mirror of https://github.com/jarun/nnn.git
Plugin mimelist: support reading file list from (cmd as) plugin
This commit is contained in:
Arun Prakash Jana
parent
e8e87f6ba2
commit
eee5057da5
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@ -29,7 +29,7 @@ nnn_cd () {
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read -r context
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fi
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printf "%s" "${context:-0}$dir" > "$NNN_PIPE"
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printf "%s" "${context:-0}c$dir" > "$NNN_PIPE"
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}
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cmd_exists () {
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@ -47,6 +47,7 @@ Plugins are installed to `${XDG_CONFIG_HOME:-$HOME/.config}/nnn/plugins`.
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| kdeconnect | Send selected files to an Android device | sh | kdeconnect-cli |
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| launch | GUI application launcher | sh | fzf/fzy |
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| mediainf | Show media information | sh | mediainfo |
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| mimelist | List files by mime in subtree | sh | fd/find |
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| moclyrics | Show lyrics of the track playing in moc | sh | [ddgr](https://github.com/jarun/ddgr), [moc](http://moc.daper.net/) |
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| mocplay | Append (and/or play) selection/dir/file in moc | sh | [moc](http://moc.daper.net/) |
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| mp3conv | Extract audio from multimedia as mp3 | sh | ffmpeg |
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@ -163,8 +164,14 @@ Drop the plugin in `${XDG_CONFIG_HOME:-$HOME/.config}/nnn/plugins` and make it e
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#### Controlling `nnn`'s active directory
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`nnn` provides a mechanism for plugins to control its active directory.
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The way to do so is by writing to the pipe pointed by the environment variable `NNN_PIPE`.
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The plugin should write a single string in the format `<number><path>` without a newline at the end. For example, `1/etc`.
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The number indicates the context to change the active directory of (0 is used to indicate the current context).
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The plugin should write a single string in the format `<context number><char><path>` without a newline at the end. For example, `1c/etc`.
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The context number indicates the context to change the active directory of (0 is used to indicate the current context).
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The `<char>` indicates the operation type.
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: Char : Operation :
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|:---:| --- |
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| c | cd |
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| l | list files in list mode |
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For convenience, we provided a helper script named `.nnn-plugin-helper` and a function named `nnn_cd` to ease this process. `nnn_cd` receives the path to change to as the first argument, and the context as an optional second argument.
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If a context is not provided, it is asked for explicitly. To skip this and choose the current context, set the `CUR_CTX` variable in `.nnn-plugin-helper` to `1`.
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@ -201,7 +208,7 @@ There are many plugins provided by `nnn` which can be used as examples. Here are
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printf "cd to: "
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read -r dir
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printf "%s" "0$dir" > "$NNN_PIPE"
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printf "%s" "0c$dir" > "$NNN_PIPE"
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```
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## Contributing plugins
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@ -13,7 +13,7 @@ if which autojump >/dev/null 2>&1; then
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printf "jump to: "
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read -r dir
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odir="$(autojump "$dir")"
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printf "%s" "0$odir" > "$NNN_PIPE"
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printf "%s" "0c$odir" > "$NNN_PIPE"
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else
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printf "autojump missing"
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read -r _
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@ -25,4 +25,4 @@ else
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exit 1
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fi
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printf "%s" "0$sel" > "$NNN_PIPE"
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printf "%s" "0c$sel" > "$NNN_PIPE"
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@ -0,0 +1,21 @@
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#!/usr/bin/env sh
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# Description: Run fd/find in subtree and list files by mime type in current context
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# Requires: fd/find
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#
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# Shell: POSIX compliant
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# Author: Arun Prakash jana
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. "$(dirname "$0")"/.nnn-plugin-helper
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if [ "$(cmd_exists fd)" -eq "0" ]; then
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fd=fd
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else
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fd=find
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fi
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printf "mime: "
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read -r mime
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printf "%s" "0l" > "$NNN_PIPE"
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$fd | file -if- | grep "$mime" | awk -F: '{printf "%s\0", $1}' > "$NNN_PIPE"
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120
src/nnn.c
120
src/nnn.c
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@ -514,8 +514,9 @@ static char * const utils[] = {
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#define MSG_RM_TMP 40
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#define MSG_NOCHNAGE 41
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#define MSG_CANCEL 42
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#define MSG_0_ENTRIES 43
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#ifndef DIR_LIMITED_SELECTION
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#define MSG_DIR_CHANGED 43 /* Must be the last entry */
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#define MSG_DIR_CHANGED 44 /* Must be the last entry */
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#endif
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static const char * const messages[] = {
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@ -562,6 +563,7 @@ static const char * const messages[] = {
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"unchanged",
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"cancelled",
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"first file (\')/char?",
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"0 entries",
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#ifndef DIR_LIMITED_SELECTION
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"dir changed, range sel off", /* Must be the last entry */
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#endif
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@ -691,6 +693,7 @@ static inline bool getutil(char *util);
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static size_t mkpath(const char *dir, const char *name, char *out);
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static char *xgetenv(const char *name, char *fallback);
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static bool plugscript(const char *plugin, const char *path, uchar flags);
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static char *load_input(int fd, char *path);
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/* Functions */
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@ -4218,11 +4221,72 @@ static bool plctrl_init(void)
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return _SUCCESS;
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}
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static void rmlistpath()
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{
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if (listpath) {
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DPRINTF_S(__FUNCTION__);
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DPRINTF_S(initpath);
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spawn("rm -rf", initpath, NULL, NULL, F_NOTRACE | F_MULTI);
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listpath = NULL;
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}
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}
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static void readpipe(int fd, char **path, char **lastname, char **lastdir)
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{
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char *nextpath = NULL;
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ssize_t len = read(fd, g_buf, 1);
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if (len != 1)
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return;
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char ctx = g_buf[0] - '0';
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if (ctx > CTX_MAX)
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return;
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len = read(fd, g_buf, 1);
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if (len != 1)
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return;
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char op = g_buf[0];
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if (op == 'c') {
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len = read(fd, g_buf, PATH_MAX);
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if (len <= 0)
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return;
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nextpath = g_buf;
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} else if (op == 'l') {
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/* Remove last list mode path, if any */
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rmlistpath();
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nextpath = load_input(fd, *path);
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if (nextpath) {
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free(initpath);
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initpath = nextpath;
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DPRINTF_S(initpath);
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}
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}
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if (nextpath) {
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if (ctx == 0 || ctx == cfg.curctx + 1) {
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xstrsncpy(*lastdir, *path, PATH_MAX);
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xstrsncpy(*path, nextpath, PATH_MAX);
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} else {
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int r = ctx - 1;
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g_ctx[r].c_cfg.ctxactive = 0;
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savecurctx(&cfg, nextpath, dents[cur].name, r);
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*path = g_ctx[r].c_path;
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*lastdir = g_ctx[r].c_last;
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*lastname = g_ctx[r].c_name;
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}
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}
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}
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static bool run_selected_plugin(char **path, const char *file, char *runfile, char **lastname, char **lastdir)
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{
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int fd;
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size_t len;
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if (!(g_states & STATE_PLUGIN_INIT)) {
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plctrl_init();
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g_states |= STATE_PLUGIN_INIT;
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@ -4248,27 +4312,9 @@ static bool run_selected_plugin(char **path, const char *file, char *runfile, ch
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spawn(g_buf, NULL, *path, *path, F_NORMAL);
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}
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len = read(fd, g_buf, PATH_MAX);
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g_buf[len] = '\0';
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readpipe(fd, path, lastname, lastdir);
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close(fd);
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if (len > 1) {
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int ctx = g_buf[0] - '0';
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if (ctx == 0 || ctx == cfg.curctx + 1) {
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xstrsncpy(*lastdir, *path, PATH_MAX);
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xstrsncpy(*path, g_buf + 1, PATH_MAX);
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} else if (ctx >= 1 && ctx <= CTX_MAX) {
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int r = ctx - 1;
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g_ctx[r].c_cfg.ctxactive = 0;
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savecurctx(&cfg, g_buf + 1, dents[cur].name, r);
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*path = g_ctx[r].c_path;
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*lastdir = g_ctx[r].c_last;
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*lastname = g_ctx[r].c_name;
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}
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}
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return TRUE;
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}
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@ -6318,7 +6364,7 @@ static char *make_tmp_tree(char **paths, ssize_t entries, const char *prefix)
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struct stat sb;
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char *slash, *tmp;
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ssize_t len = xstrlen(prefix);
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char *tmpdir = malloc(sizeof(char) * (PATH_MAX + TMP_LEN_MAX));
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char *tmpdir = malloc(PATH_MAX);
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if (!tmpdir) {
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DPRINTF_S(strerror(errno));
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@ -6377,7 +6423,7 @@ static char *make_tmp_tree(char **paths, ssize_t entries, const char *prefix)
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return tmpdir;
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}
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static char *load_input()
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static char *load_input(int fd, char *path)
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{
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/* 512 KiB chunk size */
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ssize_t i, chunk_count = 1, chunk = 512 * 1024, entries = 0;
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@ -6392,13 +6438,16 @@ static char *load_input()
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return NULL;
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}
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if (!getcwd(cwd, PATH_MAX)) {
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free(input);
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return NULL;
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}
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if (!path) {
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if (!getcwd(cwd, PATH_MAX)) {
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free(input);
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return NULL;
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}
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} else
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xstrsncpy(cwd, path, PATH_MAX);
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while (chunk_count < 512) {
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input_read = read(STDIN_FILENO, input + total_read, chunk);
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input_read = read(fd, input + total_read, chunk);
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if (input_read < 0) {
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DPRINTF_S(strerror(errno));
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goto malloc_1;
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@ -6461,7 +6510,11 @@ static char *load_input()
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DPRINTF_D(chunk_count);
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if (!entries) {
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fprintf(stderr, "0 entries\n");
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if (g_states & STATE_PLUGIN_INIT) {
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printmsg(messages[MSG_0_ENTRIES]);
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xdelay(XDELAY_INTERVAL_MS);
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} else
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fprintf(stderr, "%s\n", messages[MSG_0_ENTRIES]);
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goto malloc_1;
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}
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@ -6842,7 +6895,7 @@ int main(int argc, char *argv[])
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/* Check if we are in path list mode */
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if (!isatty(STDIN_FILENO)) {
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/* This is the same as listpath */
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initpath = load_input();
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initpath = load_input(STDIN_FILENO, NULL);
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if (!initpath)
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return _FAILURE;
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@ -7054,8 +7107,7 @@ int main(int argc, char *argv[])
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unlink(selpath);
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/* Remove tmp dir in list mode */
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if (listpath)
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spawn("rm -rf", initpath, NULL, NULL, F_NOTRACE | F_MULTI);
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rmlistpath();
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/* Free the regex */
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#ifdef PCRE
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