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new_rtp_fill += oldlen - keep;
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}
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if (afterlen > 0) {
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assert(new_rtp[new_rtp_fill] == NUL);
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new_rtp[new_rtp_fill++] = ',';
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memmove(new_rtp + new_rtp_fill, afterdir, afterlen - 1);
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new_rtp_fill += afterlen - 1;
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}
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new_rtp[new_rtp_fill] = NUL;
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set_option_value("rtp", 0L, new_rtp, 0);
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xfree(new_rtp);
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xfree(afterdir);
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}
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if (cookie != &APP_ADD_DIR) {
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static const char *plugpat = "%s/plugin/**/*.vim"; // NOLINT
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static const char *ftpat = "%s/ftdetect/*.vim"; // NOLINT
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size_t len = strlen(ffname) + STRLEN(ftpat);
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char_u *pat = try_malloc(len + 1);
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if (pat == NULL) {
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goto theend;
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}
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vim_snprintf((char *)pat, len, plugpat, ffname);
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source_all_matches(pat);
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char_u *cmd = vim_strsave((char_u *)"g:did_load_filetypes");
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// If runtime/filetype.vim wasn't loaded yet, the scripts will be
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// found when it loads.
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if (eval_to_number(cmd) > 0) {
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do_cmdline_cmd("augroup filetypedetect");
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vim_snprintf((char *)pat, len, ftpat, ffname);
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source_all_matches(pat);
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do_cmdline_cmd("augroup END");
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}
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xfree(cmd);
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xfree(pat);
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load_pack_plugin(fname);
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}
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theend:
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xfree(buf);
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xfree(ffname);
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}
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/// Add all packages in the "start" directory to 'runtimepath'.
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