.bin/vcs-url

   1 #!/bin/bash
   2
   3 err() { echo "error: $*" >&2; exit 1; }
   4
   5 _cvs_url() {
   6         [[ $# -gt 1 ]] && err "accepted args: <file>[:rev1[:rev2]]"
   7
   8         # spec has the form file:rev1[:rev2]
   9         # rev2 defaults to rev1-1
  10         export IFS=:
  11         set -- $1
  12         unset IFS
  13
  14         local file=$1
  15         if [[ ! -e ${file} ]] ; then
  16                 echo "file '${file}' does not exist"
  17                 return 1
  18         fi
  19         local dir="."
  20         [[ ${file} == */* ]] && dir=${file%/*}
  21         file=${file##*/}
  22
  23         local rev2=$2
  24         if [[ -z ${rev2} ]] ; then
  25                 rev2=$(
  26                         cd ${dir}
  27                         export IFS=/
  28                         set -- $(grep /${file}/ CVS/Entries)
  29                         unset IFS
  30                         echo $3
  31                 )
  32                 if [[ ${rev2} == "0" ]] ; then
  33                         # new file
  34                         rev2="1.1"
  35                 else
  36                         # existing file, bump rev automatically
  37                         rev2="1.$((${rev2#1.}+1))"
  38                 fi
  39         fi
  40         local rev2r=${rev2#1.}
  41         local rev1=${3:-1.$((rev2r - 1))}
  42
  43         local cvsroot=$(<${dir}/CVS/Repository)
  44         if [[ ${cvsroot} == gentoo-x86* ]] ; then
  45                 cvsroot=${cvsroot#gentoo-x86}
  46                 cvsroot=${cvsroot#/}
  47         fi
  48
  49         local urirev
  50         [[ ${rev2} == "1.1" || ${rev1} == "${rev2}" ]] \
  51                 && urirev="?rev=${rev2}" \
  52                 || urirev="?r1=${rev1}&r2=${rev2}"
  53         echo "https://sources.gentoo.org/${cvsroot}/${file}${urirev}"
  54 }
  55 cvs_url() {
  56         local f
  57         for f in "$@" ; do
  58                 _cvs_url "${f}"
  59         done
  60 }
  61
  62 git_url() {
  63         [[ $# -gt 1 ]] && err "accepted args: <rev>"
  64
  65         local repo url
  66         local remote=$(git config remote.origin.url)
  67
  68         if [[ -z ${remote} ]] ; then
  69                 # Maybe the repo doesn't use "origin".  Try harder.
  70                 local branch=$(git rev-parse --abbrev-ref HEAD)
  71                 remote=$(git config "branch.${branch}.remote")
  72                 if [[ -n ${remote} ]] ; then
  73                         remote=$(git config "remote.${remote}.url")
  74                 else
  75                         # Still try harder.
  76                         local remotes=$(git config --get-regexp 'remote\..*\.url')
  77                         if [[ -n ${remotes} ]]; then
  78                                 remote=$(echo "${remotes}" | awk '{print $2; exit}')
  79                         fi
  80                 fi
  81         fi
  82
  83         case ${remote} in
  84         *://uclibc.org/*|*://git.uclibc.org/*|\
  85         *://busybox.net/*|*://git.busybox.net/*|\
  86         *://buildroot.org/*|*://git.buildroot.org/*|\
  87         *://buildroot.net/*|*://git.buildroot.net/*)
  88                 repo=$(echo "${remote}" | sed -e 's,^[^:]*://[^/]*/,,' -e 's:[.]git$::')
  89                 url="https://git."
  90                 case ${repo} in
  91                 uclibc)    url+="uclibc.org" ;;
  92                 buildroot) url+="buildroot.org" ;;
  93                 *)         url+="busybox.net" ;;
  94                 esac
  95                 url+="/${repo}/commit/?id="
  96                 ;;
  97         *://git@git.gentoo.org/*|\
  98         *://anongit.gentoo.org/*)
  99                 repo=$(echo "${remote}" | sed 's:.*git[.a-z]*.gentoo.org/::')
 100                 url="https://gitweb.gentoo.org/${repo}/commit/?id="
 101                 ;;
 102         git@github.com[:/]*|\
 103         *://github.com/*)
 104                 repo=$(echo "${remote}" | sed -e 's,^git@github.com[:/],,' -e 's,^https://github.com/,,' -e 's,^git://github.com/,,' -e 's:[.]git$::')
 105                 url="https://github.com/${repo}/commit/"
 106                 ;;
 107         git@gitlab.com[:/]*|\
 108         *://gitlab.com/*)
 109                 repo=$(echo "${remote}" | sed -e 's,^git@gitlab.com[:/],,' -e 's,^https://gitlab.com/,,' -e 's,^git://gitlab.com/,,' -e 's:[.]git$::')
 110                 url="https://gitlab.com/${repo}/commit/"
 111                 ;;
 112         git://git.sv.gnu.org/*|git://git.savannah.gnu.org/*)
 113                 repo=$(echo "${remote}" | sed -r -e 's,^git://git.(sv|savannah).gnu.org/,,' -e 's:[.]git$::')
 114                 url="http://git.savannah.gnu.org/cgit/${repo}.git/commit/?h="
 115                 ;;
 116         git://git.sv.nongnu.org/*|git://git.savannah.nongnu.org/*)
 117                 repo=$(echo "${remote}" | sed -r -e 's,^git://git.(sv|savannah).nongnu.org/,,' -e 's:[.]git$::')
 118                 url="http://git.savannah.nongnu.org/cgit/${repo}.git/commit/?h="
 119                 ;;
 120         git://git.code.sf.net/p/*|ssh://*@git.code.sf.net/p/*)
 121                 repo=$(echo "${remote}" | sed -r -e 's,(git://|ssh://([^@]*@)?)git.code.sf.net/p/([^/]*)/.*,\3,')
 122                 url="https://sourceforge.net/p/${repo}/code/ci/"
 123                 ;;
 124         *://sourceware.org/*)
 125                 repo=$(echo "${remote}" | sed -e 's,.*/,,' -e 's,[.]git$,,')
 126                 url="https://sourceware.org/git/?p=${repo}.git;a=commit;h="
 127                 ;;
 128         *://gcc.gnu.org/*)
 129                 repo=$(echo "${remote}" | sed -e 's,.*/,,' -e 's,[.]git$,,')
 130                 url="https://gcc.gnu.org/git/?p=${repo}.git;a=commit;h="
 131                 ;;
 132         rpc://*)
 133                 url="${remote#rpc://}"
 134                 url="https://${url/\//.googlesource.com/}/+/"
 135                 ;;
 136         *.googlesource.com/*)
 137                 url="${remote%.git}/+/"
 138                 ;;
 139         *://git.enlightenment.org/*)
 140                 repo=$(echo "${remote}" | sed -e 's,^[^/]*//[^/]*/,,' -e 's,[.]git$,,')
 141                 url="https://git.enlightenment.org/${repo}.git/commit/?id="
 142                 ;;
 143         *://git.qemu.org/*)
 144                 repo=$(echo "${remote}" | sed -e 's,^[^/]*//[^/]*/,,' -e 's,[.]git$,,')
 145                 url="https://git.qemu.org/?p=${repo}.git;a=commit;h="
 146                 ;;
 147         *://git.kernel.org/*)
 148                 repo=$(echo "${remote}" | sed -e 's,^[^/]*//[^/]*/,,' -e 's,[.]git$,,')
 149                 url="https://git.kernel.org/${repo}.git/commit/?id="
 150                 ;;
 151         *)
 152                 echo "Unknown remote: '${remote}'"
 153                 exit 1
 154                 ;;
 155         esac
 156
 157         git log -n3 ${1:-HEAD} | sed "s,^commit ,${url},"
 158 }
 159
 160 svn_url() {
 161         if [[ $# -eq 0 ]] ; then
 162                 svn info | \
 163                 awk '{
 164                         if ($1 == "URL:") {
 165                                 URL = "http://sources.gentoo.org/" gensub(/.*svnroot\/([^/]*).*/, "\\1", 1);
 166                         } else if ($1 == "Revision:") {
 167                                 rev = $2
 168                                 URL = URL "?rev=" (rev + 1) "&view=rev"
 169                         }
 170                 }
 171                 END { print URL }'
 172                 return 0
 173         fi
 174
 175         local f
 176         for f in "$@" ; do
 177                 svn info "${f}" | \
 178                 awk '{
 179                         if ($1 == "URL:") {
 180                                 sub(/.*svnroot/,"")
 181                                 URL = "http://sources.gentoo.org" $1 "?"
 182                         } else if ($1 == "Revision:") {
 183                                 rev = $2
 184                                 URL = URL "r1=" rev "&r2=" (rev + 1)
 185                         }
 186                 }
 187                 END { print URL }'
 188         done
 189 }
 190
 191 usage() {
 192         exec cat <<-EOF
 193         Usage: $0 [options] [args]
 194
 195         Options:
 196           -c       CVS URL
 197           -g       GIT URL (default)
 198           -s       SVN URL
 199           -x       Trace the script
 200           -h       Help
 201         EOF
 202 }
 203
 204 main() {
 205         local vcs="auto"
 206         while [[ $# -gt 0 ]] ; do
 207                 case $1 in
 208                 -c) vcs="cvs";;
 209                 -s) vcs="svn";;
 210                 -g) vcs="git";;
 211                 -x) set -x;;
 212                 -h) usage;;
 213                 --) shift; break;;
 214                 -*) usage;;
 215                 *)  break;;
 216                 esac
 217                 shift
 218         done
 219
 220         if [[ ${vcs} == "auto" ]] ; then
 221                 if [[ -d CVS ]] ; then
 222                         vcs="cvs"
 223                 elif svn info >&/dev/null ; then
 224                         vcs="svn"
 225                 else
 226                         vcs="git"
 227                 fi
 228         fi
 229
 230         case ${vcs} in
 231         cvs) cvs_url "$@";;
 232         git) git_url "$@";;
 233         svn) svn_url "$@";;
 234         esac
 235 }
 236 main "$@"