I have made the following changes intended for : CE:Adaptation:N950-N9 / hardlink
Please review and accept or decline. BOSS has already run some checks on this request. See the "Messages from BOSS" section below. https://build.pub.meego.com//request/show/4731 Thank You, marquiz [This message was auto-generated] --- Request # 4731: Messages from BOSS: State: review at 2012-04-13T06:10:08 by bossbot Reviews: accepted by bossbot : Prechecks succeeded. new for CE-maintainers : Please replace this text with a review and approve/reject the review (not the SR). BOSS will take care of the rest Changes: submit: home:marquiz:n950 / hardlink -> CE:Adaptation:N950-N9 / hardlink changes files: -------------- ++++++ new changes file: --- hardlink.changes +++ hardlink.changes @@ -0,0 +1,11 @@ +* Sun Mar 07 2010 Anas Nashif <[email protected]> - 1.0 +- Remove epoch + +* Mon Feb 22 2010 Anas Nashif <[email protected]> - 1.0 +- Update Group + +* Tue Feb 16 2010 Anas Nashif <[email protected]> - 1.0 +- Updated yaml and sanitized spec + +* Wed Aug 12 2009 Anas Nashif <[email protected]> - 1.0 +- Initial import into Moblin new: ---- Makefile hardlink.1 hardlink.c hardlink.changes hardlink.spec hardlink.yaml spec files: ----------- ++++++ new spec file: --- hardlink.spec +++ hardlink.spec @@ -0,0 +1,72 @@ +# +# Do NOT Edit the Auto-generated Part! +# Generated by: spectacle version 0.22 +# +# >> macros +# << macros + +Name: hardlink +Summary: Create a tree of hardlinks +Version: 1.0 +Release: 9 +Group: System/Base +License: GPL+ +URL: http://cvs.fedora.redhat.com/viewcvs/devel/hardlink/ +Source0: hardlink.c +Source1: hardlink.1 +Source2: Makefile +Source100: hardlink.yaml + + +%description +hardlink is used to create a tree of hard links. +It's used by kernel installation to dramatically reduce the +amount of diskspace used by each kernel package installed. + + + + +%prep +%setup -q -c -T + +# >> setup +install -pm 644 %{SOURCE0} hardlink.c +# << setup + +%build +# >> build pre +# << build pre + + + +# >> build post +gcc $RPM_OPT_FLAGS hardlink.c -o hardlink + + +# << build post +%install +rm -rf %{buildroot} +# >> install pre +# << install pre + +# >> install post +rm -rf $RPM_BUILD_ROOT +install -D -m 644 %{SOURCE1} $RPM_BUILD_ROOT%{_mandir}/man1/hardlink.1 +install -D -m 755 hardlink $RPM_BUILD_ROOT%{_sbindir}/hardlink + + +# << install post + + + + + + +%files +%defattr(-,root,root,-) +# >> files +%{_sbindir}/hardlink +%doc %{_mandir}/man1/hardlink.1* +# << files + + other changes: -------------- ++++++ Makefile (new) --- Makefile +++ Makefile @@ -0,0 +1,6 @@ +PKG_NAME := hardlink +SPECFILE = $(addsuffix .spec, $(PKG_NAME)) +YAMLFILE = $(addsuffix .yaml, $(PKG_NAME)) + +include /usr/share/packaging-tools/Makefile.common + ++++++ hardlink.1 (new) --- hardlink.1 +++ hardlink.1 @@ -0,0 +1,41 @@ +.TH "hardlink" "1" +.SH "NAME" +hardlink \- Consolidate duplicate files via hardlinks +.SH "SYNOPSIS" +.PP +\fBhardlink\fP [\fB-c\fP] [\fB-n\fP] [\fB-v\fP] [\fB-vv\fP] [\fB-h\fP] directory1 [ directory2 ... ] +.SH "DESCRIPTION" +.PP +This manual page documents \fBhardlink\fP, a +program which consolidates duplicate files in one or more directories +using hardlinks. +.PP +\fBhardlink\fP traverses one +or more directories searching for duplicate files. When it finds duplicate +files, it uses one of them as the master. It then removes all other +duplicates and places a hardlink for each one pointing to the master file. +This allows for conservation of disk space where multiple directories +on a single filesystem contain many duplicate files. +.PP +Since hard links can only span a single filesystem, \fBhardlink\fP +is only useful when all directories specified are on the same filesystem. +.SH "OPTIONS" +.PP +.IP "\fB-c\fP" 10 +Compare only the contents of the files being considered for consolidation. +Disregards permission, ownership and other differences. +.IP "\fB-n\fP" 10 +Do not perform the consolidation; only print what would be changed. +.IP "\fB-v\fP" 10 +Print summary after hardlinking. +.IP "\fB-vv\fP" 10 +Print every hardlinked file and bytes saved. Also print summary after hardlinking. +.IP "\fB-h\fP" 10 +Show help. +.SH "AUTHOR" +.PP +\fBhardlink\fP was written by Jakub Jelinek <[email protected]>. +.PP +Man page written by Brian Long. +.PP +Man page updated by Jindrich Novy <[email protected]> ++++++ hardlink.c (new) --- hardlink.c +++ hardlink.c @@ -0,0 +1,351 @@ +/* Copyright (C) 2001 Red Hat, Inc. + + Written by Jakub Jelinek <[email protected]>. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public + License along with this program; see the file COPYING. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* Changes by Rémy Card to use constants and add option -n. */ +/* Changes by Jindrich Novy to add option -h. */ + +#define _GNU_SOURCE +#include <sys/types.h> +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <sys/stat.h> +#include <sys/mman.h> +#include <string.h> +#include <dirent.h> +#include <fcntl.h> + +#define NHASH 131072 /* Must be a power of 2! */ +#define NAMELEN 4096 +#define NBUF 64 + +struct _f; +typedef struct _h { + struct _h *next; + struct _f *chain; + off_t size; + time_t mtime; +} h; + +typedef struct _d { + struct _d *next; + char name[0]; +} d; + +d *dirs; + +h *hps[NHASH]; + +int no_link = 0; +int verbose = 0; +int content_only = 0; + +typedef struct _f { + struct _f *next; + ino_t ino; + dev_t dev; + unsigned int cksum; + char name[0]; +} f; + +inline unsigned int hash(off_t size, time_t mtime) +{ + return (size ^ mtime) & (NHASH - 1); +} + +inline int stcmp(struct stat *st1, struct stat *st2, int content_only) +{ + if (content_only) + return st1->st_size != st2->st_size; + return st1->st_mode != st2->st_mode || st1->st_uid != st2->st_uid || + st1->st_gid != st2->st_gid || st1->st_size != st2->st_size || + st1->st_mtime != st2->st_mtime; +} + +long long ndirs, nobjects, nregfiles, nmmap, ncomp, nlinks, nsaved; + +void doexit(int i) +{ + if (verbose) { + fprintf(stderr, "\n\n"); + fprintf(stderr, "Directories %lld\n", ndirs); + fprintf(stderr, "Objects %lld\n", nobjects); + fprintf(stderr, "IFREG %lld\n", nregfiles); + fprintf(stderr, "Mmaps %lld\n", nmmap); + fprintf(stderr, "Comparisons %lld\n", ncomp); + fprintf(stderr, "%s %lld\n", (no_link ? "Would link" : "Linked"), nlinks); + fprintf(stderr, "%s %lld\n", (no_link ? "Would save" : "saved"), nsaved); + } + exit(i); +} + +void usage(char *prog) +{ + fprintf (stderr, "Usage: %s [-cnvh] directories...\n", prog); + fprintf (stderr, " -c When finding candidates for linking, compare only file contents.\n"); + fprintf (stderr, " -n Don't actually link anything, just report what would be done.\n"); + fprintf (stderr, " -v Print summary after hardlinking.\n"); + fprintf (stderr, " -vv Print every hardlinked file and bytes saved + summary.\n"); + fprintf (stderr, " -h Show help.\n"); + exit(255); +} + +unsigned int buf[NBUF]; +char nambuf1[NAMELEN], nambuf2[NAMELEN]; + +void rf (char *name) +{ + struct stat st, st2, st3; + nobjects++; + if (lstat (name, &st)) + return; + if (S_ISDIR (st.st_mode)) { + d * dp = malloc(sizeof(d) + 1 + strlen (name)); + if (!dp) { + fprintf(stderr, "\nOut of memory 3\n"); + doexit(3); + } + strcpy (dp->name, name); + dp->next = dirs; + dirs = dp; + } else if (S_ISREG (st.st_mode)) { + int fd, i; + f * fp, * fp2; + h * hp; + char *p = NULL, *q; + char *n1, *n2; + int cksumsize = sizeof(buf); + unsigned int cksum; + time_t mtime = content_only ? 0 : st.st_mtime; + unsigned int hsh = hash (st.st_size, mtime); + nregfiles++; + if (verbose > 1) + fprintf(stderr, " %s", name); + fd = open (name, O_RDONLY); + if (fd < 0) return; + if (st.st_size < sizeof(buf)) { + cksumsize = st.st_size; + memset (((char *)buf) + cksumsize, 0, (sizeof(buf) - cksumsize) % sizeof(buf[0])); + } + if (read (fd, buf, cksumsize) != cksumsize) { + close(fd); + if (verbose > 1) + fprintf(stderr, "\r%*s\r", (int)strlen(name)+2, ""); + return; + } + cksumsize = (cksumsize + sizeof(buf[0]) - 1) / sizeof(buf[0]); + for (i = 0, cksum = 0; i < cksumsize; i++) { + if (cksum + buf[i] < cksum) + cksum += buf[i] + 1; + else + cksum += buf[i]; + } + for (hp = hps[hsh]; hp; hp = hp->next) + if (hp->size == st.st_size && hp->mtime == mtime) + break; + if (!hp) { + hp = malloc(sizeof(h)); + if (!hp) { + fprintf(stderr, "\nOut of memory 1\n"); + doexit(1); + } + hp->size = st.st_size; + hp->mtime = mtime; + hp->chain = NULL; + hp->next = hps[hsh]; + hps[hsh] = hp; + } + for (fp = hp->chain; fp; fp = fp->next) + if (fp->cksum == cksum) + break; + for (fp2 = fp; fp2 && fp2->cksum == cksum; fp2 = fp2->next) + if (fp2->ino == st.st_ino && fp2->dev == st.st_dev) { + close(fd); + if (verbose > 1) + fprintf(stderr, "\r%*s\r", (int)strlen(name)+2, ""); + return; + } + if (fp && st.st_size > 0) { + p = mmap (NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0); + nmmap++; + if (p == (void *)-1) { + close(fd); + fprintf(stderr, "\nFailed to mmap %s\n", name); + return; + } + } + for (fp2 = fp; fp2 && fp2->cksum == cksum; fp2 = fp2->next) + if (!lstat (fp2->name, &st2) && S_ISREG (st2.st_mode) && + !stcmp (&st, &st2, content_only) && + st2.st_ino != st.st_ino && + st2.st_dev == st.st_dev) { + int fd2 = open (fp2->name, O_RDONLY); + if (fd2 < 0) continue; (152 more lines skipped) ++++++ hardlink.yaml (new) --- hardlink.yaml +++ hardlink.yaml @@ -0,0 +1,19 @@ +Name: hardlink +Summary: Create a tree of hardlinks +Version: 1.0 +Release: 9 +Group: System/Base +License: GPL+ +URL: http://cvs.fedora.redhat.com/viewcvs/devel/hardlink/ +Sources: + - hardlink.c + - hardlink.1 + - Makefile +Description: | + hardlink is used to create a tree of hard links. + It's used by kernel installation to dramatically reduce the + amount of diskspace used by each kernel package installed. + +SetupOptions: "-q -c -T" +Builder: none +Configure: none
