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command-not-found: handle multiple matches at same length

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This commit is contained in:
Fredrik Fornwall 2015-07-13 19:50:44 -04:00
parent 3cc4ef712e
commit 6ee3449e0c
2 changed files with 24 additions and 2 deletions
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2
packages/command-not-found/build.sh
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@ -1,6 +1,6 @@
TERMUX_PKG_HOMEPAGE=http://termux.com
TERMUX_PKG_DESCRIPTION="List of commands available for installation"
TERMUX_PKG_VERSION=0.1
TERMUX_PKG_VERSION=0.2
termux_step_make_install () {
TERMUX_SHARE_DIR=$TERMUX_PREFIX/share/termux

24
packages/command-not-found/command-not-found.c
View File

@ -72,7 +72,29 @@ int main(int argc, char** argv) {
printf("%s: command not found\n", command_not_found);
} else {
printf("No command '%s' found, did you mean:\n", command_not_found);
printf(" Command '%s' from package '%s'\n", best_command_guess, best_package_guess);
if (guesses_at_best_distance == 1) {
// Only one suggestion - show it:
printf(" Command '%s' from package '%s'\n", best_command_guess, best_package_guess);
} else {
// Multiple suggestions at the same distance - show them all:
rewind(commands_file);
while (true) {
size_t buffer_length = sizeof(current_line);
ssize_t read_bytes = getline(&current_line, &buffer_length, commands_file);
if (read_bytes <= 1) break;
size_t line_length = strlen(current_line);
current_line[line_length-1] = 0;
if (current_line[0] == ' ') { // Binary
char* binary_name = current_line + 1;
int distance = termux_levenshtein_distance(command_not_found, binary_name);
if (best_distance == distance) {
printf(" Command '%s' from package '%s'\n", binary_name, current_package);
}
} else { // Package
strncpy(current_package, current_line, sizeof(current_package));
}
}
}
}
}