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Introduce using a LAN mirror for retrieving tarballs.
/trunk/scripts/functions | 40 36 4 0 ++++++++++++- /trunk/config/global/download.in | 146 115 31 0 ++++++++++++++++++++++++++++++++++++---------- 2 files changed, 151 insertions(+), 35 deletions(-)
This commit is contained in:
Yann E. MORIN"
parent
def4ca3905
commit
2f6bd7b794
@ -11,51 +11,99 @@ config FORCE_DOWNLOAD
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Usefull if you suspect a tarball to be damaged.
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config ONLY_DOWNLOAD
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menuconfig USE_LAN_MIRROR
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bool
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prompt "Stop after downloading tarballs"
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prompt "Use LAN mirror"
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default n
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help
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Only download the tarballs. Exit once it done.
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If you have a machine on your LAN that mirrors some of the needed
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tarballs, you can say 'Y' here, and configure adequate values in
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the following options.
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Usefull to pre-retrieve the tarballs before going off-line.
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Tarballs will be be preferably fetched from the LAN mirror, and if
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not found there, standard places will be searched for.
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config CONNECT_TIMEOUT
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int
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prompt "connection timeout"
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default 10
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if USE_LAN_MIRROR
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choice
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bool
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prompt "Server type:"
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config LAN_MIRROR_HTTP
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bool
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prompt "http"
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config LAN_MIRROR_FTP
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bool
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prompt "ftp"
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endchoice # Server type
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config LAN_MIRROR_SCHEME
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string
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default "http" if LAN_MIRROR_HTTP
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default "ftp" if LAN_MIRROR_FTP
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config LAN_MIRROR_HOSTNAME
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string
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prompt "hostname"
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depends on EXPERIMENTAL
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default "localhost"
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help
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From the curl manual:
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Maximum time in seconds that you allow the connection to the server to take.
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Enter here the hostname on your LAN mirror.
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The scenario is as follows;
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- some enterprise networks have firewalls that prohibit FTP traffic, while
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still allowing HTTP
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- most download sites have http:// equivalent for the ftp:// URL
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- after this number of seconds, it is considered that the connection could
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not be established, and the next URL in the list is tried, until we reach
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an URL that will go through the firewall, most probably an http:// URL.
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config LAN_MIRROR_PATTERNS
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string
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prompt "locations patterns (READ HELP!)"
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default "/downloads /downloads/%pkg /downloads/%pkg/%ver /downloads/%pkg-%ver"
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help
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A space-separated list of patterns to find the tarballs on the
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LAN mirror.
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If you have a slow network, you'd better set this value higher than the default
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10s. If you know a firewall is blocking connections, but your network is globally
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fast, you can try to lower this value to jump more quickly to allowed URLs. YMMV.
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You can use the following 'variables', and they'll get replaced by
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adequate values:
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%pkg : name of the package
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%ver : version of the package
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Note that this value applies equally to wget if you have that installed.
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Thus for gcc-4.2.4, %pkg will be replaced with 'gcc', and %ver with
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'4.2.4' (both without quotes). Thus if you entered the default
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pattern: "/downloads/%pkg/ /downloads/%pkg/%ver /downloads/%pkg-%ver"
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the tarball for gcc-4.2.4 would be searched for in:
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/downloads/gcc/
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/downloads/gcc/4.2.4/
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/downloads/gcc-4.2.4/
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Of course, you'd be better off to use a proxy, as offered by the following
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choice of options.
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Of course, if the files on the LAN mirror are really arranged in weird
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ways, entering a list of patterns will be tedious... But see below.
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config LAN_MIRROR_LS_R
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bool
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prompt "Use ls-lr.gz et al."
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default n
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help
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If the tarball was not found at any of the above locations, see if the
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server has a ls-lr.gz (or similar) file, and use that file to see if
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the tarball is listed somewhere in that file.
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Common file names looked for are:
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ls-lrRt.txt (used at ftp.gnu.org)
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find.txt (ditto)
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ls-lR
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endif # USE_LAN_MIRROR
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menuconfig USE_PROXY
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bool
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prompt "Proxy settings"
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default n
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help
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Say 'Y' here if you need to use a proxy to connect to the internet.
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if USE_PROXY
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choice
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bool
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prompt "Proxy type"
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default PROXY_TYPE_NONE
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config PROXY_TYPE_NONE
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bool
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prompt "No proxy"
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help
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Select this option if you have a direct connection to the internet,
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or if you already set the environment adequately.
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config PROXY_TYPE_HTTP
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bool
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@ -173,11 +221,47 @@ endif # USE_SOCKS_PROXY
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endchoice
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endif # Proxy settings
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config PROXY_TYPE
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string
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default "none" if PROXY_TYPE_NONE
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default "none" if ! USE_PROXY
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default "http" if PROXY_TYPE_HTTP
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default "sockssys" if PROXY_TYPE_SOCKS_SYS
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default "socksauto" if PROXY_TYPE_SOCKS_AUTO
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default "socks4" if PROXY_TYPE_SOCKS_4
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default "socks5" if PROXY_TYPE_SOCKS_5
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config CONNECT_TIMEOUT
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int
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prompt "connection timeout"
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default 10
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help
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From the curl manual:
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Maximum time in seconds that you allow the connection to the server to take.
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The scenario is as follows;
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- some enterprise networks have firewalls that prohibit FTP traffic, while
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still allowing HTTP
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- most download sites have http:// equivalent for the ftp:// URL
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- after this number of seconds, it is considered that the connection could
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not be established, and the next URL in the list is tried, until we reach
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an URL that will go through the firewall, most probably an http:// URL.
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If you have a slow network, you'd better set this value higher than the default
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10s. If you know a firewall is blocking connections, but your network is globally
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fast, you can try to lower this value to jump more quickly to allowed URLs. YMMV.
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Note that this value applies equally to wget if you have that installed.
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Of course, you'd be better off to use a proxy, as offered by the previous
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option.
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config ONLY_DOWNLOAD
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bool
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prompt "Stop after downloading tarballs"
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default n
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help
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Only download the tarballs. Exit once it done.
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Usefull to pre-retrieve the tarballs before going off-line.
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@ -361,18 +361,50 @@ CT_GetFile() {
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return 0
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fi
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done
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# Try to download it
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# Not found locally, try from the network
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CT_DoLog EXTRA "Retrieving '${file}' from network"
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# Start with LAN mirror
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if [ "${CT_USE_LAN_MIRROR}" = "y" ]; then
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LAN_URLs=
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for pat in ${CT_LAN_MIRROR_PATTERNS}; do
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# Please note: we just have the file's basename in a single piece.
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# So we have to just try and split it back into name and version... :-(
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pat="${pat//\%pkg/${file%-*}}"
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pat="${pat//\%ver/${file##*-}}"
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LAN_URLs="${LAN_URLs} ${CT_LAN_MIRROR_SCHEME}://${CT_LAN_MIRROR_HOSTNAME}/${pat}"
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done
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for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
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for url in ${LAN_URLs}; do
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CT_DoLog DEBUG "Trying '${url}/${file}${ext}'"
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CT_DoGetFile "${url}/${file}${ext}"
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if [ -f "${file}${ext}" ]; then
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if [ "${CT_SAVE_TARBALLS}" = "y" ]; then
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# No need to test if the file already exists because
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# it does NOT. If it did exist, we'd have been stopped
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# above, when looking for local copies.
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CT_DoLog EXTRA "Saving '${file}' to local storage"
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mv "${file}${ext}" "${CT_LOCAL_TARBALLS_DIR}" |CT_DoLog ALL
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ln -sv "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" "${file}${ext}" |CT_DoLog ALL
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fi
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return 0
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fi
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done
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done
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fi
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# OK, available neither localy, nor from the LAN mirror (if any).
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for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
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# Try all urls in turn
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for url in "$@"; do
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CT_DoLog DEBUG "Trying '${url}/${file}${ext}'"
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CT_DoGetFile "${url}/${file}${ext}"
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if [ -f "${file}${ext}" ]; then
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# No need to test if the file already exists because
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# it does NOT. If it did exist, we'd have been stopped
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# above, when looking for local copies.
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if [ "${CT_SAVE_TARBALLS}" = "y" ]; then
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# No need to test if the file already exists because
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# it does NOT. If it did exist, we'd have been stopped
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# above, when looking for local copies.
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CT_DoLog EXTRA "Saving '${file}' to local storage"
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mv "${file}${ext}" "${CT_LOCAL_TARBALLS_DIR}" |CT_DoLog ALL
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ln -sv "${CT_LOCAL_TARBALLS_DIR}/${file}${ext}" "${file}${ext}" |CT_DoLog ALL
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