$ pacman -Uh options: -b, --dbpath <path> set an alternate database location -d, --nodeps skip dependency checks -f, --force force install, overwrite conflicting files -k, --dbonly only modify database entries, not package files -r, --root <path> set an alternate installation root -v, --verbose be verbose --arch <arch> set an alternate architecture --asdeps install packages as non-explicitly installed --asexplicit install packages as explicitly installed --cachedir <dir> set an alternate package cache location --config <path> set an alternate configuration file --debug display debug messages --ignore <pkg> ignore a package upgrade (can be used more than once) --ignoregroup <grp> ignore a group upgrade (can be used more than once) --logfile <path> set an alternate log file --noconfirm do not ask for any confirmation --noprogressbar do not show a progress bar when downloading files --noscriptlet do not execute the install scriptlet if one exists --print only print the targets instead of performing the operation --print-format <string> specify how the targets should be printed Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com> --- src/pacman/pacman.c | 39 ++++++++++++++++++++++++++++++++++++++- 1 files changed, 38 insertions(+), 1 deletions(-) diff --git a/src/pacman/pacman.c b/src/pacman/pacman.c index 7d51124..38d7f6a 100644 --- a/src/pacman/pacman.c +++ b/src/pacman/pacman.c @@ -26,8 +26,10 @@ #define PACKAGE_VERSION GIT_VERSION #endif +#include <assert.h> #include <stdlib.h> /* atoi */ #include <stdio.h> +#include <ctype.h> /* isspace */ #include <limits.h> #include <getopt.h> #include <string.h> @@ -59,6 +61,41 @@ pmdb_t *db_local; /* list of targets specified on command line */ static alpm_list_t *pm_targets; +/* Used to sort the options in --help */ +static int options_cmp(const void *p1, const void *p2) +{ + const char *s1 = p1; + const char *s2 = p2; + + assert(s1); + assert(s2); + /* First skip all spaces in both strings */ + while(isspace((unsigned char)*s1)) + s1++; + while(isspace((unsigned char)*s2)) + s2++; + /* If we compare a long option (--abcd) and a short one (-a), + * the short one always wins */ + if(*s1 == '-' && *s2 == '-') { + s1++; + s2++; + if(*s1 == '-' && *s2 == '-') { + /* two long -> strcmp */ + s1++; + s2++; + } else if(*s2 == '-') { + /* s1 short, s2 long */ + return(-1); + } else if(*s1 == '-') { + /* s1 long, s2 short */ + return(1); + } + /* two short -> strcmp */ + } + + return(strcmp(s1, s2)); +} + /** Display usage/syntax for the specified operation. * @param op the operation code requested * @param myname basename(argv[0]) @@ -166,7 +203,7 @@ static void usage(int op, const char * const myname) addlist(_(" --logfile <path> set an alternate log file\n")); addlist(_(" --noconfirm do not ask for any confirmation\n")); } - list = alpm_list_msort(list, alpm_list_count(list), str_cmp); + list = alpm_list_msort(list, alpm_list_count(list), options_cmp); for (i = list; i; i = alpm_list_next(i)) { printf("%s", (char *)alpm_list_getdata(i)); } -- 1.7.3.1