.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                 fi
  75         fi
  76
  77         case ${remote} in
  78         *://uclibc.org/*|*://git.uclibc.org/*|\
  79         *://busybox.net/*|*://git.busybox.net/*|\
  80         *://buildroot.org/*|*://git.buildroot.org/*|\
  81         *://buildroot.net/*|*://git.buildroot.net/*)
  82                 repo=$(echo "${remote}" | sed -e 's,^[^:]*://[^/]*/,,' -e 's:[.]git$::')
  83                 url="https://git."
  84                 case ${repo} in
  85                 uclibc)    url+="uclibc.org" ;;
  86                 buildroot) url+="buildroot.org" ;;
  87                 *)         url+="busybox.net" ;;
  88                 esac
  89                 url+="/${repo}/commit/?id="
  90                 ;;
  91         *://git@git.gentoo.org/*|\
  92         *://anongit.gentoo.org/*)
  93                 repo=$(echo "${remote}" | sed 's:.*git[.a-z]*.gentoo.org/::')
  94                 url="https://gitweb.gentoo.org/${repo}/commit/?id="
  95                 ;;
  96         git@github.com[:/]*|\
  97         *://github.com/*)
  98                 repo=$(echo "${remote}" | sed -e 's,^git@github.com[:/],,' -e 's,^https://github.com/,,' -e 's,^git://github.com/,,' -e 's:[.]git$::')
  99                 url="https://github.com/${repo}/commit/"
 100                 ;;
 101         git@gitlab.com[:/]*|\
 102         *://gitlab.com/*)
 103                 repo=$(echo "${remote}" | sed -e 's,^git@gitlab.com[:/],,' -e 's,^https://gitlab.com/,,' -e 's,^git://gitlab.com/,,' -e 's:[.]git$::')
 104                 url="https://gitlab.com/${repo}/commit/"
 105                 ;;
 106         git://git.sv.gnu.org/*|git://git.savannah.gnu.org/*)
 107                 repo=$(echo "${remote}" | sed -r -e 's,^git://git.(sv|savannah).gnu.org/,,' -e 's:[.]git$::')
 108                 url="http://git.savannah.gnu.org/cgit/${repo}.git/commit/?h="
 109                 ;;
 110         git://git.sv.nongnu.org/*|git://git.savannah.nongnu.org/*)
 111                 repo=$(echo "${remote}" | sed -r -e 's,^git://git.(sv|savannah).nongnu.org/,,' -e 's:[.]git$::')
 112                 url="http://git.savannah.nongnu.org/cgit/${repo}.git/commit/?h="
 113                 ;;
 114         git://git.code.sf.net/p/*|ssh://*@git.code.sf.net/p/*)
 115                 repo=$(echo "${remote}" | sed -r -e 's,(git://|ssh://([^@]*@)?)git.code.sf.net/p/([^/]*)/.*,\3,')
 116                 url="https://sourceforge.net/p/${repo}/code/ci/"
 117                 ;;
 118         *://sourceware.org/*)
 119                 repo=$(echo "${remote}" | sed -e 's,.*/,,' -e 's,[.]git$,,')
 120                 url="https://sourceware.org/git/?p=${repo}.git;a=commit;h="
 121                 ;;
 122         *.googlesource.com/*)
 123                 url="${remote%.git}/+/"
 124                 ;;
 125         *://git.enlightenment.org/*)
 126                 repo=$(echo "${remote}" | sed -e 's,^[^/]*//[^/]*/,,' -e 's,[.]git$,,')
 127                 url="https://git.enlightenment.org/${repo}.git/commit/?id="
 128                 ;;
 129         *://git.qemu.org/*)
 130                 repo=$(echo "${remote}" | sed -e 's,^[^/]*//[^/]*/,,' -e 's,[.]git$,,')
 131                 url="https://git.qemu.org/?p=${repo}.git;a=commit;h="
 132                 ;;
 133         *://git.kernel.org/*)
 134                 repo=$(echo "${remote}" | sed -e 's,^[^/]*//[^/]*/,,' -e 's,[.]git$,,')
 135                 url="https://git.kernel.org/${repo}.git/commit/?id="
 136                 ;;
 137         *)
 138                 echo "Unknown remote: ${remote}"
 139                 exit 1
 140                 ;;
 141         esac
 142
 143         git log -n3 ${1:-HEAD} | sed "s,^commit ,${url},"
 144 }
 145
 146 svn_url() {
 147         if [[ $# -eq 0 ]] ; then
 148                 svn info | \
 149                 awk '{
 150                         if ($1 == "URL:") {
 151                                 URL = "http://sources.gentoo.org/" gensub(/.*svnroot\/([^/]*).*/, "\\1", 1);
 152                         } else if ($1 == "Revision:") {
 153                                 rev = $2
 154                                 URL = URL "?rev=" (rev + 1) "&view=rev"
 155                         }
 156                 }
 157                 END { print URL }'
 158                 return 0
 159         fi
 160
 161         local f
 162         for f in "$@" ; do
 163                 svn info "${f}" | \
 164                 awk '{
 165                         if ($1 == "URL:") {
 166                                 sub(/.*svnroot/,"")
 167                                 URL = "http://sources.gentoo.org" $1 "?"
 168                         } else if ($1 == "Revision:") {
 169                                 rev = $2
 170                                 URL = URL "r1=" rev "&r2=" (rev + 1)
 171                         }
 172                 }
 173                 END { print URL }'
 174         done
 175 }
 176
 177 usage() {
 178         exec cat <<-EOF
 179         Usage: $0 [options] [args]
 180
 181         Options:
 182           -c       CVS URL
 183           -g       GIT URL (default)
 184           -s       SVN URL
 185           -x       Trace the script
 186           -h       Help
 187         EOF
 188 }
 189
 190 main() {
 191         local vcs="auto"
 192         while [[ $# -gt 0 ]] ; do
 193                 case $1 in
 194                 -c) vcs="cvs";;
 195                 -s) vcs="svn";;
 196                 -g) vcs="git";;
 197                 -x) set -x;;
 198                 -h) usage;;
 199                 --) shift; break;;
 200                 -*) usage;;
 201                 *)  break;;
 202                 esac
 203                 shift
 204         done
 205
 206         if [[ ${vcs} == "auto" ]] ; then
 207                 if [[ -d CVS ]] ; then
 208                         vcs="cvs"
 209                 elif svn info >&/dev/null ; then
 210                         vcs="svn"
 211                 else
 212                         vcs="git"
 213                 fi
 214         fi
 215
 216         case ${vcs} in
 217         cvs) cvs_url "$@";;
 218         git) git_url "$@";;
 219         svn) svn_url "$@";;
 220         esac
 221 }
 222 main "$@"